commit e4eee1b3b7f85d5a690ef5193337839872ba7014 Author: liuyu65 Date: Mon Oct 26 17:44:44 2026 +0800 first commit diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..73ec0e8 --- /dev/null +++ b/.gitignore @@ -0,0 +1,16 @@ +node_modules/ +dist/ +samples/ +android/build/ +android/app/src/main/assets/www/ +android/keystore/ +*.jks +*.keystore +PhoneViewer-*.apk +*.dwg +*.DWG +.env +.env.* +*.local +.DS_Store +Thumbs.db diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..dba13ed --- /dev/null +++ b/LICENSE @@ -0,0 +1,661 @@ + GNU AFFERO GENERAL PUBLIC LICENSE + Version 3, 19 November 2007 + + Copyright (C) 2007 Free Software Foundation, Inc. + Everyone is permitted to copy and distribute verbatim copies + of this license document, but changing it is not allowed. + + Preamble + + The GNU Affero General Public License is a free, copyleft license for +software and other kinds of works, specifically designed to ensure +cooperation with the community in the case of network server software. + + The licenses for most software and other practical works are designed +to take away your freedom to share and change the works. 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It is safest +to attach them to the start of each source file to most effectively +state the exclusion of warranty; and each file should have at least +the "copyright" line and a pointer to where the full notice is found. + + + Copyright (C) + + This program is free software: you can redistribute it and/or modify + it under the terms of the GNU Affero General Public License as published by + the Free Software Foundation, either version 3 of the License, or + (at your option) any later version. + + This program is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU Affero General Public License for more details. + + You should have received a copy of the GNU Affero General Public License + along with this program. If not, see . + +Also add information on how to contact you by electronic and paper mail. + + If your software can interact with users remotely through a computer +network, you should also make sure that it provides a way for users to +get its source. For example, if your program is a web application, its +interface could display a "Source" link that leads users to an archive +of the code. There are many ways you could offer source, and different +solutions will be better for different programs; see section 13 for the +specific requirements. + + You should also get your employer (if you work as a programmer) or school, +if any, to sign a "copyright disclaimer" for the program, if necessary. +For more information on this, and how to apply and follow the GNU AGPL, see +. diff --git a/README.md b/README.md new file mode 100644 index 0000000..f62c1ce --- /dev/null +++ b/README.md @@ -0,0 +1,36 @@ +# PhoneViewer / 万能看图 + +手机 / 平板上的本地 DWG、PDF、EPUB、FB2、XPS/OXPS、CBZ 和图片浏览器。 + +- DWG 解析：`@node-projects/acad-ts`（MIT），支持模型空间、块、布局、代理图形数据、图层、文字、填充、样条、尺寸等常见 2D 实体。 +- 文档渲染：MuPDF.js。 +- 前端：Vite + TypeScript + Canvas 2D，解析在 Web Worker 中执行。 +- Android：Kotlin WebView 壳，离线内置全部前端资源，支持文件关联、返回键和 PNG 保存。 +- 默认显示第三方代理对象，可在左侧立方体按钮中关闭；DWG 中代理数据本身没有图形时不会产生可见图元。 + +## 开发 + +```bash +npm install +npm run dev +npm run typecheck +npm run build +``` + +## 构建 Android APK + +需要 JDK 17、Android SDK 34 和 Gradle 的 Kotlin 编译器（脚本位于 `E:\AiCodeGitea\ven\AndroidDev`，可在 `scripts/build-apk.mjs` 中调整路径）。 + +签名信息不写入仓库。构建前设置： + +```bash +PHONEVIEWER_KEYSTORE_PASS=your-keystore-password +PHONEVIEWER_KEY_PASS=your-key-password +npm run apk +``` + +`android/keystore/`、测试 DWG、APK、`dist/`、`node_modules/` 均已加入 `.gitignore`。图纸不会上传，解析完全在本地进行。 + +## 许可 + +本项目以 AGPL-3.0-or-later 发布。第三方组件许可见应用内“关于 → 开源组件与许可”。 diff --git a/android/app/src/main/AndroidManifest.xml b/android/app/src/main/AndroidManifest.xml new file mode 100644 index 0000000..72cd519 --- /dev/null +++ b/android/app/src/main/AndroidManifest.xml @@ -0,0 +1,65 @@ + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + + diff --git a/android/app/src/main/java/com/phoneviewer/app/MainActivity.kt b/android/app/src/main/java/com/phoneviewer/app/MainActivity.kt new file mode 100644 index 0000000..9b657dd --- /dev/null +++ b/android/app/src/main/java/com/phoneviewer/app/MainActivity.kt @@ -0,0 +1,396 @@ +package com.phoneviewer.app + +import android.app.Activity +import android.content.Intent +import android.content.pm.ApplicationInfo +import android.graphics.Color +import android.net.Uri +import android.os.Build +import android.os.Bundle +import android.os.Environment +import android.util.Base64 +import android.view.View +import android.view.WindowManager +import android.webkit.JavascriptInterface +import android.webkit.ValueCallback +import android.webkit.WebChromeClient +import android.webkit.WebResourceRequest +import android.webkit.WebResourceResponse +import android.webkit.WebSettings +import android.webkit.WebView +import android.webkit.WebViewClient +import android.widget.Toast +import org.json.JSONObject +import java.io.ByteArrayInputStream +import java.io.File + +class MainActivity : Activity() { + private lateinit var webView: WebView + private var filePathCallback: ValueCallback>? = null + private var pendingOpenUri: Uri? = null + private var pageReady = false + private var lastOpenedUri: Uri? = null + private var lastOpenedName = "file" + private var lastOpenedMime = "application/octet-stream" + + private companion object { + const val APP_HOST = "appassets-v5.androidplatform.net" + const val APP_URL = "https://appassets-v5.androidplatform.net/" + const val FILE_CHOOSER_REQUEST = 1001 + } + + override fun onCreate(savedInstanceState: Bundle?) { + super.onCreate(savedInstanceState) + if (intent?.action == Intent.ACTION_VIEW) { + pendingOpenUri = intent.data + } + window.statusBarColor = Color.parseColor("#0b0e14") + window.navigationBarColor = Color.parseColor("#0b0e14") + window.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON) + if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) { + window.isStatusBarContrastEnforced = false + window.isNavigationBarContrastEnforced = false + } + + webView = WebView(this) + webView.setBackgroundColor(Color.parseColor("#0b0e14")) + webView.overScrollMode = View.OVER_SCROLL_NEVER + webView.isVerticalScrollBarEnabled = false + webView.isHorizontalScrollBarEnabled = false + + webView.settings.apply { + javaScriptEnabled = true + domStorageEnabled = true + databaseEnabled = true + allowFileAccess = false + allowContentAccess = true + loadsImagesAutomatically = true + javaScriptCanOpenWindowsAutomatically = false + mediaPlaybackRequiresUserGesture = false + setSupportZoom(false) + builtInZoomControls = false + displayZoomControls = false + useWideViewPort = true + loadWithOverviewMode = false + textZoom = 100 + mixedContentMode = WebSettings.MIXED_CONTENT_ALWAYS_ALLOW + cacheMode = WebSettings.LOAD_NO_CACHE + } + + if ((applicationInfo.flags and ApplicationInfo.FLAG_DEBUGGABLE) != 0) { + WebView.setWebContentsDebuggingEnabled(true) + } + + webView.addJavascriptInterface(AndroidBridge(), "AndroidViewer") + webView.webViewClient = AssetClient() + webView.webChromeClient = object : WebChromeClient() { + override fun onShowFileChooser( + webView: WebView?, + callback: ValueCallback>?, + params: FileChooserParams? + ): Boolean { + this@MainActivity.filePathCallback?.onReceiveValue(null) + this@MainActivity.filePathCallback = callback + return try { + val intent = Intent(Intent.ACTION_GET_CONTENT).apply { + addCategory(Intent.CATEGORY_OPENABLE) + type = "*/*" + } + startActivityForResult(Intent.createChooser(intent, "选择文件"), FILE_CHOOSER_REQUEST) + true + } catch (_: Exception) { + this@MainActivity.filePathCallback = null + false + } + } + } + + webView.setDownloadListener { url, _, _, _, _ -> + if (url.startsWith("data:")) return@setDownloadListener + try { + startActivity(Intent(Intent.ACTION_VIEW, Uri.parse(url))) + } catch (_: Exception) { + Toast.makeText(this@MainActivity, "无法打开下载链接", Toast.LENGTH_SHORT).show() + } + } + + setContentView(webView) + webView.loadUrl(APP_URL) + } + + override fun onNewIntent(intent: Intent?) { + super.onNewIntent(intent) + setIntent(intent) + if (intent?.action == Intent.ACTION_VIEW) { + pendingOpenUri = intent.data + dispatchPendingFile() + } + } + + private fun dispatchPendingFile() { + if (!pageReady) return + val uri = pendingOpenUri ?: return + pendingOpenUri = null + + var name = uri.lastPathSegment ?: "file" + var mime = contentResolver.getType(uri) ?: mimeFor(name) + try { + contentResolver.query( + uri, + arrayOf(android.provider.OpenableColumns.DISPLAY_NAME), + null, + null, + null + )?.use { cursor -> + if (cursor.moveToFirst()) { + val index = cursor.getColumnIndex(android.provider.OpenableColumns.DISPLAY_NAME) + if (index >= 0) { + name = cursor.getString(index) ?: name + } + } + } + } catch (_: Exception) { + /* use fallback name */ + } + if (!name.contains('.')) { + val ext = when (mime) { + "application/pdf" -> ".pdf" + "application/epub+zip" -> ".epub" + "application/vnd.ms-xpsdocument", "application/oxps" -> ".xps" + "application/vnd.comicbook+zip" -> ".cbz" + "image/png" -> ".png" + "image/jpeg" -> ".jpg" + else -> if (mime == "application/acad" || mime == "image/vnd.dwg") ".dwg" else "" + } + name += ext + mime = mimeFor(name) + } + + lastOpenedUri = uri + lastOpenedName = name + lastOpenedMime = mime + + val quotedUrl = JSONObject.quote("https://$APP_HOST/__opened__/open") + val quotedName = JSONObject.quote(name) + val quotedMime = JSONObject.quote(mime) + val js = """ + (function(){ + fetch($quotedUrl, {cache: 'no-store'}) + .then(function(r){ if(!r.ok) throw new Error('HTTP ' + r.status); return r.blob(); }) + .then(function(b){ + var f = new File([b], $quotedName, {type: $quotedMime}); + if (window.__phoneViewerOpenFile) window.__phoneViewerOpenFile(f); + }) + .catch(function(e){ + if (window.AndroidViewer && window.AndroidViewer.showToast) { + window.AndroidViewer.showToast('打开文件失败: ' + e.message); + } + }); + })(); + """.trimIndent() + webView.evaluateJavascript(js, null) + } + + @Deprecated("Deprecated in Java") + override fun onActivityResult(requestCode: Int, resultCode: Int, data: Intent?) { + if (requestCode == FILE_CHOOSER_REQUEST) { + val callback = filePathCallback + filePathCallback = null + if (callback == null) return + if (resultCode == RESULT_OK && data?.data != null) { + callback.onReceiveValue(arrayOf(data.data!!)) + } else { + callback.onReceiveValue(null) + } + return + } + super.onActivityResult(requestCode, resultCode, data) + } + + @Deprecated("Deprecated in Java") + override fun onBackPressed() { + webView.evaluateJavascript( + "(function(){try{return !!(window.__phoneViewerBack&&window.__phoneViewerBack());}catch(e){return false;}})()" + ) { result -> + if (result != "true") finish() + } + } + + override fun onPause() { + webView.onPause() + super.onPause() + } + + override fun onResume() { + super.onResume() + webView.onResume() + } + + override fun onDestroy() { + webView.removeJavascriptInterface("AndroidViewer") + webView.stopLoading() + webView.destroy() + super.onDestroy() + } + + inner class AndroidBridge { + @JavascriptInterface + fun saveBase64(name: String, mime: String, data: String) { + try { + val bytes = Base64.decode(data, Base64.DEFAULT) + val extension = when (mime) { + "image/png" -> ".png" + "image/jpeg" -> ".jpg" + else -> "" + } + val safeName = name.replace(Regex("[\\\\/:*?\"<>|]+"), "_").let { + if (it.contains('.')) it else it + extension + } + val dir = getExternalFilesDir(Environment.DIRECTORY_DOWNLOADS) ?: filesDir + if (!dir.exists()) dir.mkdirs() + val file = File(dir, safeName) + file.writeBytes(bytes) + runOnUiThread { + Toast.makeText( + this@MainActivity, + "已保存：${file.absolutePath}", + Toast.LENGTH_LONG + ).show() + } + } catch (error: Exception) { + runOnUiThread { + Toast.makeText( + this@MainActivity, + "保存失败：${error.message}", + Toast.LENGTH_LONG + ).show() + } + } + } + + @JavascriptInterface + fun showToast(message: String) { + runOnUiThread { + Toast.makeText(this@MainActivity, message, Toast.LENGTH_SHORT).show() + } + } + } + + inner class AssetClient : WebViewClient() { + override fun shouldInterceptRequest( + view: WebView?, + request: WebResourceRequest? + ): WebResourceResponse? { + val uri = request?.url ?: return null + if (!APP_HOST.equals(uri.host, ignoreCase = true)) return null + + var path = uri.path ?: "/" + if (path.isEmpty() || path == "/") path = "/index.html" + if (path == "/__opened__/open") return openPendingFile() + if (path.contains("..")) return notFound() + + return try { + val stream = assets.open("www$path") + val mime = mimeFor(path) + WebResourceResponse( + mime, + if (isTextMime(mime)) "UTF-8" else null, + 200, + "OK", + mapOf( + "Access-Control-Allow-Origin" to "*", + "Cache-Control" to "no-store, no-cache, must-revalidate", + "Pragma" to "no-cache", + "Expires" to "0" + ), + stream + ) + } catch (_: Exception) { + notFound() + } + } + + override fun shouldOverrideUrlLoading( + view: WebView?, + request: WebResourceRequest? + ): Boolean { + val url = request?.url ?: return false + if (APP_HOST.equals(url.host, ignoreCase = true)) return false + return try { + startActivity(Intent(Intent.ACTION_VIEW, url)) + true + } catch (_: Exception) { + true + } + } + + override fun onPageFinished(view: WebView?, url: String?) { + super.onPageFinished(view, url) + pageReady = true + dispatchPendingFile() + } + } + + private fun openPendingFile(): WebResourceResponse { + val uri = lastOpenedUri ?: return notFound() + return try { + val stream = contentResolver.openInputStream(uri) ?: return notFound() + WebResourceResponse( + lastOpenedMime, + null, + 200, + "OK", + mapOf( + "Access-Control-Allow-Origin" to "*", + "Cache-Control" to "no-store" + ), + stream + ) + } catch (_: Exception) { + notFound() + } + } + + private fun notFound(): WebResourceResponse = + WebResourceResponse( + "text/plain", + "UTF-8", + 404, + "Not Found", + mapOf("Cache-Control" to "no-store, no-cache, must-revalidate"), + ByteArrayInputStream(ByteArray(0)) + ) + + private fun isTextMime(mime: String): Boolean = + mime.startsWith("text/") || + mime == "application/javascript" || + mime == "application/json" || + mime == "image/svg+xml" + + private fun mimeFor(path: String): String { + val ext = path.substringAfterLast('.', "").lowercase() + return when (ext) { + "html", "htm" -> "text/html" + "js", "mjs" -> "application/javascript" + "css" -> "text/css" + "json", "webmanifest" -> "application/json" + "wasm" -> "application/wasm" + "svg" -> "image/svg+xml" + "png" -> "image/png" + "jpg", "jpeg" -> "image/jpeg" + "gif" -> "image/gif" + "bmp" -> "image/bmp" + "ico" -> "image/x-icon" + "woff" -> "font/woff" + "woff2" -> "font/woff2" + "ttf" -> "font/ttf" + "pdf" -> "application/pdf" + "epub" -> "application/epub+zip" + "dwg" -> "application/acad" + "cbz" -> "application/vnd.comicbook+zip" + "xps" -> "application/vnd.ms-xpsdocument" + "txt" -> "text/plain" + else -> "application/octet-stream" + } + } +} diff --git a/android/app/src/main/res/drawable/ic_launcher.png b/android/app/src/main/res/drawable/ic_launcher.png new file mode 100644 index 0000000..3777e72 Binary files /dev/null and b/android/app/src/main/res/drawable/ic_launcher.png differ diff --git a/android/app/src/main/res/values/strings.xml b/android/app/src/main/res/values/strings.xml new file mode 100644 index 0000000..94bea7b --- /dev/null +++ b/android/app/src/main/res/values/strings.xml @@ -0,0 +1,4 @@ + + + 万能看图 + diff --git a/index.html b/index.html new file mode 100644 index 0000000..474e7de --- /dev/null +++ b/index.html @@ -0,0 +1,26 @@ + + + + + + + + + + + + + + 万能看图 · DWG/PDF 浏览器 + + +
+
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function(){if(t.preInit)for("function"==typeof t.preInit&&(t.preInit=[t.preInit]);t.preInit.length>0;)t.preInit.shift()()}(),function _(){function e(){t.calledRun=!0,$||(A=!0,r_.x(),a(t),t.onRuntimeInitialized?.(),function(){if(t.postRun)for("function"==typeof t.postRun&&(t.postRun=[t.postRun]);t.postRun.length;)L(t.postRun.shift());B(q)}())}C>0?S=_:(function(){if(t.preRun)for("function"==typeof t.preRun&&(t.preRun=[t.preRun]);t.preRun.length;)H(t.preRun.shift());B(z)}(),C>0?S=_:t.setStatus?(t.setStatus("Running..."),setTimeout(()=>{setTimeout(()=>t.setStatus(""),1),e()},1)):e())}(),s};export default _; \ No newline at end of file diff --git a/public/vendor/mupdf/mupdf-wasm.wasm b/public/vendor/mupdf/mupdf-wasm.wasm new file mode 100644 index 0000000..8288739 Binary files /dev/null and b/public/vendor/mupdf/mupdf-wasm.wasm differ diff --git a/public/vendor/mupdf/mupdf.js b/public/vendor/mupdf/mupdf.js new file mode 100644 index 0000000..849fee6 --- /dev/null +++ b/public/vendor/mupdf/mupdf.js @@ -0,0 +1,3317 @@ +// Copyright (C) 2004-2026 Artifex Software, Inc. +// +// This file is part of MuPDF WASM Library. +// +// MuPDF is free software: you can redistribute it and/or modify it under the +// terms of the GNU Affero General Public License as published by the Free +// Software Foundation, either version 3 of the License, or (at your option) +// any later version. +// +// MuPDF is distributed in the hope that it will be useful, but WITHOUT ANY +// WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS +// FOR A PARTICULAR PURPOSE. See the GNU Affero General Public License for more +// details. +// +// You should have received a copy of the GNU Affero General Public License +// along with MuPDF. If not, see +// +// Alternative licensing terms are available from the licensor. +// For commercial licensing, see or contact +// Artifex Software, Inc., 39 Mesa Street, Suite 108A, San Francisco, +// CA 94129, USA, for further information. +"use strict"; +import libmupdf_wasm from "./mupdf-wasm.js"; +var node_fs = null; +if (typeof process !== "undefined" && process.versions && process.versions.node) + node_fs = await import("node:fs"); +const libmupdf = await libmupdf_wasm(globalThis["$libmupdf_wasm_Module"]); +libmupdf._wasm_init_context(); +function Malloc(size) { + return libmupdf._wasm_malloc(size); +} +function Free(ptr) { + libmupdf._wasm_free(ptr); +} +export const memento = { + listBlocks() { + libmupdf._wasm_Memento_listBlocks(); + }, + checkAllMemory() { + libmupdf._wasm_Memento_checkAllMemory(); + }, +}; +export const Matrix = { + identity: [1, 0, 0, 1, 0, 0], + scale(sx, sy) { + return [sx, 0, 0, sy, 0, 0]; + }, + translate(tx, ty) { + return [1, 0, 0, 1, tx, ty]; + }, + rotate(d) { + while (d < 0) + d += 360; + while (d >= 360) + d -= 360; + let s = Math.sin((d * Math.PI) / 180); + let c = Math.cos((d * Math.PI) / 180); + return [c, s, -s, c, 0, 0]; + }, + invert(m) { + checkMatrix(m); + let det = m[0] * m[3] - m[1] * m[2]; + if (det > -1e-23 && det < 1e-23) + return m; + let rdet = 1 / det; + let inva = m[3] * rdet; + let invb = -m[1] * rdet; + let invc = -m[2] * rdet; + let invd = m[0] * rdet; + let inve = -m[4] * inva - m[5] * invc; + let invf = -m[4] * invb - m[5] * invd; + return [inva, invb, invc, invd, inve, invf]; + }, + concat(one, two) { + checkMatrix(one); + checkMatrix(two); + return [ + one[0] * two[0] + one[1] * two[2], + one[0] * two[1] + one[1] * two[3], + one[2] * two[0] + one[3] * two[2], + one[2] * two[1] + one[3] * two[3], + one[4] * two[0] + one[5] * two[2] + two[4], + one[4] * two[1] + one[5] * two[3] + two[5], + ]; + }, +}; +export const Rect = { + MIN_INF_RECT: 0x80000000, + MAX_INF_RECT: 0x7fffff80, + empty: [0x80000000, 0x80000000, 0x7fffff80, 0x7fffff80], + invalid: [0, 0, -1, -1], + infinite: [0x7fffff80, 0x7fffff80, 0x80000000, 0x80000000], + isEmpty: function (rect) { + checkRect(rect); + return rect[0] >= rect[2] || rect[1] >= rect[3]; + }, + isValid: function (rect) { + checkRect(rect); + return rect[0] <= rect[2] && rect[1] <= rect[3]; + }, + isInfinite: function (rect) { + checkRect(rect); + return (rect[0] === Rect.MAX_INF_RECT && + rect[1] === Rect.MAX_INF_RECT && + rect[2] === Rect.MIN_INF_RECT && + rect[3] === Rect.MIN_INF_RECT); + }, + transform: function (rect, matrix) { + checkRect(rect); + checkMatrix(matrix); + var t; + if (Rect.isInfinite(rect)) + return rect; + if (!Rect.isValid(rect)) + return rect; + var ax0 = rect[0] * matrix[0]; + var ax1 = rect[2] * matrix[0]; + if (ax0 > ax1) + t = ax0, ax0 = ax1, ax1 = t; + var cy0 = rect[1] * matrix[2]; + var cy1 = rect[3] * matrix[2]; + if (cy0 > cy1) + t = cy0, cy0 = cy1, cy1 = t; + ax0 += cy0 + matrix[4]; + ax1 += cy1 + matrix[4]; + var bx0 = rect[0] * matrix[1]; + var bx1 = rect[2] * matrix[1]; + if (bx0 > bx1) + t = bx0, bx0 = bx1, bx1 = t; + var dy0 = rect[1] * matrix[3]; + var dy1 = rect[3] * matrix[3]; + if (dy0 > dy1) + t = dy0, dy0 = dy1, dy1 = t; + bx0 += dy0 + matrix[5]; + bx1 += dy1 + matrix[5]; + return [ax0, bx0, ax1, bx1]; + }, +}; +export function enableICC() { + libmupdf._wasm_enable_icc(); +} +export function disableICC() { + libmupdf._wasm_disable_icc(); +} +export function setUserCSS(text) { + libmupdf._wasm_set_user_css(STRING(text)); +} +export function emptyStore() { + libmupdf._wasm_empty_store(); +} +export function shrinkStore(percent) { + return libmupdf._wasm_shrink_store(percent); +} +export function installLoadFontFunction(f) { + $libmupdf_load_font_file_js = f; +} +var $libmupdf_log = null; +globalThis.$libmupdf_log_error = function (message) { + $libmupdf_log?.error?.(fromString(message)); +}; +globalThis.$libmupdf_log_warning = function (message) { + $libmupdf_log?.warning?.(fromString(message)); +}; +export function setLog(log) { + if (typeof log === "function") { + $libmupdf_log = { error: log, warning: log }; + } + else { + $libmupdf_log = log; + } + libmupdf._wasm_enable_log_callback(log !== null); +} +/* -------------------------------------------------------------------------- */ +// To pass Rect and Matrix as pointer arguments +const _wasm_int = Malloc(4); +const _wasm_point = Malloc(4 * 6) >> 2; +const _wasm_rect = Malloc(4 * 8) >> 2; +const _wasm_matrix = Malloc(4 * 6) >> 2; +const _wasm_color = Malloc(4 * 4) >> 2; +const _wasm_quad = Malloc(4 * 8) >> 2; +const _wasm_string = [0, 0]; +function checkType(value, type) { + if (typeof type === "string" && typeof value !== type) + throw new TypeError("expected " + type); + if (typeof type === "function" && !(value instanceof type)) + throw new TypeError("expected " + type.name); +} +function checkPoint(value) { + if (!Array.isArray(value) || value.length !== 2) + throw new TypeError("expected point"); +} +function checkRect(value) { + if (!Array.isArray(value) || value.length !== 4) + throw new TypeError("expected rectangle"); +} +function checkMatrix(value) { + if (!Array.isArray(value) || value.length !== 6) + throw new TypeError("expected matrix"); +} +function checkQuad(value) { + if (!Array.isArray(value) || value.length !== 8) + throw new TypeError("expected quad"); +} +function checkColor(value) { + if (!Array.isArray(value) || (value.length !== 1 && value.length !== 3 && value.length !== 4)) + throw new TypeError("expected color array"); +} +function checkAnnotColor(value) { + if (!Array.isArray(value) || (value.length !== 0 && value.length !== 1 && value.length !== 3 && value.length !== 4)) + throw new TypeError("expected color array"); +} +function BUFFER(input) { + if (input instanceof Buffer) + return input.pointer; + if (input instanceof ArrayBuffer || input instanceof Uint8Array) + return new Buffer(input).pointer; + if (typeof input === "string") + return new Buffer(input).pointer; + throw new TypeError("expected buffer"); +} +function ENUM(value, list) { + if (typeof value === "number") { + if (value >= 0 && value < list.length) + return value; + } + if (typeof value === "string") { + let idx = list.indexOf(value); + if (idx >= 0) + return idx; + } + throw new TypeError(`invalid enum value ("${value}"; expected ${list.join(", ")})`); +} +function allocateUTF8(str) { + var size = libmupdf.lengthBytesUTF8(str) + 1; + var pointer = Malloc(size); + libmupdf.stringToUTF8(str, pointer, size); + return pointer; +} +function STRING_N(s, i) { + if (_wasm_string[i]) { + Free(_wasm_string[i]); + _wasm_string[i] = 0; + } + return _wasm_string[i] = allocateUTF8(s); +} +function STRING(s) { + return STRING_N(s, 0); +} +function STRING2(s) { + return STRING_N(s, 1); +} +function STRING_OPT(s) { + return typeof s === "string" ? STRING_N(s, 0) : 0; +} +function STRING2_OPT(s) { + return typeof s === "string" ? STRING_N(s, 1) : 0; +} +function POINT(p) { + libmupdf.HEAPF32[_wasm_point + 0] = p[0]; + libmupdf.HEAPF32[_wasm_point + 1] = p[1]; + return _wasm_point << 2; +} +function POINT2(p) { + libmupdf.HEAPF32[_wasm_point + 2] = p[0]; + libmupdf.HEAPF32[_wasm_point + 3] = p[1]; + return (_wasm_point + 2) << 2; +} +function POINT3(p) { + libmupdf.HEAPF32[_wasm_point + 4] = p[0]; + libmupdf.HEAPF32[_wasm_point + 5] = p[1]; + return (_wasm_point + 4) << 2; +} +function RECT(r) { + libmupdf.HEAPF32[_wasm_rect + 0] = r[0]; + libmupdf.HEAPF32[_wasm_rect + 1] = r[1]; + libmupdf.HEAPF32[_wasm_rect + 2] = r[2]; + libmupdf.HEAPF32[_wasm_rect + 3] = r[3]; + return _wasm_rect << 2; +} +function RECT2(r) { + libmupdf.HEAPF32[_wasm_rect + 4] = r[0]; + libmupdf.HEAPF32[_wasm_rect + 5] = r[1]; + libmupdf.HEAPF32[_wasm_rect + 6] = r[2]; + libmupdf.HEAPF32[_wasm_rect + 7] = r[3]; + return (_wasm_rect + 4) << 2; +} +function MATRIX(m) { + libmupdf.HEAPF32[_wasm_matrix + 0] = m[0]; + libmupdf.HEAPF32[_wasm_matrix + 1] = m[1]; + libmupdf.HEAPF32[_wasm_matrix + 2] = m[2]; + libmupdf.HEAPF32[_wasm_matrix + 3] = m[3]; + libmupdf.HEAPF32[_wasm_matrix + 4] = m[4]; + libmupdf.HEAPF32[_wasm_matrix + 5] = m[5]; + return _wasm_matrix << 2; +} +function QUAD(q) { + libmupdf.HEAPF32[_wasm_quad + 0] = q[0]; + libmupdf.HEAPF32[_wasm_quad + 1] = q[1]; + libmupdf.HEAPF32[_wasm_quad + 2] = q[2]; + libmupdf.HEAPF32[_wasm_quad + 3] = q[3]; + libmupdf.HEAPF32[_wasm_quad + 4] = q[4]; + libmupdf.HEAPF32[_wasm_quad + 5] = q[5]; + libmupdf.HEAPF32[_wasm_quad + 6] = q[6]; + libmupdf.HEAPF32[_wasm_quad + 7] = q[7]; + return _wasm_quad << 2; +} +function COLOR(c) { + if (typeof c !== "undefined") { + switch (c.length) { + case 0: + break; + case 1: + libmupdf.HEAPF32[_wasm_color + 0] = c[0]; + break; + case 3: + libmupdf.HEAPF32[_wasm_color + 0] = c[0]; + libmupdf.HEAPF32[_wasm_color + 1] = c[1]; + libmupdf.HEAPF32[_wasm_color + 2] = c[2]; + break; + case 4: + libmupdf.HEAPF32[_wasm_color + 0] = c[0]; + libmupdf.HEAPF32[_wasm_color + 1] = c[1]; + libmupdf.HEAPF32[_wasm_color + 2] = c[2]; + libmupdf.HEAPF32[_wasm_color + 3] = c[3]; + break; + } + } + return _wasm_color << 2; +} +function ensureOptions(value) { + if (value === (void 0) || value === null) + return ""; + if (typeof value === "string") + return value; + return JSON.stringify(value); +} +/* -------------------------------------------------------------------------- */ +function fromColor(n) { + if (n === 1) + return [ + libmupdf.HEAPF32[_wasm_color] + ]; + if (n === 3) + return [ + libmupdf.HEAPF32[_wasm_color + 0], + libmupdf.HEAPF32[_wasm_color + 1], + libmupdf.HEAPF32[_wasm_color + 2], + ]; + if (n === 4) + return [ + libmupdf.HEAPF32[_wasm_color + 0], + libmupdf.HEAPF32[_wasm_color + 1], + libmupdf.HEAPF32[_wasm_color + 2], + libmupdf.HEAPF32[_wasm_color + 3], + ]; + throw new TypeError("invalid number of components for Color: " + n); +} +function fromAnnotColor(n) { + if (n === 0) + return []; + return fromColor(n); +} +function fromColorArray(n, ptr) { + let addr = ptr >> 2; + let color = []; + for (let i = 0; i < n; ++i) + color.push(libmupdf.HEAPF32[addr + i]); + return color; +} +function fromStringOrNull(ptr) { + if (ptr === 0) + return null; + return libmupdf.UTF8ToString(ptr); +} +function fromString(ptr) { + return libmupdf.UTF8ToString(ptr); +} +function fromStringFree(ptr) { + let str = libmupdf.UTF8ToString(ptr); + Free(ptr); + return str; +} +function fromPoint(ptr) { + let addr = ptr >> 2; + return [ + libmupdf.HEAPF32[addr + 0], + libmupdf.HEAPF32[addr + 1], + ]; +} +function fromRect(ptr) { + let addr = ptr >> 2; + return [ + libmupdf.HEAPF32[addr + 0], + libmupdf.HEAPF32[addr + 1], + libmupdf.HEAPF32[addr + 2], + libmupdf.HEAPF32[addr + 3], + ]; +} +function fromMatrix(ptr) { + let addr = ptr >> 2; + return [ + libmupdf.HEAPF32[addr + 0], + libmupdf.HEAPF32[addr + 1], + libmupdf.HEAPF32[addr + 2], + libmupdf.HEAPF32[addr + 3], + libmupdf.HEAPF32[addr + 4], + libmupdf.HEAPF32[addr + 5], + ]; +} +function fromQuad(ptr) { + let addr = ptr >> 2; + return [ + libmupdf.HEAPF32[addr + 0], + libmupdf.HEAPF32[addr + 1], + libmupdf.HEAPF32[addr + 2], + libmupdf.HEAPF32[addr + 3], + libmupdf.HEAPF32[addr + 4], + libmupdf.HEAPF32[addr + 5], + libmupdf.HEAPF32[addr + 6], + libmupdf.HEAPF32[addr + 7], + ]; +} +function fromBuffer(ptr) { + let data = libmupdf._wasm_buffer_get_data(ptr); + let size = libmupdf._wasm_buffer_get_len(ptr); + return libmupdf.HEAPU8.slice(data, data + size); +} +function fromLayerConfigUIInfo(ptr) { + return { + text: libmupdf._wasm_pdf_layer_config_ui_get_text(ptr), + depth: libmupdf._wasm_pdf_layer_config_ui_get_depth(ptr), + type: libmupdf._wasm_pdf_layer_config_ui_get_type(ptr), + selected: libmupdf._wasm_pdf_layer_config_ui_get_selected(ptr), + locked: libmupdf._wasm_pdf_layer_config_ui_get_locked(ptr), + }; +} +/* unused for now +function rgbFromColor(c?: Color): [number, number, number] { + var r = 0, g = 0, b = 0 + if (typeof c !== "undefined") { + switch (c.length) { + case 1: + r = g = b = c[0] + break + case 3: + r = c[0] + g = c[1] + b = c[2] + break + case 4: + r = 1 - Math.min(1, c[0] + c[3]) + g = 1 - Math.min(1, c[1] + c[3]) + b = 1 - Math.min(1, c[2] + c[3]) + break + } + } + return [ r, g, b ] +} + +function numberFromColor(c?: Color): number { + var [ r, g, b ] = rgbFromColor(c) + return (255 << 24) | (r << 16) | (g << 8) | b +} +*/ +function colorFromNumber(argb) { + var r = (argb >> 16) & 255; + var g = (argb >> 8) & 255; + var b = (argb) & 255; + return [r / 255, g / 255, b / 255]; +} +function runSearch(searchFun, haystack, needle, options) { + const max_hits = 500; + checkType(needle, "string"); + options = ensureOptions(options); + let hits = 0; + let marks = 0; + try { + hits = Malloc(32 * max_hits); + marks = Malloc(4 * max_hits); + let n = searchFun(haystack, STRING(needle), marks, hits, max_hits, STRING2(options)); + let outer = []; + if (n > 0) { + let inner = []; + for (let i = 0; i < n; ++i) { + let mark = libmupdf.HEAP32[(marks >> 2) + i]; + let quad = fromQuad(hits + i * 32); + if (i > 0 && mark) { + outer.push(inner); + inner = []; + } + inner.push(quad); + } + outer.push(inner); + } + return outer; + } + finally { + Free(marks); + Free(hits); + } +} +/* -------------------------------------------------------------------------- */ +class Userdata { + constructor(pointer) { + if (typeof pointer !== "number") + throw new Error("invalid pointer: " + typeof pointer); + if (pointer !== 0) { + let ctor = this.constructor; + if (!ctor._finalizer) + ctor._finalizer = new FinalizationRegistry(ctor._drop); + ctor._finalizer.register(this, pointer, this); + } + this.pointer = pointer; + } + destroy() { + if (this.pointer !== 0) { + let ctor = this.constructor; + ctor._finalizer.unregister(this); + ctor._drop(this.pointer); + } + this.pointer = 0; + } + // Custom "console.log" formatting for Node + [Symbol.for("nodejs.util.inspect.custom")]() { + return this.toString(); + } + toString() { + return `[${this.constructor.name} ${this.pointer}]`; + } + valueOf() { + throw new Error("cannot convert Userdata to Javascript value"); + } +} +export class Buffer extends Userdata { + constructor(arg) { + if (typeof arg === "undefined") + super(libmupdf._wasm_new_buffer(1024)); + else if (typeof arg === "number") + super(arg); + else if (typeof arg === "string") { + let data_len = libmupdf.lengthBytesUTF8(arg); + let data_ptr = Malloc(data_len + 1); + libmupdf.stringToUTF8(arg, data_ptr, data_len + 1); + super(libmupdf._wasm_new_buffer_from_data(data_ptr, data_len)); + } + else if (arg instanceof ArrayBuffer || arg instanceof Uint8Array) { + let data_len = arg.byteLength; + let data_ptr = Malloc(data_len); + libmupdf.HEAPU8.set(new Uint8Array(arg), data_ptr); + super(libmupdf._wasm_new_buffer_from_data(data_ptr, data_len)); + } + } + get length() { + return this.getLength(); + } + set length(_) { + throw new TypeError("buffer length is read-only"); + } + getLength() { + return libmupdf._wasm_buffer_get_len(this.pointer); + } + readByte(at) { + let data = libmupdf._wasm_buffer_get_data(this.pointer); + return libmupdf.HEAPU8[data + at]; + } + write(s) { + libmupdf._wasm_append_string(this.pointer, STRING(s)); + } + writeByte(b) { + libmupdf._wasm_append_byte(this.pointer, b); + } + writeLine(s) { + this.write(s); + this.writeByte(10); + } + writeBuffer(other) { + libmupdf._wasm_append_buffer(this.pointer, BUFFER(other)); + } + asUint8Array() { + let data = libmupdf._wasm_buffer_get_data(this.pointer); + let size = libmupdf._wasm_buffer_get_len(this.pointer); + return libmupdf.HEAPU8.subarray(data, data + size); + } + slice(start, end) { + if (typeof end === "undefined") + end = this.getLength(); + return new Buffer(libmupdf._wasm_slice_buffer(this.pointer, start, end)); + } + asString() { + return fromString(libmupdf._wasm_string_from_buffer(this.pointer)); + } + save(filename) { + if (node_fs) + node_fs.writeFileSync(filename, this.asUint8Array()); + else + throw new Error("missing 'fs' module"); + } +} +Buffer._drop = libmupdf._wasm_drop_buffer; +export class ColorSpace extends Userdata { + constructor(from, name) { + if (typeof from === "number") { + super(from); + } + else { + if (typeof from === "string") { + if (node_fs) + from = node_fs.readFileSync(from); + else + throw new Error("missing 'fs' module"); + } + super(libmupdf._wasm_new_icc_colorspace(STRING_OPT(name), BUFFER(from))); + } + } + getName() { + return fromString(libmupdf._wasm_colorspace_get_name(this.pointer)); + } + getType() { + return ColorSpace.COLORSPACE_TYPES[libmupdf._wasm_colorspace_get_type(this.pointer)] || "None"; + } + getNumberOfComponents() { + return libmupdf._wasm_colorspace_get_n(this.pointer); + } + isGray() { return this.getType() === "Gray"; } + isRGB() { return this.getType() === "RGB"; } + isCMYK() { return this.getType() === "CMYK"; } + isIndexed() { return this.getType() === "Indexed"; } + isLab() { return this.getType() === "Lab"; } + isDeviceN() { return this.getType() === "Separation"; } + isSubtractive() { return this.getType() === "CMYK" || this.getType() === "Separation"; } + toString() { + return "[ColorSpace " + this.getName() + "]"; + } +} +ColorSpace._drop = libmupdf._wasm_drop_colorspace; +ColorSpace.COLORSPACE_TYPES = [ + "None", + "Gray", + "RGB", + "BGR", + "CMYK", + "Lab", + "Indexed", + "Separation" +]; +ColorSpace.DeviceGray = new ColorSpace(libmupdf._wasm_device_gray()); +ColorSpace.DeviceRGB = new ColorSpace(libmupdf._wasm_device_rgb()); +ColorSpace.DeviceBGR = new ColorSpace(libmupdf._wasm_device_bgr()); +ColorSpace.DeviceCMYK = new ColorSpace(libmupdf._wasm_device_cmyk()); +ColorSpace.Lab = new ColorSpace(libmupdf._wasm_device_lab()); +export class Font extends Userdata { + constructor(name_or_pointer, data, subfont = 0) { + let pointer = 0; + if (typeof name_or_pointer === "number") { + pointer = libmupdf._wasm_keep_font(name_or_pointer); + } + else { + if (typeof data === "string") { + if (node_fs) + data = node_fs.readFileSync(data); + else + throw new Error("missing 'fs' module"); + } + if (data) + pointer = libmupdf._wasm_new_font_from_buffer(STRING(name_or_pointer), BUFFER(data), subfont); + else if (name_or_pointer === "zh-Hant") + pointer = libmupdf._wasm_new_cjk_font(Font.ADOBE_CNS); + else if (name_or_pointer === "zh-Hans") + pointer = libmupdf._wasm_new_cjk_font(Font.ADOBE_GB); + else if (name_or_pointer === "ja") + pointer = libmupdf._wasm_new_cjk_font(Font.ADOBE_JAPAN); + else if (name_or_pointer === "ko") + pointer = libmupdf._wasm_new_cjk_font(Font.ADOBE_KOREA); + else + pointer = libmupdf._wasm_new_base14_font(STRING(name_or_pointer)); + } + super(pointer); + } + getName() { + return fromString(libmupdf._wasm_font_get_name(this.pointer)); + } + encodeCharacter(uni) { + if (typeof uni === "string") + uni = uni.charCodeAt(0); + return libmupdf._wasm_encode_character(this.pointer, uni); + } + advanceGlyph(gid, wmode = 0) { + return libmupdf._wasm_advance_glyph(this.pointer, gid, wmode); + } + isMono() { + return !!libmupdf._wasm_font_is_monospaced(this.pointer); + } + isSerif() { + return !!libmupdf._wasm_font_is_serif(this.pointer); + } + isBold() { + return !!libmupdf._wasm_font_is_bold(this.pointer); + } + isItalic() { + return !!libmupdf._wasm_font_is_italic(this.pointer); + } +} +Font._drop = libmupdf._wasm_drop_font; +Font.SIMPLE_ENCODING = [ + "Latin", + "Greek", + "Cyrillic" +]; +Font.SIMPLE_ENCODING_LATIN = "Latin"; +Font.SIMPLE_ENCODING_GREEK = "Greek"; +Font.SIMPLE_ENCODING_CYRILLIC = "Cyrillic"; +Font.ADOBE_CNS = 0; +Font.ADOBE_GB = 1; +Font.ADOBE_JAPAN = 2; +Font.ADOBE_KOREA = 3; +Font.CJK_ORDERING_BY_LANG = { + "Adobe-CNS1": 0, + "Adobe-GB1": 1, + "Adobe-Japan1": 2, + "Adobe-Korea1": 3, + "zh-Hant": 0, + "zh-TW": 0, + "zh-HK": 0, + "zh-Hans": 1, + "zh-CN": 1, + "ja": 2, + "ko": 3, +}; +export class Image extends Userdata { + constructor(data, mask) { + let pointer = 0; + if (typeof data === "number") { + pointer = libmupdf._wasm_keep_image(data); + } + else if (data instanceof Pixmap) { + pointer = libmupdf._wasm_new_image_from_pixmap(data.pointer, mask ? mask.pointer : 0); + } + else { + if (typeof data === "string") { + if (node_fs) + data = node_fs.readFileSync(data); + else + throw new Error("missing 'fs' module"); + } + pointer = libmupdf._wasm_new_image_from_buffer(BUFFER(data)); + } + super(pointer); + } + getWidth() { + return libmupdf._wasm_image_get_w(this.pointer); + } + getHeight() { + return libmupdf._wasm_image_get_h(this.pointer); + } + getNumberOfComponents() { + return libmupdf._wasm_image_get_n(this.pointer); + } + getBitsPerComponent() { + return libmupdf._wasm_image_get_bpc(this.pointer); + } + getXResolution() { + return libmupdf._wasm_image_get_xres(this.pointer); + } + getYResolution() { + return libmupdf._wasm_image_get_yres(this.pointer); + } + getImageMask() { + return !!libmupdf._wasm_image_get_imagemask(this.pointer); + } + getColorSpace() { + let cs = libmupdf._wasm_image_get_colorspace(this.pointer); + if (cs) + return new ColorSpace(libmupdf._wasm_keep_colorspace(cs)); + return null; + } + getMask() { + let mask = libmupdf._wasm_image_get_mask(this.pointer); + if (mask) + return new Image(libmupdf._wasm_keep_image(mask)); + return null; + } + toPixmap() { + return new Pixmap(libmupdf._wasm_get_pixmap_from_image(this.pointer)); + } +} +Image._drop = libmupdf._wasm_drop_image; +export class StrokeState extends Userdata { + constructor(data) { + if (typeof data === "number") { + super(data); + return this; + } + super(libmupdf._wasm_new_stroke_state(data?.dashes?.length ?? 0)); + let lineCap = ENUM(data.lineCap, StrokeState.LINE_CAP); + let lineJoin = ENUM(data.lineJoin, StrokeState.LINE_JOIN); + libmupdf._wasm_stroke_state_set_start_cap(this.pointer, lineCap); + libmupdf._wasm_stroke_state_set_dash_cap(this.pointer, lineCap); + libmupdf._wasm_stroke_state_set_end_cap(this.pointer, lineCap); + libmupdf._wasm_stroke_state_set_linejoin(this.pointer, lineJoin); + libmupdf._wasm_stroke_state_set_linewidth(this.pointer, data.lineWidth); + libmupdf._wasm_stroke_state_set_miterlimit(this.pointer, data.miterLimit); + libmupdf._wasm_stroke_state_set_dash_phase(this.pointer, data.dashPhase ?? 0); + if (data.dashes) { + for (let i = 0; i < data.dashes.length; ++i) + libmupdf._wasm_stroke_state_set_dash_item(this.pointer, i, data.dashes[i] ?? 0); + } + } + getLineCap() { + return libmupdf._wasm_stroke_state_get_start_cap(this.pointer); + } + getLineJoin() { + return libmupdf._wasm_stroke_state_get_linejoin(this.pointer); + } + getLineWidth() { + return libmupdf._wasm_stroke_state_get_linewidth(this.pointer); + } + getMiterLimit() { + return libmupdf._wasm_stroke_state_get_miterlimit(this.pointer); + } + getDashPhase() { + return libmupdf._wasm_stroke_state_get_dash_phase(this.pointer); + } + getDashes() { + var n = libmupdf._wasm_stroke_state_get_dash_len(this.pointer); + if (n > 0) { + var out = []; + for (let i = 0; i < n; ++i) + out[i] = libmupdf._wasm_stroke_state_get_dash_item(this.pointer, i); + return out; + } + return null; + } +} +StrokeState._drop = libmupdf._wasm_drop_stroke_state; +StrokeState.LINE_CAP = [ + "Butt", + "Round", + "Square", + "Triangle" +]; +StrokeState.LINE_JOIN = [ + "Miter", + "Round", + "Bevel", + "MiterXPS" +]; +export class Path extends Userdata { + constructor(pointer) { + if (typeof pointer === "number") + super(pointer); + else + super(libmupdf._wasm_new_path()); + } + getBounds(strokeState, transform) { + if (strokeState !== null) + checkType(strokeState, StrokeState); + checkMatrix(transform); + return fromRect(libmupdf._wasm_bound_path(this.pointer, strokeState?.pointer, MATRIX(transform))); + } + moveTo(x, y) { + checkType(x, "number"); + checkType(y, "number"); + libmupdf._wasm_moveto(this.pointer, x, y); + } + lineTo(x, y) { + checkType(x, "number"); + checkType(y, "number"); + libmupdf._wasm_lineto(this.pointer, x, y); + } + curveTo(x1, y1, x2, y2, x3, y3) { + checkType(x1, "number"); + checkType(y1, "number"); + checkType(x2, "number"); + checkType(y2, "number"); + checkType(x3, "number"); + checkType(y3, "number"); + libmupdf._wasm_curveto(this.pointer, x1, y1, x2, y2, x3, y3); + } + curveToV(cx, cy, ex, ey) { + checkType(cx, "number"); + checkType(cy, "number"); + checkType(ex, "number"); + checkType(ey, "number"); + libmupdf._wasm_curvetov(this.pointer, cx, cy, ex, ey); + } + curveToY(cx, cy, ex, ey) { + checkType(cx, "number"); + checkType(cy, "number"); + checkType(ex, "number"); + checkType(ey, "number"); + libmupdf._wasm_curvetoy(this.pointer, cx, cy, ex, ey); + } + closePath() { + libmupdf._wasm_closepath(this.pointer); + } + rect(x1, y1, x2, y2) { + checkType(x1, "number"); + checkType(y1, "number"); + checkType(x2, "number"); + checkType(y2, "number"); + libmupdf._wasm_rectto(this.pointer, x1, y1, x2, y2); + } + transform(matrix) { + checkMatrix(matrix); + libmupdf._wasm_transform_path(this.pointer, MATRIX(matrix)); + } + walk(walker) { + let id = $libmupdf_path_id++; + $libmupdf_path_table.set(id, walker); + libmupdf._wasm_walk_path(this.pointer, id); + $libmupdf_path_table.delete(id); + } +} +Path._drop = libmupdf._wasm_drop_path; +export class Text extends Userdata { + constructor(pointer) { + if (typeof pointer === "number") + super(pointer); + else + super(libmupdf._wasm_new_text()); + } + getBounds(strokeState, transform) { + if (strokeState !== null) + checkType(strokeState, StrokeState); + checkMatrix(transform); + return fromRect(libmupdf._wasm_bound_text(this.pointer, strokeState?.pointer, MATRIX(transform))); + } + showGlyph(font, trm, gid, uni, wmode = 0) { + checkType(font, Font); + checkMatrix(trm); + checkType(gid, "number"); + checkType(uni, "number"); + libmupdf._wasm_show_glyph(this.pointer, font.pointer, MATRIX(trm), gid, uni, wmode); + } + showString(font, trm, str, wmode = 0) { + checkType(font, Font); + checkMatrix(trm); + checkType(str, "string"); + return fromMatrix(libmupdf._wasm_show_string(this.pointer, font.pointer, MATRIX(trm), STRING(str), wmode)); + } + walk(walker) { + let id = $libmupdf_text_id++; + $libmupdf_text_table.set(id, walker); + libmupdf._wasm_walk_text(this.pointer, id); + $libmupdf_text_table.delete(id); + } +} +Text._drop = libmupdf._wasm_drop_text; +export class DisplayList extends Userdata { + constructor(arg1) { + let pointer = 0; + if (typeof arg1 === "number") { + pointer = arg1; + } + else { + checkRect(arg1); + pointer = libmupdf._wasm_new_display_list(RECT(arg1)); + } + super(pointer); + } + getBounds() { + return fromRect(libmupdf._wasm_bound_display_list(this.pointer)); + } + toPixmap(matrix, colorspace, alpha = false) { + checkMatrix(matrix); + checkType(colorspace, ColorSpace); + return new Pixmap(libmupdf._wasm_new_pixmap_from_display_list(this.pointer, MATRIX(matrix), colorspace.pointer, alpha)); + } + toStructuredText(options) { + options = ensureOptions(options); + return new StructuredText(libmupdf._wasm_new_stext_page_from_display_list(this.pointer, STRING(options))); + } + run(device, matrix) { + checkType(device, Device); + checkMatrix(matrix); + libmupdf._wasm_run_display_list(this.pointer, device.pointer, MATRIX(matrix)); + } + search(needle, options) { + return runSearch(libmupdf._wasm_search_display_list, this.pointer, needle, options); + } +} +DisplayList._drop = libmupdf._wasm_drop_display_list; +export class Pixmap extends Userdata { + constructor(arg1, bbox, alpha = false) { + if (typeof arg1 === "number") { + super(arg1); + } + if (arg1 instanceof ColorSpace) { + checkRect(bbox); + super(libmupdf._wasm_new_pixmap_with_bbox(arg1.pointer, RECT(bbox), alpha)); + } + if (arg1 === null) { + checkRect(bbox); + super(libmupdf._wasm_new_pixmap_with_bbox(0, RECT(bbox), alpha)); + } + } + getBounds() { + let x = libmupdf._wasm_pixmap_get_x(this.pointer); + let y = libmupdf._wasm_pixmap_get_y(this.pointer); + let w = libmupdf._wasm_pixmap_get_w(this.pointer); + let h = libmupdf._wasm_pixmap_get_h(this.pointer); + return [x, y, x + w, y + h]; + } + clear(value) { + if (typeof value === "undefined") + libmupdf._wasm_clear_pixmap(this.pointer); + else + libmupdf._wasm_clear_pixmap_with_value(this.pointer, value); + } + getWidth() { + return libmupdf._wasm_pixmap_get_w(this.pointer); + } + getHeight() { + return libmupdf._wasm_pixmap_get_h(this.pointer); + } + getX() { + return libmupdf._wasm_pixmap_get_x(this.pointer); + } + getY() { + return libmupdf._wasm_pixmap_get_y(this.pointer); + } + getStride() { + return libmupdf._wasm_pixmap_get_stride(this.pointer); + } + getNumberOfComponents() { + return libmupdf._wasm_pixmap_get_n(this.pointer); + } + getAlpha() { + return libmupdf._wasm_pixmap_get_alpha(this.pointer); + } + getXResolution() { + return libmupdf._wasm_pixmap_get_xres(this.pointer); + } + getYResolution() { + return libmupdf._wasm_pixmap_get_yres(this.pointer); + } + setResolution(x, y) { + libmupdf._wasm_pixmap_set_xres(this.pointer, x); + libmupdf._wasm_pixmap_set_yres(this.pointer, y); + } + getColorSpace() { + let cs = libmupdf._wasm_pixmap_get_colorspace(this.pointer); + if (cs) + return new ColorSpace(libmupdf._wasm_keep_colorspace(cs)); + return null; + } + getPixels() { + let s = libmupdf._wasm_pixmap_get_stride(this.pointer); + let h = libmupdf._wasm_pixmap_get_h(this.pointer); + let p = libmupdf._wasm_pixmap_get_samples(this.pointer); + return new Uint8ClampedArray(libmupdf.HEAPU8.buffer, p, s * h); + } + asPNG() { + let buf = libmupdf._wasm_new_buffer_from_pixmap_as_png(this.pointer); + try { + return fromBuffer(buf); + } + finally { + libmupdf._wasm_drop_buffer(buf); + } + } + asPSD() { + let buf = libmupdf._wasm_new_buffer_from_pixmap_as_psd(this.pointer); + try { + return fromBuffer(buf); + } + finally { + libmupdf._wasm_drop_buffer(buf); + } + } + asPAM() { + let buf = libmupdf._wasm_new_buffer_from_pixmap_as_pam(this.pointer); + try { + return fromBuffer(buf); + } + finally { + libmupdf._wasm_drop_buffer(buf); + } + } + asJPEG(quality, invert_cmyk = false) { + let buf = libmupdf._wasm_new_buffer_from_pixmap_as_jpeg(this.pointer, quality, invert_cmyk); + try { + return fromBuffer(buf); + } + finally { + libmupdf._wasm_drop_buffer(buf); + } + } + invert() { + libmupdf._wasm_invert_pixmap(this.pointer); + } + invertLuminance() { + libmupdf._wasm_invert_pixmap_luminance(this.pointer); + } + gamma(p) { + libmupdf._wasm_gamma_pixmap(this.pointer, p); + } + tint(black, white) { + let black_hex = 0x000000; + let white_hex = 0xffffff; + if (typeof black === "number") + black_hex = black; + else if (black instanceof Array && black.length === 3) + black_hex = (((black[0] * 255) << 16) | ((black[1] * 255) << 8) | ((black[2] * 255))); + if (typeof white === "number") + white_hex = white; + else if (white instanceof Array && white.length === 3) + white = (((white[0] * 255) << 16) | ((white[1] * 255) << 8) | ((white[2] * 255))); + libmupdf._wasm_tint_pixmap(this.pointer, black_hex, white_hex); + } + convertToColorSpace(colorspace, keepAlpha = false) { + checkType(colorspace, ColorSpace); + checkType(keepAlpha, "boolean"); + return new Pixmap(libmupdf._wasm_convert_pixmap(this.pointer, colorspace.pointer, keepAlpha)); + } + warp(points, width, height) { + let quad = points.flat(); + checkQuad(quad); + checkType(width, "number"); + checkType(height, "number"); + return new Pixmap(libmupdf._wasm_warp_pixmap(this.pointer, QUAD(quad), width, height)); + } +} +Pixmap._drop = libmupdf._wasm_drop_pixmap; +export class Shade extends Userdata { + getBounds() { + return fromRect(libmupdf._wasm_bound_shade(this.pointer)); + } +} +Shade._drop = libmupdf._wasm_drop_shade; +export class StructuredText extends Userdata { + walk(walker) { + let block = libmupdf._wasm_stext_page_get_first_block(this.pointer); + while (block) { + let block_type = libmupdf._wasm_stext_block_get_type(block); + let block_bbox = fromRect(libmupdf._wasm_stext_block_get_bbox(block)); + if (block_type === 0) { + if (walker.beginTextBlock) + walker.beginTextBlock(block_bbox); + let line = libmupdf._wasm_stext_block_get_first_line(block); + while (line) { + let line_bbox = fromRect(libmupdf._wasm_stext_line_get_bbox(line)); + let line_wmode = libmupdf._wasm_stext_line_get_wmode(line); + let line_dir = fromPoint(libmupdf._wasm_stext_line_get_dir(line)); + if (walker.beginLine) + walker.beginLine(line_bbox, line_wmode, line_dir); + if (walker.onChar) { + let ch = libmupdf._wasm_stext_line_get_first_char(line); + while (ch) { + let ch_rune = String.fromCharCode(libmupdf._wasm_stext_char_get_c(ch)); + let ch_origin = fromPoint(libmupdf._wasm_stext_char_get_origin(ch)); + let ch_font = new Font(libmupdf._wasm_stext_char_get_font(ch)); + let ch_size = libmupdf._wasm_stext_char_get_size(ch); + let ch_quad = fromQuad(libmupdf._wasm_stext_char_get_quad(ch)); + let ch_color = colorFromNumber(libmupdf._wasm_stext_char_get_argb(ch)); + let ch_bidi = libmupdf._wasm_stext_char_get_bidi(ch); + walker.onChar(ch_rune, ch_origin, ch_font, ch_size, ch_quad, ch_color, ch_bidi); + ch = libmupdf._wasm_stext_char_get_next(ch); + } + } + if (walker.endLine) + walker.endLine(); + line = libmupdf._wasm_stext_line_get_next(line); + } + if (walker.endTextBlock) + walker.endTextBlock(); + } + else if (block_type === 1) { + /* image */ + if (walker.onImageBlock) { + let matrix = fromMatrix(libmupdf._wasm_stext_block_get_transform(block)); + let image = new Image(libmupdf._wasm_stext_block_get_image(block)); + walker.onImageBlock(block_bbox, matrix, image); + } + } + else if (block_type === 2) { + /* struct */ + } + else if (block_type === 3) { + /* vector */ + if (walker.onVector) { + let v_flags_word = libmupdf._wasm_stext_block_get_v_flags(block); + let v_flags = { + isStroked: !!(v_flags_word & 1), + isRectangle: !!(v_flags_word & 2), + }; + let v_color = colorFromNumber(libmupdf._wasm_stext_block_get_v_argb(block)); + walker.onVector(block_bbox, v_flags, v_color); + } + } + else if (block_type === 4) { + /* grid */ + } + block = libmupdf._wasm_stext_block_get_next(block); + } + } + asJSON(scale = 1) { + return fromStringFree(libmupdf._wasm_print_stext_page_as_json(this.pointer, scale)); + } + asHTML(id) { + return fromStringFree(libmupdf._wasm_print_stext_page_as_html(this.pointer, id)); + } + asText() { + return fromStringFree(libmupdf._wasm_print_stext_page_as_text(this.pointer)); + } + snap(p, q, mode) { + let mm = ENUM(mode, StructuredText.SELECT_MODE); + return fromQuad(libmupdf._wasm_snap_selection(this.pointer, POINT(p), POINT2(q), mm)); + } + copy(p, q) { + return fromStringFree(libmupdf._wasm_copy_selection(this.pointer, POINT(p), POINT2(q))); + } + highlight(p, q, max_hits = 100) { + let hits = 0; + let result = []; + try { + hits = Malloc(32 * max_hits); + let n = libmupdf._wasm_highlight_selection(this.pointer, POINT(p), POINT2(q), hits, max_hits); + for (let i = 0; i < n; ++i) + result.push(fromQuad(hits + i * 32)); + } + finally { + Free(hits); + } + return result; + } + search(needle, options) { + return runSearch(libmupdf._wasm_search_stext_page, this.pointer, needle, options); + } +} +StructuredText._drop = libmupdf._wasm_drop_stext_page; +StructuredText.SELECT_MODE = [ + "chars", + "words", + "lines" +]; +StructuredText.SELECT_CHARS = "chars"; +StructuredText.SELECT_WORDS = "words"; +StructuredText.SELECT_LINES = "lines"; +export class Device extends Userdata { + constructor(pointer_or_callbacks) { + if (typeof pointer_or_callbacks === "number") + super(pointer_or_callbacks); + else { + let id = $libmupdf_device_id++; + $libmupdf_device_table.set(id, pointer_or_callbacks); + super(libmupdf._wasm_new_js_device(id)); + } + } + fillPath(path, evenOdd, ctm, colorspace, color, alpha) { + checkType(path, Path); + checkMatrix(ctm); + checkType(colorspace, ColorSpace); + checkColor(color); + libmupdf._wasm_fill_path(this.pointer, path.pointer, evenOdd, MATRIX(ctm), colorspace.pointer, COLOR(color), alpha); + } + strokePath(path, stroke, ctm, colorspace, color, alpha) { + checkType(path, Path); + checkType(stroke, StrokeState); + checkMatrix(ctm); + checkType(colorspace, ColorSpace); + checkColor(color); + libmupdf._wasm_stroke_path(this.pointer, path.pointer, stroke.pointer, MATRIX(ctm), colorspace.pointer, COLOR(color), alpha); + } + clipPath(path, evenOdd, ctm) { + checkType(path, Path); + checkMatrix(ctm); + libmupdf._wasm_clip_path(this.pointer, path.pointer, evenOdd, MATRIX(ctm)); + } + clipStrokePath(path, stroke, ctm) { + checkType(path, Path); + checkType(stroke, StrokeState); + checkMatrix(ctm); + libmupdf._wasm_clip_stroke_path(this.pointer, path.pointer, stroke.pointer, MATRIX(ctm)); + } + fillText(text, ctm, colorspace, color, alpha) { + checkType(text, Text); + checkMatrix(ctm); + checkType(colorspace, ColorSpace); + checkColor(color); + libmupdf._wasm_fill_text(this.pointer, text.pointer, MATRIX(ctm), colorspace.pointer, COLOR(color), alpha); + } + strokeText(text, stroke, ctm, colorspace, color, alpha) { + checkType(text, Text); + checkType(stroke, StrokeState); + checkMatrix(ctm); + checkType(colorspace, ColorSpace); + checkColor(color); + libmupdf._wasm_stroke_text(this.pointer, text.pointer, stroke.pointer, MATRIX(ctm), colorspace.pointer, COLOR(color), alpha); + } + clipText(text, ctm) { + checkType(text, Text); + checkMatrix(ctm); + libmupdf._wasm_clip_text(this.pointer, text.pointer, MATRIX(ctm)); + } + clipStrokeText(text, stroke, ctm) { + checkType(text, Text); + checkType(stroke, StrokeState); + checkMatrix(ctm); + libmupdf._wasm_clip_stroke_text(this.pointer, text.pointer, stroke.pointer, MATRIX(ctm)); + } + ignoreText(text, ctm) { + checkType(text, Text); + checkMatrix(ctm); + libmupdf._wasm_ignore_text(this.pointer, text.pointer, MATRIX(ctm)); + } + fillShade(shade, ctm, alpha) { + checkType(shade, Shade); + checkMatrix(ctm); + libmupdf._wasm_fill_shade(this.pointer, shade.pointer, MATRIX(ctm), alpha); + } + fillImage(image, ctm, alpha) { + checkType(image, Image); + checkMatrix(ctm); + libmupdf._wasm_fill_image(this.pointer, image.pointer, MATRIX(ctm), alpha); + } + fillImageMask(image, ctm, colorspace, color, alpha) { + checkType(image, Image); + checkMatrix(ctm); + checkType(colorspace, ColorSpace); + checkColor(color); + libmupdf._wasm_fill_image_mask(this.pointer, image.pointer, MATRIX(ctm), colorspace.pointer, COLOR(color), alpha); + } + clipImageMask(image, ctm) { + checkType(image, Image); + checkMatrix(ctm); + libmupdf._wasm_clip_image_mask(this.pointer, image.pointer, MATRIX(ctm)); + } + popClip() { + libmupdf._wasm_pop_clip(this.pointer); + } + beginMask(area, luminosity, colorspace, color) { + checkRect(area); + checkType(colorspace, ColorSpace); + checkColor(color); + libmupdf._wasm_begin_mask(this.pointer, RECT(area), luminosity, colorspace.pointer, COLOR(color)); + } + endMask() { + libmupdf._wasm_end_mask(this.pointer); + } + beginGroup(area, colorspace, isolated, knockout, blendmode, alpha) { + checkRect(area); + checkType(colorspace, ColorSpace); + let blendmode_ix = ENUM(blendmode, Device.BLEND_MODES); + libmupdf._wasm_begin_group(this.pointer, RECT(area), colorspace.pointer, isolated, knockout, blendmode_ix, alpha); + } + endGroup() { + libmupdf._wasm_end_group(this.pointer); + } + beginTile(area, view, xstep, ystep, ctm, id, doc_id) { + checkRect(area); + checkRect(view); + checkMatrix(ctm); + return libmupdf._wasm_begin_tile(this.pointer, RECT(area), RECT2(view), xstep, ystep, MATRIX(ctm), id, doc_id); + } + endTile() { + libmupdf._wasm_end_tile(this.pointer); + } + beginLayer(name) { + libmupdf._wasm_begin_layer(this.pointer, STRING(name)); + } + endLayer() { + libmupdf._wasm_end_layer(this.pointer); + } + close() { + libmupdf._wasm_close_device(this.pointer); + } +} +Device._drop = libmupdf._wasm_drop_device; +Device.BLEND_MODES = [ + "Normal", + "Multiply", + "Screen", + "Overlay", + "Darken", + "Lighten", + "ColorDodge", + "ColorBurn", + "HardLight", + "SoftLight", + "Difference", + "Exclusion", + "Hue", + "Saturation", + "Color", + "Luminosity", +]; +Device.BLEND_NORMAL = "Normal"; +Device.BLEND_MULTIPLY = "Multiply"; +Device.BLEND_SCREEN = "Screen"; +Device.BLEND_OVERLAY = "Overlay"; +Device.BLEND_DARKEN = "Darken"; +Device.BLEND_LIGHTEN = "Lighten"; +Device.BLEND_COLOR_DODGE = "ColorDodge"; +Device.BLEND_COLOR_BURN = "ColorBurn"; +Device.BLEND_HARD_LIGHT = "HardLight"; +Device.BLEND_SOFT_LIGHT = "SoftLight"; +Device.BLEND_DIFFERENCE = "Difference"; +Device.BLEND_EXCLUSION = "Exclusion"; +Device.BLEND_HUE = "Hue"; +Device.BLEND_SATURATION = "Saturation"; +Device.BLEND_COLOR = "Color"; +Device.BLEND_LUMINOSITY = "Luminosity"; +export class DrawDevice extends Device { + constructor(matrix, pixmap) { + checkMatrix(matrix); + checkType(pixmap, Pixmap); + super(libmupdf._wasm_new_draw_device(MATRIX(matrix), pixmap.pointer)); + } +} +export class DisplayListDevice extends Device { + constructor(displayList) { + checkType(displayList, DisplayList); + super(libmupdf._wasm_new_display_list_device(displayList.pointer)); + } +} +export class DocumentWriter extends Userdata { + constructor(buffer, format, options) { + options = ensureOptions(options); + super(libmupdf._wasm_new_document_writer_with_buffer(BUFFER(buffer), STRING(format), STRING2(options))); + } + beginPage(mediabox) { + checkRect(mediabox); + return new Device(libmupdf._wasm_keep_device(libmupdf._wasm_begin_page(this.pointer, RECT(mediabox)))); + } + endPage() { + libmupdf._wasm_end_page(this.pointer); + } + close() { + libmupdf._wasm_close_document_writer(this.pointer); + } +} +DocumentWriter._drop = libmupdf._wasm_drop_document_writer; +export class LinkDestination { + constructor(chapter = 0, page = 0, type = "Fit", x = NaN, y = NaN, width = NaN, height = NaN, zoom = NaN) { + this.chapter = chapter; + this.page = page; + this.type = type; + this.x = x; + this.y = y; + this.width = width; + this.height = height; + this.zoom = zoom; + } +} +LinkDestination.LINK_DEST = [ + "Fit", + "FitB", + "FitH", + "FitBH", + "FitV", + "FitBV", + "FitR", + "XYZ", +]; +LinkDestination.FIT = "Fit"; +LinkDestination.FIT_B = "FitB"; +LinkDestination.FIT_H = "FitH"; +LinkDestination.FIT_BH = "FitBH"; +LinkDestination.FIT_V = "FitV"; +LinkDestination.FIT_BV = "FitBV"; +LinkDestination.FIT_R = "FitR"; +LinkDestination.XYZ = "XYZ"; +export class Document extends Userdata { + static openDocument(from, magic) { + let pointer = 0; + let free_from = false; + if (typeof from === "string") { + magic = from; + if (node_fs) + from = node_fs.readFileSync(from); + else + throw new Error("missing 'fs' module"); + } + else { + if (typeof magic === "undefined") + magic = "application/pdf"; + } + checkType(magic, "string"); + if (from instanceof ArrayBuffer || from instanceof Uint8Array) { + from = new Buffer(from); + free_from = true; + } + if (from instanceof Buffer) + pointer = libmupdf._wasm_open_document_with_buffer(STRING(magic), from.pointer); + else if (from instanceof Stream) + pointer = libmupdf._wasm_open_document_with_stream(STRING(magic), from.pointer); + else + throw new Error("not a Buffer or Stream"); + if (free_from) { + // Destroy any implicit Buffer instances immediately! + // This may help the GC and FinalizationRegistry out when + // processing many documents without a pause. + from.destroy(); + } + let pdf = libmupdf._wasm_pdf_document_from_fz_document(pointer); + if (pdf) + return new PDFDocument(pdf); + return new Document(pointer); + } + formatLinkURI(dest) { + return fromStringFree(libmupdf._wasm_format_link_uri(this.pointer, dest.chapter | 0, dest.page | 0, ENUM(dest.type, LinkDestination.LINK_DEST), +dest.x, +dest.y, +dest.width, +dest.height, +dest.zoom)); + } + asPDF() { + if (this instanceof PDFDocument) + return this; + return null; + } + isPDF() { + return this instanceof PDFDocument; + } + needsPassword() { + return !!libmupdf._wasm_needs_password(this.pointer); + } + authenticatePassword(password) { + return libmupdf._wasm_authenticate_password(this.pointer, STRING(password)); + } + hasPermission(perm) { + let perm_ix = (typeof perm === "number") ? perm : Document.PERMISSION[perm]; + return !!libmupdf._wasm_has_permission(this.pointer, perm_ix); + } + getMetaData(key) { + let value = libmupdf._wasm_lookup_metadata(this.pointer, STRING(key)); + if (value) + return fromString(value); + return undefined; + } + setMetaData(key, value) { + libmupdf._wasm_set_metadata(this.pointer, STRING(key), STRING2(value)); + } + countPages() { + return libmupdf._wasm_count_pages(this.pointer); + } + isReflowable() { + libmupdf._wasm_is_document_reflowable(this.pointer); + } + style(publisherCSS, userCSS) { + checkType(publisherCSS, "boolean"); + checkType(userCSS, "string"); + libmupdf._wasm_style_document(this.pointer, publisherCSS, STRING(userCSS)); + } + layout(w, h, em) { + libmupdf._wasm_layout_document(this.pointer, w, h, em); + } + loadPage(index) { + let fz_ptr = libmupdf._wasm_load_page(this.pointer, index); + if (this instanceof PDFDocument) { + let pdf_ptr = libmupdf._wasm_pdf_page_from_fz_page(fz_ptr); + if (pdf_ptr) + return new PDFPage(this, pdf_ptr); + } + return new Page(fz_ptr); + } + loadOutline() { + let doc = this.pointer; + function to_outline(outline) { + let result = []; + while (outline) { + let title = libmupdf._wasm_outline_get_title(outline); + let uri = libmupdf._wasm_outline_get_uri(outline); + let open = libmupdf._wasm_outline_get_is_open(outline); + let item = { + title: title ? fromString(title) : undefined, + uri: uri ? fromString(uri) : undefined, + open: !!open, + }; + let page = libmupdf._wasm_outline_get_page(doc, outline); + if (page >= 0) + item.page = page; + let down = libmupdf._wasm_outline_get_down(outline); + if (down) + item.down = to_outline(down); + result.push(item); + outline = libmupdf._wasm_outline_get_next(outline); + } + return result; + } + let root = libmupdf._wasm_load_outline(doc); + if (root) + return to_outline(root); + return null; + } + resolveLink(link) { + if (link instanceof Link) + return libmupdf._wasm_resolve_link(this.pointer, libmupdf._wasm_link_get_uri(link.pointer)); + return libmupdf._wasm_resolve_link(this.pointer, STRING(link)); + } + resolveLinkDestination(link) { + let dest; + if (link instanceof Link) + dest = libmupdf._wasm_resolve_link_dest(this.pointer, libmupdf._wasm_link_get_uri(link.pointer)); + else + dest = libmupdf._wasm_resolve_link_dest(this.pointer, STRING(link)); + return { + type: LinkDestination.LINK_DEST[libmupdf._wasm_link_dest_get_type(dest)], + chapter: libmupdf._wasm_link_dest_get_chapter(dest), + page: libmupdf._wasm_link_dest_get_page(dest), + x: libmupdf._wasm_link_dest_get_x(dest), + y: libmupdf._wasm_link_dest_get_y(dest), + width: libmupdf._wasm_link_dest_get_w(dest), + height: libmupdf._wasm_link_dest_get_h(dest), + zoom: libmupdf._wasm_link_dest_get_zoom(dest), + }; + } + outlineIterator() { + return new OutlineIterator(libmupdf._wasm_new_outline_iterator(this.pointer)); + } +} +Document._drop = libmupdf._wasm_drop_document; +Document.META_FORMAT = "format"; +Document.META_ENCRYPTION = "encryption"; +Document.META_INFO_AUTHOR = "info:Author"; +Document.META_INFO_TITLE = "info:Title"; +Document.META_INFO_SUBJECT = "info:Subject"; +Document.META_INFO_KEYWORDS = "info:Keywords"; +Document.META_INFO_CREATOR = "info:Creator"; +Document.META_INFO_PRODUCER = "info:Producer"; +Document.META_INFO_CREATIONDATE = "info:CreationDate"; +Document.META_INFO_MODIFICATIONDATE = "info:ModDate"; +Document.PERMISSION_PRINT = "print"; +Document.PERMISSION_COPY = "copy"; +Document.PERMISSION_EDIT = "eedit"; +Document.PERMISSION_ANNOTATE = "annotate"; +Document.PERMISSION_FORM = "form"; +Document.PERMISSION_ACCESSIBILITY = "accessibility"; +Document.PERMISSION_ASSEMBLE = "assemble"; +Document.PERMISSION_PRINT_HQ = "print-hq"; +Document.PERMISSION = { + "print": "p".charCodeAt(0), + "copy": "c".charCodeAt(0), + "edit": "e".charCodeAt(0), + "annotate": "n".charCodeAt(0), + "form": "f".charCodeAt(0), + "accessibility": "y".charCodeAt(0), + "assemble": "a".charCodeAt(0), + "print-hq": "h".charCodeAt(0), +}; +export class OutlineIterator extends Userdata { + item() { + let item = libmupdf._wasm_outline_iterator_item(this.pointer); + if (item) { + let title_ptr = libmupdf._wasm_outline_item_get_title(item); + let uri_ptr = libmupdf._wasm_outline_item_get_uri(item); + let is_open = libmupdf._wasm_outline_item_get_is_open(item); + return { + title: title_ptr ? fromString(title_ptr) : undefined, + uri: uri_ptr ? fromString(uri_ptr) : undefined, + open: !!is_open, + }; + } + return null; + } + next() { + return libmupdf._wasm_outline_iterator_next(this.pointer); + } + prev() { + return libmupdf._wasm_outline_iterator_prev(this.pointer); + } + up() { + return libmupdf._wasm_outline_iterator_up(this.pointer); + } + down() { + return libmupdf._wasm_outline_iterator_down(this.pointer); + } + delete() { + return libmupdf._wasm_outline_iterator_delete(this.pointer); + } + insert(item) { + return libmupdf._wasm_outline_iterator_insert(this.pointer, STRING_OPT(item.title), STRING2_OPT(item.uri), item.open); + } + update(item) { + libmupdf._wasm_outline_iterator_update(this.pointer, STRING_OPT(item.title), STRING2_OPT(item.uri), item.open); + } +} +OutlineIterator._drop = libmupdf._wasm_drop_outline_iterator; +OutlineIterator.ITERATOR_DID_NOT_MOVE = -1; +OutlineIterator.ITERATOR_AT_ITEM = 0; +OutlineIterator.ITERATOR_AT_EMPTY = 1; +OutlineIterator.FLAG_BOLD = 1; +OutlineIterator.FLAG_ITALIC = 2; +export class Link extends Userdata { + getBounds() { + return fromRect(libmupdf._wasm_link_get_rect(this.pointer)); + } + setBounds(rect) { + checkRect(rect); + libmupdf._wasm_link_set_rect(this.pointer, RECT(rect)); + } + getURI() { + return fromString(libmupdf._wasm_link_get_uri(this.pointer)); + } + setURI(uri) { + checkType(uri, "string"); + libmupdf._wasm_link_set_uri(this.pointer, STRING(uri)); + } + isExternal() { + return /^\w[\w+-.]*:/.test(this.getURI()); + } +} +Link._drop = libmupdf._wasm_drop_link; +export class Page extends Userdata { + isPDF() { + return this instanceof PDFPage; + } + getBounds(box = "CropBox") { + let box_ix = ENUM(box, Page.BOXES); + return fromRect(libmupdf._wasm_bound_page(this.pointer, box_ix)); + } + getLabel() { + return fromString(libmupdf._wasm_page_label(this.pointer)); + } + run(device, matrix) { + checkType(device, Device); + checkMatrix(matrix); + libmupdf._wasm_run_page(this.pointer, device.pointer, MATRIX(matrix)); + } + runPageContents(device, matrix) { + checkType(device, Device); + checkMatrix(matrix); + libmupdf._wasm_run_page_contents(this.pointer, device.pointer, MATRIX(matrix)); + } + runPageAnnots(device, matrix) { + checkType(device, Device); + checkMatrix(matrix); + libmupdf._wasm_run_page_annots(this.pointer, device.pointer, MATRIX(matrix)); + } + runPageWidgets(device, matrix) { + checkType(device, Device); + checkMatrix(matrix); + libmupdf._wasm_run_page_widgets(this.pointer, device.pointer, MATRIX(matrix)); + } + toPixmap(matrix, colorspace, alpha = false, showExtras = true) { + checkType(colorspace, ColorSpace); + checkMatrix(matrix); + let result; + if (showExtras) + result = libmupdf._wasm_new_pixmap_from_page(this.pointer, MATRIX(matrix), colorspace.pointer, alpha); + else + result = libmupdf._wasm_new_pixmap_from_page_contents(this.pointer, MATRIX(matrix), colorspace.pointer, alpha); + return new Pixmap(result); + } + toDisplayList(showExtras = true) { + let result; + if (showExtras) + result = libmupdf._wasm_new_display_list_from_page(this.pointer); + else + result = libmupdf._wasm_new_display_list_from_page_contents(this.pointer); + return new DisplayList(result); + } + toStructuredText(options) { + options = ensureOptions(options); + return new StructuredText(libmupdf._wasm_new_stext_page_from_page(this.pointer, STRING(options))); + } + getLinks() { + let links = []; + let link = libmupdf._wasm_load_links(this.pointer); + while (link) { + links.push(new Link(libmupdf._wasm_keep_link(link))); + link = libmupdf._wasm_link_get_next(link); + } + return links; + } + createLink(bbox, uri) { + checkRect(bbox); + return new Link(libmupdf._wasm_create_link(this.pointer, RECT(bbox), STRING(uri))); + } + deleteLink(link) { + checkType(link, Link); + libmupdf._wasm_delete_link(this.pointer, link.pointer); + } + search(needle, options) { + return runSearch(libmupdf._wasm_search_page, this.pointer, needle, options); + } +} +Page._drop = libmupdf._wasm_drop_page; +Page.BOXES = [ + "MediaBox", + "CropBox", + "BleedBox", + "TrimBox", + "ArtBox" +]; +Page.MEDIA_BOX = "MediaBox"; +Page.CROP_BOX = "CropBox"; +Page.BLEED_BOX = "BleedBox"; +Page.TRIM_BOX = "TrimBox"; +Page.ART_BOX = "ArtBox"; +/* -------------------------------------------------------------------------- */ +export class PDFDocument extends Document { + constructor(arg1) { + if (typeof arg1 === "undefined") + super(libmupdf._wasm_pdf_create_document()); + else if (typeof arg1 === "number") + super(arg1); + else if (arg1 instanceof PDFDocument) { + super(arg1.pointer); + libmupdf._wasm_keep_document(this.pointer); + } + else { + let doc = Document.openDocument(arg1, "application/pdf"); + if (doc instanceof PDFDocument) + return doc; + throw new Error("not a PDF document"); + } + } + loadPage(index) { + return super.loadPage(index); + } + // PDFObject instances are always bound to a document, so the WASM/JS value interface lives here. + // Wrap a pdf_obj in a Userdata object. The pointer must be newly created or we already own it. + _fromPDFObjectNew(ptr) { + if (ptr === 0) + return PDFObject.Null; + return new PDFObject(this, ptr); + } + // Wrap a pdf_obj in a Userdata object. The pointer must be a borrowed pointer, so we have to take ownership. + _fromPDFObjectKeep(ptr) { + if (ptr === 0) + return PDFObject.Null; + return new PDFObject(this, libmupdf._wasm_pdf_keep_obj(ptr)); + } + _toPDFObject(obj) { + if (obj instanceof PDFObject) + return obj; + if (obj === null || obj === undefined) + return this.newNull(); + if (typeof obj === "string") { + // if a JS string is surrounded by parens, convert it to a PDF string + if (obj.startsWith("(") && obj.endsWith(")")) + return this.newString(obj.slice(1, -1)); + // otherwise treat it as a name + return this.newName(obj); + } + if (typeof obj === "number") { + if (obj === (obj | 0)) + return this.newInteger(obj); + return this.newReal(obj); + } + if (typeof obj === "boolean") + return this.newBoolean(obj); + if (obj instanceof Array) { + let result = this.newArray(); + for (let item of obj) + result.push(item); + return result; + } + if (obj instanceof Object) { + let result = this.newDictionary(); + for (let key in obj) + result.put(key, obj[key]); + return result; + } + throw new TypeError("cannot convert value to PDFObject"); + } + _PDFOBJ(obj) { + // Note: We have to create a PDFObject instance for garbage collection. + return this._toPDFObject(obj).pointer; + } + getVersion() { + return libmupdf._wasm_pdf_version(this.pointer); + } + getLanguage() { + return fromStringOrNull(libmupdf._wasm_pdf_document_language(this.pointer)); + } + setLanguage(lang) { + libmupdf._wasm_pdf_set_document_language(this.pointer, STRING(lang)); + } + countObjects() { + return libmupdf._wasm_pdf_xref_len(this.pointer); + } + getTrailer() { + return new PDFObject(this, libmupdf._wasm_pdf_trailer(this.pointer)); + } + createObject() { + let num = libmupdf._wasm_pdf_create_object(this.pointer); + return this._fromPDFObjectNew(libmupdf._wasm_pdf_new_indirect(this.pointer, num)); + } + newNull() { return PDFObject.Null; } + newBoolean(v) { return this._fromPDFObjectNew(libmupdf._wasm_pdf_new_bool(v)); } + newInteger(v) { return this._fromPDFObjectNew(libmupdf._wasm_pdf_new_int(v)); } + newReal(v) { return this._fromPDFObjectNew(libmupdf._wasm_pdf_new_real(v)); } + newName(v) { return this._fromPDFObjectNew(libmupdf._wasm_pdf_new_name(STRING(v))); } + newString(v) { return this._fromPDFObjectNew(libmupdf._wasm_pdf_new_text_string(STRING(v))); } + newByteString(v) { + if (v instanceof Array) + v = Uint8Array.from(v); + checkType(v, Uint8Array); + let len = v.byteLength; + let ptr = Malloc(len); + libmupdf.HEAPU8.set(v, ptr); + try { + return this._fromPDFObjectNew(libmupdf._wasm_pdf_new_string(ptr, len)); + } + finally { + Free(ptr); + } + } + newIndirect(v) { return this._fromPDFObjectNew(libmupdf._wasm_pdf_new_indirect(this.pointer, v)); } + newArray() { return this._fromPDFObjectNew(libmupdf._wasm_pdf_new_array(this.pointer)); } + newDictionary() { return this._fromPDFObjectNew(libmupdf._wasm_pdf_new_dict(this.pointer)); } + deleteObject(num) { + if (num instanceof PDFObject) + num = num.asIndirect(); + else + checkType(num, "number"); + libmupdf._wasm_pdf_delete_object(this.pointer, num); + } + addObject(obj) { + return this._fromPDFObjectNew(libmupdf._wasm_pdf_add_object(this.pointer, this._PDFOBJ(obj))); + } + addStream(buf, obj) { + return this._fromPDFObjectNew(libmupdf._wasm_pdf_add_stream(this.pointer, BUFFER(buf), this._PDFOBJ(obj), 0)); + } + addRawStream(buf, obj) { + return this._fromPDFObjectNew(libmupdf._wasm_pdf_add_stream(this.pointer, BUFFER(buf), this._PDFOBJ(obj), 1)); + } + newGraftMap() { + return new PDFGraftMap(this, libmupdf._wasm_pdf_new_graft_map(this.pointer)); + } + graftObject(obj) { + checkType(obj, PDFObject); + return this._fromPDFObjectNew(libmupdf._wasm_pdf_graft_object(this.pointer, obj.pointer)); + } + graftPage(to, srcDoc, srcPage) { + checkType(to, "number"); + checkType(srcDoc, PDFDocument); + checkType(srcPage, "number"); + libmupdf._wasm_pdf_graft_page(this.pointer, to, srcDoc.pointer, srcPage); + } + addSimpleFont(font, encoding = "Latin") { + checkType(font, Font); + var encoding_ix = ENUM(encoding, Font.SIMPLE_ENCODING); + return this._fromPDFObjectNew(libmupdf._wasm_pdf_add_simple_font(this.pointer, font.pointer, encoding_ix)); + } + addCJKFont(font, lang, wmode = 0, serif = true) { + checkType(font, Font); + if (typeof lang === "string") + lang = Font.CJK_ORDERING_BY_LANG[lang]; + return this._fromPDFObjectNew(libmupdf._wasm_pdf_add_cjk_font(this.pointer, font.pointer, lang, wmode, serif)); + } + addFont(font) { + checkType(font, Font); + return this._fromPDFObjectNew(libmupdf._wasm_pdf_add_cid_font(this.pointer, font.pointer)); + } + addImage(image) { + checkType(image, Image); + return this._fromPDFObjectNew(libmupdf._wasm_pdf_add_image(this.pointer, image.pointer)); + } + loadImage(ref) { + checkType(ref, PDFObject); + return new Image(libmupdf._wasm_pdf_load_image(this.pointer, ref.pointer)); + } + findPage(index) { + checkType(index, "number"); + return this._fromPDFObjectKeep(libmupdf._wasm_pdf_lookup_page_obj(this.pointer, index)); + } + setPageTreeCache(enabled) { + checkType(enabled, "boolean"); + libmupdf._wasm_pdf_set_page_tree_cache(this.pointer, enabled); + } + addPage(mediabox, rotate, resources, contents) { + checkRect(mediabox); + checkType(rotate, "number"); + return this._fromPDFObjectNew(libmupdf._wasm_pdf_add_page(this.pointer, RECT(mediabox), rotate, this._PDFOBJ(resources), BUFFER(contents))); + } + insertPage(at, obj) { + checkType(at, "number"); + libmupdf._wasm_pdf_insert_page(this.pointer, at, this._PDFOBJ(obj)); + } + deletePage(at) { + checkType(at, "number"); + libmupdf._wasm_pdf_delete_page(this.pointer, at); + } + isEmbeddedFile(ref) { + checkType(ref, PDFObject); + return !!libmupdf._wasm_pdf_is_embedded_file(ref.pointer); + } + addEmbeddedFile(filename, mimetype, contents, created, modified, checksum = false) { + checkType(filename, "string"); + checkType(mimetype, "string"); + checkType(created, Date); + checkType(modified, Date); + checkType(checksum, "boolean"); + return this._fromPDFObjectNew(libmupdf._wasm_pdf_add_embedded_file(this.pointer, STRING(filename), STRING2(mimetype), BUFFER(contents), created.getTime() / 1000 | 0, modified.getTime() / 1000 | 0, checksum)); + } + getFilespecParams(ref) { + checkType(ref, PDFObject); + let ptr = libmupdf._wasm_pdf_get_filespec_params(ref.pointer); + return { + filename: fromString(libmupdf._wasm_pdf_filespec_params_get_filename(ptr)), + mimetype: fromString(libmupdf._wasm_pdf_filespec_params_get_mimetype(ptr)), + size: libmupdf._wasm_pdf_filespec_params_get_filename(ptr), + creationDate: new Date(libmupdf._wasm_pdf_filespec_params_get_created(ptr) * 1000), + modificationDate: new Date(libmupdf._wasm_pdf_filespec_params_get_modified(ptr) * 1000), + }; + } + getEmbeddedFileContents(ref) { + checkType(ref, PDFObject); + let contents = libmupdf._wasm_pdf_load_embedded_file_contents(ref.pointer); + if (contents) + return new Buffer(contents); + return null; + } + getEmbeddedFiles() { + function _getEmbeddedFilesRec(result, N) { + var i, n; + if (N.isDictionary()) { + var NN = N.get("Names"); + if (NN) + for (i = 0, n = NN.length; i < n; i += 2) + result[NN.get(i + 0).asString()] = NN.get(i + 1); + var NK = N.get("Kids"); + if (NK) + for (i = 0, n = NK.length; i < n; i += 1) + _getEmbeddedFilesRec(result, NK.get(i)); + } + return result; + } + return _getEmbeddedFilesRec({}, this.getTrailer().get("Root", "Names", "EmbeddedFiles")); + } + loadNameTree(treeName) { + function _loadNameTreeRec(dict, node) { + var kids = node.get("Kids"); + if (kids && kids.isArray()) + for (var i = 0; i < kids.length; i += 1) + _loadNameTreeRec(dict, kids.get(i)); + var names = node.get("Names"); + if (names && names.isArray()) + for (var i = 0; i < names.length; i += 2) + dict[names.get(i).asString()] = names.get(i + 1); + } + var node = this.getTrailer().get("Root").get("Names").get(treeName); + var dict = {}; + if (node.isDictionary()) + _loadNameTreeRec(dict, node); + return dict; + } + insertEmbeddedFile(filename, filespec) { + var efs = this.getEmbeddedFiles(); + efs[filename] = filespec; + this._rewriteEmbeddedFiles(efs); + } + deleteEmbeddedFile(filename) { + var efs = this.getEmbeddedFiles(); + delete efs[filename]; + this._rewriteEmbeddedFiles(efs); + } + _rewriteEmbeddedFiles(efs) { + var efs_keys = Object.keys(efs); + efs_keys.sort(); + var root = this.getTrailer().get("Root"); + var root_names = root.get("Names"); + if (!root_names.isDictionary()) + root_names = root.put("Names", this.newDictionary()); + var root_names_efs = root_names.put("EmbeddedFiles", this.newDictionary()); + var root_names_efs_names = root_names_efs.put("Names", this.newArray()); + for (var key of efs_keys) { + root_names_efs_names.push(this.newString(key)); + root_names_efs_names.push(efs[key]); + } + } + saveToBuffer(options) { + options = ensureOptions(options); + return new Buffer(libmupdf._wasm_pdf_write_document_buffer(this.pointer, STRING(options))); + } + save(filename, options) { + if (node_fs) + node_fs.writeFileSync(filename, this.saveToBuffer(options).asUint8Array()); + else + throw new Error("missing 'fs' module"); + } + setPageLabels(index, style = "D", prefix = "", start = 1) { + libmupdf._wasm_pdf_set_page_labels(this.pointer, index, style.charCodeAt(0), STRING(prefix), start); + } + deletePageLabels(index) { + libmupdf._wasm_pdf_delete_page_labels(this.pointer, index); + } + wasRepaired() { + return !!libmupdf._wasm_pdf_was_repaired(this.pointer); + } + hasUnsavedChanges() { + return !!libmupdf._wasm_pdf_has_unsaved_changes(this.pointer); + } + countVersions() { + return libmupdf._wasm_pdf_count_versions(this.pointer); + } + countUnsavedVersions() { + return libmupdf._wasm_pdf_count_unsaved_versions(this.pointer); + } + validateChangeHistory() { + return libmupdf._wasm_pdf_validate_change_history(this.pointer); + } + canBeSavedIncrementally() { + return !!libmupdf._wasm_pdf_can_be_saved_incrementally(this.pointer); + } + enableJournal() { + libmupdf._wasm_pdf_enable_journal(this.pointer); + } + getJournal() { + let position = libmupdf._wasm_pdf_undoredo_state_position(this.pointer); + let n = libmupdf._wasm_pdf_undoredo_state_count(this.pointer); + let steps = []; + for (let i = 0; i < n; ++i) + steps.push(fromString(libmupdf._wasm_pdf_undoredo_step(this.pointer, i))); + return { position, steps }; + } + beginOperation(op) { + libmupdf._wasm_pdf_begin_operation(this.pointer, STRING(op)); + } + beginImplicitOperation() { + libmupdf._wasm_pdf_begin_implicit_operation(this.pointer); + } + endOperation() { + libmupdf._wasm_pdf_end_operation(this.pointer); + } + abandonOperation() { + libmupdf._wasm_pdf_abandon_operation(this.pointer); + } + canUndo() { + return !!libmupdf._wasm_pdf_can_undo(this.pointer); + } + canRedo() { + return !!libmupdf._wasm_pdf_can_redo(this.pointer); + } + undo() { + libmupdf._wasm_pdf_undo(this.pointer); + } + redo() { + libmupdf._wasm_pdf_redo(this.pointer); + } + isJSSupported() { + return !!libmupdf._wasm_pdf_js_supported(this.pointer); + } + enableJS() { + libmupdf._wasm_pdf_enable_js(this.pointer); + } + disableJS() { + libmupdf._wasm_pdf_disable_js(this.pointer); + } + setJSEventListener(_listener) { + throw "TODO"; + } + rearrangePages(pages) { + let n = pages.length; + let ptr = Malloc(n << 2); + for (let i = 0; i < n; ++i) + libmupdf.HEAPU32[(ptr >> 2) + i] = pages[i] || 0; + try { + libmupdf._wasm_pdf_rearrange_pages(this.pointer, n, ptr); + } + finally { + Free(ptr); + } + } + subsetFonts() { + libmupdf._wasm_pdf_subset_fonts(this.pointer); + } + bake(bakeAnnots = true, bakeWidgets = true) { + libmupdf._wasm_pdf_bake_document(this.pointer, bakeAnnots, bakeWidgets); + } + countLayerConfigs() { + return libmupdf._wasm_pdf_count_layer_configs(this.pointer); + } + getLayerConfigCreator(config) { + return fromString(libmupdf._wasm_pdf_layer_config_creator(this.pointer, config)); + } + getLayerConfigName(config) { + return fromString(libmupdf._wasm_pdf_layer_config_name(this.pointer, config)); + } + selectLayerConfig(config) { + libmupdf._wasm_pdf_select_layer_config(this.pointer, config); + } + countLayerConfigUIs() { + return libmupdf._wasm_pdf_count_layer_config_uis(this.pointer); + } + getLayerConfigUIInfo(configui) { + return fromLayerConfigUIInfo(libmupdf._wasm_pdf_layer_config_ui_info(this.pointer, configui)); + } + countLayers() { + return libmupdf._wasm_pdf_count_layers(this.pointer); + } + isLayerVisible(layer) { + return !!libmupdf._wasm_pdf_layer_is_enabled(this.pointer, layer); + } + setLayerVisible(layer, visible) { + libmupdf._wasm_pdf_enable_layer(this.pointer, layer, Number(visible)); + } + getLayerName(layer) { + return fromString(libmupdf._wasm_pdf_layer_name(this.pointer, layer)); + } + resetForm(fields, exclude) { + libmupdf._wasm_pdf_reset_form(this.pointer, this._PDFOBJ(fields), Number(exclude)); + } +} +PDFDocument.PAGE_LABEL_NONE = "\0"; +PDFDocument.PAGE_LABEL_DECIMAL = "D"; +PDFDocument.PAGE_LABEL_ROMAN_UC = "R"; +PDFDocument.PAGE_LABEL_ROMAN_LC = "r"; +PDFDocument.PAGE_LABEL_ALPHA_UC = "A"; +PDFDocument.PAGE_LABEL_ALPHA_LC = "a"; +export class PDFPage extends Page { + // PRIVATE + constructor(doc, pointer) { + super(pointer); + this._doc = doc; + this._annots = null; + this._widgets = null; + } + getObject() { + return this._doc._fromPDFObjectKeep(libmupdf._wasm_pdf_page_get_obj(this.pointer)); + } + getTransform() { + return fromMatrix(libmupdf._wasm_pdf_page_transform(this.pointer)); + } + setPageBox(box, rect) { + let box_ix = ENUM(box, Page.BOXES); + checkRect(rect); + libmupdf._wasm_pdf_set_page_box(this.pointer, box_ix, RECT(rect)); + } + toPixmap(matrix, colorspace, alpha = false, showExtras = true, usage = "View", box = "CropBox") { + checkMatrix(matrix); + checkType(colorspace, ColorSpace); + let box_ix = ENUM(box, Page.BOXES); + let result; + if (showExtras) + result = libmupdf._wasm_pdf_new_pixmap_from_page_with_usage(this.pointer, MATRIX(matrix), colorspace.pointer, alpha, STRING(usage), box_ix); + else + result = libmupdf._wasm_pdf_new_pixmap_from_page_contents_with_usage(this.pointer, MATRIX(matrix), colorspace.pointer, alpha, STRING(usage), box_ix); + return new Pixmap(result); + } + getWidgets() { + if (!this._widgets) { + this._widgets = []; + let widget = libmupdf._wasm_pdf_first_widget(this.pointer); + while (widget) { + this._widgets.push(new PDFWidget(this._doc, libmupdf._wasm_pdf_keep_annot(widget))); + widget = libmupdf._wasm_pdf_next_widget(widget); + } + } + return this._widgets; + } + getAnnotations() { + if (!this._annots) { + this._annots = []; + let annot = libmupdf._wasm_pdf_first_annot(this.pointer); + while (annot) { + this._annots.push(new PDFAnnotation(this._doc, libmupdf._wasm_pdf_keep_annot(annot))); + annot = libmupdf._wasm_pdf_next_annot(annot); + } + } + return this._annots; + } + createAnnotation(type) { + let type_ix = ENUM(type, PDFAnnotation.ANNOT_TYPES); + let annot = new PDFAnnotation(this._doc, libmupdf._wasm_pdf_create_annot(this.pointer, type_ix)); + if (this._annots) + this._annots.push(annot); + return annot; + } + deleteAnnotation(annot) { + checkType(annot, PDFAnnotation); + libmupdf._wasm_pdf_delete_annot(this.pointer, annot.pointer); + if (this._annots) { + let ix = this._annots.indexOf(annot); + if (ix >= 0) + this._annots.splice(ix, 1); + } + } + applyRedactions(black_boxes = true, image_method = 2, line_art_method = 1, text_method = 0) { + libmupdf._wasm_pdf_redact_page(this.pointer, Number(black_boxes), image_method, line_art_method, text_method); + } + update() { + return !!libmupdf._wasm_pdf_update_page(this.pointer); + } +} +PDFPage.REDACT_IMAGE_NONE = 0; +PDFPage.REDACT_IMAGE_REMOVE = 1; +PDFPage.REDACT_IMAGE_PIXELS = 2; +PDFPage.REDACT_IMAGE_UNLESS_INVISIBLE = 3; +PDFPage.REDACT_LINE_ART_NONE = 0; +PDFPage.REDACT_LINE_ART_REMOVE_IF_COVERED = 1; +PDFPage.REDACT_LINE_ART_REMOVE_IF_TOUCHED = 2; +PDFPage.REDACT_TEXT_REMOVE = 0; +PDFPage.REDACT_TEXT_NONE = 1; +export class PDFObject extends Userdata { + // PRIVATE + constructor(doc, pointer) { + super(libmupdf._wasm_pdf_keep_obj(pointer)); + this._doc = doc; + } + isNull() { return this === PDFObject.Null; } + isIndirect() { return !!libmupdf._wasm_pdf_is_indirect(this.pointer); } + isBoolean() { return !!libmupdf._wasm_pdf_is_bool(this.pointer); } + isInteger() { return !!libmupdf._wasm_pdf_is_int(this.pointer); } + isReal() { return !!libmupdf._wasm_pdf_is_real(this.pointer); } + isNumber() { return !!libmupdf._wasm_pdf_is_number(this.pointer); } + isName() { return !!libmupdf._wasm_pdf_is_name(this.pointer); } + isString() { return !!libmupdf._wasm_pdf_is_string(this.pointer); } + isArray() { return !!libmupdf._wasm_pdf_is_array(this.pointer); } + isDictionary() { return !!libmupdf._wasm_pdf_is_dict(this.pointer); } + isStream() { return !!libmupdf._wasm_pdf_is_stream(this.pointer); } + asIndirect() { return libmupdf._wasm_pdf_to_num(this.pointer); } + asBoolean() { return !!libmupdf._wasm_pdf_to_bool(this.pointer); } + asNumber() { return libmupdf._wasm_pdf_to_real(this.pointer); } + asName() { return fromString(libmupdf._wasm_pdf_to_name(this.pointer)); } + asString() { return fromString(libmupdf._wasm_pdf_to_text_string(this.pointer)); } + asByteString() { + let ptr = libmupdf._wasm_pdf_to_string(this.pointer, _wasm_int); + let len = libmupdf.HEAPU32[_wasm_int >> 2]; + return libmupdf.HEAPU8.slice(ptr, ptr + len); + } + readStream() { return new Buffer(libmupdf._wasm_pdf_load_stream(this.pointer)); } + readRawStream() { return new Buffer(libmupdf._wasm_pdf_load_raw_stream(this.pointer)); } + writeObject(obj) { + if (!this.isIndirect()) + throw new TypeError("can only call PDFObject.writeObject on an indirect reference"); + libmupdf._wasm_pdf_update_object(this._doc.pointer, this.asIndirect(), this._doc._PDFOBJ(obj)); + } + writeStream(buf) { + if (!this.isIndirect()) + throw new TypeError("can only call PDFObject.writeStream on an indirect reference"); + libmupdf._wasm_pdf_update_stream(this._doc.pointer, this.pointer, BUFFER(buf), 0); + } + writeRawStream(buf) { + if (!this.isIndirect()) + throw new TypeError("can only call PDFObject.writeRawStream on an indirect reference"); + libmupdf._wasm_pdf_update_stream(this._doc.pointer, this.pointer, BUFFER(buf), 1); + } + resolve() { + return this._doc._fromPDFObjectKeep(libmupdf._wasm_pdf_resolve_indirect(this.pointer)); + } + get length() { + return libmupdf._wasm_pdf_array_len(this.pointer); + } + set length(_) { + throw new TypeError("object length is read-only"); + } + _get(path) { + let obj = this.pointer; + for (let key of path) { + if (typeof key === "number") + obj = libmupdf._wasm_pdf_array_get(obj, key); + else if (key instanceof PDFObject) + obj = libmupdf._wasm_pdf_dict_get(obj, key.pointer); + else + obj = libmupdf._wasm_pdf_dict_gets(obj, STRING(key)); + if (obj === 0) + break; + } + return obj; + } + get(...path) { + return this._doc._fromPDFObjectKeep(this._get(path)); + } + getInheritable(key) { + if (key instanceof PDFObject) + return this._doc._fromPDFObjectKeep(libmupdf._wasm_pdf_dict_get_inheritable(this.pointer, key.pointer)); + return this._doc._fromPDFObjectKeep(libmupdf._wasm_pdf_dict_gets_inheritable(this.pointer, STRING(key))); + } + put(key, value) { + value = this._doc._toPDFObject(value); + if (typeof key === "number") + libmupdf._wasm_pdf_array_put(this.pointer, key, value.pointer); + else if (key instanceof PDFObject) + libmupdf._wasm_pdf_dict_put(this.pointer, key.pointer, value.pointer); + else + libmupdf._wasm_pdf_dict_puts(this.pointer, STRING(key), value.pointer); + return value; + } + push(value) { + value = this._doc._toPDFObject(value); + libmupdf._wasm_pdf_array_push(this.pointer, value.pointer); + return value; + } + delete(key) { + if (typeof key === "number") + libmupdf._wasm_pdf_array_delete(this.pointer, key); + else if (key instanceof PDFObject) + libmupdf._wasm_pdf_dict_del(this.pointer, key.pointer); + else + libmupdf._wasm_pdf_dict_dels(this.pointer, STRING(key)); + } + valueOf() { + if (this.isNull()) + return null; + if (this.isBoolean()) + return this.asBoolean(); + if (this.isNumber()) + return this.asNumber(); + if (this.isName()) + return this.asName(); + if (this.isString()) + return this.asString(); + if (this.isIndirect()) + return `${this.asIndirect()} 0 R`; + return this; + } + toString(tight = true, ascii = true) { + return fromStringFree(libmupdf._wasm_pdf_sprint_obj(this.pointer, tight, ascii)); + } + forEach(fn) { + if (this.isArray()) { + let n = this.length; + for (let i = 0; i < n; ++i) + fn(this.get(i), i, this); + } + else if (this.isDictionary()) { + let n = libmupdf._wasm_pdf_dict_len(this.pointer); + for (let i = 0; i < n; ++i) { + let key = this._doc._fromPDFObjectKeep(libmupdf._wasm_pdf_dict_get_key(this.pointer, i)); + let val = this._doc._fromPDFObjectKeep(libmupdf._wasm_pdf_dict_get_val(this.pointer, i)); + fn(val, key.asName(), this); + } + } + } + // Convert to plain Javascript values, objects, and arrays. + // If you want to resolve indirect references, pass an empty object or array as the first argument. + // On exit, this object will contain all indirect objects encountered indexed by object number. + // Note: This function will omit cyclic references. + asJS(seen) { + if (this.isIndirect()) { + let ref = this.asIndirect(); + if (!seen) + return `${ref} 0 R`; + if (ref in seen) + return seen[ref]; + seen[ref] = PDFObject.Null; // stop recursion! + return seen[ref] = this.resolve().asJS(seen); + } + if (this.isArray()) { + let result = []; + this.forEach(val => { + result.push(val.asJS(seen)); + }); + return result; + } + if (this.isDictionary()) { + let result = {}; + this.forEach((val, key) => { + result[key] = val.asJS(seen); + }); + return result; + } + return this.valueOf(); + } +} +PDFObject._drop = libmupdf._wasm_pdf_drop_obj; +PDFObject.Null = new PDFObject(null, 0); +export class PDFGraftMap extends Userdata { + // PRIVATE + constructor(doc, pointer) { + super(pointer); + this._doc = doc; + } + graftObject(obj) { + checkType(obj, PDFObject); + return this._doc._fromPDFObjectNew(libmupdf._wasm_pdf_graft_mapped_object(this.pointer, obj.pointer)); + } + graftPage(to, srcDoc, srcPage) { + checkType(to, "number"); + checkType(srcDoc, PDFDocument); + checkType(srcPage, "number"); + libmupdf._wasm_pdf_graft_mapped_page(this.pointer, to, srcDoc.pointer, srcPage); + } +} +PDFGraftMap._drop = libmupdf._wasm_pdf_drop_graft_map; +export class PDFAnnotation extends Userdata { + // PRIVATE + constructor(doc, pointer) { + super(pointer); + this._doc = doc; + } + getObject() { + return this._doc._fromPDFObjectKeep(libmupdf._wasm_pdf_annot_obj(this.pointer)); + } + getBounds() { + return fromRect(libmupdf._wasm_pdf_bound_annot(this.pointer)); + } + run(device, matrix) { + checkType(device, Device); + checkMatrix(matrix); + libmupdf._wasm_pdf_run_annot(this.pointer, device.pointer, MATRIX(matrix)); + } + toPixmap(matrix, colorspace, alpha = false) { + checkMatrix(matrix); + checkType(colorspace, ColorSpace); + return new Pixmap(libmupdf._wasm_pdf_new_pixmap_from_annot(this.pointer, MATRIX(matrix), colorspace.pointer, alpha)); + } + toDisplayList() { + return new DisplayList(libmupdf._wasm_pdf_new_display_list_from_annot(this.pointer)); + } + update() { + return !!libmupdf._wasm_pdf_update_annot(this.pointer); + } + getType() { + let type = libmupdf._wasm_pdf_annot_type(this.pointer); + return PDFAnnotation.ANNOT_TYPES[type] || "Text"; + } + getLanguage() { + return fromStringOrNull(libmupdf._wasm_pdf_annot_language(this.pointer)); + } + setLanguage(lang) { + libmupdf._wasm_pdf_set_annot_language(this.pointer, STRING(lang)); + } + getFlags() { + return libmupdf._wasm_pdf_annot_flags(this.pointer); + } + setFlags(flags) { + return libmupdf._wasm_pdf_set_annot_flags(this.pointer, flags); + } + getContents() { + return fromString(libmupdf._wasm_pdf_annot_contents(this.pointer)); + } + setContents(text) { + libmupdf._wasm_pdf_set_annot_contents(this.pointer, STRING(text)); + } + getName() { + return fromString(libmupdf._wasm_pdf_annot_name(this.pointer)); + } + setName(text) { + libmupdf._wasm_pdf_set_annot_name(this.pointer, STRING(text)); + } + getAuthor() { + return fromString(libmupdf._wasm_pdf_annot_author(this.pointer)); + } + setAuthor(text) { + libmupdf._wasm_pdf_set_annot_author(this.pointer, STRING(text)); + } + getSubject() { + return fromString(libmupdf._wasm_pdf_annot_subject(this.pointer)); + } + setSubject(text) { + libmupdf._wasm_pdf_set_annot_subject(this.pointer, STRING(text)); + } + getCreationDate() { + return new Date(libmupdf._wasm_pdf_annot_creation_date(this.pointer) * 1000); + } + setCreationDate(date) { + checkType(date, Date); + libmupdf._wasm_pdf_set_annot_creation_date(this.pointer, date.getTime() / 1000); + } + getModificationDate() { + return new Date(libmupdf._wasm_pdf_annot_modification_date(this.pointer) * 1000); + } + setModificationDate(date) { + checkType(date, Date); + libmupdf._wasm_pdf_set_annot_modification_date(this.pointer, date.getTime() / 1000); + } + hasRect() { + return !!libmupdf._wasm_pdf_annot_has_rect(this.pointer); + } + hasInkList() { + return !!libmupdf._wasm_pdf_annot_has_ink_list(this.pointer); + } + hasQuadPoints() { + return !!libmupdf._wasm_pdf_annot_has_quad_points(this.pointer); + } + hasVertices() { + return !!libmupdf._wasm_pdf_annot_has_vertices(this.pointer); + } + hasLine() { + return !!libmupdf._wasm_pdf_annot_has_line(this.pointer); + } + hasInteriorColor() { + return !!libmupdf._wasm_pdf_annot_has_interior_color(this.pointer); + } + hasLineEndingStyles() { + return !!libmupdf._wasm_pdf_annot_has_line_ending_styles(this.pointer); + } + hasBorder() { + return !!libmupdf._wasm_pdf_annot_has_border(this.pointer); + } + hasBorderEffect() { + return !!libmupdf._wasm_pdf_annot_has_border_effect(this.pointer); + } + hasIcon() { + return !!libmupdf._wasm_pdf_annot_has_icon_name(this.pointer); + } + hasOpen() { + return !!libmupdf._wasm_pdf_annot_has_open(this.pointer); + } + hasAuthor() { + return !!libmupdf._wasm_pdf_annot_has_author(this.pointer); + } + hasSubject() { + return !!libmupdf._wasm_pdf_annot_has_subject(this.pointer); + } + hasFilespec() { + return !!libmupdf._wasm_pdf_annot_has_filespec(this.pointer); + } + hasCallout() { + return !!libmupdf._wasm_pdf_annot_has_callout(this.pointer); + } + hasRichContents() { + return !!libmupdf._wasm_pdf_annot_has_rich_contents(this.pointer); + } + getRect() { + return fromRect(libmupdf._wasm_pdf_annot_rect(this.pointer)); + } + setRect(rect) { + checkRect(rect); + libmupdf._wasm_pdf_set_annot_rect(this.pointer, RECT(rect)); + } + getPopup() { + return fromRect(libmupdf._wasm_pdf_annot_popup(this.pointer)); + } + setPopup(rect) { + checkRect(rect); + libmupdf._wasm_pdf_set_annot_popup(this.pointer, RECT(rect)); + } + getIsOpen() { + return !!libmupdf._wasm_pdf_annot_is_open(this.pointer); + } + setIsOpen(isOpen) { + checkType(isOpen, "boolean"); + libmupdf._wasm_pdf_set_annot_is_open(this.pointer, isOpen); + } + getHiddenForEditing() { + return !!libmupdf._wasm_pdf_annot_hidden_for_editing(this.pointer); + } + setHiddenForEditing(isHidden) { + checkType(isHidden, "boolean"); + libmupdf._wasm_pdf_set_annot_hidden_for_editing(this.pointer, isHidden); + } + getIcon() { + return fromString(libmupdf._wasm_pdf_annot_icon_name(this.pointer)); + } + setIcon(text) { + checkType(text, "string"); + libmupdf._wasm_pdf_set_annot_icon_name(this.pointer, STRING(text)); + } + getOpacity() { + return libmupdf._wasm_pdf_annot_opacity(this.pointer); + } + setOpacity(opacity) { + checkType(opacity, "number"); + libmupdf._wasm_pdf_set_annot_opacity(this.pointer, opacity); + } + getQuadding() { + return libmupdf._wasm_pdf_annot_quadding(this.pointer); + } + setQuadding(quadding) { + checkType(quadding, "number"); + libmupdf._wasm_pdf_set_annot_quadding(this.pointer, quadding); + } + getLine() { + let a = fromPoint(libmupdf._wasm_pdf_annot_line_1(this.pointer)); + let b = fromPoint(libmupdf._wasm_pdf_annot_line_2(this.pointer)); + return [a, b]; + } + setLine(a, b) { + checkPoint(a); + checkPoint(b); + libmupdf._wasm_pdf_set_annot_line(this.pointer, POINT(a), POINT2(b)); + } + getLineEndingStyles() { + let a = libmupdf._wasm_pdf_annot_line_ending_styles_start(this.pointer); + let b = libmupdf._wasm_pdf_annot_line_ending_styles_end(this.pointer); + return { + start: PDFAnnotation.LINE_ENDING[a] || "None", + end: PDFAnnotation.LINE_ENDING[b] || "None", + }; + } + setLineEndingStyles(start, end) { + let start_ix = ENUM(start, PDFAnnotation.LINE_ENDING); + let end_ix = ENUM(end, PDFAnnotation.LINE_ENDING); + libmupdf._wasm_pdf_set_annot_line_ending_styles(this.pointer, start_ix, end_ix); + } + getLineCaption() { + return libmupdf._wasm_pdf_annot_line_caption(this.pointer); + } + setLineCaption(on) { + return libmupdf._wasm_pdf_set_annot_line_caption(this.pointer, on); + } + getLineCaptionOffset() { + return fromPoint(libmupdf._wasm_pdf_annot_line_caption_offset(this.pointer)); + } + setLineCaptionOffset(p) { + return libmupdf._wasm_pdf_set_annot_line_caption_offset(this.pointer, POINT(p)); + } + getLineLeader() { + return libmupdf._wasm_pdf_annot_line_leader(this.pointer); + } + getLineLeaderExtension() { + return libmupdf._wasm_pdf_annot_line_leader_extension(this.pointer); + } + getLineLeaderOffset() { + return libmupdf._wasm_pdf_annot_line_leader_offset(this.pointer); + } + setLineLeader(v) { + return libmupdf._wasm_pdf_set_annot_line_leader(this.pointer, v); + } + setLineLeaderExtension(v) { + return libmupdf._wasm_pdf_set_annot_line_leader_extension(this.pointer, v); + } + setLineLeaderOffset(v) { + return libmupdf._wasm_pdf_set_annot_line_leader_offset(this.pointer, v); + } + getCalloutStyle() { + let style = libmupdf._wasm_pdf_annot_callout_style(this.pointer); + return PDFAnnotation.LINE_ENDING[style] || "None"; + } + setCalloutStyle(style) { + let style_ix = ENUM(style, PDFAnnotation.LINE_ENDING); + libmupdf._wasm_pdf_set_annot_callout_style(this.pointer, style_ix); + } + getCalloutLine() { + let n = libmupdf._wasm_pdf_annot_callout_line(this.pointer, (_wasm_point << 2)); + if (n == 3) + return [ + fromPoint((_wasm_point + 0) << 2), + fromPoint((_wasm_point + 1) << 2), + fromPoint((_wasm_point + 2) << 2) + ]; + if (n == 2) + return [ + fromPoint((_wasm_point + 0) << 2), + fromPoint((_wasm_point + 1) << 2) + ]; + return null; + } + setCalloutLine(line) { + let a = line[0] || [0, 0]; + let b = line[1] || [0, 0]; + let c = line[2] || [0, 0]; + libmupdf._wasm_pdf_set_annot_callout_line(this.pointer, line.length, POINT(a), POINT2(b), POINT3(c)); + } + getCalloutPoint() { + let line = this.getCalloutLine(); + if (line) + return line[0]; + return undefined; + } + setCalloutPoint(p) { + libmupdf._wasm_pdf_set_annot_callout_point(this.pointer, POINT(p)); + } + getColor() { + return fromAnnotColor(libmupdf._wasm_pdf_annot_color(this.pointer, COLOR())); + } + getInteriorColor() { + return fromAnnotColor(libmupdf._wasm_pdf_annot_interior_color(this.pointer, COLOR())); + } + setColor(color) { + checkAnnotColor(color); + libmupdf._wasm_pdf_set_annot_color(this.pointer, color.length, COLOR(color)); + } + setInteriorColor(color) { + checkAnnotColor(color); + libmupdf._wasm_pdf_set_annot_interior_color(this.pointer, color.length, COLOR(color)); + } + getBorderWidth() { + return libmupdf._wasm_pdf_annot_border_width(this.pointer); + } + setBorderWidth(value) { + checkType(value, "number"); + return libmupdf._wasm_pdf_set_annot_border_width(this.pointer, value); + } + getBorderStyle() { + return PDFAnnotation.BORDER_STYLE[libmupdf._wasm_pdf_annot_border_style(this.pointer)] || "Solid"; + } + setBorderStyle(value) { + let value_ix = ENUM(value, PDFAnnotation.BORDER_STYLE); + return libmupdf._wasm_pdf_set_annot_border_style(this.pointer, value_ix); + } + getBorderEffect() { + return PDFAnnotation.BORDER_EFFECT[libmupdf._wasm_pdf_annot_border_effect(this.pointer)] || "None"; + } + setBorderEffect(value) { + let value_ix = ENUM(value, PDFAnnotation.BORDER_EFFECT); + return libmupdf._wasm_pdf_set_annot_border_effect(this.pointer, value_ix); + } + getBorderEffectIntensity() { + return libmupdf._wasm_pdf_annot_border_effect_intensity(this.pointer); + } + setBorderEffectIntensity(value) { + checkType(value, "number"); + return libmupdf._wasm_pdf_set_annot_border_effect_intensity(this.pointer, value); + } + getBorderDashCount() { + return libmupdf._wasm_pdf_annot_border_dash_count(this.pointer); + } + getBorderDashItem(idx) { + return libmupdf._wasm_pdf_annot_border_dash_item(this.pointer, idx); + } + clearBorderDash() { + libmupdf._wasm_pdf_clear_annot_border_dash(this.pointer); + } + addBorderDashItem(v) { + checkType(v, "number"); + return libmupdf._wasm_pdf_add_annot_border_dash_item(this.pointer, v); + } + getBorderDashPattern() { + let n = this.getBorderDashCount(); + let result = new Array(n); + for (let i = 0; i < n; ++i) + result[i] = this.getBorderDashItem(i); + return result; + } + setBorderDashPattern(list) { + this.clearBorderDash(); + for (let v of list) + this.addBorderDashItem(v); + } + getIntent() { + return PDFAnnotation.INTENT[libmupdf._wasm_pdf_annot_intent(this.pointer)] || null; + } + setIntent(value) { + let value_ix = ENUM(value, PDFAnnotation.INTENT); + return libmupdf._wasm_pdf_set_annot_intent(this.pointer, value_ix); + } + setDefaultAppearance(fontName, size, color) { + checkType(fontName, "string"); + checkType(size, "number"); + checkAnnotColor(color); + libmupdf._wasm_pdf_set_annot_default_appearance(this.pointer, STRING(fontName), size, color.length, COLOR(color)); + } + getDefaultAppearance() { + let font = fromString(libmupdf._wasm_pdf_annot_default_appearance_font(this.pointer)); + let size = libmupdf._wasm_pdf_annot_default_appearance_size(this.pointer); + let color = fromAnnotColor(libmupdf._wasm_pdf_annot_default_appearance_color(this.pointer, COLOR())); + return { font, size, color }; + } + getFileSpec() { + return this._doc._fromPDFObjectKeep(libmupdf._wasm_pdf_annot_filespec(this.pointer)); + } + setFileSpec(fs) { + return libmupdf._wasm_pdf_set_annot_filespec(this.pointer, this._doc._PDFOBJ(fs)); + } + getQuadPoints() { + let n = libmupdf._wasm_pdf_annot_quad_point_count(this.pointer); + let result = []; + for (let i = 0; i < n; ++i) + result.push(fromQuad(libmupdf._wasm_pdf_annot_quad_point(this.pointer, i))); + return result; + } + clearQuadPoints() { + libmupdf._wasm_pdf_clear_annot_quad_points(this.pointer); + } + addQuadPoint(quad) { + checkQuad(quad); + libmupdf._wasm_pdf_add_annot_quad_point(this.pointer, QUAD(quad)); + } + setQuadPoints(quadlist) { + this.clearQuadPoints(); + for (let quad of quadlist) + this.addQuadPoint(quad); + } + getVertices() { + let n = libmupdf._wasm_pdf_annot_vertex_count(this.pointer); + let result = new Array(n); + for (let i = 0; i < n; ++i) + result[i] = fromPoint(libmupdf._wasm_pdf_annot_vertex(this.pointer, i)); + return result; + } + clearVertices() { + libmupdf._wasm_pdf_clear_annot_vertices(this.pointer); + } + addVertex(vertex) { + checkPoint(vertex); + libmupdf._wasm_pdf_add_annot_vertex(this.pointer, POINT(vertex)); + } + setVertices(vertexlist) { + this.clearVertices(); + for (let vertex of vertexlist) + this.addVertex(vertex); + } + getInkList() { + let n = libmupdf._wasm_pdf_annot_ink_list_count(this.pointer); + let outer = []; + for (let i = 0; i < n; ++i) { + let m = libmupdf._wasm_pdf_annot_ink_list_stroke_count(this.pointer, i); + let inner = new Array(m); + for (let k = 0; k < m; ++k) + inner[k] = fromPoint(libmupdf._wasm_pdf_annot_ink_list_stroke_vertex(this.pointer, i, k)); + outer.push(inner); + } + return outer; + } + clearInkList() { + libmupdf._wasm_pdf_clear_annot_ink_list(this.pointer); + } + addInkListStroke() { + libmupdf._wasm_pdf_add_annot_ink_list_stroke(this.pointer); + } + addInkListStrokeVertex(v) { + checkPoint(v); + libmupdf._wasm_pdf_add_annot_ink_list_stroke_vertex(this.pointer, POINT(v)); + } + setInkList(inklist) { + this.clearInkList(); + for (let stroke of inklist) { + this.addInkListStroke(); + for (let vertex of stroke) + this.addInkListStrokeVertex(vertex); + } + } + getRichContents() { + return fromString(libmupdf._wasm_pdf_annot_rich_contents(this.pointer)); + } + setRichContents(plain, html) { + checkType(plain, "string"); + checkType(html, "string"); + libmupdf._wasm_pdf_set_annot_rich_contents(this.pointer, STRING(plain), STRING2(html)); + } + getRichDefaults() { + return fromString(libmupdf._wasm_pdf_annot_rich_defaults(this.pointer)); + } + setRichDefaults(style) { + checkType(style, "string"); + libmupdf._wasm_pdf_set_annot_rich_defaults(this.pointer, STRING(style)); + } + setStampImage(image) { + libmupdf._wasm_pdf_set_annot_stamp_image(this.pointer, image.pointer); + } + setAppearanceFromDisplayList(appearance, state, transform, list) { + checkMatrix(transform); + checkType(list, DisplayList); + libmupdf._wasm_pdf_set_annot_appearance_from_display_list(this.pointer, STRING_OPT(appearance), STRING2_OPT(state), MATRIX(transform), list.pointer); + } + setAppearance(appearance, state, transform, bbox, resources, contents) { + checkMatrix(transform); + checkRect(bbox); + libmupdf._wasm_pdf_set_annot_appearance(this.pointer, STRING_OPT(appearance), STRING2_OPT(state), MATRIX(transform), RECT(bbox), this._doc._PDFOBJ(resources), BUFFER(contents)); + } + applyRedaction(black_boxes = 1, image_method = 2, line_art_method = 1, text_method = 0) { + libmupdf._wasm_pdf_apply_redaction(this.pointer, black_boxes, image_method, line_art_method, text_method); + } +} +PDFAnnotation._drop = libmupdf._wasm_pdf_drop_annot; +/* IMPORTANT: Keep in sync with mupdf/pdf/annot.h and PDFAnnotation.java */ +PDFAnnotation.ANNOT_TYPES = [ + "Text", + "Link", + "FreeText", + "Line", + "Square", + "Circle", + "Polygon", + "PolyLine", + "Highlight", + "Underline", + "Squiggly", + "StrikeOut", + "Redact", + "Stamp", + "Caret", + "Ink", + "Popup", + "FileAttachment", + "Sound", + "Movie", + "RichMedia", + "Widget", + "Screen", + "PrinterMark", + "TrapNet", + "Watermark", + "3D", + "Projection", +]; +PDFAnnotation.LINE_ENDING = [ + "None", + "Square", + "Circle", + "Diamond", + "OpenArrow", + "ClosedArrow", + "Butt", + "ROpenArrow", + "RClosedArrow", + "Slash", +]; +PDFAnnotation.BORDER_STYLE = ["Solid", "Dashed", "Beveled", "Inset", "Underline"]; +PDFAnnotation.BORDER_EFFECT = ["None", "Cloudy"]; +PDFAnnotation.INTENT = [ + null, + "FreeTextCallout", + "FreeTextTypeWriter", + "LineArrow", + "LineDimension", + "PloyLine", + "PolygonCloud", + "PolygonDimension", + "StampImage", + "StampSnapshot" +]; +// Bit masks for getFlags and setFlags +PDFAnnotation.IS_INVISIBLE = 1 << (1 - 1); +PDFAnnotation.IS_HIDDEN = 1 << (2 - 1); +PDFAnnotation.IS_PRINT = 1 << (3 - 1); +PDFAnnotation.IS_NO_ZOOM = 1 << (4 - 1); +PDFAnnotation.IS_NO_ROTATE = 1 << (5 - 1); +PDFAnnotation.IS_NO_VIEW = 1 << (6 - 1); +PDFAnnotation.IS_READ_ONLY = 1 << (7 - 1); +PDFAnnotation.IS_LOCKED = 1 << (8 - 1); +PDFAnnotation.IS_TOGGLE_NO_VIEW = 1 << (9 - 1); +PDFAnnotation.IS_LOCKED_CONTENTS = 1 << (10 - 1); +export class PDFWidget extends PDFAnnotation { + getFieldType() { + return PDFWidget.WIDGET_TYPES[libmupdf._wasm_pdf_annot_field_type(this.pointer)] || "button"; + } + isButton() { + let type = this.getFieldType(); + return type === "button" || type === "checkbox" || type === "radiobutton"; + } + isPushButton() { + return this.getFieldType() === "button"; + } + isCheckbox() { + return this.getFieldType() === "checkbox"; + } + isRadioButton() { + return this.getFieldType() === "radiobutton"; + } + isText() { + return this.getFieldType() === "text"; + } + isChoice() { + let type = this.getFieldType(); + return type === "combobox" || type === "listbox"; + } + isListBox() { + return this.getFieldType() === "listbox"; + } + isComboBox() { + return this.getFieldType() === "combobox"; + } + getFieldFlags() { + return libmupdf._wasm_pdf_annot_field_flags(this.pointer); + } + isMultiline() { + return (this.getFieldFlags() & PDFWidget.TX_FIELD_IS_MULTILINE) !== 0; + } + isPassword() { + return (this.getFieldFlags() & PDFWidget.TX_FIELD_IS_PASSWORD) !== 0; + } + isComb() { + return (this.getFieldFlags() & PDFWidget.TX_FIELD_IS_COMB) !== 0; + } + isReadOnly() { + return (this.getFieldFlags() & PDFWidget.FIELD_IS_READ_ONLY) !== 0; + } + getLabel() { + return fromString(libmupdf._wasm_pdf_annot_field_label(this.pointer)); + } + getName() { + return fromStringFree(libmupdf._wasm_pdf_load_field_name(this.pointer)); + } + setName() { + throw new Error("widget field name is read-only"); + } + getValue() { + return fromString(libmupdf._wasm_pdf_annot_field_value(this.pointer)); + } + setTextValue(value) { + return libmupdf._wasm_pdf_set_annot_text_field_value(this.pointer, STRING(value)); + } + getMaxLen() { + return libmupdf._wasm_pdf_annot_text_widget_max_len(this.pointer); + } + setChoiceValue(value) { + return libmupdf._wasm_pdf_set_annot_choice_field_value(this.pointer, STRING(value)); + } + getOptions(isExport = false) { + let result = []; + let n = libmupdf._wasm_pdf_annot_choice_field_option_count(this.pointer); + for (let i = 0; i < n; ++i) { + result.push(fromString(libmupdf._wasm_pdf_annot_choice_field_option(this.pointer, isExport, i))); + } + return result; + } + toggle() { + return libmupdf._wasm_pdf_toggle_widget(this.pointer); + } +} +/* IMPORTANT: Keep in sync with mupdf/pdf/widget.h and PDFWidget.java */ +PDFWidget.WIDGET_TYPES = [ + "widget", // unknown + "button", + "checkbox", + "combobox", + "listbox", + "radiobutton", + "signature", + "text", +]; +/* Field flags */ +PDFWidget.FIELD_IS_READ_ONLY = 1; +PDFWidget.FIELD_IS_REQUIRED = 1 << 1; +PDFWidget.FIELD_IS_NO_EXPORT = 1 << 2; +/* Text fields */ +PDFWidget.TX_FIELD_IS_MULTILINE = 1 << 12; +PDFWidget.TX_FIELD_IS_PASSWORD = 1 << 13; +PDFWidget.TX_FIELD_IS_FILE_SELECT = 1 << 20; +PDFWidget.TX_FIELD_IS_DO_NOT_SPELL_CHECK = 1 << 22; +PDFWidget.TX_FIELD_IS_DO_NOT_SCROLL = 1 << 23; +PDFWidget.TX_FIELD_IS_COMB = 1 << 24; +PDFWidget.TX_FIELD_IS_RICH_TEXT = 1 << 25; +/* Button fields */ +PDFWidget.BTN_FIELD_IS_NO_TOGGLE_TO_OFF = 1 << 14; +PDFWidget.BTN_FIELD_IS_RADIO = 1 << 15; +PDFWidget.BTN_FIELD_IS_PUSHBUTTON = 1 << 16; +PDFWidget.BTN_FIELD_IS_RADIOS_IN_UNISON = 1 << 25; +/* Choice fields */ +PDFWidget.CH_FIELD_IS_COMBO = 1 << 17; +PDFWidget.CH_FIELD_IS_EDIT = 1 << 18; +PDFWidget.CH_FIELD_IS_SORT = 1 << 19; +PDFWidget.CH_FIELD_IS_MULTI_SELECT = 1 << 21; +PDFWidget.CH_FIELD_IS_DO_NOT_SPELL_CHECK = 1 << 22; +PDFWidget.CH_FIELD_IS_COMMIT_ON_SEL_CHANGE = 1 << 25; +var $libmupdf_stm_id = 0; +var $libmupdf_stm_table = new Map(); +globalThis.$libmupdf_stm_close = function (id) { + let handle = $libmupdf_stm_table.get(id); + if (handle) { + handle.close(); + $libmupdf_stm_table.delete(id); + return; + } + throw new Error("invalid file handle"); +}; +globalThis.$libmupdf_stm_seek = function (id, pos, offset, whence) { + let handle = $libmupdf_stm_table.get(id); + if (handle) { + if (whence === 0) + return offset; + if (whence === 1) + return pos + offset; + if (whence === 2) { + let size = handle.fileSize(); + if (size < 0) + return -1; + return size + offset; + } + throw new Error("invalid whence argument"); + } + throw new Error("invalid file handle"); +}; +globalThis.$libmupdf_stm_read = function (id, pos, addr, size) { + let handle = $libmupdf_stm_table.get(id); + if (handle) { + return handle.read(libmupdf.HEAPU8, addr, size, pos); + } + throw new Error("invalid file handle"); +}; +export class Stream extends Userdata { + constructor(handle) { + let id = $libmupdf_stm_id++; + $libmupdf_stm_table.set(id, handle); + super(libmupdf._wasm_new_stream(id)); + } +} +Stream._drop = libmupdf._wasm_drop_stream; +/* -------------------------------------------------------------------------- */ +var $libmupdf_load_font_file_js; +globalThis.$libmupdf_load_font_file = function (name, script, bold, italic) { + if ($libmupdf_load_font_file_js) { + var font = $libmupdf_load_font_file_js(fromString(name), fromString(script), bold, italic); + if (font) { + checkType(font, Font); + return font.pointer; + } + } + return 0; +}; +var $libmupdf_device_id = 0; +var $libmupdf_device_table = new Map(); +var $libmupdf_path_id = 0; +var $libmupdf_path_table = new Map(); +var $libmupdf_text_id = 0; +var $libmupdf_text_table = new Map(); +globalThis.$libmupdf_path_walk = { + moveto(id, x, y) { + $libmupdf_path_table.get(id)?.moveTo?.(x, y); + }, + lineto(id, x, y) { + $libmupdf_path_table.get(id)?.lineTo?.(x, y); + }, + curveto(id, x1, y1, x2, y2, x3, y3) { + $libmupdf_path_table.get(id)?.curveTo?.(x1, y1, x2, y2, x3, y3); + }, + closepath(id) { + $libmupdf_path_table.get(id)?.closePath?.(); + }, +}; +var $libmupdf_text_font = null; +globalThis.$libmupdf_text_walk = { + begin_span(id, font, trm, wmode, bidi, dir, lang) { + if (font !== $libmupdf_text_font?.pointer) + $libmupdf_text_font = new Font(font); + $libmupdf_text_table.get(id)?.beginSpan?.($libmupdf_text_font, fromMatrix(trm), wmode, bidi, dir, fromString(lang)); + }, + end_span(id) { + $libmupdf_text_table.get(id)?.endSpan?.(); + }, + show_glyph(id, font, trm, glyph, unicode, wmode, bidi) { + if (font !== $libmupdf_text_font?.pointer) + $libmupdf_text_font = new Font(font); + $libmupdf_text_table.get(id)?.showGlyph?.($libmupdf_text_font, fromMatrix(trm), glyph, unicode, wmode, bidi); + }, +}; +globalThis.$libmupdf_device = { + drop_device(id) { + $libmupdf_device_table.get(id)?.drop?.(); + $libmupdf_device_table.delete(id); + }, + close_device(id) { + $libmupdf_device_table.get(id)?.close?.(); + }, + fill_path(id, path, even_odd, ctm, colorspace, color_n, color_arr, alpha) { + $libmupdf_device_table.get(id)?.fillPath?.(new Path(libmupdf._wasm_keep_path(path)), !!even_odd, fromMatrix(ctm), new ColorSpace(libmupdf._wasm_keep_colorspace(colorspace)), fromColorArray(color_n, color_arr), alpha); + }, + clip_path(id, path, even_odd, ctm) { + $libmupdf_device_table.get(id)?.clipPath?.(new Path(libmupdf._wasm_keep_path(path)), !!even_odd, fromMatrix(ctm)); + }, + stroke_path(id, path, stroke, ctm, colorspace, color_n, color_arr, alpha) { + $libmupdf_device_table.get(id)?.strokePath?.(new Path(libmupdf._wasm_keep_path(path)), new StrokeState(libmupdf._wasm_keep_stroke_state(stroke)), fromMatrix(ctm), new ColorSpace(libmupdf._wasm_keep_colorspace(colorspace)), fromColorArray(color_n, color_arr), alpha); + }, + clip_stroke_path(id, path, stroke, ctm) { + $libmupdf_device_table.get(id)?.clipStrokePath?.(new Path(libmupdf._wasm_keep_path(path)), new StrokeState(libmupdf._wasm_keep_stroke_state(stroke)), fromMatrix(ctm)); + }, + fill_text(id, text, ctm, colorspace, color_n, color_arr, alpha) { + $libmupdf_device_table.get(id)?.fillText?.(new Text(libmupdf._wasm_keep_text(text)), fromMatrix(ctm), new ColorSpace(libmupdf._wasm_keep_colorspace(colorspace)), fromColorArray(color_n, color_arr), alpha); + }, + stroke_text(id, text, stroke, ctm, colorspace, color_n, color_arr, alpha) { + $libmupdf_device_table.get(id)?.strokeText?.(new Text(libmupdf._wasm_keep_text(text)), new StrokeState(libmupdf._wasm_keep_stroke_state(stroke)), fromMatrix(ctm), new ColorSpace(libmupdf._wasm_keep_colorspace(colorspace)), fromColorArray(color_n, color_arr), alpha); + }, + clip_text(id, text, ctm) { + $libmupdf_device_table.get(id)?.clipText?.(new Text(libmupdf._wasm_keep_text(text)), fromMatrix(ctm)); + }, + clip_stroke_text(id, text, stroke, ctm) { + $libmupdf_device_table.get(id)?.clipStrokeText?.(new Text(libmupdf._wasm_keep_text(text)), new StrokeState(libmupdf._wasm_keep_stroke_state(stroke)), fromMatrix(ctm)); + }, + ignore_text(id, text, ctm) { + $libmupdf_device_table.get(id)?.ignoreText?.(new Text(libmupdf._wasm_keep_text(text)), fromMatrix(ctm)); + }, + fill_shade(id, shade, ctm, alpha) { + $libmupdf_device_table.get(id)?.fillShade?.(new Shade(shade), fromMatrix(ctm), alpha); + }, + fill_image(id, image, ctm, alpha) { + $libmupdf_device_table.get(id)?.fillImage?.(new Image(image), fromMatrix(ctm), alpha); + }, + fill_image_mask(id, image, ctm, colorspace, color_n, color_arr, alpha) { + $libmupdf_device_table.get(id)?.fillImageMask?.(new Image(image), fromMatrix(ctm), new ColorSpace(libmupdf._wasm_keep_colorspace(colorspace)), fromColorArray(color_n, color_arr), alpha); + }, + clip_image_mask(id, image, ctm) { + $libmupdf_device_table.get(id)?.clipImageMask?.(new Image(image), fromMatrix(ctm)); + }, + pop_clip(id) { + $libmupdf_device_table.get(id)?.popClip?.(); + }, + begin_mask(id, bbox, luminosity, colorspace, color_n, color_arr) { + $libmupdf_device_table.get(id)?.beginMask?.(fromRect(bbox), !!luminosity, new ColorSpace(libmupdf._wasm_keep_colorspace(colorspace)), fromColorArray(color_n, color_arr)); + }, + begin_group(id, bbox, colorspace, isolated, knockout, blendmode, alpha) { + $libmupdf_device_table.get(id)?.beginGroup?.(fromRect(bbox), new ColorSpace(libmupdf._wasm_keep_colorspace(colorspace)), !!isolated, !!knockout, Device.BLEND_MODES[blendmode], alpha); + }, + begin_tile(id, area, view, xstep, ystep, ctm, tile_id, doc_id) { + return $libmupdf_device_table.get(id)?.beginTile?.(fromRect(area), fromRect(view), xstep, ystep, fromMatrix(ctm), tile_id, doc_id) || 0; + }, + begin_layer(id, name) { + $libmupdf_device_table.get(id)?.beginLayer?.(fromString(name)); + }, + end_mask(id) { + $libmupdf_device_table.get(id)?.endMask?.(); + }, + end_group(id) { + $libmupdf_device_table.get(id)?.endGroup?.(); + }, + end_tile(id) { + $libmupdf_device_table.get(id)?.endTile?.(); + }, + end_layer(id) { + $libmupdf_device_table.get(id)?.endLayer?.(); + }, +}; +/* default exports */ +export default { + // const + Matrix, + Rect, + // function + enableICC, + disableICC, + setUserCSS, + installLoadFontFunction, + setLog, + // class + Buffer, + ColorSpace, + Font, + Image, + StrokeState, + Path, + Text, + DisplayList, + Pixmap, + Shade, + StructuredText, + Device, + DrawDevice, + DisplayListDevice, + DocumentWriter, + Document, + OutlineIterator, + Link, + Page, + PDFDocument, + PDFPage, + PDFObject, + PDFGraftMap, + PDFAnnotation, + PDFWidget, + Stream, + // debugging + memento +}; diff --git a/scripts/build-apk.mjs b/scripts/build-apk.mjs new file mode 100644 index 0000000..56540d6 --- /dev/null +++ b/scripts/build-apk.mjs @@ -0,0 +1,228 @@ +import fs from 'node:fs' +import path from 'node:path' +import { execFileSync } from 'node:child_process' +import AdmZip from 'adm-zip' + +const root = process.cwd() +const devRoot = process.env.ANDROID_DEV_ROOT || 'E:\\AiCodeGitea\\ven\\AndroidDev' +const jdkHome = fs.existsSync(path.join(process.env.JAVA_HOME || '', 'bin', 'java.exe')) + ? process.env.JAVA_HOME + : path.join(devRoot, 'jdk17') +const sdkHome = fs.existsSync(path.join(process.env.ANDROID_HOME || '', 'platforms')) + ? process.env.ANDROID_HOME + : path.join(devRoot, 'Sdk') +const gradleHome = path.join(devRoot, 'gradle-8.7') +const buildTools = path.join(sdkHome, 'build-tools', '34.0.0') +const androidJar = path.join(sdkHome, 'platforms', 'android-34', 'android.jar') +const java = path.join(jdkHome, 'bin', 'java.exe') +const jar = path.join(jdkHome, 'bin', 'jar.exe') +const keytool = path.join(jdkHome, 'bin', 'keytool.exe') +const kotlincJars = path.join(gradleHome, 'lib', '*') +const kotlinStdlib = fs + .readdirSync(path.join(gradleHome, 'lib')) + .filter((name) => /^kotlin-stdlib-[\d.]+\.jar$/.test(name)) + .sort() + .pop() +if (!kotlinStdlib) throw new Error('kotlin-stdlib not found in Gradle lib') + +const env = { + ...process.env, + JAVA_HOME: jdkHome, + ANDROID_HOME: sdkHome, + ANDROID_SDK_ROOT: sdkHome, + PATH: [ + path.join(jdkHome, 'bin'), + buildTools, + path.join(sdkHome, 'platform-tools'), + process.env.PATH || '' + ].join(';') +} + +const appDir = path.join(root, 'android', 'app', 'src', 'main') +const manifest = path.join(appDir, 'AndroidManifest.xml') +const resDir = path.join(appDir, 'res') +const assetsDir = path.join(appDir, 'assets') +const wwwDir = path.join(assetsDir, 'www') +const sourceDir = path.join(appDir, 'java') +const outDir = path.join(root, 'android', 'build') +const classesDir = path.join(outDir, 'classes') +const dexDir = path.join(outDir, 'dex') +const apkName = 'PhoneViewer-0.4.1.apk' + +function run(command, args, options = {}) { + console.log('>', path.basename(command), args.join(' ')) + execFileSync(command, args, { stdio: 'inherit', env, ...options }) +} + +function runBat(batFile, args, options = {}) { + run('cmd.exe', ['/c', batFile, ...args], options) +} + +fs.rmSync(outDir, { recursive: true, force: true }) +fs.mkdirSync(outDir, { recursive: true }) +fs.mkdirSync(classesDir, { recursive: true }) +fs.mkdirSync(dexDir, { recursive: true }) + +console.log('== building web assets ==') +run('cmd.exe', ['/c', 'npm run build'], { cwd: root }) + +console.log('== copying web assets into Android assets ==') +fs.rmSync(wwwDir, { recursive: true, force: true }) +fs.mkdirSync(wwwDir, { recursive: true }) +fs.cpSync(path.join(root, 'dist'), wwwDir, { recursive: true }) +for (const name of fs.readdirSync(wwwDir)) { + if (name === 'sw.js' || name.startsWith('workbox-')) { + fs.rmSync(path.join(wwwDir, name), { force: true }) + } +} + +console.log('== compiling Kotlin ==') +const kotlinFiles = [] +function walk(dir) { + for (const entry of fs.readdirSync(dir, { withFileTypes: true })) { + const full = path.join(dir, entry.name) + if (entry.isDirectory()) walk(full) + else if (entry.name.endsWith('.kt')) kotlinFiles.push(full) + } +} +walk(sourceDir) +run(java, [ + '-cp', + kotlincJars, + 'org.jetbrains.kotlin.cli.jvm.K2JVMCompiler', + '-no-stdlib', + '-no-reflect', + '-classpath', + `${androidJar};${path.join(gradleHome, 'lib', kotlinStdlib)}`, + '-jvm-target', + '17', + '-d', + classesDir, + ...kotlinFiles +]) + +console.log('== creating classes.jar ==') +const classesJar = path.join(outDir, 'classes.jar') +run(jar, ['cf', classesJar, '-C', classesDir, '.']) + +console.log('== dexing with d8 ==') +runBat(path.join(buildTools, 'd8.bat'), [ + '--release', + '--lib', + androidJar, + '--min-api', + '26', + '--output', + dexDir, + classesJar, + path.join(gradleHome, 'lib', kotlinStdlib) +]) + +console.log('== compiling resources ==') +const resZip = path.join(outDir, 'resources.zip') +run(path.join(buildTools, 'aapt2.exe'), ['compile', '-o', resZip, '--dir', resDir]) + +console.log('== linking base apk ==') +const baseApk = path.join(outDir, 'base.apk') +run(path.join(buildTools, 'aapt2.exe'), [ + 'link', + '-o', + baseApk, + '-I', + androidJar, + '--manifest', + manifest, + '-R', + resZip, + '--min-sdk-version', + '26', + '--target-sdk-version', + '34', + '--version-code', + '5', + '--version-name', + '0.4.1', + '--auto-add-overlay' +]) + +console.log('== adding assets and classes.dex ==') +const unsigned = path.join(outDir, 'unsigned.apk') +fs.rmSync(unsigned, { force: true }) +const zip = new AdmZip(baseApk) + +function addDirectoryToZip(directory, prefix) { + for (const entry of fs.readdirSync(directory, { withFileTypes: true })) { + const full = path.join(directory, entry.name) + const name = `${prefix}/${entry.name}` + if (entry.isDirectory()) addDirectoryToZip(full, name) + else zip.addFile(name, fs.readFileSync(full)) + } +} + +addDirectoryToZip(wwwDir, 'assets/www') +for (const dex of fs.readdirSync(dexDir).filter((name) => name.endsWith('.dex'))) { + zip.addFile(dex, fs.readFileSync(path.join(dexDir, dex))) +} +zip.writeZip(unsigned) + +console.log('== zipalign ==') +const aligned = path.join(outDir, 'aligned.apk') +run(path.join(buildTools, 'zipalign.exe'), ['-p', '-f', '4', unsigned, aligned]) + +console.log('== signing ==') +const keystoreDir = path.join(root, 'android', 'keystore') +const keystore = path.join(keystoreDir, 'phoneviewer.jks') +const storePass = process.env.PHONEVIEWER_KEYSTORE_PASS +const keyPass = process.env.PHONEVIEWER_KEY_PASS ?? storePass +if (!storePass) { + throw new Error('Set PHONEVIEWER_KEYSTORE_PASS before building the signed APK.') +} +const alias = 'phoneviewer' +if (!fs.existsSync(keystore)) { + fs.mkdirSync(keystoreDir, { recursive: true }) + run(keytool, [ + '-genkeypair', + '-v', + '-keystore', + keystore, + '-storetype', + 'JKS', + '-alias', + alias, + '-keyalg', + 'RSA', + '-keysize', + '2048', + '-validity', + '10000', + '-storepass', + storePass, + '-keypass', + keyPass, + '-dname', + 'CN=PhoneViewer, OU=Android, O=PhoneViewer, L=Beijing, ST=Beijing, C=CN', + '-noprompt' + ]) +} +const finalApk = path.join(outDir, apkName) +runBat(path.join(buildTools, 'apksigner.bat'), [ + 'sign', + '--ks', + keystore, + '--ks-key-alias', + alias, + '--ks-pass', + `pass:${storePass}`, + '--key-pass', + `pass:${keyPass}`, + '--out', + finalApk, + aligned +]) +runBat(path.join(buildTools, 'apksigner.bat'), ['verify', '--verbose', '--print-certs', finalApk]) + +const rootApk = path.join(root, apkName) +fs.copyFileSync(finalApk, rootApk) +console.log('') +console.log('APK ready:', rootApk) +console.log('APK size:', (fs.statSync(rootApk).size / 1024 / 1024).toFixed(2), 'MB') diff --git a/scripts/make-icons.mjs b/scripts/make-icons.mjs new file mode 100644 index 0000000..3151251 --- /dev/null +++ b/scripts/make-icons.mjs @@ -0,0 +1,174 @@ +import fs from 'node:fs' +import path from 'node:path' +import zlib from 'node:zlib' + +const OUT = path.resolve('public/icons') +fs.mkdirSync(OUT, { recursive: true }) + +const CRC_TABLE = (() => { + const table = new Uint32Array(256) + for (let n = 0; n < 256; n++) { + let c = n + for (let k = 0; k < 8; k++) c = c & 1 ? 0xedb88320 ^ (c >>> 1) : c >>> 1 + table[n] = c >>> 0 + } + return table +})() + +function crc32(buf) { + let c = 0xffffffff + for (const b of buf) c = CRC_TABLE[(c ^ b) & 0xff] ^ (c >>> 8) + return (c ^ 0xffffffff) >>> 0 +} + +function chunk(type, data) { + const len = Buffer.alloc(4) + len.writeUInt32BE(data.length, 0) + const t = Buffer.from(type, 'ascii') + const crc = Buffer.alloc(4) + crc.writeUInt32BE(crc32(Buffer.concat([t, data])), 0) + return Buffer.concat([len, t, data, crc]) +} + +function encodePng(width, height, rgba) { + const ihdr = Buffer.alloc(13) + ihdr.writeUInt32BE(width, 0) + ihdr.writeUInt32BE(height, 4) + ihdr[8] = 8 + ihdr[9] = 6 + ihdr[10] = 0 + ihdr[11] = 0 + ihdr[12] = 0 + const raw = Buffer.alloc((width * 4 + 1) * height) + for (let y = 0; y < height; y++) { + raw[y * (width * 4 + 1)] = 0 + rgba.copy(raw, y * (width * 4 + 1) + 1, y * width * 4, (y + 1) * width * 4) + } + const idat = zlib.deflateSync(raw, { level: 9 }) + return Buffer.concat([ + Buffer.from([0x89, 0x50, 0x4e, 0x47, 0x0d, 0x0a, 0x1a, 0x0a]), + chunk('IHDR', ihdr), + chunk('IDAT', idat), + chunk('IEND', Buffer.alloc(0)) + ]) +} + +function clamp01(v) { + return v < 0 ? 0 : v > 1 ? 1 : v +} + +function mix(a, b, t) { + return [a[0] + (b[0] - a[0]) * t, a[1] + (b[1] - a[1]) * t, a[2] + (b[2] - a[2]) * t] +} + +function roundedRectInside(x, y, cx, cy, hw, hh, r) { + const dx = Math.abs(x - cx) - (hw - r) + const dy = Math.abs(y - cy) - (hh - r) + const ox = Math.max(dx, 0) + const oy = Math.max(dy, 0) + return Math.hypot(ox, oy) + Math.min(Math.max(dx, dy), 0) - r <= 0 +} + +function segmentDistance(px, py, ax, ay, bx, by) { + const dx = bx - ax + const dy = by - ay + const len2 = dx * dx + dy * dy || 1 + let t = ((px - ax) * dx + (py - ay) * dy) / len2 + t = t < 0 ? 0 : t > 1 ? 1 : t + return Math.hypot(px - (ax + dx * t), py - (ay + dy * t)) +} + +function ringInside(px, py, cx, cy, r, width) { + return Math.abs(Math.hypot(px - cx, py - cy) - r) <= width / 2 +} + +function arcInside(px, py, cx, cy, r, width, a0, a1) { + if (!ringInside(px, py, cx, cy, r, width)) return false + let a = Math.atan2(py - cy, px - cx) + while (a < a0) a += Math.PI * 2 + return a <= a1 +} + +function samplePlan(x, y, pad) { + const sx = (x - pad) / (1 - pad * 2) + const sy = (y - pad) / (1 - pad * 2) + const line = 0.048 + const l = 0.022 + // outer wall + if (segmentDistance(sx, sy, 0.2, 0.3, 0.8, 0.3) < line / 2) return true + if (segmentDistance(sx, sy, 0.8, 0.3, 0.8, 0.7) < line / 2) return true + if (segmentDistance(sx, sy, 0.8, 0.7, 0.2, 0.7) < line / 2) return true + if (segmentDistance(sx, sy, 0.2, 0.7, 0.2, 0.3) < line / 2) return true + // inner walls + if (segmentDistance(sx, sy, 0.52, 0.3, 0.52, 0.7) < l) return true + if (segmentDistance(sx, sy, 0.52, 0.5, 0.8, 0.5) < l) return true + // door swing + if (arcInside(sx, sy, 0.52, 0.5, 0.15, l * 1.2, -Math.PI / 2, 0)) return true + if (segmentDistance(sx, sy, 0.52, 0.5, 0.52, 0.65) < l * 0.9) return true + // round table + if (ringInside(sx, sy, 0.34, 0.42, 0.075, l * 1.3)) return true + if (ringInside(sx, sy, 0.34, 0.42, 0.028, l)) return true + // bed + if (segmentDistance(sx, sy, 0.58, 0.57, 0.74, 0.57) < l * 0.9) return true + if (segmentDistance(sx, sy, 0.74, 0.57, 0.74, 0.66) < l * 0.9) return true + if (segmentDistance(sx, sy, 0.74, 0.66, 0.58, 0.66) < l * 0.9) return true + if (segmentDistance(sx, sy, 0.58, 0.66, 0.58, 0.57) < l * 0.9) return true + return false +} + +function render(size, { maskable = false, fullSquare = false } = {}) { + const aa = 4 + const w = size * aa + const rgba = Buffer.alloc(size * size * 4) + const pad = maskable ? 0.2 : 0.14 + const bgTop = [96, 156, 255] + const bgBottom = [29, 78, 216] + const bgDeep = [12, 22, 44] + for (let py = 0; py < size; py++) { + for (let px = 0; px < size; px++) { + let sr = 0 + let sg = 0 + let sb = 0 + let sa = 0 + for (let oy = 0; oy < aa; oy++) { + for (let ox = 0; ox < aa; ox++) { + const x = (px + (ox + 0.5) / aa) / size + const y = (py + (oy + 0.5) / aa) / size + const insideBg = fullSquare || roundedRectInside(x, y, 0.5, 0.5, 0.5, 0.5, 0.235) + if (!insideBg) continue + const t = clamp01((x + y) / 2.2) + let color = mix(bgTop, bgBottom, t) + const vignette = clamp01(Math.hypot(x - 0.3, y - 0.26) * 1.35) + color = mix(color, bgDeep, vignette * 0.24) + if (samplePlan(x, y, pad)) { + color = mix([255, 255, 255], [192, 219, 255], clamp01((x + y) / 2.4) * 0.45) + } + sr += color[0] + sg += color[1] + sb += color[2] + sa += 1 + } + } + const total = aa * aa + const i = (py * size + px) * 4 + if (sa === 0) { + rgba[i] = 0 + rgba[i + 1] = 0 + rgba[i + 2] = 0 + rgba[i + 3] = 0 + } else { + rgba[i] = Math.round(sr / sa) + rgba[i + 1] = Math.round(sg / sa) + rgba[i + 2] = Math.round(sb / sa) + rgba[i + 3] = Math.round((sa / total) * 255) + } + } + } + return encodePng(size, size, rgba) +} + +fs.writeFileSync(path.join(OUT, 'icon-192.png'), render(192)) +fs.writeFileSync(path.join(OUT, 'icon-512.png'), render(512)) +fs.writeFileSync(path.join(OUT, 'apple-touch-icon.png'), render(180, { fullSquare: true })) +fs.writeFileSync(path.join(OUT, 'icon-maskable-512.png'), render(512, { maskable: true, fullSquare: true })) +console.log('icons written to', OUT) diff --git a/scripts/patch-wasm-memory.mjs b/scripts/patch-wasm-memory.mjs new file mode 100644 index 0000000..5464889 --- /dev/null +++ b/scripts/patch-wasm-memory.mjs @@ -0,0 +1,86 @@ +import fs from 'node:fs' +import path from 'node:path' + +const source = process.argv[2] ?? 'node_modules/@mlightcad/libredwg-web/wasm/libredwg-web.wasm' +const target = process.argv[3] ?? 'public/vendor/libredwg/wasm/libredwg-web.wasm' +const INITIAL_PAGES = 4096 // 256 MiB; the module can still grow up to its 4 GiB maximum. +const MAX_PAGES = 65536 + +const buf = fs.readFileSync(source) +if (buf.readUInt32LE(0) !== 0x6d736100 || buf.readUInt32LE(4) !== 1) { + throw new Error('Not a WebAssembly module') +} + +function readU32(data, offset) { + let value = 0 + let shift = 0 + let pos = offset + while (true) { + const byte = data[pos++] + value += (byte & 0x7f) * 2 ** shift + if (!(byte & 0x80)) break + shift += 7 + if (shift > 35) throw new Error('Invalid LEB128 value') + } + return [value >>> 0, pos] +} + +function encodeU32(value) { + const bytes = [] + let v = value >>> 0 + do { + let byte = v & 0x7f + v >>>= 7 + if (v) byte |= 0x80 + bytes.push(byte) + } while (v) + return Buffer.from(bytes) +} + +function encodeSection(id, payload) { + return Buffer.concat([Buffer.from([id]), encodeU32(payload.length), payload]) +} + +const sections = [] +let pos = 8 +while (pos < buf.length) { + const id = buf[pos++] + const [size, afterSize] = readU32(buf, pos) + const payload = buf.subarray(afterSize, afterSize + size) + sections.push({ id, payload }) + pos = afterSize + size +} + +let patched = false +const output = [] +output.push(buf.subarray(0, 8)) +for (const section of sections) { + if (section.id === 5 && !patched) { + const [count, afterCount] = readU32(section.payload, 0) + if (count < 1) throw new Error('Memory section has no memory') + const flags = section.payload[afterCount] + if ((flags & 0x01) === 0) throw new Error('Memory has no maximum; refusing to patch') + const [oldMin, afterMin] = readU32(section.payload, afterCount + 1) + const [oldMax] = readU32(section.payload, afterMin) + if (oldMin !== 16384) throw new Error(`Unexpected initial memory: ${oldMin}`) + const payload = Buffer.concat([ + encodeU32(count), + Buffer.from([flags]), + encodeU32(INITIAL_PAGES), + encodeU32(MAX_PAGES), + section.payload.subarray(afterMin + encodeU32(oldMax).length) + ]) + output.push(encodeSection(5, payload)) + patched = true + console.log( + `patched memory: ${oldMin} -> ${INITIAL_PAGES} pages (${Math.round((INITIAL_PAGES * 64) / 1024)} MiB)` + ) + } else { + output.push(encodeSection(section.id, section.payload)) + } +} +if (!patched) throw new Error('Memory section not found') + +fs.mkdirSync(path.dirname(target), { recursive: true }) +fs.writeFileSync(target, Buffer.concat(output)) +console.log('wrote', target, fs.statSync(target).size, 'bytes') diff --git a/src/cad/acadAdapter.ts b/src/cad/acadAdapter.ts new file mode 100644 index 0000000..2fb51b7 --- /dev/null +++ b/src/cad/acadAdapter.ts @@ -0,0 +1,845 @@ +import './polyfills' +import { DwgReader } from '@node-projects/acad-ts' +import type { DwgDatabase } from '@mlightcad/libredwg-web' +import { IDENTITY, applyMat, matMul, matScaleAvg } from './geom' +import type { Mat } from './geom' +import { buildCadDocument } from './build' +import type { CadDocument } from './types' + +type AcadDoc = ReturnType +type AcadEntity = Record + +interface NormalizeState { + unknown: number +} + +interface BuildOptions { + fileName: string + fileSize: number + unknownCount: number + warnings: string[] +} + +const GRAPHICS = { + Extents: 1, + Circle: 2, + CirclePt3: 3, + CircularArc: 4, + CircularArc3Pt: 5, + Polyline: 6, + Polygon: 7, + Mesh: 8, + Shell: 9, + Text: 10, + Text2: 11, + XLine: 12, + Ray: 13, + SubentColor: 14, + SubentLayer: 16, + SubentLineType: 18, + SubentMarker: 19, + SubentFillon: 20, + SubentTrueColor: 22, + SubentLineWeight: 23, + SubentLineTypeScale: 24, + SubentThickness: 25, + SubentPlotStyleName: 26, + PushClip: 27, + PopClip: 28, + PushModelTransform: 29, + PushModelTransform2: 30, + PopModelTransform: 31, + PolylineWithNormal: 32, + LwPolyine: 33, + UnicodeText: 36, + UnicodeText2: 38 +} as const + +const DYNAMIC_BLOCK_TYPES = new Set([ + 'ACAD_PROXY_ENTITY', + 'ACAD_PROXY_OBJECT', + 'AEC_WALL', + 'AEC_WINDOW', + 'AEC_DOOR', + 'AEC_OPENING', + 'AEC_SLAB', + 'AEC_ROOF', + 'AEC_STAIR', + 'AEC_RAILING', + 'AEC_GRID', + 'AEC_COLUMN', + 'AEC_BEAM', + 'MULTILEADER' +]) + +export function buildAcadDocument( + buffer: ArrayBuffer, + fileName: string, + fileSize: number +): CadDocument { + const acad = DwgReader.readFromStream(buffer) + if (!acad.modelSpace) throw new Error('DWG 中没有可显示的模型空间。') + const state: NormalizeState = { unknown: 0 } + const blocks = normalizeBlocks(acad, state) + const layouts = normalizeLayouts(acad, blocks.map) + const layers = normalizeLayers(acad) + const lineTypes = normalizeLineTypes(acad) + const vports = normalizeVPorts(acad) + const imageDefs = normalizeImageDefs(acad) + const header = normalizeHeader(acad) + const unknownCount = state.unknown + const warnings: string[] = [] + if (unknownCount > 0) warnings.push(`${unknownCount} 个实体类型暂不支持显示。`) + const db = { + tables: { + LAYER: { entries: layers }, + BLOCK_RECORD: { entries: blocks.entries }, + LTYPE: { entries: lineTypes }, + VPORT: { entries: vports } + }, + objects: { + LAYOUT: layouts, + IMAGEDEF: imageDefs + }, + header, + entities: [] + } as unknown as DwgDatabase + return buildCadDocument(db, { + fileName, + fileSize, + unknownCount, + warnings + } satisfies BuildOptions) +} + +function normalizeBlocks(acad: AcadDoc, state: NormalizeState) { + const entries: Record[] = [] + const map = new Map>() + let index = 0 + for (const block of acad.blockRecords ?? []) { + const handle = String(block.handle ?? `block-${index}`) + const base = block.blockEntity?.basePoint ?? { x: 0, y: 0, z: 0 } + const entities: Record[] = [] + for (const entity of block.entities ?? []) { + entities.push(...normalizeEntity(entity, state)) + } + const entry = { + name: block.name ?? `*BLOCK${index}`, + handle, + baseX: Number(base.x) || 0, + baseY: Number(base.y) || 0, + baseZ: Number(base.z) || 0, + layoutHandle: block.layout?.handle == null ? '' : String(block.layout.handle), + entities + } + entries.push(entry) + if (block.handle != null) map.set(block.handle, entry) + index++ + } + return { entries, map } +} + +function normalizeLayouts(acad: AcadDoc, blocks: Map>) { + const layouts: Record[] = [] + let index = 0 + for (const layout of acad.layouts ?? []) { + const block = layout.associatedBlock + if (!block) continue + const entry = blocks.get(block.handle) + if (!entry) continue + const known = new Set(entry.entities.map((entity: any) => String(entity.handle ?? ''))) + for (const viewport of layout.viewports ?? []) { + const handle = String(viewport.handle ?? '') + if (handle && known.has(handle)) continue + entry.entities.push(...normalizeEntity(viewport, { unknown: 0 })) + if (handle) known.add(handle) + } + layouts.push({ + layoutName: layout.name ?? `Layout${index + 1}`, + tabOrder: Number(layout.tabOrder) || index, + handle: String(layout.handle ?? `layout-${index}`), + paperSpaceTableId: String(block.handle), + minExtent: layout.minExtents, + maxExtent: layout.maxExtents + }) + index++ + } + return layouts +} + +function normalizeLayers(acad: AcadDoc) { + const entries: Record[] = [] + for (const layer of acad.layers ?? []) { + const color = layer.color + const aci = color?.isTrueColor ? 7 : Number(color?.index) || 7 + const rgb = color?.isTrueColor ? Number(color.trueColor) >>> 0 : undefined + const flags = Number(layer.layerFlags) || 0 + entries.push({ + name: layer.name ?? '0', + handle: String(layer.handle ?? ''), + colorIndex: aci, + color: rgb, + off: layer.isOn === false, + frozen: (flags & 1) === 1, + lineType: layer.lineType?.name ?? 'Continuous', + lineweight: Number(layer.lineWeight) + }) + } + return entries +} + +function normalizeLineTypes(acad: AcadDoc) { + const entries: Record[] = [] + for (const lineType of acad.lineTypes ?? []) { + const segments = lineType.segments ?? [] + if (!segments.length) continue + entries.push({ + name: lineType.name, + pattern: segments.map((segment: any) => ({ + elementLength: Math.abs(Number(segment.length) || 0) + })) + }) + } + return entries +} + +function normalizeVPorts(acad: AcadDoc) { + const entries: Record[] = [] + for (const vport of acad.vPorts ?? []) { + entries.push({ + name: vport.name ?? '*Active', + center: { x: Number(vport.center?.x) || 0, y: Number(vport.center?.y) || 0 }, + viewTarget: { + x: Number(vport.target?.x) || 0, + y: Number(vport.target?.y) || 0 + }, + viewHeight: Number(vport.viewHeight) || 0, + aspectRatio: Number(vport.aspectRatio) || 1 + }) + } + return entries +} + +function normalizeImageDefs(acad: AcadDoc) { + const entries: Record[] = [] + for (const image of acad.imageDefinitions ?? []) { + entries.push({ + handle: String(image.handle ?? ''), + fileName: image.fileName ?? '栅格图像' + }) + } + return entries +} + +function normalizeHeader(acad: AcadDoc) { + const header = acad.header + return { + EXTMIN: header?.modelSpaceExtMin ?? { x: 0, y: 0, z: 0 }, + EXTMAX: header?.modelSpaceExtMax ?? { x: 0, y: 0, z: 0 }, + INSUNITS: Number(header?.insUnits) || 0, + LTSCALE: Number(header?.lineTypeScale) || 1, + ACADVER: header?.versionString ?? '' + } +} + +function normalizeEntity(entity: AcadEntity, state: NormalizeState): Record[] { + if (!entity) return [] + const type = String(entity.objectName ?? '').toUpperCase() + const base = commonFields(entity) + switch (type) { + case 'LINE': { + const start = entity.startPoint + const end = entity.endPoint + if (!start || !end) return [] + return [{ ...base, type, startPoint: start, endPoint: end, extrusionDirection: entity.normal }] + } + case 'CIRCLE': { + if (!entity.center) return [] + return [ + { + ...base, + type, + center: entity.center, + radius: Number(entity.radius) || 0, + extrusionDirection: entity.normal + } + ] + } + case 'ARC': { + if (!entity.center) return [] + const start = Number(entity.startAngle) || 0 + const end = Number(entity.endAngle) || 0 + return [ + { + ...base, + type, + center: entity.center, + radius: Number(entity.radius) || 0, + startAngle: start, + endAngle: end, + extrusionDirection: entity.normal + } + ] + } + case 'ELLIPSE': { + if (!entity.center || !entity.majorAxisEndPoint) return [] + const start = entity.isFullEllipse ? 0 : Number(entity.startParameter) || 0 + const end = entity.isFullEllipse ? Math.PI * 2 : Number(entity.endParameter) || 0 + return [ + { + ...base, + type, + center: entity.center, + majorAxisEndPoint: entity.majorAxisEndPoint, + axisRatio: Number(entity.radiusRatio) || 1, + startAngle: start, + endAngle: end, + extrusionDirection: entity.normal + } + ] + } + case 'LWPOLYLINE': { + const vertices = Array.isArray(entity.vertices) ? entity.vertices : [] + if (vertices.length < 2) return [] + return [ + { + ...base, + type, + vertices: vertices.map((vertex: any) => ({ + x: Number(vertex.location?.x) || 0, + y: Number(vertex.location?.y) || 0, + bulge: Number(vertex.bulge) || 0 + })), + flag: entity.isClosed ? 1 : 0, + constantWidth: Number(entity.constantWidth) || 0, + extrusionDirection: entity.normal + } + ] + } + case 'POLYLINE': { + const vertices = [...(entity.vertices ?? [])] + if (vertices.length < 2) return [] + return [ + { + ...base, + type, + vertices: vertices.map((vertex: any) => ({ + x: Number(vertex.location?.x) || 0, + y: Number(vertex.location?.y) || 0, + bulge: Number(vertex.bulge) || 0 + })), + flag: entity.isClosed ? 1 : 0, + extrusionDirection: entity.normal + } + ] + } + case 'SPLINE': { + const control = Array.isArray(entity.controlPoints) ? entity.controlPoints : [] + const fit = Array.isArray(entity.fitPoints) ? entity.fitPoints : [] + if (control.length < 2 && fit.length < 2) return [] + return [ + { + ...base, + type, + controlPoints: control, + fitPoints: fit, + degree: Number(entity.degree) || 3, + knots: Array.isArray(entity.knots) ? entity.knots : [], + weights: Array.isArray(entity.weights) && entity.weights.length ? entity.weights : undefined, + flag: entity.isClosed ? 1 : 0, + extrusionDirection: entity.normal + } + ] + } + case 'POINT': { + if (!entity.location) return [] + return [{ ...base, type, position: entity.location, extrusionDirection: entity.normal }] + } + case 'TEXT': { + return [normalizeText(entity, base)] + } + case 'MTEXT': { + if (!entity.insertPoint) return [] + return [ + { + ...base, + type, + text: entity.value ?? '', + insertionPoint: entity.insertPoint, + textHeight: Number(entity.height) || 0, + rotation: Number(entity.rotation) || 0, + rectWidth: Number(entity.rectangleWidth) || 0, + attachmentPoint: Number(entity.attachmentPoint) || 1, + lineSpacing: Number(entity.lineSpacing) || 1, + styleName: entity.style?.name + } + ] + } + case 'INSERT': { + const block = entity.block + if (!block) return [] + const attribs: Record[] = [] + for (const attribute of entity.attributes ?? []) { + if (!attribute || attribute.isInvisible) continue + if ((Number(attribute.flags) & 1) === 1) continue + attribs.push(normalizeText(attribute, commonFields(attribute), 'ATTRIB')) + } + return [ + { + ...base, + type, + name: block.name, + insertionPoint: entity.insertPoint, + rotation: Number(entity.rotation) || 0, + xScale: Number(entity.xScale) || 1, + yScale: Number(entity.yScale) || 1, + zScale: Number(entity.zScale) || 1, + rowCount: Number(entity.rowCount) || 1, + columnCount: Number(entity.columnCount) || 1, + rowSpacing: Number(entity.rowSpacing) || 0, + columnSpacing: Number(entity.columnSpacing) || 0, + extrusionDirection: entity.normal, + attribs + } + ] + } + case 'DIMENSION': { + const block = entity.block + if (!block) return [] + return [ + { + ...base, + type, + name: block.name, + blockName: block.name, + extrusionDirection: entity.normal + } + ] + } + case 'HATCH': { + return [normalizeHatch(entity, base)] + } + case 'SOLID': { + if (!entity.firstCorner || !entity.secondCorner || !entity.thirdCorner) return [] + return [ + { + ...base, + type, + corner1: entity.firstCorner, + corner2: entity.secondCorner, + corner3: entity.thirdCorner, + corner4: entity.fourthCorner ?? entity.thirdCorner, + extrusionDirection: entity.normal + } + ] + } + case '3DFACE': { + if (!entity.firstCorner || !entity.secondCorner || !entity.thirdCorner) return [] + return [ + { + ...base, + type, + corner1: entity.firstCorner, + corner2: entity.secondCorner, + corner3: entity.thirdCorner, + corner4: entity.fourthCorner ?? entity.thirdCorner, + extrusionDirection: entity.normal + } + ] + } + case 'WIPEOUT': { + const points = wipeoutPoints(entity) + if (points.length < 6) return [] + return [{ ...base, type, clippingBoundaryPath: points }] + } + case 'IMAGE': { + if (!entity.insertPoint) return [] + return [ + { + ...base, + type, + position: entity.insertPoint, + uPixel: entity.uVector, + vPixel: entity.vVector, + imageSize: entity.size, + imageDefHandle: entity.definition?.handle == null ? '' : String(entity.definition.handle) + } + ] + } + case 'OLE2FRAME': { + if (!entity.upperLeftCorner || !entity.lowerRightCorner) return [] + return [ + { + ...base, + type, + corner1: entity.upperLeftCorner, + corner2: entity.lowerRightCorner, + label: entity.sourceApplication || 'OLE 对象' + } + ] + } + case 'VIEWPORT': { + return [ + { + ...base, + type, + width: Number(entity.width) || 0, + height: Number(entity.height) || 0, + viewHeight: Number(entity.viewHeight) || 0, + viewportCenter: entity.center, + displayCenter: entity.viewCenter, + viewTwistAngle: Number(entity.twistAngle) || 0, + statusBitFlags: Number(entity.status) || 0, + isVisible: true + } + ] + } + case 'ACAD_PROXY_ENTITY': { + return normalizeProxyGeometries(entity, base, state) + } + case 'ATTDEF': + return [] + default: { + if (entity.proxyGeometries?.length) { + return normalizeProxyGeometries(entity, base, state) + } + if (DYNAMIC_BLOCK_TYPES.has(type)) { + state.unknown++ + } else if (type) { + state.unknown++ + } + return [] + } + } +} + +function commonFields(entity: AcadEntity) { + const color = entity.color + let colorIndex = 256 + let trueColor: number | undefined + if (color?.isByBlock) { + colorIndex = 0 + } else if (color?.isByLayer) { + colorIndex = 256 + } else if (color?.isTrueColor) { + colorIndex = 256 + trueColor = Number(color.trueColor) >>> 0 + } else if (Number.isFinite(color?.index)) { + colorIndex = Number(color.index) + } + return { + layer: entity.layer?.name ?? '0', + colorIndex, + color: trueColor, + lineweight: Number(entity.lineWeight), + lineType: entity.lineType?.name, + lineTypeScale: Number(entity.lineTypeScale) || 1, + isVisible: !entity.isInvisible + } +} + +function normalizeText(entity: AcadEntity, base: Record, type = 'TEXT') { + const horizontal = Number(entity.horizontalAlignment) || 0 + const vertical = Number(entity.verticalAlignment) || 0 + const hasAlignment = horizontal !== 0 || vertical !== 0 + const halign = horizontal === 2 ? 2 : horizontal === 1 || horizontal === 4 || horizontal === 3 || horizontal === 5 ? 1 : 0 + const start = entity.insertPoint ?? { x: 0, y: 0, z: 0 } + const end = hasAlignment ? entity.alignmentPoint ?? start : start + return { + ...base, + type, + text: entity.value ?? '', + startPoint: start, + endPoint: end, + textHeight: Number(entity.height) || 0, + rotation: Number(entity.rotation) || 0, + xScale: Number(entity.widthFactor) || 1, + halign, + valign: vertical, + generationFlag: Number(entity.mirror) || 0, + flags: Number(entity.flags) || 0, + extrusionDirection: entity.normal + } +} + +function normalizeHatch(entity: AcadEntity, base: Record) { + const paths: Record[] = [] + for (const path of entity.paths ?? []) { + let points: any[] = [] + try { + points = path.getPoints(48) ?? [] + } catch { + points = [] + } + if (points.length < 2) continue + paths.push({ + vertices: points.map((point: any) => ({ + x: Number(point.x) || 0, + y: Number(point.y) || 0, + bulge: 0 + })) + }) + } + const patternAngle = Number(entity.patternAngle) || 0 + const patternScale = Number(entity.patternScale) || 1 + const definitionLines = (entity.pattern?.lines ?? []).map((line: any) => ({ + offset: { x: Number(line.offset?.x) || 0, y: Number(line.offset?.y) || 0 } + })) + return { + ...base, + type: 'HATCH', + boundaryPaths: paths, + solidFill: entity.isSolid ? 1 : 0, + patternName: entity.pattern?.name ?? '', + patternAngle, + patternScale, + definitionLines + } +} + +function wipeoutPoints(entity: AcadEntity) { + const vertices = entity.clipBoundaryVertices ?? [] + if (!vertices.length) return [] + const origin = entity.insertPoint ?? { x: 0, y: 0, z: 0 } + const u = entity.uVector ?? { x: 1, y: 0, z: 0 } + const v = entity.vVector ?? { x: 0, y: 1, z: 0 } + const points: number[] = [] + for (const vertex of vertices) { + points.push( + (Number(origin.x) || 0) + (Number(u.x) || 0) * (Number(vertex.x) || 0) + (Number(v.x) || 0) * (Number(vertex.y) || 0), + (Number(origin.y) || 0) + (Number(u.y) || 0) * (Number(vertex.x) || 0) + (Number(v.y) || 0) * (Number(vertex.y) || 0) + ) + } + return points +} + +function normalizeProxyGeometries( + entity: AcadEntity, + base: Record, + state: NormalizeState +): Record[] { + const geometries = entity.proxyGeometries ?? [] + if (!geometries.length) return [] + const out: Record[] = [] + const stack: Mat[] = [] + let current: Mat = IDENTITY + const add = (shape: Record) => { + out.push({ ...base, ...shape, proxy: true }) + } + for (const geometry of geometries) { + const type = Number(geometry?.graphicsType) || 0 + switch (type) { + case GRAPHICS.Circle: { + const center = applyMat(current, Number(geometry.center?.x) || 0, Number(geometry.center?.y) || 0) + add({ + type: 'CIRCLE', + center: { x: center[0], y: center[1] }, + radius: Math.abs(Number(geometry.radius) || 0) * matScaleAvg(current) + }) + break + } + case GRAPHICS.CirclePt3: { + const circle = circleFrom3(geometry.point1, geometry.point2, geometry.point3) + if (!circle) break + const center = applyMat(current, circle.cx, circle.cy) + add({ + type: 'CIRCLE', + center: { x: center[0], y: center[1] }, + radius: circle.r * matScaleAvg(current) + }) + break + } + case GRAPHICS.CircularArc: { + const center = applyMat(current, Number(geometry.center?.x) || 0, Number(geometry.center?.y) || 0) + const start = Math.atan2(Number(geometry.startVectorDirection?.y) || 0, Number(geometry.startVectorDirection?.x) || 1) + const rotation = Math.atan2(current[1], current[0]) + const sweep = Math.abs(Number(geometry.sweepAngle) || 0) * (Number(geometry.arcType) === 2 ? -1 : 1) + add({ + type: 'ARC', + center: { x: center[0], y: center[1] }, + radius: Math.abs(Number(geometry.radius) || 0) * matScaleAvg(current), + startAngle: start + rotation, + endAngle: start + rotation + sweep + }) + break + } + case GRAPHICS.CircularArc3Pt: { + const circle = circleFrom3(geometry.point1, geometry.point2, geometry.point3) + if (!circle) break + const center = applyMat(current, circle.cx, circle.cy) + const start = Math.atan2(Number(geometry.point1?.y) - circle.cy, Number(geometry.point1?.x) - circle.cx) + const mid = Math.atan2(Number(geometry.point2?.y) - circle.cy, Number(geometry.point2?.x) - circle.cx) + const end = Math.atan2(Number(geometry.point3?.y) - circle.cy, Number(geometry.point3?.x) - circle.cx) + const rotation = Math.atan2(current[1], current[0]) + add({ + type: 'ARC', + center: { x: center[0], y: center[1] }, + radius: circle.r * matScaleAvg(current), + startAngle: start + rotation, + endAngle: start + rotation + sweepThrough(start, end, mid, Number(geometry.arcType) === 2) + }) + break + } + case GRAPHICS.Polyline: + case GRAPHICS.Polygon: + case GRAPHICS.PolylineWithNormal: { + const points = transformPoints(current, geometry.points) + if (points.length >= 4) { + add({ + type: 'LWPOLYLINE', + vertices: pointsToVertices(points), + flag: type === GRAPHICS.Polygon ? 1 : 0 + }) + } + break + } + case GRAPHICS.Mesh: { + const rows = Math.max(0, Number(geometry.rowCount) || 0) + const columns = Math.max(0, Number(geometry.columnCount) || 0) + const vertices = geometry.vertices ?? [] + for (let row = 0; row < rows; row++) { + const points: number[] = [] + for (let col = 0; col < columns; col++) { + const vertex = vertices[row * columns + col] + if (!vertex) continue + const point = applyMat(current, Number(vertex.x) || 0, Number(vertex.y) || 0) + points.push(point[0], point[1]) + } + if (points.length >= 4) { + add({ type: 'LWPOLYLINE', vertices: pointsToVertices(points), flag: 0 }) + } + } + for (let col = 0; col < columns; col++) { + const points: number[] = [] + for (let row = 0; row < rows; row++) { + const vertex = vertices[row * columns + col] + if (!vertex) continue + const point = applyMat(current, Number(vertex.x) || 0, Number(vertex.y) || 0) + points.push(point[0], point[1]) + } + if (points.length >= 4) { + add({ type: 'LWPOLYLINE', vertices: pointsToVertices(points), flag: 0 }) + } + } + break + } + case GRAPHICS.Shell: { + const vertices = geometry.vertices ?? [] + for (const face of geometry.faces ?? []) { + const points: number[] = [] + for (const index of face) { + const vertex = vertices[Math.abs(Number(index)) - 1] ?? vertices[Number(index)] + if (!vertex) continue + const point = applyMat(current, Number(vertex.x) || 0, Number(vertex.y) || 0) + points.push(point[0], point[1]) + } + if (points.length >= 6) { + add({ type: 'LWPOLYLINE', vertices: pointsToVertices(points), flag: 1 }) + } + } + break + } + case GRAPHICS.XLine: + case GRAPHICS.Ray: { + const p1 = geometry.point1 ?? geometry.constructionLinePoint + const p2 = geometry.point2 + if (!p1 || !p2) break + const a = applyMat(current, Number(p1.x) || 0, Number(p1.y) || 0) + const b = applyMat(current, Number(p2.x) || 0, Number(p2.y) || 0) + const dx = b[0] - a[0] + const dy = b[1] - a[1] + const len = Math.hypot(dx, dy) || 1 + const ux = dx / len + const uy = dy / len + const length = 1e6 + const points = + type === GRAPHICS.XLine + ? [a[0] - ux * length, a[1] - uy * length, a[0] + ux * length, a[1] + uy * length] + : [a[0], a[1], a[0] + ux * length, a[1] + uy * length] + add({ + type: type === GRAPHICS.XLine ? 'XLINE' : 'RAY', + firstPoint: { x: points[0], y: points[1] }, + unitDirection: { x: ux, y: uy } + }) + break + } + case GRAPHICS.PushModelTransform: + case GRAPHICS.PushModelTransform2: { + stack.push(current) + current = matMul(current, matrixToMat(geometry.matrix)) + break + } + case GRAPHICS.PopModelTransform: { + current = stack.pop() ?? IDENTITY + break + } + default: + break + } + } + if (!out.length && !entity.proxyGeometries?.length) state.unknown++ + return out +} + +function matrixToMat(matrix: any): Mat { + return [ + Number(matrix?.m00) || 0, + Number(matrix?.m10) || 0, + Number(matrix?.m01) || 0, + Number(matrix?.m11) || 0, + Number(matrix?.m03) || 0, + Number(matrix?.m13) || 0 + ] +} + +function transformPoints(mat: Mat, points: any[] = []) { + const out: number[] = [] + for (const point of points) { + const mapped = applyMat(mat, Number(point?.x) || 0, Number(point?.y) || 0) + out.push(mapped[0], mapped[1]) + } + return out +} + +function pointsToVertices(points: number[]) { + const vertices: Record[] = [] + for (let index = 0; index + 1 < points.length; index += 2) { + vertices.push({ x: points[index], y: points[index + 1], bulge: 0 }) + } + return vertices +} + +function circleFrom3(p1: any, p2: any, p3: any) { + if (!p1 || !p2 || !p3) return null + const ax = Number(p1.x) || 0 + const ay = Number(p1.y) || 0 + const bx = Number(p2.x) || 0 + const by = Number(p2.y) || 0 + const cx = Number(p3.x) || 0 + const cy = Number(p3.y) || 0 + const d = 2 * (ax * (by - cy) + bx * (cy - ay) + cx * (ay - by)) + if (Math.abs(d) < 1e-12) return null + const a2 = ax * ax + ay * ay + const b2 = bx * bx + by * by + const c2 = cx * cx + cy * cy + const ux = (a2 * (by - cy) + b2 * (cy - ay) + c2 * (ay - by)) / d + const uy = (a2 * (cx - bx) + b2 * (ax - cx) + c2 * (bx - ax)) / d + return { cx: ux, cy: uy, r: Math.hypot(ux - ax, uy - ay) } +} + +function normalizeAngle(value: number) { + const tau = Math.PI * 2 + return ((value % tau) + tau) % tau +} + +function sweepThrough(start: number, end: number, mid: number, clockwise: boolean) { + if (clockwise) { + const full = Math.PI * 2 + const s = normalizeAngle(start - end) + const m = normalizeAngle(start - mid) + return m <= s ? -s : -(s + full) + } + const s = normalizeAngle(end - start) + const m = normalizeAngle(mid - start) + return m <= s ? s : s - Math.PI * 2 +} diff --git a/src/cad/build.ts b/src/cad/build.ts new file mode 100644 index 0000000..fd8120a --- /dev/null +++ b/src/cad/build.ts @@ -0,0 +1,1593 @@ +import type { + DwgDatabase, + DwgEntity, + DwgLayoutObject, + DwgViewportEntity +} from '@mlightcad/libredwg-web' +import { + IDENTITY, + applyMat, + bboxAddPoint, + bboxCenter, + bboxExpand, + bboxFromPoints, + bboxHeight, + bboxTransform, + bboxUnion, + bboxValid, + bboxWidth, + bulgeToArc, + clamp, + emptyBBox, + matMul, + matRotate, + matScale, + matTranslate +} from './geom' +import type { Mat } from './geom' +import type { ColorSpec } from './colors' +import { decodeCadEscapes, parseMText, textWidth } from './text' +import type { + ArcPrim, + BulgePrim, + CadBlockInfo, + CadDocument, + CadSpace, + CirclePrim, + EllipsePrim, + HatchPrim, + ImagePrim, + LayerInfo, + PointPrim, + PolyPrim, + PrimBase, + Primitive, + SpaceGrid, + SplinePrim, + TextPrim +} from './types' + +type AnyEntity = DwgEntity & Record + +interface BuildState { + doc: CadDocument + paper: boolean + prims: Primitive[] + depth: number + stack: Set +} + +interface BuildOptions { + fileName: string + fileSize: number + unknownCount: number + warnings: string[] +} + +const MODEL_PREFIX = 'MODEL_SPACE' +const PAPER_PREFIX = 'PAPER_SPACE' + +export function buildCadDocument(db: DwgDatabase, options: BuildOptions): CadDocument { + const layerMap = new Map() + const layers: LayerInfo[] = [] + for (const entry of db.tables.LAYER.entries) { + const aci = typeof entry.colorIndex === 'number' ? entry.colorIndex : 7 + const rgb = + typeof entry.color === 'number' && entry.color > 0 && entry.color !== 0xffffff + ? entry.color >>> 0 + : undefined + const info: LayerInfo = { + name: entry.name || '0', + handle: entry.handle, + aci: aci > 0 && aci < 256 ? aci : 7, + rgb, + visible: !entry.off && !entry.frozen, + off: !!entry.off, + frozen: !!entry.frozen, + count: 0, + lineType: entry.lineType || 'Continuous', + lineWeight: Number(entry.lineweight) || -1 + } + layers.push(info) + layerMap.set(info.name, info) + layerMap.set(info.name.toLowerCase(), info) + } + if (!layerMap.has('0')) { + const fallback: LayerInfo = { + name: '0', + handle: '0', + aci: 7, + visible: true, + off: false, + frozen: false, + count: 0, + lineType: 'Continuous', + lineWeight: -1 + } + layers.unshift(fallback) + layerMap.set('0', fallback) + } + + const blocks = new Map() + const blockByHandle = new Map() + for (const entry of db.tables.BLOCK_RECORD.entries) { + const info: CadBlockInfo = { + name: entry.name, + handle: entry.handle, + layoutHandle: entry.layout || '', + baseX: entry.basePoint?.x ?? 0, + baseY: entry.basePoint?.y ?? 0, + entities: entry.entities ?? [] + } + blocks.set(entry.name.toUpperCase(), info) + blockByHandle.set(entry.handle, info) + } + + const dashPatterns = new Map() + for (const ltype of db.tables.LTYPE.entries) { + if (!ltype.pattern || ltype.pattern.length === 0) continue + const pattern = ltype.pattern.map((el) => { + const len = Number(el.elementLength) + if (!Number.isFinite(len) || len === 0) return 0.12 + return Math.abs(len) + }) + dashPatterns.set(ltype.name, pattern) + dashPatterns.set(ltype.name.toLowerCase(), pattern) + } + + const imageNames = new Map() + for (const image of db.objects.IMAGEDEF) { + imageNames.set(image.handle, image.fileName || '栅格图像') + } + + const modelBlock = + findBlockByName(blocks, '*Model_Space') ?? + [...blocks.values()].find((b) => b.name.toUpperCase().includes(MODEL_PREFIX)) + if (!modelBlock) { + options.warnings.push('未找到模型空间，图纸可能已损坏。') + } + + const doc: CadDocument = { + db, + fileName: options.fileName, + fileSize: options.fileSize, + layers, + layerMap, + blocks, + blockByHandle, + dashPatterns, + imageNames, + spaces: [], + model: null as unknown as CadSpace, + units: String(db.header.INSUNITS ?? 0), + unitLabel: unitLabelFor(db.header.INSUNITS), + version: db.header.ACADVER ?? '', + unknownCount: options.unknownCount, + warnings: options.warnings + } + + const ltscale = Number(db.header.LTSCALE) > 0 ? Number(db.header.LTSCALE) : 1 + const modelEntities = modelBlock + ? modelBlock.entities.length + ? modelBlock.entities + : db.entities.filter((e) => e.ownerBlockRecordSoftId === modelBlock.handle) + : db.entities + + const model: CadSpace = { + id: 'model', + name: '模型', + kind: 'model', + blockHandle: modelBlock?.handle ?? '', + entities: modelEntities, + entityCount: modelEntities.length, + prims: [], + bbox: emptyBBox(), + viewports: [] + } + const modelState: BuildState = { doc, paper: false, prims: [], depth: 0, stack: new Set() } + buildEntities(modelEntities, modelState, IDENTITY, undefined, ltscale) + model.prims = modelState.prims + model.bbox = boundsOfPrims(model.prims) + if (!bboxValid(model.bbox) || bboxWidth(model.bbox) <= 0 || bboxHeight(model.bbox) <= 0) { + model.bbox = headerBounds(db) + } + if (!bboxValid(model.bbox)) model.bbox = { minX: 0, minY: 0, maxX: 100, maxY: 100 } + const robust = robustFitBounds(model.prims, model.bbox) + const header = headerBoundsOrNull(db) + let fit = robust + if (header) { + const headerArea = bboxWidth(header) * bboxHeight(header) + const robustArea = bboxWidth(robust) * bboxHeight(robust) + if (headerArea > 0 && headerArea < robustArea) fit = header + } + model.fitBBox = fit + model.savedView = findSavedView(db, header, robust) + model.grid = buildSpaceGrid(model.prims, fit) + doc.model = model + doc.spaces.push(model) + + const layoutObjects = [...db.objects.LAYOUT].sort((a, b) => { + const ta = Number(a.tabOrder) || 0 + const tb = Number(b.tabOrder) || 0 + if (ta !== tb) return ta - tb + return (a.layoutName || '').localeCompare(b.layoutName || '') + }) + + const usedBlocks = new Set() + const layoutSpaces: CadSpace[] = [] + for (const layout of layoutObjects) { + if (isModelLayout(layout)) continue + let block = blockByHandle.get(layout.paperSpaceTableId) + if (!block) { + block = [...blocks.values()].find((b) => b.layoutHandle === layout.handle) + } + if (!block) { + block = [...blocks.values()].find((b) => b.handle === layout.paperSpaceTableId) + } + if (!block) continue + if (block.handle === modelBlock?.handle) continue + if (usedBlocks.has(block.handle)) continue + usedBlocks.add(block.handle) + const entities = block.entities.length + ? block.entities + : db.entities.filter((e) => e.ownerBlockRecordSoftId === block!.handle) + const state: BuildState = { doc, paper: true, prims: [], depth: 0, stack: new Set() } + buildEntities(entities, state, IDENTITY, undefined, ltscale) + const viewports = entities.filter((e) => e.type === 'VIEWPORT') as DwgViewportEntity[] + let bbox = boundsOfPrims(state.prims) + for (const vp of viewports) { + const vb = viewportBBox(vp) + if (vb) bbox = bboxUnion(bbox, vb) + } + const extent = layoutExtent(layout) + if (extent && bboxValid(extent)) { + if (!bboxValid(bbox)) bbox = extent + else if ( + bboxWidth(extent) < bboxWidth(bbox) * 8 + 2000 && + bboxHeight(extent) < bboxHeight(bbox) * 8 + 2000 + ) { + bbox = bboxUnion(bbox, extent) + } + } + if (!bboxValid(bbox) || bboxWidth(bbox) <= 0 || bboxHeight(bbox) <= 0) { + bbox = { minX: 0, minY: 0, maxX: 420, maxY: 297 } + } + layoutSpaces.push({ + id: `layout:${block.handle}`, + name: friendlyLayoutName(layout.layoutName, layoutSpaces.length + 1), + kind: 'layout', + blockHandle: block.handle, + entities, + entityCount: entities.length, + prims: state.prims, + grid: buildSpaceGrid(state.prims, bbox), + bbox, + fitBBox: bbox, + viewports, + layout + }) + } + + if (layoutSpaces.length === 0) { + const paperBlocks = [...blocks.values()] + .filter((b) => b.name.toUpperCase().includes(PAPER_PREFIX) && b.handle !== modelBlock?.handle) + .sort((a, b) => a.name.localeCompare(b.name)) + for (const block of paperBlocks) { + if (usedBlocks.has(block.handle)) continue + usedBlocks.add(block.handle) + const entities = block.entities.length + ? block.entities + : db.entities.filter((e) => e.ownerBlockRecordSoftId === block.handle) + const state: BuildState = { doc, paper: true, prims: [], depth: 0, stack: new Set() } + buildEntities(entities, state, IDENTITY, undefined, ltscale) + const viewports = entities.filter((e) => e.type === 'VIEWPORT') as DwgViewportEntity[] + let bbox = boundsOfPrims(state.prims) + for (const vp of viewports) { + const vb = viewportBBox(vp) + if (vb) bbox = bboxUnion(bbox, vb) + } + if (!bboxValid(bbox)) bbox = { minX: 0, minY: 0, maxX: 420, maxY: 297 } + layoutSpaces.push({ + id: `layout:${block.handle}`, + name: `布局 ${layoutSpaces.length + 1}`, + kind: 'layout', + blockHandle: block.handle, + entities, + entityCount: entities.length, + prims: state.prims, + grid: buildSpaceGrid(state.prims, bbox), + bbox, + fitBBox: bbox, + viewports + }) + } + } + + layoutSpaces.sort((a, b) => { + const ta = Number(a.layout?.tabOrder) || 0 + const tb = Number(b.layout?.tabOrder) || 0 + if (ta !== tb) return ta - tb + return a.name.localeCompare(b.name) + }) + doc.spaces.push(...layoutSpaces) + const counts = new Map() + for (const space of doc.spaces) { + for (const entity of space.entities) { + const name = entity.layer || '0' + counts.set(name, (counts.get(name) ?? 0) + 1) + } + } + for (const layer of layers) layer.count = counts.get(layer.name) ?? 0 + if (layoutSpaces.length === 0) { + options.warnings.push('此图纸没有可用的布局空间（仅显示模型空间）。') + } + return doc +} + +function findBlockByName(blocks: Map, name: string): CadBlockInfo | undefined { + return blocks.get(name.toUpperCase()) +} + +function isModelLayout(layout: DwgLayoutObject): boolean { + const name = (layout.layoutName || '').trim().toLowerCase() + return name === 'model' || name === '模型' +} + +function friendlyLayoutName(name: string | undefined, fallbackIndex: number): string { + const trimmed = (name || '').trim() + if (!trimmed) return `布局 ${fallbackIndex}` + const match = /^layout\s*(\d+)$/i.exec(trimmed) + if (match) return `布局 ${match[1]}` + return trimmed +} + +function unitLabelFor(insunits: unknown): string { + const value = Number(insunits) + switch (value) { + case 1: + return 'in' + case 2: + return 'ft' + case 3: + return 'mi' + case 4: + return 'mm' + case 5: + return 'cm' + case 6: + return 'm' + case 7: + return 'km' + case 8: + return 'µin' + case 9: + return 'mil' + case 10: + return 'yd' + case 13: + return 'µm' + case 14: + return 'dm' + default: + return '' + } +} + +function headerBounds(db: DwgDatabase): BBoxLike { + return headerBoundsOrNull(db) ?? { minX: 0, minY: 0, maxX: 100, maxY: 100 } +} + +function headerBoundsOrNull(db: DwgDatabase): BBoxLike | null { + const min = db.header.EXTMIN + const max = db.header.EXTMAX + if ( + min && + max && + [min.x, min.y, max.x, max.y].every((v) => Number.isFinite(v)) && + Math.abs(min.x) < 1e12 && + Math.abs(min.y) < 1e12 && + Math.abs(max.x) < 1e12 && + Math.abs(max.y) < 1e12 && + max.x > min.x && + max.y > min.y + ) { + return { minX: min.x, minY: min.y, maxX: max.x, maxY: max.y } + } + return null +} + +function insideBox(x: number, y: number, box: BBoxLike): boolean { + return x >= box.minX && x <= box.maxX && y >= box.minY && y <= box.maxY +} + +function findSavedView( + db: DwgDatabase, + header: BBoxLike | null, + robust: BBoxLike +): { cx: number; cy: number; width: number; height: number } | undefined { + const vports = db.tables.VPORT.entries + if (!vports.length) return undefined + const vp = + vports.find((entry) => entry.name.toUpperCase() === '*ACTIVE') ?? + vports.find((entry) => Number(entry.viewHeight) > 0) ?? + vports[0] + const height = Number(vp.viewHeight) + if (!Number.isFinite(height) || height <= 0) return undefined + const center = vp.center + const target = vp.viewTarget + const cx = Number(center?.x) + const cy = Number(center?.y) + const tx = Number(target?.x) + const ty = Number(target?.y) + const useCenter = Number.isFinite(cx) && Number.isFinite(cy) + const px = useCenter ? cx : tx + const py = useCenter ? cy : ty + if (!Number.isFinite(px) || !Number.isFinite(py)) return undefined + if (!insideBox(px, py, robust) && !(header && insideBox(px, py, header))) { + return undefined + } + const aspect = Number(vp.aspectRatio) + const width = height * (Number.isFinite(aspect) && aspect > 0 ? aspect : 1.6) + return { cx: px, cy: py, width, height } +} + +type BBoxLike = { minX: number; minY: number; maxX: number; maxY: number } + +function layoutExtent(layout: DwgLayoutObject): BBoxLike | null { + const min = layout.minExtent + const max = layout.maxExtent + if ( + min && + max && + [min.x, min.y, max.x, max.y].every((v) => Number.isFinite(v)) && + max.x > min.x && + max.y > min.y && + max.x - min.x < 1e7 && + max.y - min.y < 1e7 + ) { + return { minX: min.x, minY: min.y, maxX: max.x, maxY: max.y } + } + return null +} + +function viewportBBox(vp: DwgViewportEntity): BBoxLike | null { + const width = Math.abs(Number(vp.width) || 0) + const height = Math.abs(Number(vp.height) || 0) + if (width <= 0 || height <= 0) return null + const cx = vp.viewportCenter?.x ?? 0 + const cy = vp.viewportCenter?.y ?? 0 + return { minX: cx - width / 2, minY: cy - height / 2, maxX: cx + width / 2, maxY: cy + height / 2 } +} + +function boundsOfPrims(prims: Primitive[]): BBoxLike { + let bbox = emptyBBox() + for (const prim of prims) { + if (prim.ignoreBounds) continue + bbox = bboxUnion(bbox, prim.bbox) + } + return bbox +} + +function buildSpaceGrid(prims: Primitive[], bbox: BBoxLike): SpaceGrid | undefined { + if (!prims.length || !bboxValid(bbox)) return undefined + const width = Math.max(bboxWidth(bbox), 1e-9) + const height = Math.max(bboxHeight(bbox), 1e-9) + const size = clamp(Math.ceil(Math.sqrt(prims.length)), 8, 96) + const cols = size + const rows = size + const cellW = width / cols + const cellH = height / rows + const cells: number[][] = Array.from({ length: cols * rows }, () => []) + const big: number[] = [] + + for (let index = 0; index < prims.length; index++) { + const prim = prims[index] + if (prim.ignoreBounds || !bboxValid(prim.bbox)) { + big.push(index) + continue + } + if ( + prim.bbox.maxX < bbox.minX || + prim.bbox.minX > bbox.maxX || + prim.bbox.maxY < bbox.minY || + prim.bbox.minY > bbox.maxY + ) { + big.push(index) + continue + } + const c0 = clamp(Math.floor((prim.bbox.minX - bbox.minX) / cellW), 0, cols - 1) + const c1 = clamp(Math.floor((prim.bbox.maxX - bbox.minX) / cellW), 0, cols - 1) + const r0 = clamp(Math.floor((prim.bbox.minY - bbox.minY) / cellH), 0, rows - 1) + const r1 = clamp(Math.floor((prim.bbox.maxY - bbox.minY) / cellH), 0, rows - 1) + if ((c1 - c0 + 1) * (r1 - r0 + 1) > 256) { + big.push(index) + continue + } + for (let row = r0; row <= r1; row++) { + for (let col = c0; col <= c1; col++) { + cells[row * cols + col].push(index) + } + } + } + + return { minX: bbox.minX, minY: bbox.minY, cellW, cellH, cols, rows, cells, big } +} + +function robustFitBounds(prims: Primitive[], raw: BBoxLike): BBoxLike { + if (!bboxValid(raw) || prims.length < 100) return raw + const xs: number[] = [] + const ys: number[] = [] + for (const prim of prims) { + if (prim.ignoreBounds || !bboxValid(prim.bbox)) continue + xs.push((prim.bbox.minX + prim.bbox.maxX) / 2) + ys.push((prim.bbox.minY + prim.bbox.maxY) / 2) + } + if (xs.length < 100) return raw + xs.sort((a, b) => a - b) + ys.sort((a, b) => a - b) + const n = xs.length + const trim = n > 20000 ? 0.01 : 0.02 + const lo = Math.floor(n * trim) + const hi = Math.max(lo, Math.ceil(n * (1 - trim)) - 1) + let candidate: BBoxLike = { + minX: xs[lo], + minY: ys[lo], + maxX: xs[hi], + maxY: ys[hi] + } + if (!bboxValid(candidate) || bboxWidth(candidate) <= 0 || bboxHeight(candidate) <= 0) { + return raw + } + candidate = bboxExpand( + candidate, + Math.max(bboxWidth(candidate) * 0.04, 1e-9), + Math.max(bboxHeight(candidate) * 0.04, 1e-9) + ) + return candidate +} + +function buildEntities( + entities: DwgEntity[], + state: BuildState, + mat: Mat, + inherit: ColorSpec | undefined, + ltscale: number +): void { + for (const entity of entities) { + buildEntity(entity as AnyEntity, state, mat, inherit, ltscale) + } +} + +function buildEntity( + entity: AnyEntity, + state: BuildState, + mat: Mat, + inherit: ColorSpec | undefined, + ltscale: number +): void { + if (!entity || entity.isVisible === false) return + const type = String(entity.type || '').toUpperCase() + if (type === 'VIEWPORT' && !state.paper) return + const extrusion = entity.extrusionDirection + const mirror = extrusion && Number(extrusion.z) === -1 ? matScale(-1, 1) : null + const em = mirror ? matMul(mat, mirror) : mat + const color = resolveColor(entity, state.doc, inherit) + const width = lineWidthOf(entity, state.paper, state.doc) + const dashInfo = resolveDash(entity, state.doc, ltscale) + + switch (type) { + case 'LINE': { + const a = entity.startPoint + const b = entity.endPoint + if (!a || !b) return + const points = [a.x, a.y, b.x, b.y] + addPoly(state, entity, em, points, false, false, true, color, width, dashInfo) + return + } + case 'CIRCLE': { + const c = entity.center + const r = Math.abs(Number(entity.radius) || 0) + if (!c || r <= 0) return + const prim: CirclePrim = { + kind: 'circle', +...base(entity, em, color, width, dashInfo), + cx: c.x, + cy: c.y, + r, + fill: false + } + prim.bbox = circleBBox(c.x, c.y, r, em) + state.prims.push(prim) + return + } + case 'ARC': { + const c = entity.center + const r = Math.abs(Number(entity.radius) || 0) + if (!c || r <= 0) return + const a0 = Number(entity.startAngle) || 0 + const a1 = Number(entity.endAngle) || 0 + let sweep = a1 - a0 + while (sweep <= 0) sweep += Math.PI * 2 + const prim: ArcPrim = { + kind: 'arc', +...base(entity, em, color, width, dashInfo), + cx: c.x, + cy: c.y, + r, + a0, + sweep + } + prim.bbox = circleBBox(c.x, c.y, r, em) + state.prims.push(prim) + return + } + case 'ELLIPSE': { + const c = entity.center + const major = entity.majorAxisEndPoint + if (!c || !major) return + const mx = Number(major.x) || 0 + const my = Number(major.y) || 0 + if (Math.abs(mx) + Math.abs(my) < 1e-12) return + const ratio = clamp(Number(entity.axisRatio) || 1, 0.0001, 1) + const a0 = Number(entity.startAngle) || 0 + const a1 = Number(entity.endAngle) || Math.PI * 2 + let sweep = a1 - a0 + if (Math.abs(sweep) < 1e-9) sweep = Math.PI * 2 + if (sweep < 0) sweep += Math.PI * 2 + const prim: EllipsePrim = { + kind: 'ellipse', +...base(entity, em, color, width, dashInfo), + cx: c.x, + cy: c.y, + mx, + my, + ratio, + a0, + sweep, + fill: false + } + const r = Math.hypot(mx, my) * Math.max(ratio, 1) + prim.bbox = circleBBox(c.x, c.y, r, em) + state.prims.push(prim) + return + } + case 'LWPOLYLINE': { + const vertices = Array.isArray(entity.vertices) ? entity.vertices : [] + if (vertices.length < 2) return + const closed = (Number(entity.flag) & 1) === 1 + const hasBulge = vertices.some((v: any) => Math.abs(Number(v.bulge) || 0) > 1e-9) + const worldWidth = Math.abs(Number(entity.constantWidth) || 0) + if (hasBulge) { + const prim: BulgePrim = { + kind: 'bulge', +...base(entity, em, color, width, dashInfo, worldWidth > 0 ? worldWidth : undefined), + vertices: vertices.map((v: any) => ({ + x: Number(v.x) || 0, + y: Number(v.y) || 0, + bulge: Number(v.bulge) || 0 + })), + closed + } + prim.bbox = bulgeBounds(prim.vertices, closed, em) + state.prims.push(prim) + } else { + const points: number[] = [] + for (const v of vertices) points.push(Number(v.x) || 0, Number(v.y) || 0) + addPoly(state, entity, em, points, closed, false, true, color, width, dashInfo, worldWidth) + } + return + } + case 'POLYLINE': + case 'POLYLINE2D': + case 'POLYLINE3D': + case 'POLYLINE_PFACE': + case 'POLYLINE_MESH': { + const vertices = Array.isArray(entity.vertices) ? entity.vertices : [] + if (vertices.length < 2) return + const closed = (Number(entity.flag) & 1) === 1 + const hasBulge = vertices.some((v: any) => Math.abs(Number(v.bulge) || 0) > 1e-9) + if (hasBulge) { + const prim: BulgePrim = { + kind: 'bulge', +...base(entity, em, color, width, dashInfo), + vertices: vertices.map((v: any) => ({ + x: Number(v.x) || 0, + y: Number(v.y) || 0, + bulge: Number(v.bulge) || 0 + })), + closed + } + prim.bbox = bulgeBounds(prim.vertices, closed, em) + state.prims.push(prim) + } else { + const points: number[] = [] + for (const v of vertices) points.push(Number(v.x) || 0, Number(v.y) || 0) + addPoly(state, entity, em, points, closed, false, true, color, width, dashInfo) + } + return + } + case 'SPLINE': { + const control = Array.isArray(entity.controlPoints) ? entity.controlPoints : [] + const fit = Array.isArray(entity.fitPoints) ? entity.fitPoints : [] + const source = control.length >= 2 ? control : fit + if (source.length < 2) return + const flat: number[] = [] + for (const p of source) flat.push(Number(p.x) || 0, Number(p.y) || 0) + const prim: SplinePrim = { + kind: 'spline', + ...base(entity, em, color, width, dashInfo), + control: flat, + degree: Math.max(1, Number(entity.degree) || 3), + knots: Array.isArray(entity.knots) ? entity.knots.map((n: any) => Number(n) || 0) : [], + weights: Array.isArray(entity.weights) && entity.weights.length ? entity.weights : undefined, + closed: (Number(entity.flag) & 1) === 1 + } + prim.bbox = bboxTransform(em, bboxFromPoints(flat)) + if (!bboxValid(prim.bbox)) prim.bbox = circleBBox(flat[0] ?? 0, flat[1] ?? 0, 1, em) + state.prims.push(prim) + return + } + case 'TEXT': { + addTextEntity(entity, state, em, color, width, dashInfo) + return + } + case 'MTEXT': { + addMTextEntity(entity, state, em, color, width, dashInfo) + return + } + case 'ATTRIB': { + const data = entity.text + if (!data) return + addTextData(data, state, em, color, width, dashInfo, inherit, entity) + return + } + case 'ATTDEF': + case 'SEQEND': + case 'ENDBLK': + case 'BLOCK': + return + case 'INSERT': + case 'MINSERT': { + addInsert(entity, state, em, color, width, dashInfo, ltscale) + return + } + case 'DIMENSION': { + const name = String(entity.name || entity.blockName || '') + const block = state.doc.blocks.get(name.toUpperCase()) + if (!block || state.stack.has(block.name) || state.depth > 12) return + state.stack.add(block.name) + state.depth++ + buildEntities(block.entities, state, em, color, ltscale) + state.depth-- + state.stack.delete(block.name) + return + } + case 'LEADER': { + addLeader(entity, state, em, color, width, dashInfo) + return + } + case 'RAY': + case 'XLINE': { + const p = entity.firstPoint + const d = entity.unitDirection + if (!p || !d) return + const length = 1e6 + const dx = Number(d.x) || 0 + const dy = Number(d.y) || 0 + const len = Math.hypot(dx, dy) || 1 + const ux = dx / len + const uy = dy / len + const points = + type === 'XLINE' + ? [p.x - ux * length, p.y - uy * length, p.x + ux * length, p.y + uy * length] + : [p.x, p.y, p.x + ux * length, p.y + uy * length] + addPoly(state, entity, em, points, false, false, true, color, width, dashInfo, undefined, true) + return + } + case 'SOLID': + case 'TRACE': + case '3DFACE': { + const c1 = entity.corner1 + const c2 = entity.corner2 + const c3 = entity.corner3 + const c4 = entity.corner4 ?? entity.corner3 + if (!c1 || !c2 || !c3) return + const points = + type === '3DFACE' + ? [c1.x, c1.y, c2.x, c2.y, c3.x, c3.y, c4.x, c4.y] + : [c1.x, c1.y, c2.x, c2.y, c4.x, c4.y, c3.x, c3.y] + addPoly(state, entity, em, points, true, type !== '3DFACE', type === '3DFACE', color, width, dashInfo) + return + } + case 'POINT': { + const p = entity.position + if (!p) return + const prim: PointPrim = { + kind: 'point', +...base(entity, em, color, width, dashInfo), + x: p.x, + y: p.y + } + prim.bbox = bboxTransform(em, { minX: p.x, minY: p.y, maxX: p.x, maxY: p.y }) + state.prims.push(prim) + return + } + case 'HATCH': { + addHatch(entity, state, em, color, width, dashInfo) + return + } + case 'WIPEOUT': { + const pts = wipeoutPoints(entity) + if (pts.length < 6) return + const prim: PolyPrim = { + kind: 'poly', +...base(entity, em, color, width, dashInfo), + points: pts, + closed: true, + fill: true, + fillBackground: true, + stroke: false + } + prim.bbox = bboxTransform(em, bboxFromPoints(pts)) + state.prims.push(prim) + return + } + case 'IMAGE': { + const pos = entity.position + const u = entity.uPixel + const v = entity.vPixel + const size = entity.imageSize + if (!pos) return + const w = Math.abs(Number(size?.x) || 0) + const h = Math.abs(Number(size?.y) || 0) + const ux = Number(u?.x) || 0 + const uy = Number(u?.y) || 0 + const vx = Number(v?.x) || 0 + const vy = Number(v?.y) || 0 + if (w <= 0 || h <= 0 || (!ux && !uy && !vx && !vy)) return + const pts = [ + pos.x, + pos.y, + pos.x + ux * w, + pos.y + uy * w, + pos.x + ux * w + vx * h, + pos.y + uy * w + vy * h, + pos.x + vx * h, + pos.y + vy * h + ] + const label = state.doc.imageNames.get(String(entity.imageDefHandle || '')) || '栅格图像' + const prim: ImagePrim = { + kind: 'image', +...base(entity, em, color, width, dashInfo), + x1: 0, + y1: 0, + x2: 0, + y2: 0, + points: pts, + label + } + const p = bboxTransform(em, bboxFromPoints(pts)) + prim.bbox = p + prim.x1 = p.minX + prim.y1 = p.minY + prim.x2 = p.maxX + prim.y2 = p.maxY + state.prims.push(prim) + return + } + case 'ACAD_TABLE': + case 'TABLE': { + addTable(entity, state, em, color, width, dashInfo) + return + } + case 'TOLERANCE': { + if (!entity.text) return + const fake = { + ...entity, + type: 'MTEXT', + insertionPoint: entity.insertionPoint ?? { x: 0, y: 0, z: 0 }, + textHeight: Number(entity.textHeight) || 2.5, + rotation: 0, + text: entity.text, + rectWidth: 0, + extentsWidth: 0, + attachmentPoint: 1, + lineSpacing: 1, + styleName: entity.styleName + } + addMTextEntity(fake, state, em, color, width, dashInfo) + return + } + case 'OLE2FRAME': { + const a = entity.corner1 + const b = entity.corner2 + if (!a || !b) return + const x1 = Math.min(Number(a.x) || 0, Number(b.x) || 0) + const x2 = Math.max(Number(a.x) || 0, Number(b.x) || 0) + const y1 = Math.min(Number(a.y) || 0, Number(b.y) || 0) + const y2 = Math.max(Number(a.y) || 0, Number(b.y) || 0) + const points = [x1, y1, x2, y1, x2, y2, x1, y2] + const prim: ImagePrim = { + kind: 'image', + ...base(entity, em, color, width, dashInfo), + x1, + y1, + x2, + y2, + points, + label: String(entity.label || 'OLE 对象') + } + prim.bbox = bboxTransform(em, bboxFromPoints(points)) + state.prims.push(prim) + return + } + default: + return + } +} + +function base( + entity: AnyEntity, + mat: Mat, + color: ColorSpec, + width: number, + dash: number[] | undefined, + worldWidth?: number, + ignoreBounds?: boolean +): PrimBase { + return { + layer: entity.layer || '0', + color, + width, + worldWidth, + dash, + bbox: emptyBBox(), + mat, + ignoreBounds, + proxy: entity.proxy === true ? true : undefined + } +} + +function addPoly( + state: BuildState, + entity: AnyEntity, + mat: Mat, + points: number[], + closed: boolean, + fill: boolean, + stroke: boolean, + color: ColorSpec, + width: number, + dash: number[] | undefined, + worldWidth?: number, + ignoreBounds?: boolean +): void { + if (points.length < 4) return + const prim: PolyPrim = { + kind: 'poly', +...base(entity, mat, color, width, dash, worldWidth, ignoreBounds), + points, + closed, + fill, + stroke + } + prim.bbox = bboxTransform(mat, bboxFromPoints(points)) + state.prims.push(prim) +} + +function addTextEntity( + entity: AnyEntity, + state: BuildState, + mat: Mat, + color: ColorSpec, + width: number, + dash: number[] | undefined +): void { + const data = { + text: entity.text, + startPoint: entity.startPoint, + endPoint: entity.endPoint, + textHeight: entity.textHeight, + rotation: entity.rotation, + xScale: entity.xScale, + halign: entity.halign, + valign: entity.valign, + generationFlag: entity.generationFlag + } + addTextData(data, state, mat, color, width, dash, undefined, entity) +} + +function addTextData( + data: Record, + state: BuildState, + mat: Mat, + color: ColorSpec, + width: number, + dash: number[] | undefined, + _inherit: ColorSpec | undefined, + entity: AnyEntity +): void { + const raw = String(data.text ?? '') + if (!raw) return + const lines = [decodeCadEscapes(raw)].filter((l) => l.length > 0) + if (!lines.length) return + const height = Math.abs(Number(data.textHeight) || 0) + if (height <= 0) return + const halignRaw = Number(data.halign) || 0 + const valignRaw = Number(data.valign) || 0 + const halign: TextPrim['halign'] = + halignRaw === 1 || halignRaw === 4 ? 'center' : halignRaw === 2 ? 'right' : 'left' + const valign: TextPrim['valign'] = + valignRaw === 3 ? 'top' : valignRaw === 2 ? 'middle' : valignRaw === 1 ? 'bottom' : 'baseline' + const hasAlign = halignRaw !== 0 || valignRaw !== 0 + const end = data.endPoint + const hasEnd = + end && (Math.abs(Number(end.x) || 0) > 1e-12 || Math.abs(Number(end.y) || 0) > 1e-12) + const anchor = hasAlign && hasEnd ? end : data.startPoint + if (!anchor) return + const x = Number(anchor.x) || 0 + const y = Number(anchor.y) || 0 + const rotation = Number(data.rotation) || 0 + const widthFactor = Math.abs(Number(data.xScale) || 1) || 1 + const lineHeight = height * 1.28 + const prim: TextPrim = { + kind: 'text', +...base(entity, mat, color, width, dash), + x, + y, + height, + rotation, + lines, + halign, + valign, + lineHeight, + widthFactor, + mirrored: (Number(data.generationFlag) & 2) === 2 + } + prim.bbox = textBBox(prim, mat) + state.prims.push(prim) +} + +function addMTextEntity( + entity: AnyEntity, + state: BuildState, + mat: Mat, + color: ColorSpec, + width: number, + dash: number[] | undefined +): void { + const raw = String(entity.text ?? '') + if (!raw) return + const height = Math.abs(Number(entity.textHeight) || 0) + if (height <= 0) return + const rectWidth = Math.abs(Number(entity.rectWidth) || 0) + const wrapWidth = rectWidth + let lines = parseMText(raw, wrapWidth, height) + if (!lines.length) lines = [decodeCadEscapes(raw)] + lines = lines.filter((line) => line.length > 0) + if (!lines.length) return + const attach = Number(entity.attachmentPoint) || 1 + const halign: TextPrim['halign'] = + attach === 2 || attach === 5 || attach === 8 + ? 'center' + : attach === 3 || attach === 6 || attach === 9 + ? 'right' + : 'left' + const valign: TextPrim['valign'] = + attach === 1 || attach === 2 || attach === 3 + ? 'top' + : attach === 4 || attach === 5 || attach === 6 + ? 'middle' + : 'bottom' + const p = entity.insertionPoint + if (!p) return + let rotation = Number(entity.rotation) || 0 + if (Math.abs(rotation) < 1e-9 && entity.direction) { + const dx = Number(entity.direction.x) || 0 + const dy = Number(entity.direction.y) || 0 + if (dx || dy) rotation = Math.atan2(dy, dx) + } + const lineSpacing = Number(entity.lineSpacing) || 1 + const lineHeight = height * 1.35 * clamp(lineSpacing, 0.3, 3) + const prim: TextPrim = { + kind: 'text', +...base(entity, mat, color, width, dash), + x: Number(p.x) || 0, + y: Number(p.y) || 0, + height, + rotation, + lines, + halign, + valign, + lineHeight, + widthFactor: 1, + mirrored: false + } + prim.bbox = textBBox(prim, mat) + state.prims.push(prim) +} + +function addInsert( + entity: AnyEntity, + state: BuildState, + mat: Mat, + color: ColorSpec, + width: number, + dash: number[] | undefined, + ltscale: number +): void { + const name = String(entity.name || '') + const block = state.doc.blocks.get(name.toUpperCase()) + if (!block) return + if (state.stack.has(block.name) || state.depth > 12) return + const pos = entity.insertionPoint ?? { x: 0, y: 0, z: 0 } + const rotation = Number(entity.rotation) || 0 + const sx = Number(entity.xScale) || 1 + const sy = Number(entity.yScale) || 1 + const rows = clamp(Math.floor(Number(entity.rowCount) || 1), 1, 100) + const cols = clamp(Math.floor(Number(entity.columnCount) || 1), 1, 100) + const rowSpacing = Number(entity.rowSpacing) || 0 + const colSpacing = Number(entity.columnSpacing) || 0 + const baseX = block.baseX || 0 + const baseY = block.baseY || 0 + state.stack.add(block.name) + state.depth++ + for (let row = 0; row < rows; row++) { + for (let col = 0; col < cols; col++) { + let m = matMul(mat, matTranslate(Number(pos.x) || 0, Number(pos.y) || 0)) + m = matMul(m, matRotate(rotation)) + m = matMul(m, matScale(sx, sy)) + if (col || row) m = matMul(m, matTranslate(col * colSpacing, row * rowSpacing)) + m = matMul(m, matTranslate(-baseX, -baseY)) + buildEntities(block.entities, state, m, color, ltscale) + } + } + state.depth-- + state.stack.delete(block.name) + + if (Array.isArray(entity.attribs)) { + for (const attrib of entity.attribs) { + if (!attrib || attrib.isVisible === false) continue + if ((Number(attrib.flags) & 1) === 1) continue + const data = attrib.text ?? attrib + const attrColor = resolveColor(attrib as AnyEntity, state.doc, color) + addTextData(data, state, mat, attrColor, width, dash, color, attrib as AnyEntity) + } + } +} + +function addLeader( + entity: AnyEntity, + state: BuildState, + mat: Mat, + color: ColorSpec, + width: number, + dash: number[] | undefined +): void { + const vertices = Array.isArray(entity.vertices) ? entity.vertices : [] + if (vertices.length < 2) return + const points: number[] = [] + for (const v of vertices) points.push(Number(v.x) || 0, Number(v.y) || 0) + addPoly(state, entity, mat, points, false, false, true, color, width, dash) + if (entity.isArrowheadEnabled !== false) { + const x0 = Number(vertices[0].x) || 0 + const y0 = Number(vertices[0].y) || 0 + const x1 = Number(vertices[1].x) || 0 + const y1 = Number(vertices[1].y) || 0 + const dx = x1 - x0 + const dy = y1 - y0 + const len = Math.hypot(dx, dy) + if (len > 1e-9) { + const size = Math.min(len * 0.18, Math.max(Number(entity.textHeight) || 0, len * 0.08, 1)) + const ux = dx / len + const uy = dy / len + const px = -uy + const py = ux + const pts = [ + x0, + y0, + x0 + ux * size + px * size * 0.42, + y0 + uy * size + py * size * 0.42, + x0 + ux * size - px * size * 0.42, + y0 + uy * size - py * size * 0.42 + ] + addPoly(state, entity, mat, pts, true, true, false, color, width, undefined) + } + } +} + +function addHatch( + entity: AnyEntity, + state: BuildState, + mat: Mat, + color: ColorSpec, + width: number, + dash: number[] | undefined +): void { + const paths: number[][] = [] + const rawPaths = Array.isArray(entity.boundaryPaths) ? entity.boundaryPaths : [] + for (const path of rawPaths) { + const pts = hatchPathPoints(path) + if (pts.length >= 6) paths.push(pts) + } + if (!paths.length) return + const solid = Number(entity.solidFill) === 1 + const angle = normalizeAngle(Number(entity.patternAngle) || 0) + let spacing = 0 + if (Array.isArray(entity.definitionLines) && entity.definitionLines.length) { + const offset = entity.definitionLines[0]?.offset + if (offset) spacing = Math.hypot(Number(offset.x) || 0, Number(offset.y) || 0) + } + if (!spacing || !Number.isFinite(spacing)) { + spacing = Math.max(1, Math.abs(Number(entity.patternScale) || 1) * 3) + } + const prim: HatchPrim = { + kind: 'hatch', +...base(entity, mat, color, solid ? 0 : Math.max(0.55, width * 0.7), dash), + paths, + solid, + patternName: String(entity.patternName || ''), + patternAngle: angle, + patternSpacing: Math.max(0.3, spacing) + } + let bbox = emptyBBox() + for (const p of paths) bbox = bboxUnion(bbox, bboxTransform(mat, bboxFromPoints(p))) + prim.bbox = bbox + state.prims.push(prim) +} + +function hatchPathPoints(path: AnyEntity): number[] { + const out: number[] = [] + if (Array.isArray(path.vertices) && path.vertices.length >= 2) { + const verts = path.vertices + for (let i = 0; i < verts.length; i++) { + const v = verts[i] + const x = Number(v.x) || 0 + const y = Number(v.y) || 0 + if (i > 0) { + const prev = verts[i - 1] + const bulge = Number(prev.bulge) || 0 + if (Math.abs(bulge) > 1e-9) { + const arc = bulgeToArc(Number(prev.x) || 0, Number(prev.y) || 0, x, y, bulge) + if (arc) { + const pts = sampleArcPoints(arc.cx, arc.cy, arc.r, arc.a0, arc.sweep, 80) + for (let j = 2; j < pts.length; j += 2) out.push(pts[j], pts[j + 1]) + continue + } + } + } + out.push(x, y) + } + const last = verts[verts.length - 1] + const first = verts[0] + const bulge = Number(last.bulge) || 0 + if (Math.abs(bulge) > 1e-9) { + const arc = bulgeToArc( + Number(last.x) || 0, + Number(last.y) || 0, + Number(first.x) || 0, + Number(first.y) || 0, + bulge + ) + if (arc) { + const pts = sampleArcPoints(arc.cx, arc.cy, arc.r, arc.a0, arc.sweep, 80) + for (let j = 2; j < pts.length; j += 2) out.push(pts[j], pts[j + 1]) + } + } + return out + } + if (Array.isArray(path.edges)) { + for (const edge of path.edges) { + const type = Number(edge.type) + if (type === 1) { + const s = edge.start + const e = edge.end + if (s && e) out.push(Number(s.x) || 0, Number(s.y) || 0, Number(e.x) || 0, Number(e.y) || 0) + } else if (type === 2) { + const c = edge.center + if (!c) continue + const r = Math.abs(Number(edge.radius) || 0) + const a0 = Number(edge.startAngle) || 0 + const a1 = Number(edge.endAngle) || 0 + let sweep = a1 - a0 + while (sweep <= 0) sweep += Math.PI * 2 + const pts = sampleArcPoints(Number(c.x) || 0, Number(c.y) || 0, r, a0, sweep, 64) + for (let j = 0; j < pts.length; j += 2) out.push(pts[j], pts[j + 1]) + } else if (type === 3) { + const c = edge.center + const ep = edge.end + if (!c || !ep) continue + const mx = (Number(ep.x) || 0) - (Number(c.x) || 0) + const my = (Number(ep.y) || 0) - (Number(c.y) || 0) + const ratio = Math.hypot(mx, my) > 0 ? Math.abs(Number(edge.lengthOfMinorAxis) || 1) / Math.hypot(mx, my) : 1 + const a0 = Number(edge.startAngle) || 0 + const a1 = Number(edge.endAngle) || 0 + let sweep = a1 - a0 + while (sweep <= 0) sweep += Math.PI * 2 + const pts = sampleEllipsePoints(Number(c.x) || 0, Number(c.y) || 0, mx, my, clamp(ratio, 0.001, 1), a0, sweep, 64) + for (let j = 0; j < pts.length; j += 2) out.push(pts[j], pts[j + 1]) + } else if (type === 4) { + const cps = Array.isArray(edge.controlPoints) ? edge.controlPoints : [] + for (const p of cps) out.push(Number(p.x) || 0, Number(p.y) || 0) + } + } + } + return out +} + +function wipeoutPoints(entity: AnyEntity): number[] { + if (Array.isArray(entity.clippingBoundaryPath) && entity.clippingBoundaryPath.length >= 2) { + const pts: number[] = [] + for (const p of entity.clippingBoundaryPath) pts.push(Number(p.x) || 0, Number(p.y) || 0) + return pts + } + const pos = entity.position + const u = entity.uPixel + const v = entity.vPixel + const size = entity.imageSize + if (!pos || !u || !v || !size) return [] + const w = Math.abs(Number(size.x) || 0) + const h = Math.abs(Number(size.y) || 0) + const ux = Number(u.x) || 0 + const uy = Number(u.y) || 0 + const vx = Number(v.x) || 0 + const vy = Number(v.y) || 0 + return [ + pos.x, + pos.y, + pos.x + ux * w, + pos.y + uy * w, + pos.x + ux * w + vx * h, + pos.y + uy * w + vy * h, + pos.x + vx * h, + pos.y + vy * h + ] +} + +function addTable( + entity: AnyEntity, + state: BuildState, + mat: Mat, + color: ColorSpec, + width: number, + dash: number[] | undefined +): void { + const rows = clamp(Math.floor(Number(entity.rowCount) || 0), 0, 500) + const cols = clamp(Math.floor(Number(entity.columnCount) || 0), 0, 200) + const rowHeights: number[] = Array.isArray(entity.rowHeightArr) ? entity.rowHeightArr : [] + const colWidths: number[] = Array.isArray(entity.columnWidthArr) ? entity.columnWidthArr : [] + const cells: AnyEntity[] = Array.isArray(entity.cells) ? entity.cells : [] + const start = entity.startPoint + if (!start || rows <= 0 || cols <= 0) return + let y = Number(start.y) || 0 + for (let r = 0; r < rows; r++) { + const rh = Math.abs(Number(rowHeights[r]) || 0) + let x = Number(start.x) || 0 + for (let c = 0; c < cols; c++) { + const cw = Math.abs(Number(colWidths[c]) || 0) + const cell = cells[r * cols + c] + if (cell) { + if (cell.topBorderVisibility) addPoly(state, entity, mat, [x, y, x + cw, y], false, false, true, color, width, dash) + if (cell.bottomBorderVisibility) addPoly(state, entity, mat, [x, y + rh, x + cw, y + rh], false, false, true, color, width, dash) + if (cell.leftBorderVisibility) addPoly(state, entity, mat, [x, y, x, y + rh], false, false, true, color, width, dash) + if (cell.rightBorderVisibility) addPoly(state, entity, mat, [x + cw, y, x + cw, y + rh], false, false, true, color, width, dash) + const text = String(cell.text ?? '') + if (text) { + const h = Math.abs(Number(cell.textHeight) || 0) + const fake = { + ...entity, + type: 'MTEXT', + insertionPoint: { x: x + cw / 2, y: y + rh / 2, z: 0 }, + textHeight: h, + rotation: 0, + text, + rectWidth: 0, + extentsWidth: 0, + attachmentPoint: 5, + lineSpacing: 1 + } + addMTextEntity(fake, state, mat, color, width, dash) + } + } + x += cw + } + y += rh + } +} + +function resolveColor(entity: AnyEntity, doc: CadDocument, inherit: ColorSpec | undefined): ColorSpec { + const ci = typeof entity.colorIndex === 'number' ? entity.colorIndex : 256 + const trueColor = typeof entity.color === 'number' ? entity.color >>> 0 : undefined + if (trueColor != null && trueColor !== 0xffffff && trueColor !== 0 && (ci === 0 || ci === 256)) { + return { kind: 'rgb', value: trueColor } + } + if (ci === 0) return inherit ?? { kind: 'aci', value: 7 } + if (ci === 256 || !Number.isFinite(ci)) return layerColor(entity.layer, doc) + const index = Math.abs(Math.round(ci)) + if (index >= 1 && index <= 255) return { kind: 'aci', value: index } + return layerColor(entity.layer, doc) +} + +function layerColor(name: string | undefined, doc: CadDocument): ColorSpec { + const key = name || '0' + const layer = doc.layerMap.get(key) ?? doc.layerMap.get(key.toLowerCase()) + if (!layer) return { kind: 'aci', value: 7 } + if (layer.rgb != null) return { kind: 'rgb', value: layer.rgb } + return { kind: 'aci', value: layer.aci || 7 } +} + +function lineWidthOf(entity: AnyEntity, paper: boolean, doc: CadDocument): number { + let lw = Number(entity.lineweight) + if (!Number.isFinite(lw) || lw < 0) { + const layer = findLayer(doc, entity.layer || '0') + if (layer && Number.isFinite(layer.lineWeight) && layer.lineWeight > 0) lw = layer.lineWeight + } + let width: number + if (!Number.isFinite(lw) || lw < 0) width = 1 + else if (lw === 0) width = 0.55 + else width = clamp(0.6 + (lw / 100) * 1.8, 0.6, 4.2) + return paper ? Math.max(0.55, width * 0.88) : width +} + +function resolveDash(entity: AnyEntity, doc: CadDocument, ltscale: number): number[] | undefined { + let name = String(entity.lineType || '').trim() + if (!name || /^bylayer$/i.test(name)) { + const layer = findLayer(doc, entity.layer || '0') + name = layer?.lineType || '' + } + if (!name || /^(byblock|bylayer|continuous)$/i.test(name)) return undefined + const entityScale = Number(entity.lineTypeScale) > 0 ? Number(entity.lineTypeScale) : 1 + const pattern = doc.dashPatterns.get(name) ?? doc.dashPatterns.get(name.toLowerCase()) + let base: number[] | undefined + if (pattern && pattern.length) { + base = pattern + } else { + const upper = name.toUpperCase() + if (upper.includes('DASHDOT') || upper.includes('DASH_DOT')) base = [4, 0.8, 0.15, 0.8] + else if (upper.includes('DASHED') || upper.includes('DASH')) base = [3, 1.2] + else if (upper.includes('HIDDEN')) base = [1.2, 0.7] + else if (upper.includes('CENTER')) base = [5, 0.9, 0.9, 0.9] + else if (upper.includes('DOT')) base = [0.15, 1] + } + if (!base) return undefined + const scale = ltscale * entityScale + const scaled = base.map((v) => Math.max(0.04, v * scale)) + return scaled.some((v) => v > 0.05) ? scaled : undefined +} + +function circleBBox(cx: number, cy: number, r: number, mat: Mat): BBoxLike { + return bboxTransform(mat, { minX: cx - r, minY: cy - r, maxX: cx + r, maxY: cy + r }) +} + +function bulgeBounds(vertices: Array<{ x: number; y: number; bulge: number }>, closed: boolean, mat: Mat): BBoxLike { + let local = emptyBBox() + for (const v of vertices) local = bboxUnion(local, { minX: v.x, minY: v.y, maxX: v.x, maxY: v.y }) + for (let i = 0; i < vertices.length; i++) { + const next = i + 1 < vertices.length ? i + 1 : closed ? 0 : -1 + if (next < 0) break + const a = vertices[i] + const b = vertices[next] + if (Math.abs(a.bulge) < 1e-9) continue + const arc = bulgeToArc(a.x, a.y, b.x, b.y, a.bulge) + if (!arc) continue + local = bboxUnion(local, arcBounds(arc.cx, arc.cy, arc.r, arc.a0, arc.sweep)) + } + return bboxTransform(mat, local) +} + +function arcBounds(cx: number, cy: number, r: number, a0: number, sweep: number): BBoxLike { + let bbox: BBoxLike = { + minX: Number.POSITIVE_INFINITY, + minY: Number.POSITIVE_INFINITY, + maxX: Number.NEGATIVE_INFINITY, + maxY: Number.NEGATIVE_INFINITY + } + bboxAddPoint(bbox, cx + r * Math.cos(a0), cy + r * Math.sin(a0)) + bboxAddPoint(bbox, cx + r * Math.cos(a0 + sweep), cy + r * Math.sin(a0 + sweep)) + const step = Math.PI / 2 + const start = Math.min(a0, a0 + sweep) + const end = Math.max(a0, a0 + sweep) + for (let a = Math.ceil(start / step) * step; a <= end; a += step) { + bboxAddPoint(bbox, cx + r * Math.cos(a), cy + r * Math.sin(a)) + } + return bbox +} + +function textBBox(prim: TextPrim, mat: Mat): BBoxLike { + const lines = prim.lines.length ? prim.lines : [''] + const count = lines.length + const lineHeight = prim.lineHeight + let maxWidth = 0 + for (const line of lines) maxWidth = Math.max(maxWidth, textWidth(line, prim.height)) + maxWidth = Math.max(maxWidth * Math.abs(prim.widthFactor), prim.height * 0.5) + const totalHeight = Math.max(lineHeight * count, prim.height) + let minX = 0 + let maxX = maxWidth + if (prim.halign === 'center') { + minX = -maxWidth / 2 + maxX = maxWidth / 2 + } else if (prim.halign === 'right') { + minX = -maxWidth + maxX = 0 + } + let minY = 0 + let maxY = totalHeight + if (prim.valign === 'top') { + minY = -totalHeight + maxY = 0 + } else if (prim.valign === 'middle') { + minY = -totalHeight / 2 + maxY = totalHeight / 2 + } + const cos = Math.cos(prim.rotation) + const sin = Math.sin(prim.rotation) + const bbox = emptyBBox() + const corners = [ + [minX, minY], + [maxX, minY], + [maxX, maxY], + [minX, maxY] + ] + for (const [lx, ly] of corners) { + const wx = prim.x + lx * cos - ly * sin + const wy = prim.y + lx * sin + ly * cos + const [sx, sy] = applyMat(mat, wx, wy) + bboxAddPoint(bbox, sx, sy) + } + return bbox +} + +function normalizeAngle(value: number): number { + if (Math.abs(value) > Math.PI * 2 + 0.001) return (value * Math.PI) / 180 + return value +} + +function sampleArcPoints( + cx: number, + cy: number, + r: number, + a0: number, + sweep: number, + segments: number +): number[] { + const out: number[] = [] + const n = clamp(segments, 4, 256) + for (let i = 0; i <= n; i++) { + const a = a0 + (sweep * i) / n + out.push(cx + r * Math.cos(a), cy + r * Math.sin(a)) + } + return out +} + +function sampleEllipsePoints( + cx: number, + cy: number, + mx: number, + my: number, + ratio: number, + a0: number, + sweep: number, + segments: number +): number[] { + const nx = -my * ratio + const ny = mx * ratio + const out: number[] = [] + const n = clamp(segments, 4, 256) + for (let i = 0; i <= n; i++) { + const a = a0 + (sweep * i) / n + out.push(cx + mx * Math.cos(a) + nx * Math.sin(a), cy + my * Math.cos(a) + ny * Math.sin(a)) + } + return out +} + +export function findLayer(doc: CadDocument, name: string): LayerInfo | undefined { + return doc.layerMap.get(name) ?? doc.layerMap.get(name.toLowerCase()) +} + +export function spaceCenter(space: CadSpace): [number, number] { + return bboxCenter(space.bbox) +} + +export function padBounds(b: BBoxLike, ratio = 0.02): BBoxLike { + return bboxExpand(b, Math.max(bboxWidth(b) * ratio, 0.001), Math.max(bboxHeight(b) * ratio, 0.001)) +} diff --git a/src/cad/cadViewer.ts b/src/cad/cadViewer.ts new file mode 100644 index 0000000..c66ac73 --- /dev/null +++ b/src/cad/cadViewer.ts @@ -0,0 +1,1067 @@ +import type { CadDocument, CadSpace } from './types' +import { CadRenderer } from './renderer' +import { + bboxCenter, + bboxHeight, + bboxWidth, + clamp, + formatNumber, + screenToWorld, + worldToScreen +} from './geom' +import type { Camera } from './geom' +import { cssColor, cssForAci } from './colors' +import type { ViewerHost } from '../core/viewerHost' +import { clear, h, icon, iconButton } from '../core/dom' +import { getTheme, onThemeChange, toggleTheme } from '../core/theme' +import { toast } from '../core/toast' +import { showAbout } from '../ui/about' + +interface Measurement { + a: [number, number] + b: [number, number] +} + +interface Callbacks { + onBack: () => void +} + +export class CadViewer { + private host: ViewerHost + private doc: CadDocument + private renderer: CadRenderer + private callbacks: Callbacks + private canvas: HTMLCanvasElement + private ctx: CanvasRenderingContext2D + private overlayCanvas: HTMLCanvasElement + private overlayCtx: CanvasRenderingContext2D + private canvasWrap: HTMLElement + private stage: HTMLElement + private tools: HTMLElement + private hint: HTMLElement + private sheetBackdrop: HTMLElement + private sheet: HTMLElement + private sheetList: HTMLElement + private sheetSearch: HTMLInputElement + private tabs: HTMLElement + private themeBtn: HTMLButtonElement + private measureBtn: HTMLButtonElement + private clearBtn: HTMLButtonElement + private proxyBtn!: HTMLButtonElement + private fullscreenBtn: HTMLButtonElement + private proxyVisible = true + private layerVis = new Map() + private cameras = new Map() + private fitScales = new Map() + private measurements = new Map() + private pendingStart = new Map() + private current = 0 + private dpr = 1 + private renderQueued = false + private raf = 0 + private renderCamera: Camera | null = null + private fullRenderTimer = 0 + private previewing = false + private resizeObserver: ResizeObserver | null = null + private themeUnsub: (() => void) | null = null + private measureMode = false + private pointerScreen: [number, number] | null = null + private pointers = new Map() + private gesture: + | { type: 'pan'; lastX: number; lastY: number } + | { + type: 'pinch' + startScale: number + startDist: number + startMid: [number, number] + worldMid: [number, number] + } + | null = null + private tapStart: { x: number; y: number; time: number; moved: boolean } | null = null + private lastTap = { time: 0, x: 0, y: 0 } + private coordTimer = 0 + private hintTimer = 0 + private destroyed = false + + constructor(host: ViewerHost, doc: CadDocument, callbacks: Callbacks) { + this.host = host + this.doc = doc + this.callbacks = callbacks + this.renderer = new CadRenderer(doc) + this.stage = host.stage + this.canvas = h('canvas', { class: 'cad-canvas' }) + this.overlayCanvas = h('canvas', { class: 'cad-overlay-canvas' }) + const ctx = this.canvas.getContext('2d', { alpha: false }) + if (!ctx) throw new Error('无法创建 Canvas 2D 上下文') + this.ctx = ctx + const overlayCtx = this.overlayCanvas.getContext('2d') + if (!overlayCtx) throw new Error('无法创建 Canvas 2D 上下文') + this.overlayCtx = overlayCtx + this.canvasWrap = h('div', { class: 'cad-canvas-wrap' }, this.canvas, this.overlayCanvas) + + for (const layer of doc.layers) this.layerVis.set(layer.name.toLowerCase(), layer.visible) + + host.setFileInfo(doc.fileName, 'DWG 图纸', 'DWG', 'cad', `${doc.spaces.length} 个空间`) + host.setStatus('') + this.tabs = this.buildTabs() + host.setSubbar(this.tabs) + + this.tools = this.buildTools() + this.hint = h('div', { class: 'cad-hint', text: this.hintText() }) + this.sheetSearch = h('input', { + class: 'sheet-search-input', + type: 'search', + placeholder: '搜索图层…', + 'aria-label': '搜索图层' + }) + this.sheetList = h('div', { class: 'sheet-list' }) + this.sheetBackdrop = h('div', { class: 'sheet-backdrop' }) + this.sheet = this.buildSheet() + this.sheetBackdrop.appendChild(this.sheet) + + this.stage.append(this.canvasWrap, this.tools, this.hint, this.sheetBackdrop) + this.buildHeaderActions() + + this.measureBtn = this.tools.querySelector('[data-action="measure"]') as HTMLButtonElement + this.clearBtn = this.tools.querySelector('[data-action="clear-measure"]') as HTMLButtonElement + this.themeBtn = this.tools.querySelector('[data-action="theme"]') as HTMLButtonElement + this.fullscreenBtn = host.actions.querySelector('[data-action="fullscreen"]') as HTMLButtonElement + this.updateThemeButton() + this.updateClearButton() + this.updateProxyButton() + + this.bindEvents() + this.observeResize() + this.themeUnsub = onThemeChange(() => { + this.updateThemeButton() + this.schedule() + }) + this.hintTimer = window.setTimeout(() => this.hideHint(), 5200) + this.updateStatus() + this.schedule() + } + + private get space(): CadSpace { + return this.doc.spaces[this.current] ?? this.doc.model + } + + private get camera(): Camera { + const space = this.space + let camera = this.cameras.get(space.id) + if (!camera) { + camera = this.computeFit(space) + this.cameras.set(space.id, camera) + } + return camera + } + + private setCamera(camera: Camera): void { + this.cameras.set(this.space.id, camera) + } + + private computeFit(space: CadSpace): Camera { + const width = Math.max(1, this.stage.clientWidth) + const height = Math.max(1, this.stage.clientHeight) + if (space.savedView && space.savedView.width > 0 && space.savedView.height > 0) { + const view = space.savedView + const scale = Math.max( + 1e-12, + Math.min((width * 0.92) / view.width, (height * 0.9) / view.height) + ) + this.fitScales.set(space.id, scale) + return { scale, cx: view.cx, cy: view.cy } + } + const box = space.fitBBox ?? space.bbox + const bw = Math.max(bboxWidth(box), 1e-9) + const bh = Math.max(bboxHeight(box), 1e-9) + const scale = Math.max(1e-12, Math.min((width * 0.9) / bw, (height * 0.88) / bh)) + const [cx, cy] = bboxCenter(box) + this.fitScales.set(space.id, scale) + return { scale, cx, cy } + } + + private buildHeaderActions(): void { + const downloadBtn = iconButton('download', '保存当前视图为 PNG', () => this.exportPng()) + const fullscreenBtn = iconButton('maximize', '全屏', () => void this.toggleFullscreen()) + fullscreenBtn.dataset.action = 'fullscreen' + const aboutBtn = iconButton('info', '关于', () => showAbout()) + this.host.actions.append(downloadBtn, fullscreenBtn, aboutBtn) + this.fullscreenBtn = fullscreenBtn + } + + private buildTabs(): HTMLElement { + const tabs = h('div', { class: 'tabs', role: 'tablist' }) + this.doc.spaces.forEach((space, index) => { + const btn = h( + 'button', + { + class: `tab ${index === this.current ? 'active' : ''}`, + type: 'button', + role: 'tab', + 'aria-selected': index === this.current ? 'true' : 'false', + dataset: { index: String(index) } + }, + h('span', { class: 'tab-icon', html: icon(space.kind === 'model' ? 'grid' : 'file-text', 15) }), + h('span', { class: 'tab-text', text: space.name }) + ) + btn.addEventListener('click', () => this.setSpace(index)) + tabs.appendChild(btn) + }) + return tabs + } + + private buildTools(): HTMLElement { + const tools = h('div', { class: 'cad-tools' }) + const add = (name: string, label: string, action: string, onClick: () => void) => { + const btn = iconButton(name, label, (ev) => { + ev.stopPropagation() + onClick() + }) + btn.dataset.action = action + tools.appendChild(btn) + return btn + } + add('plus', '放大', 'zoom-in', () => this.zoomBy(1.32)) + add('minus', '缩小', 'zoom-out', () => this.zoomBy(1 / 1.32)) + add('fit', '适配全图', 'fit', () => this.fitCurrent()) + tools.appendChild(h('div', { class: 'tool-divider' })) + add('layers', '图层', 'layers', () => this.openSheet()) + this.proxyBtn = add('proxy', '显示代理对象', 'proxy', () => this.toggleProxyObjects()) + this.proxyBtn.classList.add('active') + this.measureBtn = add('ruler', '测量距离', 'measure', () => this.toggleMeasure()) + this.clearBtn = add('trash', '清除测量', 'clear-measure', () => this.clearMeasurements()) + this.themeBtn = add('sun', '切换背景', 'theme', () => { + toggleTheme() + this.schedule() + }) + this.clearBtn.classList.add('tool-hidden') + return tools + } + + private buildSheet(): HTMLElement { + const title = h('div', { class: 'sheet-title' }, h('span', { text: '图层' })) + const close = iconButton('x', '关闭', () => this.closeSheet()) + const head = h('div', { class: 'sheet-head' }, title, close) + const actions = h('div', { class: 'sheet-actions' }) + const showAll = h('button', { class: 'chip-btn', type: 'button', text: '全部显示' }) + const hideAll = h('button', { class: 'chip-btn', type: 'button', text: '全部隐藏' }) + const reset = h('button', { class: 'chip-btn', type: 'button', text: '恢复默认' }) + showAll.addEventListener('click', () => this.setAllLayers(true)) + hideAll.addEventListener('click', () => this.setAllLayers(false)) + reset.addEventListener('click', () => { + for (const layer of this.doc.layers) this.setLayerVisible(layer.name, layer.visible) + this.renderSheetRows() + this.schedule() + }) + actions.append(showAll, hideAll, reset) + + this.sheetSearch.addEventListener('input', () => this.filterSheet()) + this.renderSheetRows() + + return h('aside', { class: 'sheet', role: 'dialog', 'aria-label': '图层' }, head, actions, this.sheetSearch, this.sheetList) + } + + private renderSheetRows(): void { + clear(this.sheetList) + const sorted = [...this.doc.layers].sort((a, b) => { + if (a.name === '0') return -1 + if (b.name === '0') return 1 + return a.name.localeCompare(b.name, 'zh-Hans-CN') + }) + for (const layer of sorted) { + const visible = this.isLayerVisible(layer.name) + const row = h('button', { + class: `layer-row ${visible ? 'visible' : 'hidden'}`, + type: 'button', + dataset: { name: layer.name.toLowerCase(), search: layer.name.toLowerCase() } + }) + const swatch = h('span', { class: 'layer-swatch' }) + const theme = getTheme() + swatch.style.background = + layer.rgb != null ? cssColor({ kind: 'rgb', value: layer.rgb }, false, theme) : cssForAci(layer.aci, false, theme) + const info = h( + 'span', + { class: 'layer-info' }, + h('span', { class: 'layer-name', text: layer.name }), + h('span', { + class: 'layer-meta', + text: `${layer.count} 个实体${layer.off ? ' · 已关闭' : ''}${layer.frozen ? ' · 已冻结' : ''}` + }) + ) + const eye = h('span', { class: 'layer-eye', html: icon(visible ? 'eye' : 'eye-off', 18) }) + row.append(swatch, info, eye) + row.addEventListener('click', () => { + this.setLayerVisible(layer.name, !this.isLayerVisible(layer.name)) + this.renderSheetRows() + this.schedule() + }) + this.sheetList.appendChild(row) + } + this.filterSheet() + } + + private bindEvents(): void { + this.canvas.addEventListener('pointerdown', this.onPointerDown) + this.canvas.addEventListener('pointermove', this.onPointerMove) + this.canvas.addEventListener('pointerup', this.onPointerUp) + this.canvas.addEventListener('pointercancel', this.onPointerCancel) + this.canvas.addEventListener('wheel', this.onWheel, { passive: false }) + this.canvas.addEventListener('dblclick', this.onDoubleClick) + this.canvas.addEventListener('contextmenu', (ev) => ev.preventDefault()) + document.addEventListener('keydown', this.onKeyDown) + document.addEventListener('fullscreenchange', this.onFullscreenChange) + this.sheetBackdrop.addEventListener('click', (ev) => { + if (ev.target === this.sheetBackdrop) this.closeSheet() + }) + } + + private observeResize(): void { + this.resizeObserver = new ResizeObserver(() => this.resize()) + this.resizeObserver.observe(this.stage) + window.addEventListener('orientationchange', this.onOrientation) + this.resize() + } + + private onOrientation = () => { + window.setTimeout(() => { + this.resize() + const space = this.space + const camera = this.cameras.get(space.id) + const fit = this.fitScales.get(space.id) ?? 0 + if (!camera || Math.abs(camera.scale - fit) / Math.max(fit, 1e-9) < 0.08) { + this.cameras.set(space.id, this.computeFit(space)) + this.schedule() + } + }, 220) + } + + private resize(): void { + const width = this.stage.clientWidth + const height = this.stage.clientHeight + if (width <= 0 || height <= 0) return + this.dpr = Math.min(window.devicePixelRatio || 1, 2.5) + for (const canvas of [this.canvas, this.overlayCanvas]) { + canvas.width = Math.max(1, Math.round(width * this.dpr)) + canvas.height = Math.max(1, Math.round(height * this.dpr)) + canvas.style.width = `${width}px` + canvas.style.height = `${height}px` + } + const space = this.space + const camera = this.cameras.get(space.id) + const fit = this.fitScales.get(space.id) ?? 0 + if (!camera || fit <= 1e-11 || Math.abs(camera.scale - fit) / Math.max(fit, 1e-9) < 0.08) { + this.cameras.set(space.id, this.computeFit(space)) + } + this.schedule() + } + + private schedule(): void { + if (this.fullRenderTimer) { + window.clearTimeout(this.fullRenderTimer) + this.fullRenderTimer = 0 + } + if (this.destroyed || this.renderQueued) return + this.renderQueued = true + this.raf = requestAnimationFrame(() => { + this.renderQueued = false + this.render() + }) + } + + private scheduleFullSoon(delay = 140): void { + if (this.destroyed) return + if (this.fullRenderTimer) window.clearTimeout(this.fullRenderTimer) + this.fullRenderTimer = window.setTimeout(() => { + this.fullRenderTimer = 0 + this.schedule() + }, delay) + } + + private cancelScheduledRender(): void { + if (this.fullRenderTimer) { + window.clearTimeout(this.fullRenderTimer) + this.fullRenderTimer = 0 + } + if (this.raf) { + cancelAnimationFrame(this.raf) + this.raf = 0 + this.renderQueued = false + } + } + + private applyPreview(): void { + const rendered = this.renderCamera + if (!rendered) { + this.schedule() + return + } + const camera = this.camera + const scale = camera.scale / rendered.scale + const tx = (rendered.cx - camera.cx) * camera.scale + const ty = (camera.cy - rendered.cy) * camera.scale + if ( + Math.abs(scale - 1) < 1e-4 && + Math.abs(tx) < 0.05 && + Math.abs(ty) < 0.05 + ) { + this.canvasWrap.style.transform = '' + this.previewing = false + return + } + this.canvasWrap.style.transformOrigin = '50% 50%' + this.canvasWrap.style.transform = `translate(${tx}px, ${ty}px) scale(${scale})` + this.previewing = true + } + + private render(): void { + if (this.destroyed) return + const width = this.stage.clientWidth + const height = this.stage.clientHeight + if (width <= 0 || height <= 0) return + this.canvasWrap.style.transform = '' + this.previewing = false + const started = performance.now() + const ctx = this.ctx + ctx.setTransform(this.dpr, 0, 0, this.dpr, 0, 0) + ctx.clearRect(0, 0, width, height) + const camera = this.camera + this.renderer.draw(ctx, this.space, camera, width, height, { + theme: getTheme(), + layerVisible: (name) => this.isLayerVisible(name), + proxyVisible: this.proxyVisible + }) + this.renderCamera = { ...camera } + this.renderOverlay(width, height) + const elapsed = performance.now() - started + if (elapsed > 30) console.info(`[render] ${elapsed.toFixed(1)}ms`) + } + + private renderOverlay(width = this.stage.clientWidth, height = this.stage.clientHeight): void { + if (this.destroyed || this.previewing || width <= 0 || height <= 0) return + const ctx = this.overlayCtx + ctx.setTransform(this.dpr, 0, 0, this.dpr, 0, 0) + ctx.clearRect(0, 0, width, height) + this.drawOverlay(ctx, width, height) + } + + private drawOverlay(ctx: CanvasRenderingContext2D, width: number, height: number): void { + const camera = this.camera + const space = this.space + const list = this.measurements.get(space.id) + const accent = getTheme() === 'dark' ? '#5b9bff' : '#2563eb' + const textColor = '#ffffff' + const labelFont = '600 12px "Noto Sans SC","PingFang SC","Microsoft YaHei",system-ui,sans-serif' + + const drawLabel = (x: number, y: number, text: string) => { + ctx.save() + ctx.font = labelFont + const w = ctx.measureText(text).width + 16 + const hgt = 24 + const rx = x - w / 2 + const ry = y - hgt - 10 + ctx.beginPath() + if (typeof ctx.roundRect === 'function') ctx.roundRect(rx, ry, w, hgt, 8) + else ctx.rect(rx, ry, w, hgt) + ctx.fillStyle = accent + ctx.shadowColor = 'rgba(0,0,0,0.28)' + ctx.shadowBlur = 6 + ctx.fill() + ctx.shadowBlur = 0 + ctx.fillStyle = textColor + ctx.textAlign = 'center' + ctx.textBaseline = 'middle' + ctx.fillText(text, x, ry + hgt / 2 + 0.5) + ctx.restore() + } + + const drawPoint = (x: number, y: number, color: string) => { + ctx.save() + ctx.strokeStyle = color + ctx.fillStyle = color + ctx.lineWidth = 1.5 + ctx.beginPath() + ctx.arc(x, y, 4.2, 0, Math.PI * 2) + ctx.stroke() + ctx.beginPath() + ctx.arc(x, y, 1.7, 0, Math.PI * 2) + ctx.fill() + ctx.restore() + } + + if (list) { + for (const m of list) { + const a = worldToScreen(camera, width, height, m.a[0], m.a[1]) + const b = worldToScreen(camera, width, height, m.b[0], m.b[1]) + ctx.save() + ctx.strokeStyle = accent + ctx.lineWidth = 1.6 + ctx.setLineDash([7, 5]) + ctx.beginPath() + ctx.moveTo(a[0], a[1]) + ctx.lineTo(b[0], b[1]) + ctx.stroke() + ctx.restore() + drawPoint(a[0], a[1], accent) + drawPoint(b[0], b[1], accent) + const dist = Math.hypot(m.b[0] - m.a[0], m.b[1] - m.a[1]) + drawLabel((a[0] + b[0]) / 2, (a[1] + b[1]) / 2, this.formatMeasurement(dist)) + } + } + + const pending = this.pendingStart.get(space.id) + if (pending) { + const a = worldToScreen(camera, width, height, pending[0], pending[1]) + drawPoint(a[0], a[1], accent) + if (this.pointerScreen) { + const [px, py] = this.pointerScreen + const world = screenToWorld(camera, width, height, px, py) + ctx.save() + ctx.strokeStyle = accent + ctx.lineWidth = 1.3 + ctx.setLineDash([5, 5]) + ctx.beginPath() + ctx.moveTo(a[0], a[1]) + ctx.lineTo(px, py) + ctx.stroke() + ctx.restore() + const dist = Math.hypot(world[0] - pending[0], world[1] - pending[1]) + drawLabel(px, py, this.formatMeasurement(dist)) + } + } + } + + private formatMeasurement(value: number): string { + const unit = this.doc.unitLabel + if (unit === 'mm' && Math.abs(value) >= 1000) return `${(value / 1000).toFixed(3)} m` + if (unit === 'mm') return `${value.toFixed(1)} mm` + if (unit === 'm') return `${value.toFixed(3)} m` + if (unit === 'cm') return `${value.toFixed(2)} cm` + if (unit) return `${value.toFixed(2)} ${unit}` + return formatNumber(value, 2) + } + + private updateStatus(extra?: string): void { + const space = this.space + const camera = this.camera + const fit = this.fitScales.get(space.id) ?? camera.scale + const pct = fit > 0 ? (camera.scale / fit) * 100 : 100 + const pctText = pct >= 1000 ? `${Math.round(pct / 100) * 100}%` : `${Math.round(pct)}%` + const unknown = this.doc.unknownCount > 0 ? ` · 不支持 ${this.doc.unknownCount}` : '' + const measureText = this.measureMode ? ' · 测量模式' : '' + const count = space.entityCount ?? space.entities.length + this.host.setStatus( + extra ?? `${space.name} · ${count} 个实体 · ${pctText}${unknown}${measureText}` + ) + } + + private updateCoordinateStatus(x: number, y: number): void { + const unit = this.doc.unitLabel ? ` ${this.doc.unitLabel}` : '' + this.updateStatus( + `${this.space.name} · X ${formatNumber(x, 2)}${unit} Y ${formatNumber(y, 2)}${unit}` + ) + if (this.coordTimer) window.clearTimeout(this.coordTimer) + this.coordTimer = window.setTimeout(() => this.updateStatus(), 1400) + } + + private isLayerVisible(name: string): boolean { + return this.layerVis.get((name || '0').toLowerCase()) ?? true + } + + private setLayerVisible(name: string, visible: boolean): void { + this.layerVis.set(name.toLowerCase(), visible) + } + + private setAllLayers(visible: boolean): void { + for (const layer of this.doc.layers) this.setLayerVisible(layer.name, visible) + this.renderSheetRows() + this.schedule() + } + + private filterSheet(): void { + const query = this.sheetSearch.value.trim().toLowerCase() + const rows = this.sheetList.querySelectorAll('.layer-row') + rows.forEach((row) => { + const name = row.dataset.search ?? '' + row.hidden = query.length > 0 && !name.includes(query) + }) + } + + private openSheet(): void { + this.sheetBackdrop.classList.add('open') + window.setTimeout(() => this.sheetSearch.focus({ preventScroll: true }), 120) + } + + private closeSheet(): void { + this.sheetBackdrop.classList.remove('open') + } + + private setSpace(index: number): void { + if (index < 0 || index >= this.doc.spaces.length || index === this.current) return + this.current = index + const tabs = this.tabs.querySelectorAll('.tab') + tabs.forEach((tab, i) => { + tab.classList.toggle('active', i === index) + tab.setAttribute('aria-selected', i === index ? 'true' : 'false') + }) + tabs[index]?.scrollIntoView({ behavior: 'smooth', inline: 'nearest', block: 'nearest' }) + const space = this.space + if (!this.cameras.has(space.id)) this.cameras.set(space.id, this.computeFit(space)) + this.pendingStart.delete(space.id) + this.updateClearButton() + this.updateStatus() + this.schedule() + } + + private fitCurrent(): void { + const space = this.space + const camera = this.computeFit(space) + this.cameras.set(space.id, camera) + this.updateStatus() + this.applyPreview() + this.scheduleFullSoon(80) + } + + private zoomBy(factor: number): void { + const width = this.stage.clientWidth + const height = this.stage.clientHeight + this.zoomAt(width / 2, height / 2, factor) + } + + private zoomAt(sx: number, sy: number, factor: number): void { + const width = this.stage.clientWidth + const height = this.stage.clientHeight + const camera = this.camera + const space = this.space + const fit = this.fitScales.get(space.id) ?? camera.scale + const next = clamp(camera.scale * factor, fit * 0.02, fit * 6000) + if (Math.abs(next - camera.scale) / camera.scale < 1e-6) return + const world = screenToWorld(camera, width, height, sx, sy) + this.setCamera({ + scale: next, + cx: world[0] - (sx - width / 2) / next, + cy: world[1] + (sy - height / 2) / next + }) + this.updateStatus() + this.applyPreview() + this.scheduleFullSoon(140) + } + + private onPointerDown = (ev: PointerEvent) => { + if (ev.button != null && ev.button !== 0 && ev.pointerType === 'mouse') return + this.cancelScheduledRender() + this.hideHint() + this.canvas.setPointerCapture(ev.pointerId) + this.pointers.set(ev.pointerId, { x: ev.clientX, y: ev.clientY }) + const rect = this.stage.getBoundingClientRect() + this.tapStart = { + x: ev.clientX - rect.left, + y: ev.clientY - rect.top, + time: performance.now(), + moved: false + } + if (this.pointers.size === 1) { + this.gesture = { + type: 'pan', + lastX: ev.clientX, + lastY: ev.clientY + } + } else if (this.pointers.size === 2) { + const [a, b] = [...this.pointers.values()] + const mid: [number, number] = [((a.x + b.x) / 2 - rect.left), ((a.y + b.y) / 2 - rect.top)] + const dist = Math.hypot(a.x - b.x, a.y - b.y) + const camera = { ...this.camera } + this.gesture = { + type: 'pinch', + startScale: camera.scale, + startDist: Math.max(dist, 1), + startMid: mid, + worldMid: screenToWorld(camera, this.stage.clientWidth, this.stage.clientHeight, mid[0], mid[1]) + } + if (this.tapStart) this.tapStart.moved = true + } + this.updateCursor() + } + + private onPointerMove = (ev: PointerEvent) => { + const rect = this.stage.getBoundingClientRect() + const local: [number, number] = [ev.clientX - rect.left, ev.clientY - rect.top] + this.pointerScreen = local + if (this.pointers.has(ev.pointerId)) { + this.pointers.set(ev.pointerId, { x: ev.clientX, y: ev.clientY }) + } + + if (this.tapStart) { + const dx = local[0] - this.tapStart.x + const dy = local[1] - this.tapStart.y + if (Math.hypot(dx, dy) > 6) this.tapStart.moved = true + } + + if (this.gesture?.type === 'pan' && this.pointers.size === 1) { + const dx = ev.clientX - this.gesture.lastX + const dy = ev.clientY - this.gesture.lastY + this.gesture.lastX = ev.clientX + this.gesture.lastY = ev.clientY + if (dx || dy) { + const camera = this.camera + this.setCamera({ + scale: camera.scale, + cx: camera.cx - dx / camera.scale, + cy: camera.cy + dy / camera.scale + }) + this.applyPreview() + } + } else if (this.gesture?.type === 'pinch' && this.pointers.size >= 2) { + const [a, b] = [...this.pointers.values()] + const mid: [number, number] = [ + (a.x + b.x) / 2 - rect.left, + (a.y + b.y) / 2 - rect.top + ] + const dist = Math.hypot(a.x - b.x, a.y - b.y) + const space = this.space + const fit = this.fitScales.get(space.id) ?? this.gesture.startScale + const next = clamp( + this.gesture.startScale * (dist / this.gesture.startDist), + fit * 0.02, + fit * 6000 + ) + this.setCamera({ + scale: next, + cx: this.gesture.worldMid[0] - (mid[0] - this.stage.clientWidth / 2) / next, + cy: this.gesture.worldMid[1] + (mid[1] - this.stage.clientHeight / 2) / next + }) + this.applyPreview() + this.updateStatus() + } + + if (ev.pointerType === 'mouse' && !this.gesture) { + const world = screenToWorld(this.camera, this.stage.clientWidth, this.stage.clientHeight, local[0], local[1]) + this.updateCoordinateStatus(world[0], world[1]) + } + if (this.pendingStart.has(this.space.id) && this.measureMode) this.renderOverlay() + } + + private onPointerUp = (ev: PointerEvent) => { + const wasPan = this.gesture?.type + this.pointers.delete(ev.pointerId) + const rect = this.stage.getBoundingClientRect() + const x = ev.clientX - rect.left + const y = ev.clientY - rect.top + const singleTap = + this.pointers.size === 0 && + this.tapStart != null && + !this.tapStart.moved && + performance.now() - this.tapStart.time < 600 && + wasPan !== 'pinch' + + if (singleTap && this.tapStart) { + const now = performance.now() + const isDouble = + !this.measureMode && + ev.pointerType !== 'mouse' && + now - this.lastTap.time < 320 && + Math.hypot(x - this.lastTap.x, y - this.lastTap.y) < 26 + if (isDouble) { + this.zoomAt(x, y, 1.85) + this.lastTap = { time: 0, x: 0, y: 0 } + } else { + this.lastTap = { time: now, x, y } + if (this.measureMode) this.handleMeasureTap(x, y) + } + } + + if (this.pointers.size === 0) { + this.gesture = null + this.tapStart = null + } else if (this.pointers.size === 1) { + const remaining = [...this.pointers.values()][0] + this.gesture = { type: 'pan', lastX: remaining.x, lastY: remaining.y } + } + if (ev.pointerType !== 'mouse') this.pointerScreen = null + this.updateStatus() + this.updateCursor() + if (this.pointers.size === 0) { + if (this.previewing) this.scheduleFullSoon(60) + } + } + + private onPointerCancel = (ev: PointerEvent) => { + this.pointers.delete(ev.pointerId) + if (this.pointers.size === 0) { + this.gesture = null + this.tapStart = null + if (this.previewing) this.scheduleFullSoon(60) + } + } + + private onWheel = (ev: WheelEvent) => { + ev.preventDefault() + const rect = this.stage.getBoundingClientRect() + const factor = Math.exp(-ev.deltaY * 0.0016) + this.zoomAt(ev.clientX - rect.left, ev.clientY - rect.top, factor) + this.hideHint() + } + + private onDoubleClick = (ev: MouseEvent) => { + const rect = this.stage.getBoundingClientRect() + this.zoomAt(ev.clientX - rect.left, ev.clientY - rect.top, 1.85) + } + + private handleMeasureTap(x: number, y: number): void { + const width = this.stage.clientWidth + const height = this.stage.clientHeight + const world = screenToWorld(this.camera, width, height, x, y) + const space = this.space + const pending = this.pendingStart.get(space.id) + if (!pending) { + this.pendingStart.set(space.id, world) + this.updateStatus('测量：请点击第二点') + } else { + const dist = Math.hypot(world[0] - pending[0], world[1] - pending[1]) + if (dist > 1e-9) { + const list = this.measurements.get(space.id) ?? [] + list.push({ a: pending, b: world }) + this.measurements.set(space.id, list) + } + this.pendingStart.delete(space.id) + this.updateClearButton() + this.updateStatus() + } + this.renderOverlay() + } + + private toggleMeasure(): void { + this.measureMode = !this.measureMode + this.measureBtn.classList.toggle('active', this.measureMode) + if (!this.measureMode) { + this.pendingStart.delete(this.space.id) + this.pointerScreen = null + } else { + this.pendingStart.delete(this.space.id) + toast('测量模式：点击两点测量距离', 'info', 2200) + } + this.updateClearButton() + this.updateStatus() + this.updateCursor() + this.renderOverlay() + } + + private clearMeasurements(): void { + this.measurements.delete(this.space.id) + this.pendingStart.delete(this.space.id) + this.updateClearButton() + this.updateStatus() + this.renderOverlay() + } + + private updateClearButton(): void { + const has = (this.measurements.get(this.space.id)?.length ?? 0) > 0 || this.pendingStart.has(this.space.id) + this.clearBtn.classList.toggle('tool-hidden', !has && !this.measureMode) + } + + private toggleProxyObjects(): void { + this.proxyVisible = !this.proxyVisible + this.updateProxyButton() + this.schedule() + toast(this.proxyVisible ? '已显示代理对象' : '已隐藏代理对象') + } + + private updateProxyButton(): void { + if (!this.proxyBtn) return + this.proxyBtn.classList.toggle('active', this.proxyVisible) + this.proxyBtn.setAttribute('aria-pressed', this.proxyVisible ? 'true' : 'false') + this.proxyBtn.setAttribute('title', this.proxyVisible ? '隐藏代理对象' : '显示代理对象') + } + + private updateCursor(): void { + this.canvas.classList.toggle('crosshair', this.measureMode) + } + + private updateThemeButton(): void { + if (!this.themeBtn) return + this.themeBtn.innerHTML = icon(getTheme() === 'dark' ? 'sun' : 'moon', 20) + this.themeBtn.setAttribute('title', getTheme() === 'dark' ? '切换为浅色背景' : '切换为深色背景') + } + + private hintText(): string { + const coarse = window.matchMedia?.('(pointer: coarse)').matches + return coarse ? '双指缩放 · 单指拖动 · 点“适配”查看全图' : '滚轮缩放 · 拖动平移 · 点“适配”查看全图' + } + + private hideHint(): void { + if (this.hintTimer) { + window.clearTimeout(this.hintTimer) + this.hintTimer = 0 + } + if (this.hint) { + this.hint.classList.add('hide') + window.setTimeout(() => this.hint?.remove(), 400) + } + } + + private async toggleFullscreen(): Promise { + try { + if (!document.fullscreenElement) { + await this.host.root.requestFullscreen?.() + } else { + await document.exitFullscreen?.() + } + } catch { + toast('当前浏览器不支持全屏', 'error') + } + } + + private onFullscreenChange = () => { + if (!this.fullscreenBtn) return + const active = !!document.fullscreenElement + this.fullscreenBtn.innerHTML = icon(active ? 'minimize' : 'maximize', 20) + this.fullscreenBtn.setAttribute('title', active ? '退出全屏' : '全屏') + window.setTimeout(() => this.resize(), 80) + } + + private exportPng(): void { + this.render() + const output = document.createElement('canvas') + output.width = this.canvas.width + output.height = this.canvas.height + const outputCtx = output.getContext('2d') + if (!outputCtx) { + toast('导出失败', 'error') + return + } + outputCtx.drawImage(this.canvas, 0, 0) + outputCtx.drawImage(this.overlayCanvas, 0, 0) + output.toBlob((blob) => { + if (!blob) { + toast('导出失败', 'error') + return + } + const base = this.doc.fileName.replace(/\.[^.]+$/, '') || 'drawing' + const safeSpace = this.space.name.replace(/[\\/:*?"<>|]+/g, '_') + const fileName = `${base}-${safeSpace}.png` + const bridge = ( + window as unknown as { + AndroidViewer?: { saveBase64?: (name: string, mime: string, data: string) => void } + } + ).AndroidViewer + if (bridge?.saveBase64) { + const reader = new FileReader() + reader.onload = () => { + try { + const result = String(reader.result ?? '') + const data = result.includes(',') ? result.slice(result.indexOf(',') + 1) : result + bridge.saveBase64?.(fileName, 'image/png', data) + toast('已保存到 Android 下载目录', 'success') + } catch { + toast('保存失败', 'error') + } + } + reader.onerror = () => toast('保存失败', 'error') + reader.readAsDataURL(blob) + return + } + const url = URL.createObjectURL(blob) + const a = document.createElement('a') + a.href = url + a.download = fileName + document.body.appendChild(a) + a.click() + a.remove() + window.setTimeout(() => URL.revokeObjectURL(url), 4000) + toast('已保存当前视图', 'success') + }, 'image/png') + } + + private onKeyDown = (ev: KeyboardEvent) => { + if (document.activeElement && /^(input|textarea|select)$/i.test(document.activeElement.tagName)) return + const target = ev.target as HTMLElement | null + if (target && target.closest('.sheet')) return + switch (ev.key) { + case '+': + case '=': + ev.preventDefault() + this.zoomBy(1.3) + break + case '-': + case '_': + ev.preventDefault() + this.zoomBy(1 / 1.3) + break + case '0': + ev.preventDefault() + this.fitCurrent() + break + case 'm': + case 'M': + ev.preventDefault() + this.toggleMeasure() + break + case 'l': + case 'L': + ev.preventDefault() + this.openSheet() + break + case 'Escape': + if (this.sheetBackdrop.classList.contains('open')) { + this.closeSheet() + } else if (this.measureMode) { + this.toggleMeasure() + } + break + case 'ArrowLeft': + this.panByKey(80, 0) + ev.preventDefault() + break + case 'ArrowRight': + this.panByKey(-80, 0) + ev.preventDefault() + break + case 'ArrowUp': + this.panByKey(0, 80) + ev.preventDefault() + break + case 'ArrowDown': + this.panByKey(0, -80) + ev.preventDefault() + break + case 'f': + case 'F': + void this.toggleFullscreen() + break + default: + break + } + } + + private panByKey(dx: number, dy: number): void { + const camera = this.camera + this.setCamera({ + scale: camera.scale, + cx: camera.cx - dx / camera.scale, + cy: camera.cy + dy / camera.scale + }) + this.updateStatus() + this.applyPreview() + this.scheduleFullSoon(140) + } + + destroy(): void { + if (this.destroyed) return + this.destroyed = true + cancelAnimationFrame(this.raf) + this.resizeObserver?.disconnect() + window.removeEventListener('orientationchange', this.onOrientation) + document.removeEventListener('keydown', this.onKeyDown) + document.removeEventListener('fullscreenchange', this.onFullscreenChange) + this.themeUnsub?.() + if (this.coordTimer) window.clearTimeout(this.coordTimer) + if (this.hintTimer) window.clearTimeout(this.hintTimer) + this.canvas.removeEventListener('pointerdown', this.onPointerDown) + this.canvas.removeEventListener('pointermove', this.onPointerMove) + this.canvas.removeEventListener('pointerup', this.onPointerUp) + this.canvas.removeEventListener('pointercancel', this.onPointerCancel) + this.canvas.removeEventListener('wheel', this.onWheel) + this.canvas.removeEventListener('dblclick', this.onDoubleClick) + this.host.destroy() + } +} + diff --git a/src/cad/colors.ts b/src/cad/colors.ts new file mode 100644 index 0000000..2e3e8a1 --- /dev/null +++ b/src/cad/colors.ts @@ -0,0 +1,93 @@ +import type { Theme } from '../core/theme' + +export type ColorSpec = { kind: 'aci'; value: number } | { kind: 'rgb'; value: number } + +export const ACI_COLORS: readonly number[] = [ + 0, 16711680, 16776960, 65280, 65535, 255, 16711935, 16777215, 8421504, 12632256, 16711680, 16744319, + 13369344, 13395558, 10027008, 10046540, 8323072, 8339263, 4980736, 4990502, 16727808, 16752511, + 13382400, 13401958, 10036736, 10051404, 8331008, 8343359, 4985600, 4992806, 16744192, 16760703, + 13395456, 13408614, 10046464, 10056268, 8339200, 8347455, 4990464, 4995366, 16760576, 16768895, + 13408512, 13415014, 10056192, 10061132, 8347392, 8351551, 4995328, 4997670, 16776960, 16777087, + 13421568, 13421670, 10000384, 10000460, 8355584, 8355647, 5000192, 5000230, 12582656, 14679935, + 10079232, 11717734, 7510016, 8755276, 6258432, 7307071, 3755008, 4344870, 8388352, 12582783, + 6736896, 10079334, 5019648, 7510092, 4161280, 6258495, 2509824, 3755046, 4194048, 10485631, + 3394560, 8375398, 2529280, 6264908, 2064128, 5209919, 1264640, 3099686, 65280, 8388479, 52224, + 6736998, 38912, 5019724, 32512, 4161343, 19456, 2509862, 65343, 8388511, 52275, 6737023, 38950, + 5019743, 32543, 4161359, 19475, 2509871, 65407, 8388543, 52326, 6737049, 38988, 5019762, 32575, + 4161375, 19494, 2509881, 65471, 8388575, 52377, 6737074, 39026, 5019781, 32607, 4161391, 19513, + 2509890, 65535, 8388607, 52428, 6737100, 39064, 5019800, 32639, 4161407, 19532, 2509900, 49151, + 8380415, 39372, 6730444, 29336, 5014936, 24447, 4157311, 14668, 2507340, 32767, 8372223, 26316, + 6724044, 19608, 5010072, 16255, 4153215, 9804, 2505036, 16383, 8364031, 13260, 6717388, 9880, + 5005208, 8063, 4149119, 4940, 2502476, 255, 8355839, 204, 6710988, 152, 5000344, 127, 4145023, 76, + 2500172, 4129023, 10452991, 3342540, 8349388, 2490520, 6245528, 2031743, 5193599, 1245260, 3089996, + 8323327, 12550143, 6684876, 10053324, 4980888, 7490712, 4128895, 6242175, 2490444, 3745356, + 12517631, 14647295, 10027212, 11691724, 7471256, 8735896, 6226047, 7290751, 3735628, 4335180, + 16711935, 16744447, 13369548, 13395660, 9961624, 9981080, 8323199, 8339327, 4980812, 4990540, + 16711871, 16744415, 13369497, 13395634, 9961586, 9981061, 8323167, 8339311, 4980793, 4990530, + 16711807, 16744383, 13369446, 13395609, 9961548, 9981042, 8323135, 8339295, 4980774, 4990521, + 16711743, 16744351, 13369395, 13395583, 9961510, 9981023, 8323103, 8339279, 4980755, 4990511, + 3355443, 5987163, 8684676, 11382189, 14079702, 16777215, 0 +] + +export function rgbFromInt(value: number): [number, number, number] { + return [(value >> 16) & 0xff, (value >> 8) & 0xff, value & 0xff] +} + +export function rgbToHex(r: number, g: number, b: number): string { + return `#${((1 << 24) | (Math.round(r) << 16) | (Math.round(g) << 8) | Math.round(b)) + .toString(16) + .slice(1)}` +} + +export function cssColor(spec: ColorSpec, paper: boolean, theme: Theme): string { + if (spec.kind === 'aci') { + const index = Math.max(0, Math.min(255, Math.round(spec.value))) + if (index === 7) return paper ? '#111318' : theme === 'dark' ? '#f4f7fb' : '#111318' + if (index === 0 || index === 256) return paper ? '#111318' : theme === 'dark' ? '#f4f7fb' : '#111318' + const rgb = ACI_COLORS[index] ?? 0xffffff + const [r, g, b] = rgbFromInt(rgb) + return rgbToCss(adjust(r, g, b, paper ? false : theme === 'dark')) + } + const [r, g, b] = rgbFromInt(spec.value) + return rgbToCss(adjustTrueColor(r, g, b, paper ? false : theme === 'dark')) +} + +function rgbToCss([r, g, b]: [number, number, number]): string { + return `rgb(${r},${g},${b})` +} + +function adjust(r: number, g: number, b: number, dark: boolean): [number, number, number] { + const lum = (0.2126 * r + 0.7152 * g + 0.0722 * b) / 255 + if (dark) { + if (lum < 0.16) return mix(r, g, b, 255, 0.58) + if (lum < 0.28) return mix(r, g, b, 255, 0.26) + } else { + if (lum > 0.9) return mix(r, g, b, 0, 0.62) + if (lum > 0.8) return mix(r, g, b, 0, 0.22) + } + return [r, g, b] +} + +function adjustTrueColor(r: number, g: number, b: number, dark: boolean): [number, number, number] { + const lum = (0.2126 * r + 0.7152 * g + 0.0722 * b) / 255 + if (dark && lum < 0.1) return mix(r, g, b, 255, 0.72) + if (!dark && lum > 0.94) return mix(r, g, b, 0, 0.55) + return [r, g, b] +} + +function mix(r: number, g: number, b: number, target: number, amount: number): [number, number, number] { + return [ + Math.round(r + (target - r) * amount), + Math.round(g + (target - g) * amount), + Math.round(b + (target - b) * amount) + ] +} + +export function cssForAci(index: number, paper: boolean, theme: Theme): string { + return cssColor({ kind: 'aci', value: index }, paper, theme) +} + +export function luminanceOfRgb(value: number): number { + const [r, g, b] = rgbFromInt(value) + return (0.2126 * r + 0.7152 * g + 0.0722 * b) / 255 +} diff --git a/src/cad/dwgWorker.ts b/src/cad/dwgWorker.ts new file mode 100644 index 0000000..655dc0a --- /dev/null +++ b/src/cad/dwgWorker.ts @@ -0,0 +1,72 @@ +import { buildAcadDocument } from './acadAdapter' +import { slimDocument } from './slim' +import type { CadDocument } from './types' + +interface WorkerContext { + onmessage: ((event: MessageEvent) => void) | null + postMessage: (message: unknown, transfer?: Transferable[]) => void +} + +interface LoadMessage { + type: 'load' + file: File + name: string + size: number +} + +type InMessage = { type: 'init' } | LoadMessage + +const ctx = self as unknown as WorkerContext + +let busy = false + +function post(message: unknown): void { + ctx.postMessage(message) +} + +async function handleLoad(message: LoadMessage): Promise { + if (busy) { + post({ type: 'error', code: 'busy', message: '正在解析其他图纸，请稍候。' }) + return + } + busy = true + const started = performance.now() + try { + post({ type: 'progress', message: '正在读取文件…' }) + const readStart = performance.now() + const buffer = await message.file.arrayBuffer() + const readMs = performance.now() - readStart + post({ type: 'progress', message: '正在解析 DWG 图纸…' }) + const buildStart = performance.now() + const doc = buildAcadDocument(buffer, message.name, message.size) + const built = slimDocument(doc) + const buildMs = performance.now() - buildStart + post({ + type: 'done', + doc: built, + timings: { + readMs, + parseMs: buildMs, + buildMs, + totalMs: performance.now() - started + } + }) + } catch (error) { + const detail = error instanceof Error ? error.message : String(error) + post({ type: 'error', code: 'parse', message: detail }) + } finally { + busy = false + } +} + +ctx.onmessage = (event: MessageEvent) => { + const message = event.data as InMessage + if (!message) return + if (message.type === 'init') { + post({ type: 'ready' }) + return + } + if (message.type === 'load') { + void handleLoad(message) + } +} diff --git a/src/cad/geom.ts b/src/cad/geom.ts new file mode 100644 index 0000000..0c2caea --- /dev/null +++ b/src/cad/geom.ts @@ -0,0 +1,399 @@ +export type Mat = readonly [number, number, number, number, number, number] + +export const IDENTITY: Mat = [1, 0, 0, 1, 0, 0] + +export function matMul(a: Mat, b: Mat): Mat { + return [ + a[0] * b[0] + a[2] * b[1], + a[1] * b[0] + a[3] * b[1], + a[0] * b[2] + a[2] * b[3], + a[1] * b[2] + a[3] * b[3], + a[0] * b[4] + a[2] * b[5] + a[4], + a[1] * b[4] + a[3] * b[5] + a[5] + ] +} + +export function matTranslate(tx: number, ty: number): Mat { + return [1, 0, 0, 1, tx, ty] +} + +export function matScale(sx: number, sy: number): Mat { + return [sx, 0, 0, sy, 0, 0] +} + +export function matRotate(rad: number): Mat { + const c = Math.cos(rad) + const s = Math.sin(rad) + return [c, s, -s, c, 0, 0] +} + +export function applyMat(m: Mat, x: number, y: number): [number, number] { + return [m[0] * x + m[2] * y + m[4], m[1] * x + m[3] * y + m[5]] +} + +export function applyMatVec(m: Mat, x: number, y: number): [number, number] { + return [m[0] * x + m[2] * y, m[1] * x + m[3] * y] +} + +export function matDet(m: Mat): number { + return m[0] * m[3] - m[1] * m[2] +} + +export function matInvert(m: Mat): Mat | null { + const det = matDet(m) + if (!Number.isFinite(det) || Math.abs(det) < 1e-14) return null + const a = m[3] / det + const b = -m[1] / det + const c = -m[2] / det + const d = m[0] / det + return [a, b, c, d, -(a * m[4] + c * m[5]), -(b * m[4] + d * m[5])] +} + +export function matScaleX(m: Mat): number { + return Math.hypot(m[0], m[1]) +} + +export function matScaleY(m: Mat): number { + return Math.hypot(m[2], m[3]) +} + +export function matScaleAvg(m: Mat): number { + return Math.sqrt(Math.abs(matDet(m))) || matScaleX(m) +} + +export function isSimilarity(m: Mat, eps = 1e-5): boolean { + const sx = matScaleX(m) + const sy = matScaleY(m) + if (Math.abs(sx - sy) > eps * Math.max(1, sx, sy)) return false + const dot = m[0] * m[2] + m[1] * m[3] + return Math.abs(dot) <= eps * Math.max(1, sx * sy) +} + +export interface BBox { + minX: number + minY: number + maxX: number + maxY: number +} + +export function emptyBBox(): BBox { + return { minX: Infinity, minY: Infinity, maxX: -Infinity, maxY: -Infinity } +} + +export function bboxValid(b: BBox): boolean { + return ( + Number.isFinite(b.minX) && + Number.isFinite(b.minY) && + Number.isFinite(b.maxX) && + Number.isFinite(b.maxY) && + b.maxX >= b.minX && + b.maxY >= b.minY + ) +} + +export function bboxAddPoint(b: BBox, x: number, y: number): BBox { + if (!Number.isFinite(x) || !Number.isFinite(y)) return b + if (x < b.minX) b.minX = x + if (y < b.minY) b.minY = y + if (x > b.maxX) b.maxX = x + if (y > b.maxY) b.maxY = y + return b +} + +export function bboxFromPoints(points: ArrayLike, b: BBox = emptyBBox()): BBox { + for (let i = 0; i + 1 < points.length; i += 2) bboxAddPoint(b, points[i], points[i + 1]) + return b +} + +export function bboxUnion(a: BBox, b: BBox): BBox { + if (!bboxValid(a)) return { ...b } + if (!bboxValid(b)) return { ...a } + return { + minX: Math.min(a.minX, b.minX), + minY: Math.min(a.minY, b.minY), + maxX: Math.max(a.maxX, b.maxX), + maxY: Math.max(a.maxY, b.maxY) + } +} + +export function bboxTransform(m: Mat, b: BBox): BBox { + const out = emptyBBox() + bboxAddPoint(out, ...applyMat(m, b.minX, b.minY)) + bboxAddPoint(out, ...applyMat(m, b.maxX, b.minY)) + bboxAddPoint(out, ...applyMat(m, b.minX, b.maxY)) + bboxAddPoint(out, ...applyMat(m, b.maxX, b.maxY)) + return out +} + +export function bboxExpand(b: BBox, dx: number, dy = dx): BBox { + return { minX: b.minX - dx, minY: b.minY - dy, maxX: b.maxX + dx, maxY: b.maxY + dy } +} + +export function bboxWidth(b: BBox): number { + return b.maxX - b.minX +} + +export function bboxHeight(b: BBox): number { + return b.maxY - b.minY +} + +export function bboxCenter(b: BBox): [number, number] { + return [(b.minX + b.maxX) / 2, (b.minY + b.maxY) / 2] +} + +export function bboxIntersects(a: BBox, b: BBox): boolean { + return a.minX <= b.maxX && a.maxX >= b.minX && a.minY <= b.maxY && a.maxY >= b.minY +} + +export interface Camera { + scale: number + cx: number + cy: number +} + +export function cameraMatrix(cam: Camera, width: number, height: number): Mat { + const s = cam.scale + return [s, 0, 0, -s, width / 2 - s * cam.cx, height / 2 + s * cam.cy] +} + +export function worldToScreen( + cam: Camera, + width: number, + height: number, + x: number, + y: number +): [number, number] { + return [width / 2 + (x - cam.cx) * cam.scale, height / 2 - (y - cam.cy) * cam.scale] +} + +export function screenToWorld( + cam: Camera, + width: number, + height: number, + sx: number, + sy: number +): [number, number] { + return [cam.cx + (sx - width / 2) / cam.scale, cam.cy + (height / 2 - sy) / cam.scale] +} + +export function clamp(value: number, min: number, max: number): number { + return value < min ? min : value > max ? max : value +} + +export function arcSegmentCount(radiusScreen: number, sweep: number): number { + const r = Math.max(radiusScreen, 0.35) + const tolerance = 0.22 + const ratio = clamp(1 - tolerance / r, -1, 1) + const maxAngle = 2 * Math.acos(ratio) + const count = Math.ceil(Math.abs(sweep) / Math.max(maxAngle, 0.02)) + return clamp(count, 4, 1600) +} + +export function sampleArc( + cx: number, + cy: number, + r: number, + a0: number, + sweep: number, + radiusScreen: number, + out: number[] = [] +): number[] { + const n = arcSegmentCount(radiusScreen, sweep) + out.push(cx + r * Math.cos(a0), cy + r * Math.sin(a0)) + for (let i = 1; i <= n; i++) { + const a = a0 + (sweep * i) / n + out.push(cx + r * Math.cos(a), cy + r * Math.sin(a)) + } + return out +} + +export function sampleArcToPath( + cx: number, + cy: number, + r: number, + a0: number, + sweep: number, + radiusScreen: number, + moveTo: (x: number, y: number) => void, + lineTo: (x: number, y: number) => void +): void { + const n = arcSegmentCount(radiusScreen, sweep) + moveTo(cx + r * Math.cos(a0), cy + r * Math.sin(a0)) + for (let i = 1; i <= n; i++) { + const a = a0 + (sweep * i) / n + lineTo(cx + r * Math.cos(a), cy + r * Math.sin(a)) + } +} + +export function sampleEllipse( + cx: number, + cy: number, + mx: number, + my: number, + ratio: number, + a0: number, + sweep: number, + radiusScreen: number, + out: number[] = [] +): number[] { + const nx = -my * ratio + const ny = mx * ratio + const n = arcSegmentCount(radiusScreen, sweep) + const c0 = Math.cos(a0) + const s0 = Math.sin(a0) + out.push(cx + mx * c0 + nx * s0, cy + my * c0 + ny * s0) + for (let i = 1; i <= n; i++) { + const a = a0 + (sweep * i) / n + const c = Math.cos(a) + const s = Math.sin(a) + out.push(cx + mx * c + nx * s, cy + my * c + ny * s) + } + return out +} + +export function sampleEllipseToPath( + cx: number, + cy: number, + mx: number, + my: number, + ratio: number, + a0: number, + sweep: number, + radiusScreen: number, + moveTo: (x: number, y: number) => void, + lineTo: (x: number, y: number) => void +): void { + const nx = -my * ratio + const ny = mx * ratio + const n = arcSegmentCount(radiusScreen, sweep) + const c0 = Math.cos(a0) + const s0 = Math.sin(a0) + moveTo(cx + mx * c0 + nx * s0, cy + my * c0 + ny * s0) + for (let i = 1; i <= n; i++) { + const a = a0 + (sweep * i) / n + const c = Math.cos(a) + const s = Math.sin(a) + lineTo(cx + mx * c + nx * s, cy + my * c + ny * s) + } +} + +export interface BulgeArc { + cx: number + cy: number + r: number + a0: number + sweep: number +} + +export function bulgeToArc(x1: number, y1: number, x2: number, y2: number, bulge: number): BulgeArc | null { + if (!Number.isFinite(bulge) || Math.abs(bulge) < 1e-12) return null + const dx = x2 - x1 + const dy = y2 - y1 + const chord = Math.hypot(dx, dy) + if (chord < 1e-12) return null + const theta = 4 * Math.atan(bulge) + const half = Math.abs(theta) / 2 + const r = chord / (2 * Math.sin(half)) + if (!Number.isFinite(r) || r <= 0) return null + const mx = (x1 + x2) / 2 + const my = (y1 + y2) / 2 + const nx = -dy / chord + const ny = dx / chord + const d = chord / 2 / Math.tan(theta / 2) + const cx = mx + nx * d + const cy = my + ny * d + const a0 = Math.atan2(y1 - cy, x1 - cx) + return { cx, cy, r, a0, sweep: theta } +} + +export function splineDomain(knots: number[], degree: number, count: number): [number, number] { + if (knots.length < count + degree + 1 || count <= degree) { + return [0, 1] + } + return [knots[degree], knots[count]] +} + +export function evaluateSpline( + control: number[], + degree: number, + knots: number[], + weights: number[] | undefined, + t: number +): [number, number] { + const count = control.length / 2 + if (count === 0) return [0, 0] + if (count <= degree || knots.length < count + degree + 1) { + const firstX = control[0] + const firstY = control[1] + return [firstX, firstY] + } + let k = degree + for (let i = degree; i < count; i++) { + if (t >= knots[i] && t <= knots[i + 1]) { + k = i + if (t < knots[i + 1]) break + } + } + const pts: Array<[number, number, number]> = [] + for (let j = 0; j <= degree; j++) { + const idx = k - degree + j + const w = weights && weights.length > idx ? weights[idx] : 1 + pts.push([control[idx * 2] * w, control[idx * 2 + 1] * w, w]) + } + for (let r = 1; r <= degree; r++) { + for (let j = degree; j >= r; j--) { + const i = k - degree + j + const denom = knots[i + degree + 1 - r] - knots[i] + const alpha = denom === 0 ? 0 : (t - knots[i]) / denom + const prev = pts[j - 1] + const cur = pts[j] + pts[j] = [ + prev[0] * (1 - alpha) + cur[0] * alpha, + prev[1] * (1 - alpha) + cur[1] * alpha, + prev[2] * (1 - alpha) + cur[2] * alpha + ] + } + } + const result = pts[degree] + return [result[2] === 0 ? 0 : result[0] / result[2], result[2] === 0 ? 0 : result[1] / result[2]] +} + +export function sampleSpline( + control: number[], + degree: number, + knots: number[], + weights: number[] | undefined, + segments: number, + out: number[] = [] +): number[] { + const count = control.length / 2 + if (count === 0) return out + if (count === 1) { + out.push(control[0], control[1]) + return out + } + if (degree < 1 || count <= degree || knots.length < count + degree + 1) { + for (let i = 0; i < control.length; i++) out.push(control[i]) + return out + } + const [start, end] = splineDomain(knots, degree, count) + if (!(end > start)) { + for (let i = 0; i < control.length; i++) out.push(control[i]) + return out + } + const n = clamp(Math.round(segments), 8, 2048) + for (let i = 0; i <= n; i++) { + const t = start + ((end - start) * i) / n + const p = evaluateSpline(control, degree, knots, weights, t) + out.push(p[0], p[1]) + } + return out +} + +export function formatNumber(value: number, maxDecimals = 3): string { + if (!Number.isFinite(value)) return '—' + const abs = Math.abs(value) + if (abs >= 1e7 || (abs > 0 && abs < 1e-4)) return value.toExponential(2) + const fixed = value.toFixed(maxDecimals) + return fixed.replace(/\.?0+$/, '') +} diff --git a/src/cad/loader.ts b/src/cad/loader.ts new file mode 100644 index 0000000..a3bf013 --- /dev/null +++ b/src/cad/loader.ts @@ -0,0 +1,186 @@ +import type { CadDocument } from './types' +import { slimDocument } from './slim' + +interface WorkerDoneMessage { + type: 'done' + doc: CadDocument + timings?: { readMs: number; parseMs: number; buildMs: number; totalMs: number } +} + +interface WorkerMessage { + type: 'progress' | 'ready' | 'done' | 'error' + message?: string + code?: string + doc?: CadDocument + timings?: WorkerDoneMessage['timings'] +} + +interface ActiveLoad { + resolve: (doc: CadDocument) => void + reject: (error: Error) => void + onProgress?: (message: string) => void +} + +let worker: Worker | null = null +let workerDisabled = false +let enginePromise: Promise | null = null +let engineResolve: (() => void) | null = null +let engineReject: ((error: Error) => void) | null = null +let engineTimer = 0 +let activeLoad: ActiveLoad | null = null + +function disableWorker(error: Error): void { + workerDisabled = true + if (engineTimer) { + window.clearTimeout(engineTimer) + engineTimer = 0 + } + if (engineReject) { + engineReject(error) + engineReject = null + engineResolve = null + enginePromise = null + } + if (activeLoad) { + activeLoad.reject(error) + activeLoad = null + } + try { + worker?.terminate() + } catch { + /* ignore */ + } + worker = null +} + +function handleWorkerMessage(event: MessageEvent): void { + const message = event.data as WorkerMessage + if (!message) return + if (message.type === 'progress') { + activeLoad?.onProgress?.(message.message ?? '') + return + } + if (message.type === 'ready') { + if (engineTimer) { + window.clearTimeout(engineTimer) + engineTimer = 0 + } + const resolve = engineResolve + engineResolve = null + engineReject = null + resolve?.() + return + } + if (message.type === 'done' && message.doc) { + if (message.timings) { + console.info( + `[dwg] read ${Math.round(message.timings.readMs)}ms · parse ${Math.round( + message.timings.parseMs + )}ms · build ${Math.round(message.timings.buildMs)}ms · total ${Math.round( + message.timings.totalMs + )}ms` + ) + } + const active = activeLoad + activeLoad = null + active?.resolve(message.doc) + return + } + if (message.type === 'error') { + const error = new Error(message.message || 'DWG 解析失败') + if (message.code === 'engine') { + disableWorker(error) + return + } + const active = activeLoad + activeLoad = null + active?.reject(error) + } +} + +function ensureWorker(): Worker | null { + if (workerDisabled) return null + if (!worker) { + try { + worker = new Worker(new URL('./dwgWorker.ts', import.meta.url), { type: 'module' }) + } catch { + workerDisabled = true + return null + } + worker.onmessage = handleWorkerMessage + worker.onerror = () => { + disableWorker(new Error('DWG 解析 Worker 启动失败')) + } + } + if (!enginePromise) { + enginePromise = new Promise((resolve, reject) => { + engineResolve = resolve + engineReject = reject + engineTimer = window.setTimeout(() => { + disableWorker(new Error('DWG 引擎加载超时')) + }, 60000) + try { + worker!.postMessage({ type: 'init' }) + } catch (error) { + disableWorker(error instanceof Error ? error : new Error(String(error))) + } + }) + } + return worker +} + +export async function preloadDwgEngine(): Promise { + const instance = ensureWorker() + if (!instance || !enginePromise) return + try { + await enginePromise + } catch { + /* main-thread fallback will be used on open */ + } +} + +export async function loadDwg( + file: File, + onProgress?: (message: string) => void +): Promise { + const instance = ensureWorker() + if (!instance || !enginePromise) { + return loadDwgOnMainThread(file, onProgress) + } + try { + await enginePromise + } catch { + return loadDwgOnMainThread(file, onProgress) + } + if (workerDisabled || !worker) { + return loadDwgOnMainThread(file, onProgress) + } + try { + return await new Promise((resolve, reject) => { + activeLoad = { resolve, reject, onProgress } + worker!.postMessage({ + type: 'load', + file, + name: file.name, + size: file.size + }) + }) + } catch (error) { + const failure = error instanceof Error ? error : new Error(String(error)) + disableWorker(failure) + return loadDwgOnMainThread(file, onProgress) + } +} + +async function loadDwgOnMainThread( + file: File, + onProgress?: (message: string) => void +): Promise { + onProgress?.('正在读取文件…') + const buffer = await file.arrayBuffer() + onProgress?.('正在解析 DWG 图纸…') + await new Promise((resolve) => setTimeout(resolve, 20)) + const { buildAcadDocument } = await import('./acadAdapter') + const doc = buildAcadDocument(buffer, file.name, file.size) + return slimDocument(doc) +} diff --git a/src/cad/polyfills.ts b/src/cad/polyfills.ts new file mode 100644 index 0000000..7908d74 --- /dev/null +++ b/src/cad/polyfills.ts @@ -0,0 +1,75 @@ +if (!(Array.prototype as any).at) { + Object.defineProperty(Array.prototype, 'at', { + configurable: true, + writable: true, + value(this: unknown[], index: number) { + const length = this.length + let key = Math.trunc(Number(index)) || 0 + if (key < 0) key += length + if (key < 0 || key >= length) return undefined + return this[key] + } + }) +} + +if (!(String.prototype as any).at) { + Object.defineProperty(String.prototype, 'at', { + configurable: true, + writable: true, + value(this: string, index: number) { + const length = this.length + let key = Math.trunc(Number(index)) || 0 + if (key < 0) key += length + if (key < 0 || key >= length) return undefined + return this.charAt(key) + } + }) +} + +if (!(String.prototype as any).replaceAll) { + Object.defineProperty(String.prototype, 'replaceAll', { + configurable: true, + writable: true, + value(this: string, search: string | RegExp, replacement: string) { + if (search instanceof RegExp) { + if (!search.global) throw new TypeError('replaceAll requires a global RegExp') + return this.replace(search, replacement) + } + return this.split(search).join(replacement) + } + }) +} + +if (!(Object as any).hasOwn) { + Object.hasOwn = (object: object, key: PropertyKey) => + Object.prototype.hasOwnProperty.call(object, key) +} + +const dataView = DataView.prototype as any +if (!dataView.getBigInt64) { + dataView.getBigInt64 = function (this: DataView, byteOffset = 0, littleEndian = false) { + const high = this.getInt32(littleEndian ? byteOffset + 4 : byteOffset, littleEndian) + const low = this.getUint32(littleEndian ? byteOffset : byteOffset + 4, littleEndian) + return high * 4294967296 + low + } +} +if (!dataView.getBigUint64) { + dataView.getBigUint64 = function (this: DataView, byteOffset = 0, littleEndian = false) { + const high = this.getUint32(littleEndian ? byteOffset + 4 : byteOffset, littleEndian) + const low = this.getUint32(littleEndian ? byteOffset : byteOffset + 4, littleEndian) + return high * 4294967296 + low + } +} + +if (typeof crypto !== 'undefined' && !(crypto as any).randomUUID) { + ;(crypto as any).randomUUID = function () { + const bytes = new Uint8Array(16) + crypto.getRandomValues(bytes) + bytes[6] = (bytes[6] & 0x0f) | 0x40 + bytes[8] = (bytes[8] & 0x3f) | 0x80 + const hex = [...bytes].map((value) => value.toString(16).padStart(2, '0')) + return `${hex.slice(0, 4).join('')}-${hex.slice(4, 6).join('')}-${hex.slice(6, 8).join('')}-${hex + .slice(8, 10) + .join('')}-${hex.slice(10).join('')}` + } +} diff --git a/src/cad/renderer.ts b/src/cad/renderer.ts new file mode 100644 index 0000000..1a2459e --- /dev/null +++ b/src/cad/renderer.ts @@ -0,0 +1,643 @@ +import type { DwgViewportEntity } from '@mlightcad/libredwg-web' +import type { Camera, Mat } from './geom' +import { + applyMat, + applyMatVec, + bboxFromPoints, + bboxHeight, + bboxIntersects, + bboxTransform, + bboxUnion, + bboxValid, + bboxWidth, + bulgeToArc, + cameraMatrix, + clamp, + emptyBBox, + matInvert, + matMul, + matRotate, + matScale, + matScaleAvg, + matScaleY, + matTranslate, + sampleArcToPath, + sampleEllipseToPath, + sampleSpline +} from './geom' +import { cssColor } from './colors' +import type { CadDocument, CadSpace, Primitive } from './types' +import type { Theme } from '../core/theme' + +export interface RenderOptions { + layerVisible: (name: string) => boolean + proxyVisible?: boolean + theme: Theme +} + +const FONT_FAMILY = + '"Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif' + +const MODEL_BG = { dark: '#0d1117', light: '#f6f8fc' } +const LAYOUT_BG = { dark: '#121722', light: '#e8edf5' } +const PAGE_COLOR = '#ffffff' + +export class CadRenderer { + private doc: CadDocument + private layerHandleToName = new Map() + + constructor(doc: CadDocument) { + this.doc = doc + for (const layer of doc.layers) { + if (layer.handle) this.layerHandleToName.set(layer.handle, layer.name) + } + } + + draw( + ctx: CanvasRenderingContext2D, + space: CadSpace, + camera: Camera, + width: number, + height: number, + options: RenderOptions + ): void { + const theme = options.theme + const isLayout = space.kind === 'layout' + ctx.save() + ctx.fillStyle = isLayout ? LAYOUT_BG[theme] : MODEL_BG[theme] + ctx.fillRect(0, 0, width, height) + + const cameraMat = cameraMatrix(camera, width, height) + if (isLayout) { + this.drawLayout(ctx, space, camera, cameraMat, width, height, options) + } else { + this.drawPrimitives(ctx, space, cameraMat, camera, false, options) + } + ctx.restore() + } + + private drawLayout( + ctx: CanvasRenderingContext2D, + space: CadSpace, + camera: Camera, + cameraMat: Mat, + _width: number, + _height: number, + options: RenderOptions + ): void { + const page = space.bbox + if (!bboxValid(page)) return + const p0 = applyMat(cameraMat, page.minX, page.minY) + const p1 = applyMat(cameraMat, page.maxX, page.maxY) + const left = Math.min(p0[0], p1[0]) + const top = Math.min(p0[1], p1[1]) + const right = Math.max(p0[0], p1[0]) + const bottom = Math.max(p0[1], p1[1]) + const pageRect = { x: left, y: top, w: right - left, h: bottom - top } + + ctx.save() + ctx.shadowColor = 'rgba(0,0,0,0.38)' + ctx.shadowBlur = 22 + ctx.shadowOffsetY = 8 + ctx.fillStyle = PAGE_COLOR + ctx.fillRect(pageRect.x, pageRect.y, pageRect.w, pageRect.h) + ctx.restore() + + ctx.save() + ctx.beginPath() + ctx.rect(pageRect.x, pageRect.y, pageRect.w, pageRect.h) + ctx.clip() + + for (const vp of space.viewports) { + if (!this.isRenderableViewport(vp)) continue + this.drawViewport(ctx, space, vp, camera, cameraMat, options) + } + + this.drawPrimitives(ctx, space, cameraMat, camera, true, options) + + ctx.restore() + + ctx.strokeStyle = 'rgba(0,0,0,0.16)' + ctx.lineWidth = 1 + ctx.strokeRect(pageRect.x + 0.5, pageRect.y + 0.5, Math.max(0, pageRect.w - 1), Math.max(0, pageRect.h - 1)) + } + + private isRenderableViewport(vp: DwgViewportEntity): boolean { + const width = Math.abs(Number(vp.width) || 0) + const height = Math.abs(Number(vp.height) || 0) + const viewHeight = Math.abs(Number(vp.viewHeight) || 0) + if (width <= 0 || height <= 0 || viewHeight <= 0) return false + const flags = Number(vp.statusBitFlags) || 0 + if (flags & 131072) return false + return true + } + + private drawViewport( + ctx: CanvasRenderingContext2D, + space: CadSpace, + vp: DwgViewportEntity, + camera: Camera, + cameraMat: Mat, + options: RenderOptions + ): void { + const model = this.doc.model + if (!model) return + const width = Math.abs(Number(vp.width) || 0) + const height = Math.abs(Number(vp.height) || 0) + const viewHeight = Math.abs(Number(vp.viewHeight) || 0) + if (width <= 0 || height <= 0 || viewHeight <= 0) return + const center = vp.viewportCenter ?? { x: 0, y: 0 } + const viewCenter = vp.displayCenter ?? { x: 0, y: 0 } + const twist = Number(vp.viewTwistAngle) || 0 + const scale = height / viewHeight + let modelToPaper = matTranslate(Number(center.x) || 0, Number(center.y) || 0) + modelToPaper = matMul(modelToPaper, matRotate(-twist)) + modelToPaper = matMul(modelToPaper, matScale(scale, scale)) + modelToPaper = matMul( + modelToPaper, + matTranslate(-(Number(viewCenter.x) || 0), -(Number(viewCenter.y) || 0)) + ) + const totalMat = matMul(cameraMat, modelToPaper) + + const corners = [ + [Number(center.x) - width / 2, Number(center.y) - height / 2], + [Number(center.x) + width / 2, Number(center.y) - height / 2], + [Number(center.x) + width / 2, Number(center.y) + height / 2], + [Number(center.x) - width / 2, Number(center.y) + height / 2] + ].map(([x, y]) => applyMat(cameraMat, x, y)) + + const frozen = new Set() + if (Array.isArray(vp.frozenLayerIds)) { + for (const handle of vp.frozenLayerIds) { + const name = this.layerHandleToName.get(String(handle)) + if (name) frozen.add(name) + } + } + + ctx.save() + ctx.beginPath() + ctx.moveTo(corners[0][0], corners[0][1]) + for (let i = 1; i < corners.length; i++) ctx.lineTo(corners[i][0], corners[i][1]) + ctx.closePath() + ctx.clip() + this.drawPrimitives( + ctx, + model, + totalMat, + camera, + true, + options, + (prim) => !frozen.has(prim.layer) + ) + ctx.restore() + + if (this.isViewportFrameVisible(vp)) { + const c = corners + const minX = Math.min(...c.map((p) => p[0])) + const maxX = Math.max(...c.map((p) => p[0])) + const minY = Math.min(...c.map((p) => p[1])) + const maxY = Math.max(...c.map((p) => p[1])) + if (maxX - minX > 8 && maxY - minY > 8) { + ctx.save() + ctx.strokeStyle = options.theme === 'dark' ? 'rgba(0,0,0,0.22)' : 'rgba(30,50,90,0.18)' + ctx.lineWidth = 1 + ctx.setLineDash([4, 4]) + ctx.strokeRect(minX + 0.5, minY + 0.5, maxX - minX - 1, maxY - minY - 1) + ctx.restore() + } + } + void camera + } + + private isViewportFrameVisible(vp: DwgViewportEntity): boolean { + const flags = Number(vp.statusBitFlags) || 0 + return (flags & 131072) === 0 + } + + private drawPrimitives( + ctx: CanvasRenderingContext2D, + source: Pick, + totalMat: Mat, + _camera: Camera, + paper: boolean, + options: RenderOptions, + extraFilter?: (prim: Primitive) => boolean + ): void { + const cw = ctx.canvas.clientWidth || ctx.canvas.width + const ch = ctx.canvas.clientHeight || ctx.canvas.height + for (const prim of this.visiblePrimitives(source, totalMat, cw, ch)) { + if (!options.layerVisible(prim.layer)) continue + if (options.proxyVisible === false && prim.proxy) continue + if (extraFilter && !extraFilter(prim)) continue + let sb = null + if (!prim.ignoreBounds) { + sb = bboxTransform(totalMat, prim.bbox) + if (sb.maxX < -32 || sb.minX > cw + 32 || sb.maxY < -32 || sb.minY > ch + 32) { + continue + } + } + if (prim.kind === 'text') { + const size = prim.height * matScaleY(totalMat) + if (size < 2.8) continue + this.drawText(ctx, prim, totalMat, paper, options) + } else { + if (sb) { + const sw = sb.maxX - sb.minX + const sh = sb.maxY - sb.minY + if (Math.max(sw, sh) < 0.55) continue + } + this.drawPrimitive(ctx, prim, totalMat, paper, options) + } + } + } + + private visiblePrimitives( + source: Pick, + mat: Mat, + width: number, + height: number + ): Primitive[] { + const prims = source.prims + const grid = source.grid + const inverse = matInvert(mat) + if (!inverse) return [] + + const corners = [ + applyMat(inverse, -32, -32), + applyMat(inverse, width + 32, -32), + applyMat(inverse, -32, height + 32), + applyMat(inverse, width + 32, height + 32) + ] + let minX = Infinity + let minY = Infinity + let maxX = -Infinity + let maxY = -Infinity + for (const [x, y] of corners) { + if (x < minX) minX = x + if (y < minY) minY = y + if (x > maxX) maxX = x + if (y > maxY) maxY = y + } + const world = { minX, minY, maxX, maxY } + + if (!grid) { + return prims.filter((prim) => prim.ignoreBounds || bboxIntersects(prim.bbox, world)) + } + + const seen = new Uint8Array(prims.length) + const indices: number[] = [] + const add = (index: number) => { + if (seen[index]) return + seen[index] = 1 + const prim = prims[index] + if (prim && (prim.ignoreBounds || bboxIntersects(prim.bbox, world))) indices.push(index) + } + + for (const index of grid.big) add(index) + + const c0 = clamp(Math.floor((minX - grid.minX) / grid.cellW), 0, grid.cols - 1) + const c1 = clamp(Math.floor((maxX - grid.minX) / grid.cellW), 0, grid.cols - 1) + const r0 = clamp(Math.floor((minY - grid.minY) / grid.cellH), 0, grid.rows - 1) + const r1 = clamp(Math.floor((maxY - grid.minY) / grid.cellH), 0, grid.rows - 1) + for (let row = r0; row <= r1; row++) { + const base = row * grid.cols + for (let col = c0; col <= c1; col++) { + const cell = grid.cells[base + col] + if (!cell) continue + for (const index of cell) add(index) + } + } + + return indices.map((index) => prims[index]) + } + + private drawPrimitive( + ctx: CanvasRenderingContext2D, + prim: Exclude, + mat: Mat, + paper: boolean, + options: RenderOptions + ): void { + const scale = matScaleAvg(mat) + const color = cssColor(prim.color, paper, options.theme) + const lineWidth = Math.max(0.35, prim.width) + ctx.save() + ctx.lineWidth = lineWidth + ctx.strokeStyle = color + ctx.fillStyle = color + ctx.lineCap = 'butt' + ctx.lineJoin = 'round' + if (prim.alpha != null && prim.alpha < 1) ctx.globalAlpha = clamp(prim.alpha, 0.05, 1) + const dash = dashInPixels(prim.dash, scale) + if (dash) ctx.setLineDash(dash) + else ctx.setLineDash([]) + + switch (prim.kind) { + case 'poly': { + if (prim.points.length < 4) break + ctx.beginPath() + const p = applyMat(mat, prim.points[0], prim.points[1]) + ctx.moveTo(p[0], p[1]) + for (let i = 2; i < prim.points.length; i += 2) { + const q = applyMat(mat, prim.points[i], prim.points[i + 1]) + ctx.lineTo(q[0], q[1]) + } + if (prim.closed) ctx.closePath() + if (prim.fill) { + ctx.setLineDash([]) + ctx.fillStyle = prim.fillBackground + ? paper + ? PAGE_COLOR + : options.theme === 'dark' + ? MODEL_BG.dark + : MODEL_BG.light + : color + ctx.fill() + } + if (prim.stroke) { + if (prim.worldWidth && prim.worldWidth > 0) { + ctx.lineWidth = clamp(prim.worldWidth * scale, lineWidth, 48) + } + ctx.stroke() + } + break + } + case 'circle': { + const r = Math.max(0.1, prim.r * scale) + if (r < 0.25) break + ctx.beginPath() + sampleArcToPath( + prim.cx, + prim.cy, + prim.r, + 0, + Math.PI * 2, + r, + (x, y) => { + const p = applyMat(mat, x, y) + ctx.moveTo(p[0], p[1]) + }, + (x, y) => { + const p = applyMat(mat, x, y) + ctx.lineTo(p[0], p[1]) + } + ) + ctx.closePath() + if (prim.fill) ctx.fill() + ctx.stroke() + break + } + case 'arc': { + const r = Math.max(0.1, prim.r * scale) + if (r < 0.25) break + ctx.beginPath() + sampleArcToPath( + prim.cx, + prim.cy, + prim.r, + prim.a0, + prim.sweep, + r, + (x, y) => { + const p = applyMat(mat, x, y) + ctx.moveTo(p[0], p[1]) + }, + (x, y) => { + const p = applyMat(mat, x, y) + ctx.lineTo(p[0], p[1]) + } + ) + ctx.stroke() + break + } + case 'ellipse': { + const r = Math.max(0.1, Math.hypot(prim.mx, prim.my) * scale) + if (r < 0.25) break + ctx.beginPath() + sampleEllipseToPath( + prim.cx, + prim.cy, + prim.mx, + prim.my, + prim.ratio, + prim.a0, + prim.sweep, + r, + (x, y) => { + const p = applyMat(mat, x, y) + ctx.moveTo(p[0], p[1]) + }, + (x, y) => { + const p = applyMat(mat, x, y) + ctx.lineTo(p[0], p[1]) + } + ) + if (prim.fill) { + ctx.closePath() + ctx.fill() + } + ctx.stroke() + break + } + case 'bulge': { + if (prim.vertices.length < 2) break + ctx.beginPath() + const first = applyMat(mat, prim.vertices[0].x, prim.vertices[0].y) + ctx.moveTo(first[0], first[1]) + for (let i = 0; i < prim.vertices.length; i++) { + const next = i + 1 < prim.vertices.length ? i + 1 : prim.closed ? 0 : -1 + if (next < 0) break + const a = prim.vertices[i] + const b = prim.vertices[next] + const arc = bulgeToArc(a.x, a.y, b.x, b.y, a.bulge) + if (arc) { + const r = Math.max(0.1, arc.r * scale) + sampleArcToPath( + arc.cx, + arc.cy, + arc.r, + arc.a0, + arc.sweep, + r, + () => {}, + (x, y) => { + const p = applyMat(mat, x, y) + ctx.lineTo(p[0], p[1]) + } + ) + } else { + const p = applyMat(mat, b.x, b.y) + ctx.lineTo(p[0], p[1]) + } + } + if (prim.closed) ctx.closePath() + if (prim.worldWidth && prim.worldWidth > 0) ctx.lineWidth = clamp(prim.worldWidth * scale, lineWidth, 48) + ctx.stroke() + break + } + case 'spline': { + const local = bboxFromPoints(prim.control) + const extent = Math.max(bboxWidth(local), bboxHeight(local)) * scale + const spans = Math.max(1, prim.control.length / 2 - prim.degree) + const segments = clamp(Math.ceil(extent / 2.5) + spans * 6, 32, 1400) + const pts = sampleSpline(prim.control, prim.degree, prim.knots, prim.weights, segments) + if (pts.length < 4) break + ctx.beginPath() + const p0 = applyMat(mat, pts[0], pts[1]) + ctx.moveTo(p0[0], p0[1]) + for (let i = 2; i < pts.length; i += 2) { + const p = applyMat(mat, pts[i], pts[i + 1]) + ctx.lineTo(p[0], p[1]) + } + if (prim.closed) ctx.closePath() + ctx.stroke() + break + } + case 'hatch': { + ctx.beginPath() + for (const path of prim.paths) { + if (path.length < 6) continue + const p0 = applyMat(mat, path[0], path[1]) + ctx.moveTo(p0[0], p0[1]) + for (let i = 2; i < path.length; i += 2) { + const p = applyMat(mat, path[i], path[i + 1]) + ctx.lineTo(p[0], p[1]) + } + ctx.closePath() + } + if (prim.solid) { + ctx.setLineDash([]) + ctx.fill('evenodd') + break + } + const sb = bboxTransform(mat, prim.bbox) + if (!bboxValid(sb)) break + if (prim.patternSpacing * scale < 1.4) break + ctx.save() + ctx.clip('evenodd') + let spacing = Math.max(2, prim.patternSpacing * scale) + const angle = -prim.patternAngle + const dx = Math.cos(angle) + const dy = Math.sin(angle) + const nx = -dy + const ny = dx + const cx = (sb.minX + sb.maxX) / 2 + const cy = (sb.minY + sb.maxY) / 2 + const diagonal = Math.hypot(bboxWidth(sb), bboxHeight(sb)) + if ((diagonal * 2) / spacing > 12000) spacing = (diagonal * 2) / 12000 + ctx.beginPath() + const limit = diagonal + spacing + for (let offset = -limit; offset <= limit; offset += spacing) { + const ox = cx + nx * offset + const oy = cy + ny * offset + ctx.moveTo(ox - dx * limit, oy - dy * limit) + ctx.lineTo(ox + dx * limit, oy + dy * limit) + } + ctx.lineWidth = 0.7 + ctx.strokeStyle = color + ctx.setLineDash([]) + ctx.stroke() + ctx.restore() + break + } + case 'point': { + const p = applyMat(mat, prim.x, prim.y) + ctx.beginPath() + ctx.arc(p[0], p[1], 1.8, 0, Math.PI * 2) + ctx.fill() + ctx.strokeStyle = color + ctx.lineWidth = 1 + ctx.beginPath() + ctx.moveTo(p[0] - 3, p[1]) + ctx.lineTo(p[0] + 3, p[1]) + ctx.moveTo(p[0], p[1] - 3) + ctx.lineTo(p[0], p[1] + 3) + ctx.stroke() + break + } + case 'image': { + ctx.beginPath() + if (prim.points && prim.points.length >= 6) { + const p0 = applyMat(mat, prim.points[0], prim.points[1]) + ctx.moveTo(p0[0], p0[1]) + for (let i = 2; i < prim.points.length; i += 2) { + const p = applyMat(mat, prim.points[i], prim.points[i + 1]) + ctx.lineTo(p[0], p[1]) + } + ctx.closePath() + } else { + const a = applyMat(mat, prim.x1, prim.y1) + const b = applyMat(mat, prim.x2, prim.y2) + ctx.rect(a[0], a[1], b[0] - a[0], b[1] - a[1]) + } + ctx.globalAlpha = 0.16 + ctx.fillStyle = color + ctx.fill() + ctx.globalAlpha = 1 + ctx.setLineDash([5, 4]) + ctx.strokeStyle = color + ctx.lineWidth = 1 + ctx.stroke() + break + } + } + ctx.restore() + } + + private drawText( + ctx: CanvasRenderingContext2D, + prim: Extract, + mat: Mat, + paper: boolean, + options: RenderOptions + ): void { + if (!prim.lines.length) return + const anchor = applyMat(mat, prim.x, prim.y) + const yScale = Math.hypot(mat[2], mat[3]) + const size = prim.height * yScale + if (!Number.isFinite(size) || size < 2.4) return + if (size > 2600) return + const cos = Math.cos(prim.rotation) + const sin = Math.sin(prim.rotation) + const axis = applyMatVec(mat, cos, sin) + const angle = Math.atan2(axis[1], axis[0]) + const color = cssColor(prim.color, paper, options.theme) + const lineHeightPx = Math.max(size * 1.1, prim.lineHeight * yScale) + const totalHeight = lineHeightPx * prim.lines.length + + ctx.save() + ctx.translate(anchor[0], anchor[1]) + ctx.rotate(angle) + ctx.scale(prim.widthFactor * (prim.mirrored ? -1 : 1), 1) + ctx.font = `${Math.min(size, 2600)}px ${FONT_FAMILY}` + ctx.fillStyle = color + ctx.textAlign = prim.halign + ctx.setLineDash([]) + + if (prim.lines.length === 1 && (prim.valign === 'baseline' || prim.valign === 'bottom')) { + ctx.textBaseline = prim.valign === 'baseline' ? 'alphabetic' : 'bottom' + ctx.fillText(prim.lines[0], 0, 0) + } else { + ctx.textBaseline = 'top' + let y0 = 0 + if (prim.valign === 'middle') y0 = -totalHeight / 2 + else if (prim.valign === 'bottom') y0 = -totalHeight + for (let i = 0; i < prim.lines.length; i++) { + ctx.fillText(prim.lines[i], 0, y0 + i * lineHeightPx) + } + } + ctx.restore() + } +} + +function dashInPixels(dash: number[] | undefined, scale: number): number[] | null { + if (!dash || !dash.length) return null + let meaningful = false + const out: number[] = [] + for (const value of dash) { + const px = Math.max(0.3, value * scale) + if (px > 0.6) meaningful = true + out.push(Math.min(px, 400)) + } + return meaningful ? out : null +} diff --git a/src/cad/slim.ts b/src/cad/slim.ts new file mode 100644 index 0000000..706674d --- /dev/null +++ b/src/cad/slim.ts @@ -0,0 +1,21 @@ +import type { DwgDatabase } from '@mlightcad/libredwg-web' +import type { CadDocument, CadSpace } from './types' + +export function slimDocument(doc: CadDocument): CadDocument { + const spaces: CadSpace[] = doc.spaces.map((space) => ({ + ...space, + entities: [], + entityCount: space.entityCount ?? space.entities.length + })) + const model = spaces.find((space) => space.kind === 'model') ?? spaces[0] + return { + ...doc, + db: undefined as unknown as DwgDatabase, + blocks: new Map(), + blockByHandle: new Map(), + dashPatterns: new Map(), + imageNames: new Map(), + spaces, + model + } +} diff --git a/src/cad/text.ts b/src/cad/text.ts new file mode 100644 index 0000000..52d2a9e --- /dev/null +++ b/src/cad/text.ts @@ -0,0 +1,118 @@ +export function decodeCadEscapes(text: string): string { + if (!text) return '' + let out = text + out = out.replace(/\\U\+([0-9a-fA-F]{4})/g, (_m, hex: string) => String.fromCharCode(parseInt(hex, 16))) + out = out.replace(/%%([dDpPcC%])/g, (_m, code: string) => { + switch (code.toLowerCase()) { + case 'd': + return '°' + case 'p': + return '±' + case 'c': + return 'Ø' + case '%': + return '%' + default: + return '' + } + }) + out = out.replace(/\\P/gi, '\n') + out = out.replace(/\\~/g, ' ') + out = out.replace(/\\\\/g, '\\') + out = out.replace(/\\\{/g, '{').replace(/\\\}/g, '}') + out = out.replace(/[{}]/g, '') + out = out.replace(/\r/g, '') + return out +} + +export function parseMText(raw: string, width: number, height: number): string[] { + if (!raw) return [] + let text = raw + text = text.replace(/\\U\+([0-9a-fA-F]{4})/g, (_m, hex: string) => String.fromCharCode(parseInt(hex, 16))) + text = text.replace(/\\P/gi, '\n') + text = text.replace(/\\~/g, ' ') + text = text.replace(/\\S([^;]*);/g, (_m, stacked: string) => stacked.replace(/[\^#]/g, '/')) + text = text.replace(/\\[AaCcFfHhQqTtWwXx][^;\\]*;/g, '') + text = text.replace(/\\[LlOoKkNn]/g, '') + text = text.replace(/\\[a-zA-Z][^;\\]*;?/g, '') + text = text.replace(/%%([dDpPcC%])/g, (_m, code: string) => { + switch (code.toLowerCase()) { + case 'd': + return '°' + case 'p': + return '±' + case 'c': + return 'Ø' + case '%': + return '%' + default: + return '' + } + }) + text = text.replace(/\\\\/g, '\\') + text = text.replace(/\\\{/g, '{').replace(/\\\}/g, '}') + text = text.replace(/[{}]/g, '') + text = text.replace(/\r/g, '') + const explicit = text.split('\n') + const result: string[] = [] + for (const line of explicit) { + if (width > 0) { + result.push(...wrapLine(line, width, height)) + } else { + result.push(line.replace(/\s+$/, '')) + } + } + return result.filter((line, index, arr) => line.length > 0 || (index > 0 && index < arr.length - 1)) +} + +function charWidth(ch: string, height: number): number { + const code = ch.codePointAt(0) ?? 32 + if (code >= 0x2e80) return height + if (ch === ' ') return height * 0.32 + if (/[ilI1.,'`:;|!]/.test(ch)) return height * 0.28 + if (/[mwMW@%&]/.test(ch)) return height * 0.85 + if (/[A-Z]/.test(ch)) return height * 0.66 + if (/[0-9]/.test(ch)) return height * 0.58 + return height * 0.54 +} + +export function textWidth(text: string, height: number): number { + let width = 0 + for (const ch of text) width += charWidth(ch, height) + return width +} + +export function wrapLine(line: string, width: number, height: number): string[] { + const trimmed = line.trim() + if (!trimmed) return [''] + if (width <= 0 || textWidth(trimmed, height) <= width) return [trimmed] + const lines: string[] = [] + let current = '' + let currentWidth = 0 + let lastBreak = -1 + const chars = Array.from(trimmed) + for (let i = 0; i < chars.length; i++) { + const ch = chars[i] + const w = charWidth(ch, height) + if (currentWidth + w > width && current.length > 0) { + if (lastBreak > 0 && /[A-Za-z0-9]/.test(chars[i - 1] ?? '')) { + const head = current.slice(0, lastBreak) + const tail = current.slice(lastBreak).trimStart() + lines.push(head.trimEnd()) + current = tail + currentWidth = textWidth(current, height) + lastBreak = -1 + } else { + lines.push(current.trimEnd()) + current = '' + currentWidth = 0 + lastBreak = -1 + } + } + current += ch + currentWidth += w + if (ch === ' ' || ch === '-' || ch === '/') lastBreak = current.length + } + if (current.trim()) lines.push(current.trimEnd()) + return lines.length ? lines : [''] +} diff --git a/src/cad/types.ts b/src/cad/types.ts new file mode 100644 index 0000000..29d7588 --- /dev/null +++ b/src/cad/types.ts @@ -0,0 +1,196 @@ +import type { + DwgBlockRecordTableEntry, + DwgDatabase, + DwgEntity, + DwgLayoutObject, + DwgViewportEntity +} from '@mlightcad/libredwg-web' +import type { BBox, Mat } from './geom' +import type { ColorSpec } from './colors' + +export interface LayerInfo { + name: string + handle: string + aci: number + rgb?: number + visible: boolean + off: boolean + frozen: boolean + count: number + lineType: string + lineWeight: number +} + +export interface CadBlockInfo { + name: string + handle: string + layoutHandle: string + baseX: number + baseY: number + entities: DwgEntity[] +} + +export interface PrimBase { + layer: string + color: ColorSpec + width: number + worldWidth?: number + dash?: number[] + alpha?: number + bbox: BBox + mat: Mat + ignoreBounds?: boolean + proxy?: boolean +} + +export interface PolyPrim extends PrimBase { + kind: 'poly' + points: number[] + closed: boolean + fill: boolean + fillBackground?: boolean + stroke: boolean +} + +export interface BulgePrim extends PrimBase { + kind: 'bulge' + vertices: Array<{ x: number; y: number; bulge: number }> + closed: boolean +} + +export interface CirclePrim extends PrimBase { + kind: 'circle' + cx: number + cy: number + r: number + fill: boolean +} + +export interface ArcPrim extends PrimBase { + kind: 'arc' + cx: number + cy: number + r: number + a0: number + sweep: number +} + +export interface EllipsePrim extends PrimBase { + kind: 'ellipse' + cx: number + cy: number + mx: number + my: number + ratio: number + a0: number + sweep: number + fill: boolean +} + +export interface SplinePrim extends PrimBase { + kind: 'spline' + control: number[] + degree: number + knots: number[] + weights?: number[] + closed: boolean +} + +export interface TextPrim extends PrimBase { + kind: 'text' + x: number + y: number + height: number + rotation: number + lines: string[] + halign: 'left' | 'center' | 'right' + valign: 'baseline' | 'bottom' | 'middle' | 'top' + lineHeight: number + widthFactor: number + mirrored: boolean +} + +export interface HatchPrim extends PrimBase { + kind: 'hatch' + paths: number[][] + solid: boolean + patternName?: string + patternAngle: number + patternSpacing: number +} + +export interface PointPrim extends PrimBase { + kind: 'point' + x: number + y: number +} + +export interface ImagePrim extends PrimBase { + kind: 'image' + x1: number + y1: number + x2: number + y2: number + points?: number[] + label: string +} + +export type Primitive = + | PolyPrim + | BulgePrim + | CirclePrim + | ArcPrim + | EllipsePrim + | SplinePrim + | TextPrim + | HatchPrim + | PointPrim + | ImagePrim + +export interface SpaceGrid { + minX: number + minY: number + cellW: number + cellH: number + cols: number + rows: number + cells: number[][] + big: number[] +} + +export interface CadSpace { + id: string + name: string + kind: 'model' | 'layout' + blockHandle: string + entities: DwgEntity[] + entityCount: number + prims: Primitive[] + grid?: SpaceGrid + bbox: BBox + fitBBox?: BBox + savedView?: { cx: number; cy: number; width: number; height: number } + viewports: DwgViewportEntity[] + layout?: DwgLayoutObject +} + +export interface CadDocument { + db: DwgDatabase + fileName: string + fileSize: number + layers: LayerInfo[] + layerMap: Map + blocks: Map + blockByHandle: Map + dashPatterns: Map + imageNames: Map + spaces: CadSpace[] + model: CadSpace + units: string + unitLabel: string + version: string + unknownCount: number + warnings: string[] +} + +export type BlockRecord = DwgBlockRecordTableEntry diff --git a/src/core/app.ts b/src/core/app.ts new file mode 100644 index 0000000..820c98f --- /dev/null +++ b/src/core/app.ts @@ -0,0 +1,408 @@ +import { clear, h, icon, LOGO_SVG } from './dom' +import { initTheme } from './theme' +import { + formatBytes, + formatTimeAgo, + detectKind, + kindMeta, + mimeForKind, + readHead, + SUPPORTED_ACCEPT, + viewerFor, + type FileKind +} from './files' +import { clearRecent, deleteRecent, listRecent, loadRecentFile, saveRecent, type RecentItem } from './recent' +import { createViewerHost, type ViewerHost } from './viewerHost' +import { toast } from './toast' +import { confirmDialog, modalMessage } from '../ui/modal' +import { showGuide } from '../ui/guide' + +interface ActiveViewer { + destroy: () => void +} + +let host: ViewerHost | null = null +let activeViewer: ActiveViewer | null = null +let busy = false +let recentItems: RecentItem[] = [] +let dropDepth = 0 +let openToken = 0 + +let homeEl: HTMLElement +let viewerRoot: HTMLElement +let recentWrap: HTMLElement +let recentSection: HTMLElement +let fileInput: HTMLInputElement +let dropOverlay: HTMLElement + +export function initApp(): void { + initTheme() + const app = document.getElementById('app') + if (!app) throw new Error('app root missing') + + homeEl = buildHome() + viewerRoot = h('div', { class: 'viewer-root', hidden: true }) + app.append(homeEl, viewerRoot) + + fileInput = h('input', { + type: 'file', + accept: SUPPORTED_ACCEPT, + class: 'hidden-input', + 'aria-hidden': 'true', + tabindex: '-1' + }) + fileInput.addEventListener('change', () => { + const file = fileInput.files?.[0] + fileInput.value = '' + if (file) void openFile(file) + }) + document.body.appendChild(fileInput) + + dropOverlay = h( + 'div', + { class: 'drop-overlay' }, + h('div', { class: 'drop-box' }, h('span', { class: 'drop-icon', html: icon('folder-open', 40) }), h('strong', { text: '松开以打开文件' }), h('span', { text: 'DWG · PDF · EPUB · XPS · CBZ · 图片' })) + ) + document.body.appendChild(dropOverlay) + + bindGlobalEvents() + void refreshRecent() + handleLaunchQueue() + window.setTimeout(() => { + void import('../cad/loader') + .then((module) => module.preloadDwgEngine()) + .catch(() => {}) + }, 300) + ;(window as unknown as { __phoneViewerBack?: () => boolean }).__phoneViewerBack = () => { + const modalClose = document.querySelector('.modal-backdrop.show .modal-close') + if (modalClose) { + modalClose.click() + return true + } + const sheet = document.querySelector('.sheet-backdrop.open') + if (sheet) { + sheet.classList.remove('open') + return true + } + const menu = document.querySelector('.doc-menu.open') + if (menu) { + menu.classList.remove('open') + return true + } + const searchClose = document.querySelector( + '.doc-search button[aria-label="关闭查找"]' + ) + if (searchClose) { + searchClose.click() + return true + } + if (activeViewer) { + closeActiveViewer() + return true + } + return false + } + ;(window as unknown as { __phoneViewerOpenFile?: (file: File) => void }).__phoneViewerOpenFile = ( + file: File + ) => { + if (file) void openFile(file) + } +} + +function buildHome(): HTMLElement { + const guideBtn = h( + 'button', + { class: 'guide-btn', type: 'button', 'aria-label': '使用指南' }, + h('span', { html: icon('book-open', 18) }), + h('span', { text: '使用指南' }) + ) + guideBtn.addEventListener('click', () => showGuide()) + + const brand = h( + 'div', + { class: 'home-brand' }, + h('div', { class: 'brand-mark', html: LOGO_SVG }), + h('div', { class: 'brand-text' }, h('div', { class: 'brand-name', text: '万能看图' })) + ) + + const top = h( + 'header', + { class: 'home-top simple-top' }, + brand, + h('div', { class: 'home-actions' }, guideBtn) + ) + + const openBtn = h( + 'button', + { class: 'open-file-card', type: 'button' }, + h('span', { class: 'open-file-icon', html: icon('folder-open', 24) }), + h('span', { class: 'open-file-text' }, h('strong', { text: '打开图纸' })), + h('span', { class: 'open-file-arrow', html: icon('chevron-right', 20) }) + ) + openBtn.addEventListener('click', () => fileInput.click()) + + recentWrap = h('div', { class: 'recent-grid simple-recent-grid' }) + const clearBtn = h('button', { + class: 'btn btn-ghost btn-sm recent-clear', + type: 'button', + text: '清空记录', + hidden: true + }) + clearBtn.addEventListener('click', () => void clearAllRecent()) + + recentSection = h( + 'section', + { class: 'recent-section simple-recent' }, + h('div', { class: 'section-head' }, h('h2', { text: '最近打开' }), clearBtn), + recentWrap + ) + + return h( + 'div', + { class: 'home home-simple' }, + h('div', { class: 'home-inner simple-inner' }, top, openBtn, recentSection) + ) +} + +async function refreshRecent(): Promise { + recentItems = await listRecent() + renderRecent() +} + +function renderRecent(): void { + if (!recentWrap) return + clear(recentWrap) + const clearBtn = recentSection.querySelector('.recent-clear') + if (clearBtn) clearBtn.hidden = recentItems.length === 0 + if (!recentItems.length) { + recentWrap.appendChild( + h( + 'div', + { class: 'recent-empty' }, + h('span', { class: 'recent-empty-icon', html: icon('file', 26) }), + h('strong', { text: '还没有最近文件' }), + h('span', { text: '打开过的文件会显示在这里。' }) + ) + ) + return + } + for (const item of recentItems) { + const meta = kindMeta(item.kind) + const card = h('div', { + class: 'recent-card', + role: 'button', + tabindex: '0', + 'aria-label': `打开 ${item.name}` + }) + const iconEl = h('span', { class: `recent-icon tone-${meta.tone}`, html: icon(meta.icon, 22) }) + const info = h( + 'span', + { class: 'recent-info' }, + h('span', { class: 'recent-name', text: item.name, title: item.name }), + h('span', { + class: 'recent-meta', + text: `${meta.label} · ${formatBytes(item.size)} · ${formatTimeAgo(item.lastOpened)}${item.hasBlob ? '' : ' · 内容未保存'}` + }) + ) + const del = h('button', { class: 'recent-del', type: 'button', 'aria-label': `删除 ${item.name}` }) + del.innerHTML = icon('trash', 16) + del.addEventListener('click', (ev) => { + ev.stopPropagation() + void removeRecent(item) + }) + card.append(iconEl, info, del) + const activate = () => void openRecent(item) + card.addEventListener('click', activate) + card.addEventListener('keydown', (ev) => { + if (ev.key === 'Enter' || ev.key === ' ') { + ev.preventDefault() + activate() + } + }) + recentWrap.appendChild(card) + } +} + +async function openRecent(item: RecentItem): Promise { + const file = await loadRecentFile(item.id, item.name) + if (!file) { + toast('文件内容没有被浏览器保存，请重新选择文件', 'info', 3800) + fileInput.click() + return + } + await openFile(file) +} + +async function removeRecent(item: RecentItem): Promise { + await deleteRecent(item.id) + await refreshRecent() + toast('已从最近记录移除', 'success', 1600) +} + +async function clearAllRecent(): Promise { + const ok = await confirmDialog('清空最近记录？', '所有最近打开的文件内容将从本机浏览器中删除。', '清空', { + danger: true + }) + if (!ok) return + await clearRecent() + await refreshRecent() + toast('最近记录已清空', 'success', 1600) +} + +async function openFile(file: File): Promise { + if (busy) { + toast('正在打开文件，请稍候…', 'info', 1600) + return + } + if (!file.size) { + toast('文件为空', 'error') + return + } + let kind: FileKind + try { + const head = await readHead(file) + kind = detectKind(file.name, file.type, head) + } catch { + kind = detectKind(file.name, file.type) + } + const target = viewerFor(kind) + if (!target) { + toast('暂不支持这种文件类型', 'error', 3200) + return + } + + busy = true + closeActiveViewer() + const token = ++openToken + host = createViewerHost(() => closeActiveViewer()) + host.setFileInfo(file.name, kindMeta(kind).label, kindMeta(kind).short, kindMeta(kind).tone, formatBytes(file.size)) + host.showLoader('正在准备…', file.name) + viewerRoot.appendChild(host.root) + viewerRoot.hidden = false + homeEl.hidden = true + document.title = `${file.name} · 万能看图` + await new Promise((resolve) => requestAnimationFrame(() => resolve())) + + let createdViewer: ActiveViewer | null = null + try { + if (target === 'cad') { + const { loadDwg } = await import('../cad/loader') + const doc = await loadDwg(file, (message) => host?.setLoaderMessage(message, file.name)) + if (token !== openToken) return + const { CadViewer } = await import('../cad/cadViewer') + createdViewer = new CadViewer(host!, doc, { onBack: () => closeActiveViewer() }) + activeViewer = createdViewer + host?.hideLoader() + if (doc.warnings.length) toast(doc.warnings[0], 'info', 5000) + } else { + const [{ loadMuPDF }, { DocViewer }] = await Promise.all([ + import('../doc/mupdfLoader'), + import('../doc/docViewer') + ]) + const mupdf = await loadMuPDF() + host?.setLoaderMessage('正在读取文件…', file.name) + const bytes = new Uint8Array(await file.arrayBuffer()) + const magic = + kind === 'xps' && /\.oxps$/i.test(file.name) + ? 'application/oxps' + : mimeForKind(kind, file.type) + const viewer = new DocViewer(host!, mupdf, bytes, file.name, file.size, kind, magic) + await viewer.init() + if (token !== openToken) { + viewer.destroy() + return + } + createdViewer = viewer + activeViewer = viewer + } + void saveRecent(file, kind) + .catch(() => {}) + .then(() => refreshRecent()) + .catch(() => {}) + } catch (error) { + if (createdViewer) { + createdViewer.destroy() + } else { + host?.destroy() + } + host = null + activeViewer = null + viewerRoot.hidden = true + homeEl.hidden = false + document.title = '万能看图 · DWG/PDF 浏览器' + const message = error instanceof Error ? error.message : String(error) + console.error(error) + modalMessage( + '无法打开文件', + message, + kind === 'dwg' ? '提示：DWG 需要由 AutoCAD 2000 及之后的版本保存；过旧或加密的图纸可能暂时无法解析。' : undefined + ) + } finally { + busy = false + } +} + +function closeActiveViewer(): void { + openToken++ + const viewer = activeViewer + const previousHost = host + activeViewer = null + host = null + if (viewer) { + viewer.destroy() + } else if (previousHost) { + previousHost.destroy() + } + viewerRoot.innerHTML = '' + viewerRoot.hidden = true + homeEl.hidden = false + document.title = '万能看图 · DWG/PDF 浏览器' + void refreshRecent() +} + +function bindGlobalEvents(): void { + window.addEventListener('dragenter', (ev) => { + if (!ev.dataTransfer?.types.includes('Files')) return + ev.preventDefault() + dropDepth++ + dropOverlay.classList.add('show') + }) + window.addEventListener('dragover', (ev) => { + if (!ev.dataTransfer?.types.includes('Files')) return + ev.preventDefault() + ev.dataTransfer.dropEffect = 'copy' + }) + window.addEventListener('dragleave', (ev) => { + if (!ev.dataTransfer?.types.includes('Files')) return + dropDepth = Math.max(0, dropDepth - 1) + if (dropDepth === 0) dropOverlay.classList.remove('show') + }) + window.addEventListener('drop', (ev) => { + if (!ev.dataTransfer?.files?.length) return + ev.preventDefault() + dropDepth = 0 + dropOverlay.classList.remove('show') + const file = ev.dataTransfer.files[0] + if (file) void openFile(file) + }) + window.addEventListener('paste', (ev) => { + const file = ev.clipboardData?.files?.[0] + if (file) { + ev.preventDefault() + void openFile(file) + } + }) +} + +function handleLaunchQueue(): void { + const launchQueue = (window as unknown as { launchQueue?: { setConsumer: (cb: (params: { files: Array<{ getFile: () => Promise }> }) => void) => void } }).launchQueue + if (!launchQueue) return + launchQueue.setConsumer((params) => { + const first = params.files?.[0] + if (!first) return + void first + .getFile() + .then((file) => openFile(file)) + .catch(() => toast('无法读取系统传入的文件', 'error')) + }) +} diff --git a/src/core/dom.ts b/src/core/dom.ts new file mode 100644 index 0000000..134fa14 --- /dev/null +++ b/src/core/dom.ts @@ -0,0 +1,176 @@ +export type Child = Node | string | number | null | undefined | false + +type Props = Record + +export function h( + tag: K, + props: Props = {}, + ...children: Child[] +): HTMLElementTagNameMap[K] { + const el = document.createElement(tag) + for (const [key, value] of Object.entries(props)) { + if (value == null || value === false) continue + if (key === 'class' || key === 'className') { + el.className = String(value) + } else if (key === 'text') { + el.textContent = String(value) + } else if (key === 'html') { + el.innerHTML = String(value) + } else if (key === 'style' && typeof value === 'object') { + Object.assign(el.style, value as Record) + } else if (key === 'dataset' && typeof value === 'object') { + Object.assign(el.dataset, value as Record) + } else if (key.startsWith('on') && typeof value === 'function') { + el.addEventListener(key.slice(2).toLowerCase(), value as EventListener) + } else if (value === true) { + el.setAttribute(key, '') + } else { + el.setAttribute(key, String(value)) + } + } + append(el, children) + return el +} + +export function append(parent: Node, children: Child[]): void { + for (const child of children) { + if (child == null || child === false) continue + parent.appendChild(child instanceof Node ? child : document.createTextNode(String(child))) + } +} + +export function clear(node: Element): void { + while (node.firstChild) node.removeChild(node.firstChild) +} + +export function iconButton( + iconName: string, + label: string, + onClick: (ev: MouseEvent) => void, + opts: { className?: string; size?: number; tooltip?: boolean } = {} +): HTMLButtonElement { + const btn = h('button', { + class: `icon-btn ${opts.className ?? ''}`.trim(), + type: 'button', + 'aria-label': label, + title: opts.tooltip === false ? undefined : label, + html: icon(iconName, opts.size ?? 20) + }) + btn.addEventListener('click', onClick) + return btn +} + +export function icon(name: string, size = 20, className = ''): string { + const body = ICONS[name] ?? ICONS.file + return `` +} + +export const LOGO_SVG = ` +` + +export const ICONS: Record = { + 'arrow-left': '', + 'arrow-right': '', + 'chevron-left': '', + 'chevron-right': '', + 'chevron-down': '', + 'folder-open': + '', + file: '', + 'file-text': + '', + 'file-cad': + '', + 'file-pdf': + '', + 'file-img': + '', + layers: + '', + proxy: + '', + fit: '', + maximize: '', + minimize: '', + ruler: + '', + sun: '', + moon: '', + plus: '', + minus: '', + 'rotate-cw': '', + search: '', + list: '', + x: '', + download: '', + info: '', + eye: '', + 'eye-off': + '', + trash: '', + home: '', + more: '', + 'more-vertical': '', + 'book-open': '', + check: '', + refresh: '', + grid: '', + 'alert-triangle': '', + lock: '', + unlink: '', + 'zoom-in': '', + 'zoom-out': '', + 'panel-left': '', + 'install': '', + 'hard-drive': '', + 'crosshair': '', + 'rotate-ccw': '', + 'chevron-up': '', + 'corner-up-left': '' +} + +export function debounce void>(fn: T, wait: number): (...args: Parameters) => void { + let timer: ReturnType | null = null + return (...args: Parameters) => { + if (timer) clearTimeout(timer) + timer = setTimeout(() => { + timer = null + fn(...args) + }, wait) + } +} + +export function nextFrame(): Promise { + return new Promise((resolve) => requestAnimationFrame(() => resolve())) +} + +export function twoFrames(): Promise { + return new Promise((resolve) => requestAnimationFrame(() => requestAnimationFrame(() => resolve()))) +} + +export function escapeHtml(value: string): string { + return value + .replaceAll('&', '&') + .replaceAll('<', '<') + .replaceAll('>', '>') + .replaceAll('"', '"') + .replaceAll("'", ''') +} diff --git a/src/core/files.ts b/src/core/files.ts new file mode 100644 index 0000000..7d4a292 --- /dev/null +++ b/src/core/files.ts @@ -0,0 +1,127 @@ +export type FileKind = 'dwg' | 'pdf' | 'epub' | 'xps' | 'cbz' | 'image' | 'fb2' | 'unknown' + +export const SUPPORTED_ACCEPT = + '.dwg,.pdf,.epub,.fb2,.xps,.oxps,.cbz,.png,.jpg,.jpeg,.gif,.bmp' + +const IMAGE_EXT = new Set(['png', 'jpg', 'jpeg', 'gif', 'bmp', 'jfif']) +const IMAGE_MIME = new Set([ + 'image/png', + 'image/jpeg', + 'image/jpg', + 'image/gif', + 'image/bmp', + 'image/x-ms-bmp' +]) + +export function extensionOf(name: string): string { + const idx = name.lastIndexOf('.') + return idx >= 0 ? name.slice(idx + 1).toLowerCase() : '' +} + +export function viewerFor(kind: FileKind): 'cad' | 'doc' | null { + if (kind === 'dwg') return 'cad' + if (kind === 'unknown') return null + return 'doc' +} + +export function detectKind(name: string, mime: string, head?: Uint8Array): FileKind { + const ext = extensionOf(name) + const lowerMime = (mime || '').toLowerCase() + + if (head && head.length >= 4) { + if (head[0] === 0x41 && head[1] === 0x43 && head[2] === 0x31 && head[3] === 0x30) return 'dwg' + if (head[0] === 0x25 && head[1] === 0x50 && head[2] === 0x44 && head[3] === 0x46) return 'pdf' + } + + if (ext === 'dwg') return 'dwg' + if (ext === 'pdf' || lowerMime === 'application/pdf') return 'pdf' + if (ext === 'epub') return 'epub' + if (ext === 'xps' || ext === 'oxps') return 'xps' + if (ext === 'cbz') return 'cbz' + if (ext === 'fb2') return 'fb2' + if (ext === 'svg' || lowerMime === 'image/svg+xml') return 'unknown' + if (IMAGE_EXT.has(ext) || IMAGE_MIME.has(lowerMime)) return 'image' + if (lowerMime.startsWith('image/')) return 'unknown' + + if (head) { + const prefix = new TextDecoder('utf-8', { fatal: false }).decode(head.slice(0, 256)).toLowerCase() + if (prefix.includes(' { + return new Uint8Array(await file.slice(0, bytes).arrayBuffer()) +} + +export function formatBytes(size: number): string { + if (!Number.isFinite(size) || size <= 0) return '0 B' + const units = ['B', 'KB', 'MB', 'GB'] + let value = size + let unit = 0 + while (value >= 1024 && unit < units.length - 1) { + value /= 1024 + unit++ + } + return `${value >= 10 || unit === 0 ? Math.round(value) : value.toFixed(1)} ${units[unit]}` +} + +export function formatTimeAgo(timestamp: number): string { + const diff = Date.now() - timestamp + if (!Number.isFinite(diff) || diff < 0) return '刚刚' + const minute = 60_000 + const hour = 60 * minute + const day = 24 * hour + if (diff < minute) return '刚刚' + if (diff < hour) return `${Math.floor(diff / minute)} 分钟前` + if (diff < day) return `${Math.floor(diff / hour)} 小时前` + if (diff < 7 * day) return `${Math.floor(diff / day)} 天前` + const date = new Date(timestamp) + const now = new Date() + if (date.getFullYear() === now.getFullYear()) { + return `${date.getMonth() + 1} 月 ${date.getDate()} 日` + } + return `${date.getFullYear()}-${String(date.getMonth() + 1).padStart(2, '0')}-${String(date.getDate()).padStart(2, '0')}` +} diff --git a/src/core/recent.ts b/src/core/recent.ts new file mode 100644 index 0000000..80be4f1 --- /dev/null +++ b/src/core/recent.ts @@ -0,0 +1,215 @@ +import type { FileKind } from './files' + +export interface RecentItem { + id: string + name: string + size: number + type: string + kind: FileKind + lastOpened: number + hasBlob: boolean +} + +interface StoredRecord extends RecentItem { + blob?: Blob +} + +const DB_NAME = 'phone-viewer' +const STORE = 'recent' +const DB_VERSION = 1 +const MAX_ITEMS = 15 +const MAX_FILE_BYTES = 48 * 1024 * 1024 +const MAX_TOTAL_BYTES = 180 * 1024 * 1024 + +let dbPromise: Promise | null = null + +function getDb(): Promise { + if (dbPromise) return dbPromise + dbPromise = new Promise((resolve) => { + if (typeof indexedDB === 'undefined') { + resolve(null) + return + } + let request: IDBOpenDBRequest + try { + request = indexedDB.open(DB_NAME, DB_VERSION) + } catch { + resolve(null) + return + } + request.onupgradeneeded = () => { + const db = request.result + if (!db.objectStoreNames.contains(STORE)) { + const store = db.createObjectStore(STORE, { keyPath: 'id' }) + store.createIndex('lastOpened', 'lastOpened') + } + } + request.onsuccess = () => resolve(request.result) + request.onerror = () => resolve(null) + request.onblocked = () => resolve(null) + }) + return dbPromise +} + +function txDone(tx: IDBTransaction): Promise { + return new Promise((resolve, reject) => { + tx.oncomplete = () => resolve() + tx.onerror = () => reject(tx.error ?? new Error('IndexedDB transaction failed')) + tx.onabort = () => reject(tx.error ?? new Error('IndexedDB transaction aborted')) + }) +} + +function requestResult(request: IDBRequest): Promise { + return new Promise((resolve, reject) => { + request.onsuccess = () => resolve(request.result) + request.onerror = () => reject(request.error) + }) +} + +const LS_KEY = 'viewer.recent.meta' + +function lsRead(): StoredRecord[] { + try { + const raw = localStorage.getItem(LS_KEY) + if (!raw) return [] + const parsed = JSON.parse(raw) as StoredRecord[] + return Array.isArray(parsed) ? parsed : [] + } catch { + return [] + } +} + +function lsWrite(items: StoredRecord[]): void { + try { + localStorage.setItem( + LS_KEY, + JSON.stringify(items.map(({ blob: _blob, ...rest }) => rest)) + ) + } catch { + /* ignore */ + } +} + +export async function listRecent(): Promise { + const db = await getDb() + if (!db) return lsRead().map(({ blob: _blob, ...rest }) => rest).sort((a, b) => b.lastOpened - a.lastOpened) + try { + const tx = db.transaction(STORE, 'readonly') + const all = await requestResult(tx.objectStore(STORE).getAll() as IDBRequest) + return all + .map(({ blob: _blob, ...rest }) => rest) + .sort((a, b) => b.lastOpened - a.lastOpened) + .slice(0, MAX_ITEMS) + } catch { + return [] + } +} + +export async function saveRecent(file: File, kind: FileKind): Promise { + const id = `${file.name}|${file.size}` + const record: StoredRecord = { + id, + name: file.name, + size: file.size, + type: file.type, + kind, + lastOpened: Date.now(), + hasBlob: file.size <= MAX_FILE_BYTES, + blob: file.size <= MAX_FILE_BYTES ? file : undefined + } + const db = await getDb() + if (!db) { + const items = lsRead().filter((item) => item.id !== id) + items.unshift({ ...record, blob: undefined, hasBlob: false }) + lsWrite(items.slice(0, MAX_ITEMS)) + return + } + try { + const tx = db.transaction(STORE, 'readwrite') + tx.objectStore(STORE).put(record) + await txDone(tx) + } catch { + try { + const tx = db.transaction(STORE, 'readwrite') + tx.objectStore(STORE).put({ ...record, blob: undefined, hasBlob: false }) + await txDone(tx) + } catch { + /* storage full or unavailable */ + } + } + void enforceLimits(db) + try { + void navigator.storage?.persist?.() + } catch { + /* ignore */ + } +} + +async function enforceLimits(db: IDBDatabase): Promise { + try { + const tx = db.transaction(STORE, 'readwrite') + const store = tx.objectStore(STORE) + const all = await requestResult(store.getAll() as IDBRequest) + all.sort((a, b) => b.lastOpened - a.lastOpened) + for (const item of all.slice(MAX_ITEMS)) { + store.delete(item.id) + } + let total = 0 + for (const item of all.slice(0, MAX_ITEMS)) { + if (!item.blob) continue + total += item.blob.size + if (total > MAX_TOTAL_BYTES) { + store.put({ ...item, blob: undefined, hasBlob: false }) + } + } + await txDone(tx) + } catch { + /* ignore */ + } +} + +export async function loadRecentFile(id: string, fallbackName?: string): Promise { + const db = await getDb() + if (!db) return null + try { + const tx = db.transaction(STORE, 'readonly') + const record = await requestResult(tx.objectStore(STORE).get(id) as IDBRequest) + if (!record?.blob) return null + return new File([record.blob], record.name || fallbackName || 'file', { + type: record.type, + lastModified: record.lastOpened + }) + } catch { + return null + } +} + +export async function deleteRecent(id: string): Promise { + const db = await getDb() + if (!db) { + lsWrite(lsRead().filter((item) => item.id !== id)) + return + } + try { + const tx = db.transaction(STORE, 'readwrite') + tx.objectStore(STORE).delete(id) + await txDone(tx) + } catch { + /* ignore */ + } +} + +export async function clearRecent(): Promise { + const db = await getDb() + if (!db) { + lsWrite([]) + return + } + try { + const tx = db.transaction(STORE, 'readwrite') + tx.objectStore(STORE).clear() + await txDone(tx) + } catch { + /* ignore */ + } +} diff --git a/src/core/theme.ts b/src/core/theme.ts new file mode 100644 index 0000000..71f2d54 --- /dev/null +++ b/src/core/theme.ts @@ -0,0 +1,56 @@ +export type Theme = 'dark' | 'light' + +const STORAGE_KEY = 'viewer.theme' +const listeners = new Set<(theme: Theme) => void>() + +export function initTheme(): Theme { + const isAndroidShell = + typeof (window as unknown as { AndroidViewer?: unknown }).AndroidViewer !== 'undefined' + let theme: Theme = 'dark' + try { + const stored = localStorage.getItem(STORAGE_KEY) + if (stored === 'light' || stored === 'dark') { + theme = stored + } else if (!isAndroidShell && window.matchMedia?.('(prefers-color-scheme: light)').matches) { + theme = 'light' + } + } catch { + /* ignore */ + } + applyTheme(theme, false) + return theme +} + +export function getTheme(): Theme { + return document.documentElement.dataset.theme === 'light' ? 'light' : 'dark' +} + +export function setTheme(theme: Theme): void { + applyTheme(theme, true) +} + +export function toggleTheme(): Theme { + const next: Theme = getTheme() === 'dark' ? 'light' : 'dark' + setTheme(next) + return next +} + +function applyTheme(theme: Theme, persist: boolean): void { + document.documentElement.dataset.theme = theme + document.documentElement.style.colorScheme = theme + const meta = document.querySelector('meta[name="theme-color"]') + if (meta) meta.setAttribute('content', theme === 'dark' ? '#0b0e14' : '#f2f5fa') + if (persist) { + try { + localStorage.setItem(STORAGE_KEY, theme) + } catch { + /* ignore */ + } + } + for (const listener of listeners) listener(theme) +} + +export function onThemeChange(listener: (theme: Theme) => void): () => void { + listeners.add(listener) + return () => listeners.delete(listener) +} diff --git a/src/core/toast.ts b/src/core/toast.ts new file mode 100644 index 0000000..9569e8b --- /dev/null +++ b/src/core/toast.ts @@ -0,0 +1,25 @@ +import { h, icon } from './dom' + +let seq = 0 + +export function toast(message: string, type: 'info' | 'success' | 'error' = 'info', duration = 3200): void { + const root = document.getElementById('toasts') + if (!root) return + const id = ++seq + const iconName = type === 'success' ? 'check' : type === 'error' ? 'alert-triangle' : 'info' + const el = h( + 'div', + { class: `toast toast-${type}`, role: 'status', dataset: { id: String(id) } }, + h('span', { class: 'toast-icon', html: icon(iconName, 18) }), + h('span', { class: 'toast-text', text: message }) + ) + root.appendChild(el) + requestAnimationFrame(() => el.classList.add('show')) + const remove = () => { + el.classList.remove('show') + el.addEventListener('transitionend', () => el.remove(), { once: true }) + window.setTimeout(() => el.remove(), 400) + } + window.setTimeout(remove, Math.max(1200, duration)) + el.addEventListener('click', remove) +} diff --git a/src/core/viewerHost.ts b/src/core/viewerHost.ts new file mode 100644 index 0000000..ab4cb78 --- /dev/null +++ b/src/core/viewerHost.ts @@ -0,0 +1,98 @@ +import { clear, h, icon } from './dom' + +export interface ViewerHost { + root: HTMLElement + header: HTMLElement + actions: HTMLElement + subbar: HTMLElement + stage: HTMLElement + status: HTMLElement + setFileInfo: (name: string, kindLabel: string, badge: string, tone: string, meta?: string) => void + setSubbar: (content: Node | null) => void + setStatus: (text: string, title?: string) => void + showLoader: (message: string, detail?: string) => void + setLoaderMessage: (message: string, detail?: string) => void + hideLoader: () => void + destroy: () => void +} + +export function createViewerHost(onBack: () => void): ViewerHost { + const backBtn = h('button', { + class: 'icon-btn back-btn', + type: 'button', + 'aria-label': '返回', + html: icon('arrow-left', 21) + }) + backBtn.addEventListener('click', onBack) + + const badge = h('span', { class: 'file-badge' }) + const name = h('div', { class: 'file-name' }) + const meta = h('div', { class: 'file-meta' }) + const titleBox = h('div', { class: 'file-titles' }, name, meta) + const fileBox = h('div', { class: 'file-box' }, badge, titleBox) + const actions = h('div', { class: 'viewer-actions' }) + const header = h('header', { class: 'viewer-header' }, backBtn, fileBox, actions) + const subbar = h('div', { class: 'viewer-subbar', hidden: true }) + const status = h('div', { class: 'viewer-status', hidden: true }) + const stage = h('div', { class: 'viewer-stage' }, status) + const body = h('div', { class: 'viewer-body' }, stage) + const loaderText = h('div', { class: 'loader-text', text: '正在打开…' }) + const loaderDetail = h('div', { class: 'loader-detail' }) + const loader = h( + 'div', + { class: 'viewer-loader', hidden: true }, + h('div', { class: 'loader-card' }, h('div', { class: 'spinner' }), loaderText, loaderDetail) + ) + const root = h('section', { class: 'viewer' }, header, subbar, body, loader) + + const setSubbar = (content: Node | null) => { + clear(subbar) + if (content) { + subbar.hidden = false + subbar.appendChild(content) + } else { + subbar.hidden = true + } + } + + return { + root, + header, + actions, + subbar, + stage, + status, + setFileInfo: (fileName, kindLabel, badgeText, tone, metaText) => { + name.textContent = fileName + name.title = fileName + meta.textContent = metaText ? `${kindLabel} · ${metaText}` : kindLabel + badge.textContent = badgeText + badge.className = `file-badge tone-${tone}` + }, + setSubbar, + setStatus: (text, title) => { + if (!text) { + status.hidden = true + return + } + status.hidden = false + status.textContent = text + status.title = title ?? text + }, + showLoader: (message, detail) => { + loader.hidden = false + loaderText.textContent = message + loaderDetail.textContent = detail ?? '' + }, + setLoaderMessage: (message, detail) => { + loaderText.textContent = message + loaderDetail.textContent = detail ?? '' + }, + hideLoader: () => { + loader.hidden = true + }, + destroy: () => { + root.remove() + } + } +} diff --git a/src/doc/docViewer.ts b/src/doc/docViewer.ts new file mode 100644 index 0000000..05e41ff --- /dev/null +++ b/src/doc/docViewer.ts @@ -0,0 +1,1265 @@ +import type { MuPDFModule } from './mupdfLoader' +import type { ViewerHost } from '../core/viewerHost' +import { clear, h, icon, iconButton } from '../core/dom' +import { toast } from '../core/toast' +import { openModal } from '../ui/modal' +import { showAbout } from '../ui/about' +import { formatBytes, kindMeta, type FileKind } from '../core/files' + +interface PageSlot { + index: number + el: HTMLElement + canvas: HTMLCanvasElement + ctx: CanvasRenderingContext2D + renderedKey: string +} + +interface OutlineItem { + title?: string + uri?: string + page?: number + down?: OutlineItem[] +} + +interface SearchHit { + hitIndex: number + page: number + quads: number[][] +} + +interface Size { + w: number + h: number +} + +const INVERT_KEY = 'viewer.docInvert' +const PAGE_GAP = 18 + +export class DocViewer { + private host: ViewerHost + private mupdf: MuPDFModule + private bytes: Uint8Array + private fileName: string + private fileSize: number + private kind: FileKind + private magic?: string + private doc: any = null + private scroller: HTMLElement + private pagesEl: HTMLElement + private slots: PageSlot[] = [] + private pageSizes = new Map() + private defaultSize: Size = { w: 612, h: 792 } + private pageCount = 0 + private currentPage = 0 + private zoom = 1 + private rotate = 0 + private invert = false + private reflowable = false + private fitMode: 'width' | 'page' | 'custom' = 'width' + private epoch = 0 + private renderQueue: Promise = Promise.resolve() + private pendingRenders = new Set() + private visiblePages = new Set() + private intersectionObserver: IntersectionObserver | null = null + private resizeObserver: ResizeObserver | null = null + private resizeTimer = 0 + private scrollRaf = 0 + private searchToken = 0 + private searchQuery = '' + private searchHits: SearchHit[] = [] + private currentHit = -1 + private searchVisible = false + private lastReflowWidth = 0 + private lastReflowHeight = 0 + private pinch: + | { + startDist: number + startZoom: number + startScrollTop: number + startScrollLeft: number + midX: number + midY: number + } + | null = null + private destroyed = false + private pageInput: HTMLInputElement + private pageTotal: HTMLElement + private zoomLabel: HTMLButtonElement + private searchBar: HTMLElement + private searchInput: HTMLInputElement + private searchCount: HTMLElement + private searchPrev: HTMLButtonElement + private searchNext: HTMLButtonElement + private outlineBackdrop: HTMLElement + private outlineList: HTMLElement + private menu: HTMLElement + private menuButtons: Record = {} + private fullscreenBtn: HTMLButtonElement | null = null + private firstRenderDone = false + private onDocumentPointerDown: ((ev: PointerEvent) => void) | null = null + + constructor( + host: ViewerHost, + mupdf: MuPDFModule, + bytes: Uint8Array, + fileName: string, + fileSize: number, + kind: FileKind, + magic?: string + ) { + this.host = host + this.mupdf = mupdf + this.bytes = bytes + this.fileName = fileName + this.fileSize = fileSize + this.kind = kind + this.magic = magic + try { + this.invert = localStorage.getItem(INVERT_KEY) === '1' + } catch { + this.invert = false + } + + const meta = kindMeta(kind) + host.setFileInfo(fileName, meta.label, meta.short, meta.tone, formatBytes(fileSize)) + host.setStatus('') + + this.scroller = h('div', { class: 'doc-scroll' }) + this.pagesEl = h('div', { class: 'doc-pages' }) + this.pagesEl.classList.toggle('inverted', this.invert) + this.scroller.appendChild(this.pagesEl) + host.stage.appendChild(this.scroller) + + this.pageInput = h('input', { + class: 'page-input', + type: 'number', + min: '1', + inputMode: 'numeric', + 'aria-label': '页码' + }) + this.pageTotal = h('span', { class: 'page-total', text: '/ 1' }) + const prev = iconButton('chevron-left', '上一页', () => this.goToPage(this.currentPage - 1), { + className: 'doc-btn' + }) + const next = iconButton('chevron-right', '下一页', () => this.goToPage(this.currentPage + 1), { + className: 'doc-btn' + }) + const pageGroup = h('div', { class: 'doc-group' }, prev, this.pageInput, this.pageTotal, next) + + const zoomOut = iconButton('zoom-out', '缩小', () => this.zoomTo(this.zoom / 1.2), { + className: 'doc-btn' + }) + const zoomIn = iconButton('zoom-in', '放大', () => this.zoomTo(this.zoom * 1.2), { + className: 'doc-btn' + }) + this.zoomLabel = h('button', { class: 'zoom-label', type: 'button', text: '100%', title: '适合宽度' }) + this.zoomLabel.addEventListener('click', () => this.fitWidth()) + const zoomGroup = h('div', { class: 'doc-group' }, zoomOut, this.zoomLabel, zoomIn) + + const fitBtn = iconButton('fit', '适合宽度', () => this.fitWidth(), { className: 'doc-btn' }) + const moreBtn = iconButton('more', '更多', () => this.toggleMenu(), { className: 'doc-btn' }) + moreBtn.dataset.action = 'more' + const actionGroup = h('div', { class: 'doc-group' }, fitBtn, moreBtn) + + const bottom = h('div', { class: 'doc-bottom' }, pageGroup, zoomGroup, actionGroup) + host.stage.appendChild(bottom) + + this.menu = this.buildMenu() + host.stage.appendChild(this.menu) + + this.searchInput = h('input', { + class: 'doc-search-input', + type: 'search', + placeholder: '在文档中查找…', + 'aria-label': '查找' + }) + this.searchCount = h('span', { class: 'doc-search-count', text: '' }) + this.searchPrev = iconButton('chevron-up', '上一个结果', () => this.prevHit(), { className: 'doc-btn' }) + this.searchNext = iconButton('chevron-down', '下一个结果', () => this.nextHit(), { className: 'doc-btn' }) + const searchClose = iconButton('x', '关闭查找', () => this.closeSearch(), { className: 'doc-btn' }) + this.searchBar = h( + 'div', + { class: 'doc-search' }, + h('span', { class: 'doc-search-icon', html: icon('search', 18) }), + this.searchInput, + this.searchCount, + this.searchPrev, + this.searchNext, + searchClose + ) + host.stage.appendChild(this.searchBar) + + this.outlineList = h('div', { class: 'outline-list' }) + this.outlineBackdrop = h('div', { class: 'sheet-backdrop sheet-left' }) + const outlineClose = iconButton('x', '关闭', () => this.closeOutline()) + const outlineSheet = h( + 'aside', + { class: 'sheet sheet-outline', role: 'dialog', 'aria-label': '目录' }, + h('div', { class: 'sheet-head' }, h('div', { class: 'sheet-title' }, h('span', { text: '目录' })), outlineClose), + this.outlineList + ) + this.outlineBackdrop.appendChild(outlineSheet) + this.outlineBackdrop.addEventListener('click', (ev) => { + if (ev.target === this.outlineBackdrop) this.closeOutline() + }) + host.stage.appendChild(this.outlineBackdrop) + + this.buildHeaderActions() + + this.pageInput.addEventListener('change', () => { + const value = Number(this.pageInput.value) + if (Number.isFinite(value)) this.goToPage(value - 1) + }) + this.pageInput.addEventListener('keydown', (ev) => { + if (ev.key === 'Enter') { + ev.preventDefault() + this.pageInput.blur() + const value = Number(this.pageInput.value) + if (Number.isFinite(value)) this.goToPage(value - 1) + } + }) + this.searchInput.addEventListener('keydown', (ev) => { + if (ev.key === 'Enter') { + ev.preventDefault() + const q = this.searchInput.value.trim() + if (!q) return + if (q === this.searchQuery && this.searchHits.length) { + if (ev.shiftKey) this.prevHit() + else this.nextHit() + } else { + void this.runSearch(q) + } + } else if (ev.key === 'Escape') { + this.closeSearch() + } + }) + + this.onDocumentPointerDown = (ev) => { + if (!this.menu.classList.contains('open')) return + const target = ev.target as Element | null + if (target?.closest('[data-action="more"]')) return + if (!this.menu.contains(ev.target as Node)) this.closeMenu() + } + document.addEventListener('pointerdown', this.onDocumentPointerDown) + + this.zoomLabel.textContent = '100%' + this.applyInvertUi() + this.updateMenuUi() + } + + async init(): Promise { + this.host.showLoader('正在打开文档…', this.fileName) + await this.waitForStage() + try { + this.doc = this.mupdf.Document.openDocument(this.bytes, this.magic) + await this.unlockIfNeeded() + this.reflowable = this.kind === 'epub' || this.kind === 'fb2' + try { + const reflow = (this.doc as { isReflowable?: () => unknown }).isReflowable?.() + if (reflow === true) this.reflowable = true + } catch { + /* ignore */ + } + if (this.reflowable) this.layoutReflow() + this.pageCount = this.doc.countPages() + if (!this.pageCount) throw new Error('文档中没有可显示的页面') + this.measureFirstPage() + this.buildPages() + this.buildOutline() + this.pageTotal.textContent = `/ ${this.pageCount}` + this.pageInput.max = String(this.pageCount) + this.pageInput.value = '1' + this.zoom = this.computeFitWidth() + this.applyZoomLabel() + this.layoutPageSizes() + this.bindEvents() + this.observe() + this.scroller.scrollTop = 0 + this.updateCurrentPage() + this.renderVisible() + this.host.setLoaderMessage('正在渲染页面…') + window.setTimeout(() => { + if (!this.firstRenderDone) this.host.hideLoader() + }, 4000) + } catch (error) { + this.host.hideLoader() + this.doc?.destroy?.() + this.doc = null + throw error + } + } + + private buildHeaderActions(): void { + const searchBtn = iconButton('search', '查找', () => this.toggleSearch()) + const outlineBtn = iconButton('list', '目录', () => this.openOutline()) + const infoBtn = iconButton('info', '关于', () => showAbout()) + this.host.actions.append(searchBtn, outlineBtn, infoBtn) + } + + private buildMenu(): HTMLElement { + const menu = h('div', { class: 'doc-menu', role: 'menu' }) + const add = (key: string, iconName: string, label: string, onClick: () => void) => { + const btn = h('button', { class: 'menu-item', type: 'button', role: 'menuitem' }) + const iconEl = h('span', { class: 'menu-icon', html: icon(iconName, 18) }) + const textEl = h('span', { class: 'menu-text', text: label }) + btn.append(iconEl, textEl) + btn.addEventListener('click', () => { + this.closeMenu() + onClick() + }) + menu.appendChild(btn) + this.menuButtons[key] = btn + return btn + } + add('fit-page', 'fit', '适合页面', () => this.fitPage()) + add('rotate', 'rotate-cw', '旋转 90°', () => this.rotatePage()) + add('invert', 'moon', '反色阅读', () => this.toggleInvert()) + this.fullscreenBtn = add('fullscreen', 'maximize', '全屏', () => void this.toggleFullscreen()) + add('about', 'info', '关于万能看图', () => showAbout()) + return menu + } + + private updateMenuUi(): void { + const invertBtn = this.menuButtons.invert + if (invertBtn) { + const iconEl = invertBtn.querySelector('.menu-icon') + const textEl = invertBtn.querySelector('.menu-text') + if (iconEl) iconEl.innerHTML = icon(this.invert ? 'sun' : 'moon', 18) + if (textEl) textEl.textContent = this.invert ? '关闭反色' : '反色阅读' + invertBtn.classList.toggle('active', this.invert) + } + if (this.fullscreenBtn) { + const active = !!document.fullscreenElement + const iconEl = this.fullscreenBtn.querySelector('.menu-icon') + const textEl = this.fullscreenBtn.querySelector('.menu-text') + if (iconEl) iconEl.innerHTML = icon(active ? 'minimize' : 'maximize', 18) + if (textEl) textEl.textContent = active ? '退出全屏' : '全屏' + } + } + + private waitForStage(): Promise { + if (this.host.stage.clientWidth > 0 && this.host.stage.clientHeight > 0) return Promise.resolve() + return new Promise((resolve) => { + const ro = new ResizeObserver(() => { + if (this.host.stage.clientWidth > 0 && this.host.stage.clientHeight > 0) { + ro.disconnect() + resolve() + } + }) + ro.observe(this.host.stage) + }) + } + + private async unlockIfNeeded(): Promise { + let attempts = 0 + while (this.doc.needsPassword()) { + if (attempts >= 4) throw new Error('密码尝试次数过多') + attempts++ + const password = await this.promptPassword(attempts > 1) + if (password == null) throw new Error('文档已加密，需要密码才能打开') + try { + this.doc.authenticatePassword(password) + } catch { + /* ignore */ + } + if (this.doc.needsPassword()) toast('密码不正确，请重试', 'error') + } + } + + private promptPassword(retry: boolean): Promise { + return new Promise((resolve) => { + let done = false + const finish = (value: string | null) => { + if (done) return + done = true + resolve(value) + modal.close() + } + const input = h('input', { + class: 'text-input', + type: 'password', + placeholder: '请输入文档密码', + autocomplete: 'current-password' + }) + const form = h( + 'form', + { class: 'password-form' }, + h('p', { class: 'modal-text', text: '此文档受密码保护，请输入密码继续。' }), + retry ? h('p', { class: 'form-error', text: '密码不正确，请重试。' }) : null, + input + ) + form.addEventListener('submit', (ev) => { + ev.preventDefault() + finish(input.value) + }) + const cancel = h('button', { class: 'btn btn-ghost', type: 'button', text: '取消' }) + cancel.addEventListener('click', () => finish(null)) + const unlock = h('button', { class: 'btn btn-primary', type: 'submit', text: '解锁' }) + unlock.addEventListener('click', (ev) => { + ev.preventDefault() + finish(input.value) + }) + const modal = openModal({ + title: '加密文档', + subtitle: this.fileName, + content: form, + actions: [cancel, unlock], + size: 'sm', + onClose: () => { + if (!done) { + done = true + resolve(null) + } + } + }) + window.setTimeout(() => input.focus({ preventScroll: true }), 80) + }) + } + + private layoutReflow(): void { + const width = (this.scroller.clientWidth - 32) * (72 / 96) + const height = Math.max(400, (this.scroller.clientHeight - 90) * (72 / 96)) + this.lastReflowWidth = this.scroller.clientWidth + this.lastReflowHeight = this.scroller.clientHeight + try { + this.doc.layout(Math.max(200, width), Math.max(400, height), 12) + } catch { + /* ignore */ + } + } + + private measureFirstPage(): void { + const page = this.doc.loadPage(0) + try { + const b = page.getBounds() + const size = { w: Math.max(1, b[2] - b[0]), h: Math.max(1, b[3] - b[1]) } + this.defaultSize = size + this.pageSizes.set(0, size) + } finally { + page.destroy() + } + } + + private buildPages(): void { + clear(this.pagesEl) + this.slots = [] + this.visiblePages.clear() + this.pendingRenders.clear() + for (let i = 0; i < this.pageCount; i++) { + const canvas = h('canvas', { class: 'doc-page-canvas' }) + const ctx = canvas.getContext('2d', { alpha: false }) + if (!ctx) throw new Error('无法创建 Canvas 2D 上下文') + const el = h( + 'div', + { + class: 'doc-page', + dataset: { page: String(i + 1) }, + 'aria-label': `第 ${i + 1} 页` + }, + canvas + ) + const slot: PageSlot = { index: i, el, canvas, ctx, renderedKey: '' } + this.slots.push(slot) + this.pagesEl.appendChild(el) + } + this.epoch++ + } + + private pageSize(index: number): Size { + return this.pageSizes.get(index) ?? this.defaultSize + } + + private displaySize(index: number): Size { + const size = this.pageSize(index) + return this.rotate % 180 === 0 ? size : { w: size.h, h: size.w } + } + + private applySlotSize(slot: PageSlot): void { + const size = this.displaySize(slot.index) + const w = Math.max(24, size.w * this.zoom) + const hgt = Math.max(24, size.h * this.zoom) + slot.el.style.width = `${w}px` + slot.el.style.height = `${hgt}px` + } + + private layoutPageSizes(): void { + for (const slot of this.slots) this.applySlotSize(slot) + } + + private computeFitWidth(): number { + const size = this.displaySize(this.currentPage) + const available = Math.max(120, this.scroller.clientWidth - 32) + return Math.max(0.03, Math.min(16, available / Math.max(1, size.w))) + } + + private computeFitPage(): number { + const size = this.displaySize(this.currentPage) + const availableW = Math.max(120, this.scroller.clientWidth - 32) + const availableH = Math.max(180, this.scroller.clientHeight - 110) + return Math.max(0.03, Math.min(16, Math.min(availableW / size.w, availableH / size.h))) + } + + private fitWidth(): void { + this.fitMode = 'width' + const z = this.computeFitWidth() + this.zoomTo(z) + this.scroller.scrollTop = Math.min( + this.scroller.scrollTop, + Math.max(0, this.scroller.scrollHeight - this.scroller.clientHeight) + ) + } + + private fitPage(): void { + this.fitMode = 'page' + this.zoomTo(this.computeFitPage()) + } + + private zoomTo(nextZoom: number, anchorY?: number, final = true, anchorX?: number): void { + const z = Math.max(0.02, Math.min(20, nextZoom)) + if (Math.abs(z - this.zoom) / this.zoom < 1e-4) { + this.applyZoomLabel() + return + } + const old = this.zoom + const localY = anchorY ?? this.scroller.clientHeight / 2 + const localX = anchorX ?? this.scroller.clientWidth / 2 + const contentY = this.scroller.scrollTop + localY + const contentX = this.scroller.scrollLeft + localX + this.zoom = z + this.layoutPageSizes() + const ratio = z / old + const maxScroll = Math.max(0, this.scroller.scrollHeight - this.scroller.clientHeight) + const maxScrollX = Math.max(0, this.scroller.scrollWidth - this.scroller.clientWidth) + this.scroller.scrollTop = Math.max(0, Math.min(maxScroll, contentY * ratio - localY)) + this.scroller.scrollLeft = Math.max(0, Math.min(maxScrollX, contentX * ratio - localX)) + this.applyZoomLabel() + if (final) { + this.epoch++ + this.renderVisible() + } + if (this.fitMode !== 'custom' && Math.abs(z - (this.fitMode === 'page' ? this.computeFitPage() : this.computeFitWidth())) > 0.001) { + this.fitMode = 'custom' + } + this.updateCurrentPage() + } + + private applyZoomLabel(): void { + this.zoomLabel.textContent = `${Math.round(this.zoom * 100)}%` + } + + private buildOutline(): void { + clear(this.outlineList) + let outline: OutlineItem[] | null = null + try { + outline = this.doc.loadOutline() as OutlineItem[] | null + } catch { + outline = null + } + if (!outline || outline.length === 0) { + this.outlineList.appendChild( + h('p', { class: 'outline-empty', text: '此文档没有书签或目录。' }) + ) + return + } + const addItems = (items: OutlineItem[], depth: number): void => { + if (depth > 8) return + for (const item of items) { + const title = (item.title || '').trim() || '(无标题)' + let page = typeof item.page === 'number' ? item.page : undefined + if (page == null && item.uri) { + try { + const resolved = this.doc.resolveLink(item.uri) + if (typeof resolved === 'number' && resolved >= 0) page = resolved + } catch { + /* ignore */ + } + } + const row = h('button', { + class: `outline-item ${page != null ? '' : 'no-page'}`, + type: 'button' + }) + row.style.paddingLeft = `${14 + depth * 16}px` + row.append(h('span', { class: 'outline-text', text: title })) + if (page != null) { + row.append(h('span', { class: 'outline-page', text: String(page + 1) })) + } + row.addEventListener('click', () => { + if (page != null) { + this.goToPage(page, false) + this.closeOutline() + } + }) + this.outlineList.appendChild(row) + if (item.down && item.down.length) addItems(item.down, depth + 1) + } + } + addItems(outline, 0) + } + + private bindEvents(): void { + this.scroller.addEventListener('scroll', this.onScroll, { passive: true }) + this.scroller.addEventListener('dblclick', this.onDoubleClick) + this.scroller.addEventListener('wheel', this.onWheel, { passive: false }) + this.scroller.addEventListener('touchstart', this.onTouchStart, { passive: false }) + this.scroller.addEventListener('touchmove', this.onTouchMove, { passive: false }) + this.scroller.addEventListener('touchend', this.onTouchEnd, { passive: true }) + this.scroller.addEventListener('touchcancel', this.onTouchEnd, { passive: true }) + document.addEventListener('keydown', this.onKeyDown) + document.addEventListener('fullscreenchange', this.onFullscreenChange) + window.addEventListener('resize', this.onWindowResize) + } + + private observe(): void { + this.disconnectObservers() + this.resizeObserver = new ResizeObserver(() => { + if (this.destroyed) return + if (this.resizeTimer) window.clearTimeout(this.resizeTimer) + this.resizeTimer = window.setTimeout(() => this.handleResize(), 320) + }) + this.resizeObserver.observe(this.host.stage) + + this.intersectionObserver = new IntersectionObserver( + (entries) => { + for (const entry of entries) { + const index = Number((entry.target as HTMLElement).dataset.index) + if (!Number.isFinite(index)) continue + if (entry.isIntersecting) { + this.visiblePages.add(index) + this.queueRender(index) + } else { + this.visiblePages.delete(index) + } + } + this.trimCanvases() + }, + { root: this.scroller, rootMargin: '900px 0px', threshold: 0 } + ) + for (const slot of this.slots) { + slot.el.dataset.index = String(slot.index) + this.intersectionObserver.observe(slot.el) + } + } + + private disconnectObservers(): void { + this.intersectionObserver?.disconnect() + this.intersectionObserver = null + this.resizeObserver?.disconnect() + this.resizeObserver = null + } + + private handleResize(): void { + if (this.destroyed) return + let reflowChanged = false + if (this.reflowable) { + const width = this.scroller.clientWidth + const height = this.scroller.clientHeight + const changed = + Math.abs(width - this.lastReflowWidth) > 2 || Math.abs(height - this.lastReflowHeight) > 2 + reflowChanged = changed + if (changed) { + const page = this.currentPage + this.layoutReflow() + this.pageCount = this.doc.countPages() + this.pageTotal.textContent = `/ ${this.pageCount}` + this.pageInput.max = String(this.pageCount) + this.pageSizes.clear() + this.measureFirstPage() + this.buildPages() + this.buildOutline() + this.observe() + this.currentPage = Math.min(page, Math.max(0, this.pageCount - 1)) + if (this.searchHits.length) { + this.searchHits = [] + this.currentHit = -1 + this.searchCount.textContent = '' + } + } + } + if (this.fitMode === 'width') this.zoom = this.computeFitWidth() + else if (this.fitMode === 'page') this.zoom = this.computeFitPage() + this.applyZoomLabel() + this.layoutPageSizes() + this.epoch++ + this.renderVisible() + if (this.reflowable && reflowChanged && this.slots.length) this.goToPage(this.currentPage, false) + } + + private onWindowResize = () => { + if (this.resizeTimer) window.clearTimeout(this.resizeTimer) + this.resizeTimer = window.setTimeout(() => this.handleResize(), 320) + } + + private onScroll = () => { + if (this.scrollRaf) return + this.scrollRaf = requestAnimationFrame(() => { + this.scrollRaf = 0 + this.updateCurrentPage() + this.renderNear() + }) + } + + private updateCurrentPage(): void { + if (!this.slots.length) return + const mid = this.scroller.scrollTop + this.scroller.clientHeight / 2 + let best = this.currentPage + let bestDist = Infinity + for (const slot of this.slots) { + const center = slot.el.offsetTop + slot.el.offsetHeight / 2 + const dist = Math.abs(center - mid) + if (dist < bestDist) { + bestDist = dist + best = slot.index + } + } + if (best !== this.currentPage) this.currentPage = best + if (document.activeElement !== this.pageInput) { + this.pageInput.value = String(this.currentPage + 1) + } + this.applySlotSize(this.slots[this.currentPage]) + } + + private goToPage(index: number, smooth = true): void { + const target = Math.max(0, Math.min(this.pageCount - 1, index)) + this.currentPage = target + const slot = this.slots[target] + if (!slot) return + const top = Math.max(0, slot.el.offsetTop - 10) + this.scroller.scrollTo({ top, behavior: smooth ? 'smooth' : 'auto' }) + this.pageInput.value = String(target + 1) + this.queueRender(target) + this.renderNear() + } + + private renderNear(): void { + const top = this.scroller.scrollTop - 900 + const bottom = this.scroller.scrollTop + this.scroller.clientHeight + 900 + for (const slot of this.slots) { + const slotTop = slot.el.offsetTop + const slotBottom = slotTop + slot.el.offsetHeight + if (slotBottom >= top && slotTop <= bottom) this.queueRender(slot.index) + } + } + + private renderVisible(): void { + this.renderNear() + } + + private pageKey(): string { + return `${this.epoch}:${this.zoom.toFixed(3)}:${this.rotate}:${this.invert ? 1 : 0}` + } + + private queueRender(index: number): void { + const slot = this.slots[index] + if (!slot || this.destroyed) return + const key = this.pageKey() + if (slot.renderedKey === key) return + if (this.pendingRenders.has(index)) return + this.pendingRenders.add(index) + this.renderQueue = this.renderQueue + .then(async () => { + if (this.destroyed) return + this.pendingRenders.delete(index) + await this.renderPage(index) + }) + .catch((error: unknown) => { + this.pendingRenders.delete(index) + console.warn('page render failed', error) + if (!this.firstRenderDone) { + this.firstRenderDone = true + this.host.hideLoader() + toast('页面渲染失败，文档可能不受支持', 'error') + } + }) + } + + private async renderPage(index: number): Promise { + const slot = this.slots[index] + if (!slot || this.destroyed) return + const key = this.pageKey() + if (slot.renderedKey === key) return + let page: any = null + let pixmap: any = null + try { + page = this.doc.loadPage(index) + const bounds = page.getBounds() + const bw = Math.max(1, bounds[2] - bounds[0]) + const bh = Math.max(1, bounds[3] - bounds[1]) + const size = { w: bw, h: bh } + const known = this.pageSizes.get(index) + if (!known || Math.abs(known.w - bw) > 0.5 || Math.abs(known.h - bh) > 0.5) { + this.pageSizes.set(index, size) + this.applySlotSize(slot) + } + + const dpr = Math.min(window.devicePixelRatio || 1, 3) + let z = this.zoom * dpr + let pixels = bw * z * bh * z + const MAX_PIXELS = 6_000_000 + if (pixels > MAX_PIXELS) { + z *= Math.sqrt(MAX_PIXELS / pixels) + pixels = bw * z * bh * z + } + let matrix = this.mupdf.Matrix.scale(z, z) + if (this.rotate) matrix = this.mupdf.Matrix.concat(matrix, this.mupdf.Matrix.rotate(this.rotate)) + pixmap = page.toPixmap(matrix, this.mupdf.ColorSpace.DeviceRGB, false, true) + if (this.invert) pixmap.invert() + const pw = pixmap.getWidth() + const ph = pixmap.getHeight() + if (!pw || !ph) throw new Error('页面渲染为空') + slot.canvas.width = pw + slot.canvas.height = ph + const imageData = this.pixmapToImageData(pixmap, pw, ph) + slot.ctx.setTransform(1, 0, 0, 1, 0, 0) + slot.ctx.putImageData(imageData, 0, 0) + this.drawSearchHighlights(slot.ctx, matrix, pixmap, index) + slot.el.classList.add('rendered') + slot.renderedKey = key + if (!this.firstRenderDone) { + this.firstRenderDone = true + this.host.hideLoader() + } + this.trimCanvases() + } finally { + try { + pixmap?.destroy?.() + } catch { + /* ignore */ + } + try { + page?.destroy?.() + } catch { + /* ignore */ + } + } + } + + private pixmapToImageData(pixmap: any, width: number, height: number): ImageData { + const components = pixmap.getNumberOfComponents() + const stride = pixmap.getStride() + const src: Uint8ClampedArray = pixmap.getPixels() + const image = new ImageData(width, height) + const dst = image.data + if (components === 4) { + for (let y = 0; y < height; y++) { + const start = y * stride + dst.set(src.subarray(start, start + width * 4), y * width * 4) + } + } else if (components === 3) { + for (let y = 0; y < height; y++) { + const start = y * stride + let d = y * width * 4 + for (let x = 0; x < width; x++) { + const s = start + x * 3 + dst[d++] = src[s] + dst[d++] = src[s + 1] + dst[d++] = src[s + 2] + dst[d++] = 255 + } + } + } else if (components === 1) { + for (let y = 0; y < height; y++) { + const start = y * stride + let d = y * width * 4 + for (let x = 0; x < width; x++) { + const v = src[start + x] + dst[d++] = v + dst[d++] = v + dst[d++] = v + dst[d++] = 255 + } + } + } else { + throw new Error(`不支持的像素格式（${components} 通道）`) + } + return image + } + + private drawSearchHighlights( + ctx: CanvasRenderingContext2D, + matrix: number[], + pixmap: any, + pageIndex: number + ): void { + if (!this.searchHits.length) return + const hits = this.searchHits.filter((hit) => hit.page === pageIndex) + if (!hits.length) return + const originX = pixmap.getX?.() ?? 0 + const originY = pixmap.getY?.() ?? 0 + ctx.save() + for (const hit of hits) { + const active = hit.hitIndex === this.currentHit + ctx.fillStyle = active ? 'rgba(255,140,0,0.46)' : 'rgba(255,210,40,0.28)' + ctx.strokeStyle = active ? 'rgba(255,110,0,0.95)' : 'rgba(230,170,0,0.5)' + ctx.lineWidth = active ? 2 : 1 + for (const quad of hit.quads) { + let minX = Infinity + let minY = Infinity + let maxX = -Infinity + let maxY = -Infinity + for (let i = 0; i + 1 < quad.length; i += 2) { + const x = quad[i] + const y = quad[i + 1] + const tx = matrix[0] * x + matrix[2] * y + matrix[4] - originX + const ty = matrix[1] * x + matrix[3] * y + matrix[5] - originY + if (tx < minX) minX = tx + if (ty < minY) minY = ty + if (tx > maxX) maxX = tx + if (ty > maxY) maxY = ty + } + if (!Number.isFinite(minX)) continue + const w = Math.max(2, maxX - minX) + const hgt = Math.max(2, maxY - minY) + ctx.fillRect(minX, minY, w, hgt) + ctx.strokeRect(minX + 0.5, minY + 0.5, w - 1, hgt - 1) + } + } + ctx.restore() + } + + private trimCanvases(): void { + const keep = new Set(this.visiblePages) + keep.add(this.currentPage) + const rendered = this.slots.filter((slot) => slot.renderedKey) + if (rendered.length <= 6) return + const removable = rendered + .filter((slot) => !keep.has(slot.index)) + .sort((a, b) => Math.abs(b.index - this.currentPage) - Math.abs(a.index - this.currentPage)) + while (rendered.length > 6 && removable.length) { + const slot = removable.shift()! + slot.canvas.width = 0 + slot.canvas.height = 0 + slot.renderedKey = '' + slot.el.classList.remove('rendered') + rendered.splice(rendered.indexOf(slot), 1) + } + } + + private toggleSearch(): void { + if (this.searchVisible) { + this.closeSearch() + } else { + this.searchVisible = true + this.searchBar.classList.add('open') + window.setTimeout(() => this.searchInput.focus({ preventScroll: true }), 100) + this.searchInput.select() + } + } + + private closeSearch(): void { + this.searchVisible = false + this.searchInput.blur() + this.searchBar.classList.remove('open') + this.host.stage.scrollTop = 0 + this.host.stage.scrollLeft = 0 + this.searchToken++ + this.searchQuery = '' + this.searchHits = [] + this.currentHit = -1 + this.searchCount.textContent = '' + this.epoch++ + this.renderVisible() + } + + private async runSearch(query: string): Promise { + const token = ++this.searchToken + this.searchVisible = true + this.searchBar.classList.add('open') + this.searchQuery = query + this.searchHits = [] + this.currentHit = -1 + this.searchCount.textContent = '搜索中…' + const startPage = this.currentPage + let total = 0 + for (let pass = 0; pass < 2; pass++) { + const begin = pass === 0 ? startPage : 0 + const end = pass === 0 ? this.pageCount : startPage + for (let i = begin; i < end; i++) { + if (token !== this.searchToken || this.destroyed) return + let page: any = null + try { + page = this.doc.loadPage(i) + const results = page.search(query, {}) as number[][][] + let pageHit = 0 + for (const quads of results) { + if (!Array.isArray(quads) || !quads.length) continue + const flat: number[][] = [] + for (const quad of quads) { + if (Array.isArray(quad) && quad.length >= 4) flat.push(quad as number[]) + } + if (!flat.length) continue + this.searchHits.push({ hitIndex: total, page: i, quads: flat }) + total++ + pageHit++ + if (total >= 4000) break + } + if (pageHit && i % 5 === 0) { + this.searchCount.textContent = `已找到 ${total} 处…` + } + } catch { + /* skip page */ + } finally { + try { + page?.destroy?.() + } catch { + /* ignore */ + } + } + if (total >= 4000) break + if (i % 4 === 3) await new Promise((resolve) => setTimeout(resolve, 0)) + } + if (total >= 4000) break + if (this.searchHits.length) break + } + if (token !== this.searchToken) return + if (!this.searchHits.length) { + this.searchCount.textContent = '无结果' + this.epoch++ + this.renderVisible() + return + } + this.currentHit = 0 + this.updateSearchCount() + this.epoch++ + this.gotoHit(0) + } + + private updateSearchCount(): void { + if (!this.searchHits.length) { + this.searchCount.textContent = this.searchQuery ? '无结果' : '' + return + } + this.searchCount.textContent = `${this.currentHit + 1} / ${this.searchHits.length}` + } + + private gotoHit(index: number): void { + if (!this.searchHits.length) return + const clamped = ((index % this.searchHits.length) + this.searchHits.length) % this.searchHits.length + this.currentHit = clamped + const hit = this.searchHits[clamped] + this.updateSearchCount() + this.epoch++ + const target = this.slots[hit.page] + if (target) { + const top = Math.max(0, target.el.offsetTop - 10) + this.scroller.scrollTo({ top, behavior: 'auto' }) + this.currentPage = hit.page + this.pageInput.value = String(hit.page + 1) + } + this.renderVisible() + } + + private nextHit(): void { + if (!this.searchHits.length) { + if (this.searchInput.value.trim()) void this.runSearch(this.searchInput.value.trim()) + return + } + this.gotoHit(this.currentHit + 1) + } + + private prevHit(): void { + if (!this.searchHits.length) return + this.gotoHit(this.currentHit - 1) + } + + private openOutline(): void { + this.closeMenu() + this.outlineBackdrop.classList.add('open') + } + + private closeOutline(): void { + this.outlineBackdrop.classList.remove('open') + } + + private toggleMenu(): void { + this.menu.classList.toggle('open') + } + + private closeMenu(): void { + this.menu.classList.remove('open') + } + + private rotatePage(): void { + this.rotate = (this.rotate + 90) % 360 + if (this.fitMode === 'width') this.zoom = this.computeFitWidth() + else if (this.fitMode === 'page') this.zoom = this.computeFitPage() + this.applyZoomLabel() + this.layoutPageSizes() + this.epoch++ + this.renderVisible() + toast('已旋转 90°', 'info', 1500) + } + + private toggleInvert(): void { + this.invert = !this.invert + try { + localStorage.setItem(INVERT_KEY, this.invert ? '1' : '0') + } catch { + /* ignore */ + } + this.pagesEl.classList.toggle('inverted', this.invert) + this.applyInvertUi() + this.epoch++ + this.renderVisible() + } + + private applyInvertUi(): void { + this.updateMenuUi() + } + + private async toggleFullscreen(): Promise { + try { + if (!document.fullscreenElement) await this.host.root.requestFullscreen?.() + else await document.exitFullscreen?.() + } catch { + toast('当前浏览器不支持全屏', 'error') + } + } + + private onFullscreenChange = () => { + this.updateMenuUi() + window.setTimeout(() => this.handleResize(), 100) + } + + private onDoubleClick = (ev: MouseEvent) => { + const rect = this.scroller.getBoundingClientRect() + const y = ev.clientY - rect.top + const x = ev.clientX - rect.left + const fit = this.computeFitWidth() + if (this.zoom < fit * 1.8) this.zoomTo(fit * 2, y, true, x) + else this.fitWidth() + } + + private onWheel = (ev: WheelEvent) => { + if (!ev.ctrlKey && !ev.metaKey) return + ev.preventDefault() + const rect = this.scroller.getBoundingClientRect() + const localY = ev.clientY - rect.top + const localX = ev.clientX - rect.left + const factor = Math.exp(-ev.deltaY * 0.002) + this.zoomTo(this.zoom * factor, localY, true, localX) + } + + private onTouchStart = (ev: TouchEvent) => { + if (ev.touches.length !== 2) return + ev.preventDefault() + const [a, b] = [ev.touches[0], ev.touches[1]] + const rect = this.scroller.getBoundingClientRect() + const midY = (a.clientY + b.clientY) / 2 - rect.top + const midX = (a.clientX + b.clientX) / 2 - rect.left + this.pinch = { + startDist: Math.max(1, Math.hypot(a.clientX - b.clientX, a.clientY - b.clientY)), + startZoom: this.zoom, + startScrollTop: this.scroller.scrollTop, + startScrollLeft: this.scroller.scrollLeft, + midX, + midY + } + } + + private onTouchMove = (ev: TouchEvent) => { + if (!this.pinch || ev.touches.length !== 2) return + ev.preventDefault() + const [a, b] = [ev.touches[0], ev.touches[1]] + const rect = this.scroller.getBoundingClientRect() + const dist = Math.max(1, Math.hypot(a.clientX - b.clientX, a.clientY - b.clientY)) + const midY = (a.clientY + b.clientY) / 2 - rect.top + const midX = (a.clientX + b.clientX) / 2 - rect.left + const next = Math.max(0.02, Math.min(20, this.pinch.startZoom * (dist / this.pinch.startDist))) + const ratio = next / this.pinch.startZoom + const contentY = this.pinch.startScrollTop + this.pinch.midY + const contentX = this.pinch.startScrollLeft + this.pinch.midX + this.zoom = next + this.layoutPageSizes() + const maxScroll = Math.max(0, this.scroller.scrollHeight - this.scroller.clientHeight) + const maxScrollX = Math.max(0, this.scroller.scrollWidth - this.scroller.clientWidth) + this.scroller.scrollTop = Math.max(0, Math.min(maxScroll, contentY * ratio - midY)) + this.scroller.scrollLeft = Math.max(0, Math.min(maxScrollX, contentX * ratio - midX)) + this.applyZoomLabel() + this.fitMode = 'custom' + } + + private onTouchEnd = (ev: TouchEvent) => { + if (!this.pinch) return + if (ev.touches.length < 2) { + this.pinch = null + this.epoch++ + this.renderVisible() + this.updateCurrentPage() + } + } + + private onKeyDown = (ev: KeyboardEvent) => { + const active = document.activeElement + if (active && /^(input|textarea|select)$/i.test(active.tagName)) { + if (ev.key === 'Escape') (active as HTMLElement).blur() + return + } + switch (ev.key) { + case '+': + case '=': + ev.preventDefault() + this.zoomTo(this.zoom * 1.2) + break + case '-': + case '_': + ev.preventDefault() + this.zoomTo(this.zoom / 1.2) + break + case '0': + ev.preventDefault() + this.fitWidth() + break + case '/': + if (ev.ctrlKey || ev.metaKey) { + ev.preventDefault() + this.toggleSearch() + } + break + case 'f': + case 'F': + if (ev.ctrlKey || ev.metaKey) { + ev.preventDefault() + this.toggleSearch() + } + break + case 'Escape': + if (this.outlineBackdrop.classList.contains('open')) this.closeOutline() + else if (this.menu.classList.contains('open')) this.closeMenu() + else if (this.searchVisible) this.closeSearch() + break + default: + break + } + } + + destroy(): void { + if (this.destroyed) return + this.destroyed = true + this.searchToken++ + this.disconnectObservers() + if (this.resizeTimer) window.clearTimeout(this.resizeTimer) + if (this.scrollRaf) cancelAnimationFrame(this.scrollRaf) + this.scroller.removeEventListener('scroll', this.onScroll) + this.scroller.removeEventListener('dblclick', this.onDoubleClick) + this.scroller.removeEventListener('wheel', this.onWheel) + this.scroller.removeEventListener('touchstart', this.onTouchStart) + this.scroller.removeEventListener('touchmove', this.onTouchMove) + this.scroller.removeEventListener('touchend', this.onTouchEnd) + this.scroller.removeEventListener('touchcancel', this.onTouchEnd) + document.removeEventListener('keydown', this.onKeyDown) + document.removeEventListener('fullscreenchange', this.onFullscreenChange) + window.removeEventListener('resize', this.onWindowResize) + if (this.onDocumentPointerDown) document.removeEventListener('pointerdown', this.onDocumentPointerDown) + for (const slot of this.slots) { + slot.canvas.width = 0 + slot.canvas.height = 0 + } + try { + this.doc?.destroy?.() + } catch { + /* ignore */ + } + this.doc = null + this.host.destroy() + } +} diff --git a/src/doc/mupdfLoader.ts b/src/doc/mupdfLoader.ts new file mode 100644 index 0000000..277240c --- /dev/null +++ b/src/doc/mupdfLoader.ts @@ -0,0 +1,16 @@ +export type MuPDFModule = typeof import('mupdf') + +let promise: Promise | null = null + +export function loadMuPDF(): Promise { + if (promise) return promise + const url = new URL('vendor/mupdf/mupdf.js', document.baseURI).href + promise = import(/* @vite-ignore */ url) + .then((mod) => mod as unknown as MuPDFModule) + .catch((error: unknown) => { + promise = null + const detail = error instanceof Error ? error.message : String(error) + throw new Error(`文档引擎加载失败：${detail}`) + }) + return promise +} diff --git a/src/main.ts b/src/main.ts new file mode 100644 index 0000000..5c8f79d --- /dev/null +++ b/src/main.ts @@ -0,0 +1,7 @@ +import './styles.css' +import { registerSW } from 'virtual:pwa-register' +import { initApp } from './core/app' + +const isAndroidShell = typeof (window as unknown as { AndroidViewer?: unknown }).AndroidViewer !== 'undefined' +if (!isAndroidShell) registerSW({ immediate: true }) +initApp() diff --git a/src/styles.css b/src/styles.css new file mode 100644 index 0000000..fbd4f64 --- /dev/null +++ b/src/styles.css @@ -0,0 +1,2361 @@ +:root { + --safe-bottom: env(safe-area-inset-bottom, 0px); + --safe-top: env(safe-area-inset-top, 0px); + --radius-sm: 10px; + --radius: 14px; + --radius-lg: 20px; + --font: "Inter", "Noto Sans SC", "PingFang SC", "Microsoft YaHei", "Segoe UI", system-ui, sans-serif; +} + +:root[data-theme='dark'] { + --bg: #0b0e14; + --bg-2: #0f141c; + --bg-3: #151b25; + --panel: rgba(20, 26, 36, 0.78); + --panel-solid: #141a24; + --text: #e9eef7; + --muted: #8b98ab; + --faint: #5f6b7e; + --line: rgba(255, 255, 255, 0.08); + --line-strong: rgba(255, 255, 255, 0.15); + --accent: #4f8cff; + --accent-2: #62e6c5; + --accent-soft: rgba(79, 140, 255, 0.16); + --danger: #ff5c6c; + --shadow: 0 26px 70px rgba(0, 0, 0, 0.5); + --shadow-soft: 0 10px 30px rgba(0, 0, 0, 0.32); + --glass: rgba(15, 20, 28, 0.74); + --glass-2: rgba(17, 23, 32, 0.92); + --page-bg: #151a22; +} + +:root[data-theme='light'] { + --bg: #f2f5fa; + --bg-2: #e9eef6; + --bg-3: #ffffff; + --panel: rgba(255, 255, 255, 0.84); + --panel-solid: #ffffff; + --text: #111827; + --muted: #5c6a7d; + --faint: #8c98a8; + --line: rgba(15, 23, 42, 0.08); + --line-strong: rgba(15, 23, 42, 0.16); + --accent: #2563eb; + --accent-2: #0ea88a; + --accent-soft: rgba(37, 99, 235, 0.11); + --danger: #dc2626; + --shadow: 0 26px 70px rgba(30, 50, 90, 0.2); + --shadow-soft: 0 10px 30px rgba(30, 50, 90, 0.14); + --glass: rgba(255, 255, 255, 0.78); + --glass-2: rgba(255, 255, 255, 0.95); + --page-bg: #dfe6f1; +} + +* { + box-sizing: border-box; + -webkit-tap-highlight-color: transparent; +} + +html, +body, +#app { + height: 100%; + margin: 0; +} + +html { + background: var(--bg); +} + +body { + font-family: var(--font); + color: var(--text); + background: var(--bg); + overflow: hidden; + -webkit-font-smoothing: antialiased; + text-rendering: optimizeLegibility; +} + +[hidden] { + display: none !important; +} + +button, +input, +select, +textarea { + font: inherit; + color: inherit; +} + +button { + background: none; + border: 0; + padding: 0; + cursor: pointer; +} + +a { + color: var(--accent); +} + +::selection { + background: var(--accent-soft); +} + +:focus-visible { + outline: 2px solid var(--accent); + outline-offset: 2px; +} + +.icon-btn { + width: 40px; + height: 40px; + border-radius: 12px; + display: inline-grid; + place-items: center; + color: var(--muted); + transition: background 0.15s, color 0.15s, transform 0.1s; + flex: none; +} + +.icon-btn:hover { + background: var(--accent-soft); + color: var(--text); +} + +.icon-btn:active { + transform: scale(0.94); +} + +.icon-btn.active { + background: var(--accent-soft); + color: var(--accent); +} + +.btn { + display: inline-flex; + align-items: center; + justify-content: center; + gap: 8px; + padding: 10px 16px; + border-radius: 12px; + border: 1px solid transparent; + font-weight: 600; + font-size: 14px; + line-height: 1.2; + transition: transform 0.12s, box-shadow 0.2s, background 0.2s, border-color 0.2s; + white-space: nowrap; +} + +.btn:active { + transform: translateY(1px) scale(0.99); +} + +.btn-primary { + color: #fff; + background: linear-gradient(135deg, #5b9bff, #2f6fe4); + box-shadow: 0 10px 24px rgba(47, 111, 228, 0.38); +} + +.btn-primary:hover { + box-shadow: 0 14px 30px rgba(47, 111, 228, 0.46); +} + +.btn-ghost { + color: var(--text); + border-color: var(--line-strong); + background: transparent; +} + +.btn-ghost:hover { + background: var(--accent-soft); +} + +.btn-danger { + color: #fff; + background: linear-gradient(135deg, #ff6b7b, #d92d40); + box-shadow: 0 10px 24px rgba(217, 45, 64, 0.3); +} + +.btn-sm { + padding: 7px 12px; + font-size: 12.5px; + border-radius: 10px; +} + +.btn-lg { + padding: 14px 24px; + font-size: 16px; + border-radius: 14px; +} + +.text-link { + color: var(--accent); + font-weight: 600; + font-size: 13px; + padding: 2px 3px; + border-radius: 6px; +} + +.text-link:hover { + text-decoration: underline; +} + +.chip-btn { + border: 1px solid var(--line); + background: var(--bg-3); + color: var(--muted); + border-radius: 999px; + padding: 6px 11px; + font-size: 12px; + transition: background 0.15s, color 0.15s; +} + +.chip-btn:hover { + background: var(--accent-soft); + color: var(--text); +} + +.home { + height: 100%; + overflow-y: auto; + overflow-x: hidden; + background: + radial-gradient(1100px 600px at 15% -10%, rgba(79, 140, 255, 0.18), transparent 60%), + radial-gradient(900px 500px at 95% 5%, rgba(98, 230, 197, 0.1), transparent 55%), + var(--bg); + scrollbar-width: thin; +} + +.home-inner { + width: min(1180px, 100%); + margin: 0 auto; + padding: calc(22px + var(--safe-top)) 24px calc(36px + var(--safe-bottom)); +} + +.home-top { + display: flex; + align-items: center; + justify-content: space-between; + gap: 16px; +} + +.home-brand { + display: flex; + align-items: center; + gap: 12px; + min-width: 0; +} + +.brand-mark { + width: 46px; + height: 46px; + flex: none; + filter: drop-shadow(0 8px 18px rgba(47, 111, 228, 0.36)); +} + +.brand-mark svg { + width: 100%; + height: 100%; + display: block; +} + +.brand-name { + font-size: 18px; + font-weight: 750; + letter-spacing: -0.3px; +} + +.brand-sub { + font-size: 11.5px; + color: var(--muted); + margin-top: 2px; +} + +.home-actions { + display: flex; + align-items: center; + gap: 6px; +} + +.home-install { + display: inline-flex; + align-items: center; + gap: 6px; + padding: 8px 13px; + border-radius: 999px; + border: 1px solid rgba(79, 140, 255, 0.4); + background: var(--accent-soft); + color: var(--accent); + font-size: 12.5px; + font-weight: 650; +} + +.home-install:hover { + background: rgba(79, 140, 255, 0.24); +} + +.hero { + position: relative; + margin-top: 30px; + border-radius: 30px; + border: 1px solid var(--line); + background: + radial-gradient(700px 340px at 85% 10%, rgba(98, 230, 197, 0.12), transparent 60%), + linear-gradient(150deg, rgba(255, 255, 255, 0.055), rgba(255, 255, 255, 0.01)), + var(--bg-3); + box-shadow: var(--shadow-soft); + padding: 38px 40px; + display: grid; + grid-template-columns: minmax(0, 1.1fr) minmax(280px, 0.9fr); + gap: 30px; + overflow: hidden; +} + +:root[data-theme='light'] .hero { + background: + radial-gradient(700px 340px at 85% 10%, rgba(14, 168, 138, 0.1), transparent 60%), + linear-gradient(150deg, rgba(255, 255, 255, 0.9), rgba(255, 255, 255, 0.5)), + var(--bg-3); +} + +.hero::before { + content: ''; + position: absolute; + inset: -40% -20% auto auto; + width: 60%; + height: 70%; + background: radial-gradient(closest-side, rgba(79, 140, 255, 0.18), transparent); + pointer-events: none; +} + +.hero-copy { + position: relative; + z-index: 1; + min-width: 0; +} + +.eyebrow { + display: inline-flex; + align-items: center; + gap: 8px; + font-size: 12px; + font-weight: 600; + letter-spacing: 0.3px; + color: var(--muted); + background: var(--accent-soft); + border: 1px solid rgba(79, 140, 255, 0.22); + padding: 6px 12px; + border-radius: 999px; +} + +.eyebrow-dot { + width: 7px; + height: 7px; + border-radius: 50%; + background: var(--accent-2); + box-shadow: 0 0 0 4px rgba(98, 230, 197, 0.14); +} + +.hero h1 { + margin: 18px 0 0; + font-size: clamp(30px, 4.6vw, 50px); + line-height: 1.12; + letter-spacing: -1.4px; + font-weight: 800; +} + +.grad-text { + background: linear-gradient(100deg, #6aa5ff 0%, #4f8cff 40%, #62e6c5 100%); + -webkit-background-clip: text; + background-clip: text; + color: transparent; +} + +.hero-sub { + margin: 18px 0 0; + max-width: 660px; + color: var(--muted); + font-size: 14.5px; + line-height: 1.72; +} + +.hero-actions { + display: flex; + align-items: center; + flex-wrap: wrap; + gap: 18px; + margin-top: 26px; +} + +.sample-links { + display: flex; + align-items: center; + gap: 7px; + font-size: 12.5px; + color: var(--faint); + flex-wrap: wrap; +} + +.dot-sep { + color: var(--faint); +} + +.format-chips { + display: flex; + flex-wrap: wrap; + gap: 8px; + margin-top: 24px; +} + +.format-chip { + font-size: 11.5px; + color: var(--muted); + border: 1px solid var(--line); + background: rgba(255, 255, 255, 0.03); + padding: 5px 10px; + border-radius: 999px; +} + +:root[data-theme='light'] .format-chip { + background: rgba(255, 255, 255, 0.7); +} + +.hero-art { + display: flex; + align-items: center; + justify-content: center; + color: var(--text); + min-height: 250px; +} + +.hero-art svg { + width: 100%; + max-width: 480px; + height: auto; + filter: drop-shadow(0 24px 50px rgba(0, 0, 0, 0.3)); +} + +:root[data-theme='light'] .hero-art svg { + filter: drop-shadow(0 24px 50px rgba(30, 50, 90, 0.16)); +} + +.feature-grid { + display: grid; + grid-template-columns: repeat(4, minmax(0, 1fr)); + gap: 14px; + margin-top: 20px; +} + +.feature-card { + border: 1px solid var(--line); + background: var(--panel); + backdrop-filter: blur(12px); + border-radius: 18px; + padding: 18px; + transition: transform 0.2s, border-color 0.2s; +} + +.feature-card:hover { + transform: translateY(-2px); + border-color: var(--line-strong); +} + +.feature-icon { + width: 42px; + height: 42px; + border-radius: 12px; + display: grid; + place-items: center; + background: var(--accent-soft); + color: var(--accent); + margin-bottom: 12px; +} + +.feature-card h3 { + margin: 0; + font-size: 14.5px; + font-weight: 700; +} + +.feature-card p { + margin: 8px 0 0; + color: var(--muted); + font-size: 12.5px; + line-height: 1.65; +} + +.recent-section { + margin-top: 34px; +} + +.section-head { + display: flex; + align-items: flex-end; + justify-content: space-between; + gap: 16px; +} + +.section-head h2 { + margin: 0; + font-size: 18px; + letter-spacing: -0.3px; +} + +.section-head p { + margin: 5px 0 0; + color: var(--faint); + font-size: 12px; +} + +.recent-grid { + display: grid; + grid-template-columns: repeat(3, minmax(0, 1fr)); + gap: 12px; + margin-top: 14px; +} + +.recent-card { + display: flex; + align-items: center; + gap: 12px; + padding: 13px; + border: 1px solid var(--line); + background: var(--panel); + border-radius: 16px; + cursor: pointer; + transition: border-color 0.18s, transform 0.18s, background 0.18s; + min-width: 0; +} + +.recent-card:hover { + border-color: rgba(79, 140, 255, 0.45); + transform: translateY(-1px); +} + +.recent-card:focus-visible { + outline-offset: 1px; +} + +.recent-icon { + width: 44px; + height: 44px; + border-radius: 12px; + display: grid; + place-items: center; + flex: none; +} + +.recent-info { + flex: 1; + min-width: 0; + display: flex; + flex-direction: column; + gap: 4px; +} + +.recent-name { + font-size: 13.5px; + font-weight: 650; + white-space: nowrap; + overflow: hidden; + text-overflow: ellipsis; +} + +.recent-meta { + font-size: 11px; + color: var(--muted); + white-space: nowrap; + overflow: hidden; + text-overflow: ellipsis; +} + +.recent-del { + width: 30px; + height: 30px; + border-radius: 9px; + display: grid; + place-items: center; + color: var(--faint); + flex: none; + opacity: 0.6; + transition: color 0.15s, background 0.15s, opacity 0.15s; +} + +.recent-del:hover { + color: var(--danger); + background: rgba(255, 92, 108, 0.12); + opacity: 1; +} + +.recent-empty { + grid-column: 1 / -1; + display: flex; + flex-direction: column; + align-items: center; + gap: 7px; + padding: 34px 20px; + border: 1px dashed var(--line-strong); + border-radius: 18px; + color: var(--muted); + text-align: center; +} + +.recent-empty strong { + color: var(--text); + font-size: 14px; +} + +.recent-empty span:last-child { + font-size: 12px; + max-width: 440px; + line-height: 1.6; +} + +.recent-empty-icon { + color: var(--faint); + margin-bottom: 4px; +} + +.home-footer { + display: flex; + align-items: center; + justify-content: center; + flex-wrap: wrap; + gap: 8px; + margin-top: 42px; + padding-top: 20px; + border-top: 1px solid var(--line); + color: var(--faint); + font-size: 11.5px; + text-align: center; +} + +.footer-dot { + opacity: 0.6; +} + +.tone-cad { + background: rgba(79, 140, 255, 0.16); + color: #8db8ff; +} + +.tone-pdf { + background: rgba(255, 92, 92, 0.14); + color: #ff8d8d; +} + +.tone-book { + background: rgba(98, 230, 197, 0.14); + color: #62e6c5; +} + +.tone-doc { + background: rgba(167, 139, 250, 0.14); + color: #b9a6ff; +} + +.tone-comic { + background: rgba(255, 209, 102, 0.14); + color: #ffd166; +} + +.tone-image { + background: rgba(244, 114, 182, 0.14); + color: #f472b6; +} + +:root[data-theme='light'] .tone-cad { + color: #2f6fe4; +} +:root[data-theme='light'] .tone-pdf { + color: #d92d40; +} +:root[data-theme='light'] .tone-book { + color: #0e8a72; +} +:root[data-theme='light'] .tone-doc { + color: #6d4bd8; +} +:root[data-theme='light'] .tone-comic { + color: #b47b00; +} +:root[data-theme='light'] .tone-image { + color: #c02876; +} + +/* ---------------------------- Viewer ---------------------------- */ + +.viewer-root { + position: absolute; + inset: 0; + z-index: 5; +} + +.viewer { + height: 100%; + display: flex; + flex-direction: column; + background: var(--bg); + overflow: hidden; +} + +.viewer-header { + display: flex; + align-items: center; + gap: 6px; + padding: calc(8px + var(--safe-top)) 10px 8px; + min-height: 58px; + background: var(--glass-2); + border-bottom: 1px solid var(--line); + backdrop-filter: blur(16px); + z-index: 20; + flex: none; +} + +.back-btn { + margin-right: 2px; +} + +.file-box { + display: flex; + align-items: center; + gap: 9px; + flex: 1; + min-width: 0; +} + +.file-badge { + flex: none; + font-size: 10px; + font-weight: 800; + letter-spacing: 0.4px; + padding: 5px 7px; + border-radius: 7px; + line-height: 1; +} + +.file-titles { + min-width: 0; + display: flex; + flex-direction: column; + gap: 2px; +} + +.file-name { + font-size: 13.5px; + font-weight: 650; + white-space: nowrap; + overflow: hidden; + text-overflow: ellipsis; +} + +.file-meta { + font-size: 10.5px; + color: var(--muted); + white-space: nowrap; + overflow: hidden; + text-overflow: ellipsis; +} + +.viewer-actions { + display: flex; + align-items: center; + gap: 1px; + flex: none; +} + +.viewer-subbar { + display: flex; + align-items: center; + padding: 7px 10px; + border-bottom: 1px solid var(--line); + background: var(--bg-2); + overflow-x: auto; + overflow-y: hidden; + flex: none; + scrollbar-width: none; +} + +.viewer-subbar::-webkit-scrollbar { + display: none; +} + +.viewer-body { + position: relative; + flex: 1; + min-height: 0; + overflow: hidden; + overflow: clip; +} + +.viewer-stage { + position: absolute; + inset: 0; + overflow: hidden; + overflow: clip; + background: var(--bg); +} + +.viewer-status { + position: absolute; + left: 12px; + bottom: calc(12px + var(--safe-bottom)); + z-index: 15; + max-width: calc(100% - 110px); + padding: 6px 12px; + border-radius: 999px; + background: var(--glass); + border: 1px solid var(--line); + backdrop-filter: blur(12px); + color: var(--muted); + font-size: 11.5px; + line-height: 1.3; + white-space: nowrap; + overflow: hidden; + text-overflow: ellipsis; + pointer-events: none; +} + +.viewer-loader { + position: absolute; + inset: 0; + z-index: 80; + display: grid; + place-items: center; + background: rgba(8, 11, 17, 0.72); + backdrop-filter: blur(8px); + padding: 20px; +} + +.loader-card { + display: flex; + flex-direction: column; + align-items: center; + gap: 12px; + min-width: 220px; + max-width: min(420px, 90vw); + padding: 26px 30px; + border-radius: 20px; + border: 1px solid var(--line-strong); + background: var(--panel-solid); + box-shadow: var(--shadow); + text-align: center; +} + +.spinner { + width: 34px; + height: 34px; + border-radius: 50%; + border: 3px solid var(--line-strong); + border-top-color: var(--accent); + animation: spin 0.8s linear infinite; +} + +@keyframes spin { + to { + transform: rotate(360deg); + } +} + +.loader-text { + font-size: 14px; + font-weight: 650; +} + +.loader-detail { + font-size: 11.5px; + color: var(--muted); + max-width: 100%; + overflow: hidden; + text-overflow: ellipsis; + white-space: nowrap; +} + +.hidden-input { + position: fixed; + left: -9999px; + top: 0; + width: 1px; + height: 1px; + opacity: 0; + pointer-events: none; +} + +.tabs { + display: flex; + align-items: center; + gap: 5px; + min-width: max-content; +} + +.tab { + display: inline-flex; + align-items: center; + gap: 6px; + height: 31px; + padding: 0 12px; + border-radius: 9px; + border: 1px solid transparent; + color: var(--muted); + font-size: 12.5px; + white-space: nowrap; + transition: background 0.15s, color 0.15s, border-color 0.15s; +} + +.tab:hover { + background: var(--bg-3); + color: var(--text); +} + +.tab.active { + background: var(--accent-soft); + border-color: rgba(79, 140, 255, 0.3); + color: var(--accent); + font-weight: 650; +} + +.tab-icon { + display: flex; + opacity: 0.85; +} + +/* ---------------------------- CAD ---------------------------- */ + +.cad-canvas { + position: absolute; + inset: 0; + width: 100%; + height: 100%; + display: block; + touch-action: none; + cursor: grab; + user-select: none; + -webkit-user-select: none; +} + +.cad-canvas:active { + cursor: grabbing; +} + +.cad-canvas.crosshair, +.cad-canvas.crosshair:active { + cursor: crosshair; +} + +.cad-tools { + position: absolute; + right: 12px; + bottom: calc(60px + var(--safe-bottom)); + z-index: 16; + display: flex; + flex-direction: column; + gap: 5px; + padding: 6px; + border-radius: 16px; + border: 1px solid var(--line); + background: var(--glass); + backdrop-filter: blur(14px); + box-shadow: var(--shadow-soft); +} + +.cad-tools .icon-btn { + width: 40px; + height: 40px; + border-radius: 11px; +} + +.cad-tools .icon-btn.active { + color: var(--accent); + background: var(--accent-soft); +} + +.tool-divider { + height: 1px; + margin: 3px 7px; + background: var(--line); +} + +.tool-hidden { + display: none !important; +} + +.cad-hint { + position: absolute; + top: 14px; + left: 50%; + transform: translateX(-50%); + z-index: 14; + padding: 8px 14px; + border-radius: 999px; + border: 1px solid var(--line); + background: var(--glass-2); + color: var(--muted); + font-size: 11.5px; + white-space: nowrap; + box-shadow: var(--shadow-soft); + pointer-events: none; + transition: opacity 0.35s, transform 0.35s; +} + +.cad-hint.hide { + opacity: 0; + transform: translate(-50%, -8px); +} + +.sheet-backdrop { + position: absolute; + inset: 0; + z-index: 40; + background: rgba(0, 0, 0, 0.45); + backdrop-filter: blur(3px); + opacity: 0; + pointer-events: none; + transition: opacity 0.22s; +} + +.sheet-backdrop.open { + opacity: 1; + pointer-events: auto; +} + +.sheet { + position: absolute; + top: 0; + right: 0; + height: 100%; + width: min(380px, 92vw); + background: var(--panel-solid); + border-left: 1px solid var(--line); + box-shadow: var(--shadow); + display: flex; + flex-direction: column; + transform: translateX(102%); + transition: transform 0.24s cubic-bezier(0.2, 0.8, 0.2, 1); +} + +.sheet-backdrop.open .sheet { + transform: none; +} + +.sheet.sheet-left { + left: 0; + right: auto; + border-left: 0; + border-right: 1px solid var(--line); + transform: translateX(-102%); +} + +.sheet-backdrop.open .sheet.sheet-left { + transform: none; +} + +.sheet-head { + display: flex; + align-items: center; + justify-content: space-between; + padding: 15px 14px 10px; + flex: none; +} + +.sheet-title { + font-size: 15px; + font-weight: 700; + display: flex; + align-items: center; + gap: 8px; +} + +.sheet-actions { + display: flex; + flex-wrap: wrap; + gap: 6px; + padding: 0 14px 12px; + flex: none; +} + +.sheet-search-input { + margin: 0 14px 10px; + padding: 10px 12px; + border-radius: 10px; + border: 1px solid var(--line); + background: var(--bg-2); + color: var(--text); + font-size: 13px; + outline: none; + flex: none; +} + +.sheet-search-input:focus { + border-color: var(--accent); + box-shadow: 0 0 0 3px var(--accent-soft); +} + +.sheet-list { + flex: 1; + overflow-y: auto; + padding: 0 8px calc(18px + var(--safe-bottom)); + overscroll-behavior: contain; +} + +.layer-row { + width: 100%; + display: flex; + align-items: center; + gap: 10px; + padding: 9px 10px; + border-radius: 10px; + text-align: left; + color: var(--text); + transition: background 0.15s; +} + +.layer-row:hover { + background: var(--bg-2); +} + +.layer-row.hidden { + opacity: 0.48; +} + +.layer-swatch { + width: 14px; + height: 14px; + border-radius: 4px; + border: 1px solid rgba(0, 0, 0, 0.24); + flex: none; +} + +.layer-info { + flex: 1; + min-width: 0; + display: flex; + flex-direction: column; + gap: 2px; +} + +.layer-name { + font-size: 13px; + font-weight: 550; + white-space: nowrap; + overflow: hidden; + text-overflow: ellipsis; +} + +.layer-meta { + font-size: 10.5px; + color: var(--muted); +} + +.layer-eye { + color: var(--muted); + display: flex; + flex: none; +} + +.outline-list { + flex: 1; + overflow-y: auto; + padding: 2px 8px calc(18px + var(--safe-bottom)); + overscroll-behavior: contain; +} + +.outline-item { + width: 100%; + display: flex; + align-items: center; + gap: 8px; + padding: 9px 12px; + border-radius: 8px; + text-align: left; + color: var(--text); + font-size: 13px; + transition: background 0.15s; +} + +.outline-item:hover { + background: var(--bg-2); +} + +.outline-item.no-page { + opacity: 0.65; +} + +.outline-text { + flex: 1; + min-width: 0; + white-space: nowrap; + overflow: hidden; + text-overflow: ellipsis; +} + +.outline-page { + color: var(--muted); + font-size: 10.5px; + flex: none; +} + +.outline-empty { + padding: 26px 16px; + text-align: center; + color: var(--muted); + font-size: 12.5px; + line-height: 1.6; +} + +/* ---------------------------- Documents ---------------------------- */ + +.doc-scroll { + position: absolute; + inset: 0; + overflow-y: auto; + overflow-x: auto; + padding: 10px 0 calc(94px + var(--safe-bottom)); + background: + radial-gradient(900px 500px at 50% -10%, rgba(79, 140, 255, 0.08), transparent 60%), + var(--bg-2); + touch-action: pan-x pan-y; + overscroll-behavior: contain; + scroll-behavior: auto; + -webkit-overflow-scrolling: touch; + scrollbar-width: thin; +} + +.doc-scroll::-webkit-scrollbar { + width: 8px; +} + +.doc-scroll::-webkit-scrollbar-thumb { + background: var(--line-strong); + border-radius: 8px; +} + +.doc-pages { + display: flex; + flex-direction: column; + align-items: center; + gap: 18px; + width: max-content; + min-width: 100%; + min-height: 100%; + margin: 0 auto; + padding: 8px 16px 20px; +} + +.doc-page { + position: relative; + flex: none; + background: #ffffff; + border-radius: 3px; + box-shadow: + 0 1px 2px rgba(0, 0, 0, 0.14), + 0 14px 34px rgba(0, 0, 0, 0.24); + overflow: hidden; + min-width: 24px; + min-height: 24px; +} + +:root[data-theme='light'] .doc-page { + box-shadow: + 0 1px 2px rgba(30, 50, 90, 0.12), + 0 16px 38px rgba(30, 50, 90, 0.16); +} + +.doc-page-canvas { + display: block; + width: 100%; + height: 100%; +} + +.doc-pages.inverted .doc-page { + background: var(--page-bg); +} + +.doc-bottom { + position: absolute; + left: 50%; + bottom: calc(10px + var(--safe-bottom)); + transform: translateX(-50%); + z-index: 22; + display: flex; + align-items: center; + gap: 4px; + max-width: calc(100% - 14px); + padding: 5px 8px; + border-radius: 16px; + border: 1px solid var(--line); + background: var(--glass-2); + backdrop-filter: blur(16px); + box-shadow: var(--shadow-soft); + overflow-x: auto; + scrollbar-width: none; +} + +.doc-bottom::-webkit-scrollbar { + display: none; +} + +.doc-group { + display: flex; + align-items: center; + gap: 1px; + padding: 0 5px; + border-right: 1px solid var(--line); + flex: none; +} + +.doc-group:last-child { + border-right: 0; + padding-right: 1px; +} + +.doc-btn { + width: 34px; + height: 34px; + border-radius: 9px; +} + +.page-input { + width: 44px; + height: 30px; + padding: 0 2px; + border-radius: 8px; + border: 1px solid var(--line); + background: var(--bg-2); + color: var(--text); + font-size: 12px; + text-align: center; + outline: none; + -moz-appearance: textfield; + appearance: textfield; +} + +.page-input::-webkit-outer-spin-button, +.page-input::-webkit-inner-spin-button { + -webkit-appearance: none; + margin: 0; +} + +.page-input:focus { + border-color: var(--accent); + box-shadow: 0 0 0 3px var(--accent-soft); +} + +.page-total { + font-size: 11.5px; + color: var(--muted); + min-width: 38px; + text-align: left; +} + +.zoom-label { + min-width: 54px; + height: 30px; + padding: 0 8px; + border-radius: 8px; + border: 1px solid var(--line); + background: var(--bg-2); + color: var(--text); + font-size: 11.5px; + font-weight: 650; + transition: background 0.15s; +} + +.zoom-label:hover { + background: var(--accent-soft); +} + +.doc-search { + position: absolute; + top: 10px; + left: 50%; + transform: translate(-50%, -150%); + z-index: 26; + display: flex; + align-items: center; + gap: 5px; + width: min(560px, calc(100% - 20px)); + padding: 6px 7px 6px 11px; + border-radius: 14px; + border: 1px solid var(--line); + background: var(--glass-2); + backdrop-filter: blur(16px); + box-shadow: var(--shadow-soft); + opacity: 0; + pointer-events: none; + transition: transform 0.22s cubic-bezier(0.2, 0.8, 0.2, 1), opacity 0.2s; +} + +.doc-search.open { + transform: translate(-50%, 0); + opacity: 1; + pointer-events: auto; +} + +.doc-search-icon { + color: var(--muted); + display: flex; + flex: none; +} + +.doc-search-input { + flex: 1; + min-width: 40px; + border: 0; + background: transparent; + color: var(--text); + outline: none; + font-size: 14px; + padding: 6px 2px; +} + +.doc-search-input::-webkit-search-cancel-button { + -webkit-appearance: none; + appearance: none; +} + +.doc-search-count { + font-size: 10.5px; + color: var(--muted); + white-space: nowrap; + max-width: 110px; + overflow: hidden; + text-overflow: ellipsis; +} + +.doc-menu { + position: absolute; + right: 12px; + bottom: calc(66px + var(--safe-bottom)); + z-index: 30; + min-width: 200px; + padding: 6px; + border-radius: 14px; + border: 1px solid var(--line); + background: var(--panel-solid); + box-shadow: var(--shadow); + display: flex; + flex-direction: column; + gap: 1px; + opacity: 0; + transform: translateY(8px) scale(0.98); + transform-origin: bottom right; + pointer-events: none; + transition: opacity 0.16s, transform 0.16s; +} + +.doc-menu.open { + opacity: 1; + transform: none; + pointer-events: auto; +} + +.menu-item { + display: flex; + align-items: center; + gap: 10px; + width: 100%; + padding: 10px 11px; + border-radius: 9px; + text-align: left; + color: var(--text); + font-size: 13px; + transition: background 0.14s, color 0.14s; +} + +.menu-item:hover { + background: var(--bg-2); +} + +.menu-item.active { + color: var(--accent); + background: var(--accent-soft); +} + +.menu-icon { + width: 19px; + display: flex; + color: var(--muted); +} + +.menu-item.active .menu-icon { + color: var(--accent); +} + +.form-error { + margin: 0; + color: var(--danger); + font-size: 12px; +} + +.password-form { + display: flex; + flex-direction: column; + gap: 10px; +} + +.text-input { + width: 100%; + padding: 11px 12px; + border-radius: 10px; + border: 1px solid var(--line); + background: var(--bg-2); + color: var(--text); + font-size: 14px; + outline: none; +} + +.text-input:focus { + border-color: var(--accent); + box-shadow: 0 0 0 3px var(--accent-soft); +} + +/* ---------------------------- Modal ---------------------------- */ + +.modal-backdrop { + position: fixed; + inset: 0; + z-index: 100; + display: grid; + place-items: center; + padding: 20px; + background: rgba(4, 7, 12, 0.58); + backdrop-filter: blur(7px); + opacity: 0; + transition: opacity 0.18s; +} + +.modal-backdrop.show { + opacity: 1; +} + +.modal { + width: min(100%, 560px); + max-height: min(86vh, 760px); + display: flex; + flex-direction: column; + background: var(--panel-solid); + border: 1px solid var(--line-strong); + border-radius: 20px; + box-shadow: var(--shadow); + transform: translateY(10px) scale(0.98); + transition: transform 0.18s; + overflow: hidden; +} + +.modal-backdrop.show .modal { + transform: none; +} + +.modal-sm { + max-width: 410px; +} + +.modal-lg { + max-width: 760px; +} + +.modal-head { + display: flex; + align-items: flex-start; + justify-content: space-between; + gap: 12px; + padding: 20px 20px 8px; + flex: none; +} + +.modal-titles { + min-width: 0; +} + +.modal-title { + margin: 0; + font-size: 17px; + font-weight: 750; + letter-spacing: -0.2px; +} + +.modal-subtitle { + margin: 4px 0 0; + color: var(--muted); + font-size: 11.5px; + overflow: hidden; + text-overflow: ellipsis; + white-space: nowrap; +} + +.modal-close { + margin: -6px -6px 0 0; +} + +.modal-body { + padding: 6px 20px 18px; + overflow-y: auto; + font-size: 13.5px; + line-height: 1.7; + color: var(--text); +} + +.modal-text { + margin: 0 0 10px; + color: var(--muted); + line-height: 1.7; +} + +.modal-details { + margin: 10px 0 0; + padding: 10px 12px; + border-radius: 10px; + background: var(--bg-2); + border: 1px solid var(--line); + color: var(--muted); + font-size: 11px; + line-height: 1.55; + white-space: pre-wrap; + word-break: break-word; + max-height: 160px; + overflow: auto; +} + +.modal-actions { + display: flex; + justify-content: flex-end; + flex-wrap: wrap; + gap: 8px; + padding: 0 20px 20px; + flex: none; +} + +.about h3 { + margin: 16px 0 6px; + font-size: 13px; + font-weight: 700; +} + +.about-list { + margin: 0; + padding: 0; + list-style: none; + color: var(--muted); + font-size: 12.5px; +} + +.about-list li { + margin: 4px 0; + line-height: 1.6; +} + +.about-list strong { + color: var(--text); + font-weight: 650; +} + +.about-version { + margin: 18px 0 0; + color: var(--faint); + font-size: 11px; +} + +/* ---------------------------- Toast ---------------------------- */ + +#toasts { + position: fixed; + left: 50%; + bottom: calc(24px + var(--safe-bottom)); + transform: translateX(-50%); + z-index: 200; + display: flex; + flex-direction: column; + align-items: center; + gap: 8px; + width: max-content; + max-width: min(520px, calc(100vw - 24px)); + pointer-events: none; +} + +.toast { + display: flex; + align-items: center; + gap: 8px; + max-width: 100%; + padding: 10px 14px; + border-radius: 12px; + border: 1px solid var(--line-strong); + background: var(--glass-2); + backdrop-filter: blur(14px); + box-shadow: var(--shadow-soft); + color: var(--text); + font-size: 12.5px; + opacity: 0; + transform: translateY(8px); + transition: opacity 0.2s, transform 0.2s; + pointer-events: auto; + cursor: pointer; +} + +.toast.show { + opacity: 1; + transform: none; +} + +.toast-icon { + display: flex; + color: var(--accent); + flex: none; +} + +.toast-error .toast-icon { + color: var(--danger); +} + +.toast-success .toast-icon { + color: var(--accent-2); +} + +.toast-text { + min-width: 0; + line-height: 1.45; +} + +/* ---------------------------- Drop ---------------------------- */ + +.drop-overlay { + position: fixed; + inset: 0; + z-index: 300; + display: grid; + place-items: center; + background: rgba(4, 7, 12, 0.74); + backdrop-filter: blur(9px); + opacity: 0; + pointer-events: none; + transition: opacity 0.2s; + padding: 24px; +} + +.drop-overlay.show { + opacity: 1; + pointer-events: auto; +} + +.drop-box { + display: flex; + flex-direction: column; + align-items: center; + gap: 8px; + padding: 46px 56px; + border: 2px dashed var(--accent); + border-radius: 24px; + background: rgba(79, 140, 255, 0.08); + color: var(--text); + text-align: center; +} + +.drop-icon { + color: var(--accent); + margin-bottom: 6px; +} + +.drop-box strong { + font-size: 18px; +} + +.drop-box span:last-child { + color: var(--muted); + font-size: 12.5px; +} + +/* ---------------------------- Responsive ---------------------------- */ + +@media (max-width: 980px) { + .hero { + grid-template-columns: 1fr; + padding: 30px; + } + + .hero-art { + min-height: 0; + max-width: 520px; + width: 100%; + margin: 0 auto; + } + + .feature-grid { + grid-template-columns: repeat(2, minmax(0, 1fr)); + } + + .recent-grid { + grid-template-columns: repeat(2, minmax(0, 1fr)); + } +} + +@media (max-width: 720px) { + .home-inner { + padding: calc(16px + var(--safe-top)) 14px calc(28px + var(--safe-bottom)); + } + + .hero { + padding: 24px 18px; + border-radius: 24px; + margin-top: 20px; + } + + .hero h1 { + font-size: clamp(27px, 8.4vw, 40px); + letter-spacing: -0.9px; + } + + .hero-sub { + font-size: 13.5px; + } + + .hero-actions { + gap: 14px; + } + + .btn-lg { + padding: 13px 20px; + } + + .brand-sub { + display: none; + } + + .home-install span:last-child { + display: none; + } + + .home-install { + padding: 9px; + border-radius: 12px; + } + + .feature-grid { + grid-template-columns: 1fr; + gap: 10px; + } + + .recent-grid { + grid-template-columns: 1fr; + } + + .section-head { + align-items: flex-start; + } + + .viewer-header { + padding: calc(6px + var(--safe-top)) 6px 6px; + min-height: 54px; + } + + .viewer-actions .icon-btn { + width: 36px; + height: 36px; + } + + .back-btn { + width: 38px; + height: 38px; + } + + .file-meta { + display: none; + } + + .viewer-subbar { + padding: 6px 8px; + } + + .cad-tools { + right: 8px; + bottom: calc(54px + var(--safe-bottom)); + padding: 5px; + border-radius: 15px; + } + + .cad-tools .icon-btn { + width: 38px; + height: 38px; + } + + .viewer-status { + left: 8px; + bottom: calc(8px + var(--safe-bottom)); + font-size: 10.5px; + max-width: calc(100% - 78px); + padding: 5px 10px; + } + + .cad-hint { + font-size: 10.5px; + padding: 7px 12px; + max-width: calc(100% - 24px); + overflow: hidden; + text-overflow: ellipsis; + } + + .sheet { + top: auto; + bottom: 0; + left: 0; + right: 0; + width: 100%; + height: min(74vh, 640px); + border-left: 0; + border-top: 1px solid var(--line); + border-radius: 20px 20px 0 0; + transform: translateY(102%); + } + + .sheet.sheet-left { + left: 0; + right: 0; + border-right: 0; + transform: translateY(102%); + } + + .sheet-backdrop.open .sheet, + .sheet-backdrop.open .sheet.sheet-left { + transform: none; + } + + .doc-scroll { + padding-bottom: calc(88px + var(--safe-bottom)); + } + + .doc-pages { + padding: 6px 10px 16px; + gap: 14px; + } + + .doc-bottom { + bottom: calc(7px + var(--safe-bottom)); + padding: 4px 5px; + border-radius: 14px; + gap: 1px; + } + + .doc-group { + padding: 0 3px; + } + + .doc-btn { + width: 33px; + height: 33px; + } + + .page-input { + width: 38px; + height: 29px; + } + + .page-total { + min-width: 32px; + font-size: 10.5px; + } + + .zoom-label { + min-width: 46px; + height: 29px; + font-size: 10.5px; + padding: 0 5px; + } + + .doc-menu { + right: 8px; + bottom: calc(62px + var(--safe-bottom)); + } + + .doc-search { + top: 7px; + width: calc(100% - 14px); + padding: 5px 6px 5px 10px; + } + + .doc-search-count { + max-width: 74px; + } + + .modal-backdrop { + padding: 12px; + } + + .modal { + border-radius: 18px; + } + + .drop-box { + padding: 34px 24px; + } +} + +@media (max-width: 420px) { + .hero-art { + display: none; + } + + .format-chips { + gap: 6px; + } + + .format-chip { + font-size: 10.5px; + padding: 4px 8px; + } + + .sample-links { + font-size: 11.5px; + } + + .viewer-actions { + gap: 0; + } + + .doc-group { + padding: 0 2px; + } + + .doc-btn { + width: 32px; + height: 32px; + } +} + +@media (max-height: 520px) and (orientation: landscape) { + .viewer-header { + min-height: 46px; + padding-top: calc(3px + var(--safe-top)); + padding-bottom: 3px; + } + + .viewer-subbar { + padding: 4px 8px; + } + + .tab { + height: 28px; + } + + .cad-tools { + bottom: calc(44px + var(--safe-bottom)); + } + + .doc-scroll { + padding-bottom: calc(74px + var(--safe-bottom)); + } + + .doc-bottom { + bottom: calc(5px + var(--safe-bottom)); + } +} + +@media (prefers-reduced-motion: reduce) { + *, + *::before, + *::after { + animation-duration: 0.001ms !important; + animation-iteration-count: 1 !important; + transition-duration: 0.001ms !important; + scroll-behavior: auto !important; + } +} + +/* ---------------------------- Simple home ---------------------------- */ + +.home-simple { + background: var(--bg); +} + +.simple-inner { + width: min(820px, 100%); +} + +.simple-top { + margin-bottom: 26px; +} + +.simple-main { + display: flex; + flex-direction: column; + gap: 14px; +} + +.open-file-card { + width: 100%; + display: flex; + align-items: center; + gap: 16px; + padding: 20px 22px; + border: 1px solid var(--line); + border-radius: 18px; + background: var(--panel); + text-align: left; + transition: border-color 0.18s, background 0.18s, transform 0.18s; +} + +.open-file-card:hover { + border-color: rgba(79, 140, 255, 0.48); + background: var(--accent-soft); +} + +.open-file-card:active { + transform: scale(0.995); +} + +.open-file-icon { + width: 52px; + height: 52px; + border-radius: 15px; + display: grid; + place-items: center; + flex: none; + color: #fff; + background: linear-gradient(135deg, #5b9bff, #2f6fe4); + box-shadow: 0 10px 22px rgba(47, 111, 228, 0.3); +} + +.open-file-text { + flex: 1; + min-width: 0; + display: flex; + flex-direction: column; + gap: 5px; +} + +.open-file-text strong { + font-size: 19px; + font-weight: 750; + letter-spacing: -0.3px; +} + +.open-file-text span { + font-size: 12.5px; + color: var(--muted); + white-space: nowrap; + overflow: hidden; + text-overflow: ellipsis; +} + +.open-file-arrow { + color: var(--faint); + display: flex; + flex: none; +} + +.sample-row { + display: flex; + align-items: center; + flex-wrap: wrap; + gap: 8px; + padding: 0 4px; + color: var(--faint); + font-size: 12px; +} + +.sample-row .text-link { + font-size: 12px; +} + +.simple-recent { + margin-top: 14px; +} + +.simple-recent-grid { + grid-template-columns: 1fr; +} + +.simple-footer { + display: flex; + align-items: center; + flex-wrap: wrap; + gap: 8px; + margin-top: 34px; + padding-top: 15px; + border-top: 1px solid var(--line); + color: var(--faint); + font-size: 11.5px; +} + +.simple-footer .text-link { + font-size: 11.5px; +} + +.guide-section { + margin-top: 16px; +} + +.guide-section h3 { + margin: 0 0 6px; + font-size: 13.5px; + font-weight: 700; +} + +.guide-list { + margin: 0; + padding-left: 18px; + color: var(--muted); + font-size: 12.5px; + line-height: 1.72; +} + +.guide-list li { + margin: 3px 0; +} + +.guide-text { + margin: 5px 0; + color: var(--muted); + font-size: 12.5px; + line-height: 1.7; +} + +.guide kbd { + display: inline-block; + padding: 0 5px; + border-radius: 4px; + border: 1px solid var(--line-strong); + background: var(--bg-2); + color: var(--text); + font-family: ui-monospace, SFMono-Regular, Consolas, monospace; + font-size: 11px; + line-height: 1.6; +} + +.guide-actions { + margin-top: 18px; +} + +@media (max-width: 720px) { + .simple-top { + margin-bottom: 18px; + } + + .open-file-card { + padding: 16px; + gap: 13px; + border-radius: 16px; + } + + .open-file-icon { + width: 46px; + height: 46px; + border-radius: 13px; + } + + .open-file-text strong { + font-size: 17px; + } + + .open-file-text span { + font-size: 11.5px; + } + + .simple-recent { + margin-top: 10px; + } + + .simple-footer { + margin-top: 24px; + } +} + +/* Home must fit one screen; only the recent list scrolls. */ +.home-simple { + height: 100%; + overflow: hidden; + display: flex; +} + +.home-simple .home-inner { + height: 100%; + min-height: 0; + display: flex; + flex-direction: column; +} + +.simple-top { + flex: none; + margin-bottom: 20px; +} + +.open-file-card { + flex: none; +} + +.simple-recent { + flex: 1; + min-height: 0; + display: flex; + flex-direction: column; + margin-top: 18px; +} + +.simple-recent .section-head { + flex: none; +} + +.simple-recent-grid { + flex: 1; + min-height: 0; + overflow-y: auto; + align-content: start; + padding-right: 4px; + overscroll-behavior: contain; +} + +.guide-btn { + display: inline-flex; + align-items: center; + gap: 7px; + height: 38px; + padding: 0 13px; + border-radius: 11px; + border: 1px solid var(--line); + background: var(--panel); + color: var(--muted); + font-size: 12.5px; + font-weight: 600; + flex: none; + transition: color 0.15s, border-color 0.15s, background 0.15s; +} + +.guide-btn:hover { + color: var(--text); + border-color: var(--line-strong); + background: var(--accent-soft); +} + +.guide-btn span { + display: flex; +} + +@media (max-width: 720px) { + .simple-top { + margin-bottom: 16px; + } + + .guide-btn { + height: 36px; + padding: 0 10px; + font-size: 12px; + } + + .simple-recent { + margin-top: 14px; + } +} + +.cad-canvas-wrap { + position: absolute; + inset: 0; + transform-origin: 50% 50%; + will-change: transform; +} + +.cad-overlay-canvas { + position: absolute; + inset: 0; + display: block; + pointer-events: none; +} diff --git a/src/ui/about.ts b/src/ui/about.ts new file mode 100644 index 0000000..5b5d1ca --- /dev/null +++ b/src/ui/about.ts @@ -0,0 +1,51 @@ +import { h } from '../core/dom' +import { openModal } from './modal' + +const VERSION = '0.4.1' + +export function showAbout(): void { + const body = h( + 'div', + { class: 'about' }, + h( + 'p', + { class: 'modal-text' }, + '万能看图是一个完全在本地运行的手机 / 平板图纸与文档浏览器。文件只在本机解析，不会上传到任何服务器。' + ), + h('h3', { text: '支持的格式' }), + h( + 'ul', + { class: 'about-list' }, + h('li', {}, h('strong', { text: 'DWG' }), ' — 模型空间 + 全部布局空间 / 视口、图层、块、文字、填充、样条、测量'), + h('li', {}, h('strong', { text: 'PDF / XPS / OXPS' }), ' — 连续翻页、大纲、全文搜索、缩放、旋转、反色'), + h('li', {}, h('strong', { text: 'EPUB / FB2' }), ' — 电子书阅读，自动重排'), + h('li', {}, h('strong', { text: 'CBZ' }), ' — 漫画压缩包'), + h('li', {}, h('strong', { text: 'PNG / JPEG / GIF / BMP' }), ' — 图片浏览') + ), + h('h3', { text: '安装为 App' }), + h( + 'p', + { class: 'modal-text' }, + '在浏览器菜单中选择“安装应用”或“添加到主屏幕”，即可像原生 App 一样全屏使用，并支持离线打开已缓存的引擎与示例。' + ), + h('h3', { text: '开源组件与许可' }), + h( + 'ul', + { class: 'about-list' }, + h('li', {}, 'DWG 解析：@node-projects/acad-ts — MIT'), + h('li', {}, '文档渲染：MuPDF.js（SumatraPDF 同源渲染内核家族）— AGPL-3.0'), + h('li', {}, '本应用以 AGPL-3.0 发布；完整许可文本见项目 LICENSE 文件。') + ), + h('p', { class: 'about-version', text: `万能看图 v${VERSION} · PWA · 本地解析` }) + ) + + const close = h('button', { class: 'btn btn-primary', type: 'button', text: '关闭' }) + const modal = openModal({ + title: '关于万能看图', + subtitle: '手机 / 平板上的 DWG 图纸 & 文档浏览器', + content: body, + actions: [close], + size: 'md' + }) + close.addEventListener('click', modal.close) +} diff --git a/src/ui/guide.ts b/src/ui/guide.ts new file mode 100644 index 0000000..3d9e77f --- /dev/null +++ b/src/ui/guide.ts @@ -0,0 +1,123 @@ +import { h } from '../core/dom' +import { openModal } from './modal' +import { showAbout } from './about' + +export function showGuide(): void { + const list = (...items: string[]) => + h('ul', { class: 'guide-list' }, ...items.map((text) => h('li', { text }))) + const section = (title: string, ...children: (Node | string)[]) => + h('section', { class: 'guide-section' }, h('h3', { text: title }), ...children) + + const body = h( + 'div', + { class: 'guide' }, + h( + 'p', + { class: 'modal-text' }, + '万能看图把 DWG 图纸浏览和文档阅读放在同一个本地 App 里。文件只在本机解析，不会上传到服务器。' + ), + section( + '支持格式', + list( + 'DWG：模型空间 + 全部布局空间、视口、图层、块、文字、标注、填充、样条、圆弧、椭圆等常见 2D 实体。', + 'PDF / EPUB / FB2 / XPS / OXPS / CBZ。', + 'PNG / JPEG / GIF / BMP 图片。' + ) + ), + section( + '打开文件', + list( + '点首页的“打开图纸”，或把文件拖进窗口（桌面端）。', + 'Android 上可以从文件管理器、QQ、微信等选择“用其他应用打开”，直接进入本 App。', + '支持格式：DWG、PDF、EPUB、FB2、XPS/OXPS、CBZ、PNG/JPEG/GIF/BMP。' + ) + ), + section( + 'DWG 图纸', + list( + '顶部 Tab 切换模型空间和各个布局空间。', + '右侧图层按钮：按图层显示/隐藏，支持全部显示、全部隐藏、恢复默认。', + '尺子按钮：点两点测量距离；清除按钮清空当前空间的测量线。', + '立方体按钮：显示/隐藏第三方代理对象，默认显示。', + '适配按钮：一键显示全图；背景按钮切换深色/浅色图纸背景。', + '保存按钮：把当前视图导出为 PNG。', + '布局空间会按纸张和视口显示，模型内容自动裁剪到视口内。' + ) + ), + section( + 'PDF / 文档', + list( + '连续翻页、页码跳转、缩放、旋转、反色阅读、适合宽度 / 适合页面。', + '目录按钮打开书签；搜索按钮全文查找并高亮结果。', + '加密 PDF 会提示输入密码。' + ) + ), + section( + '手势与快捷键', + h( + 'p', + { class: 'guide-text' }, + '单指拖动平移，双指缩放；双击放大。桌面端滚轮缩放，拖动平移。' + ), + h( + 'p', + { class: 'guide-text' }, + '快捷键：', + h('kbd', { text: '+' }), + ' / ', + h('kbd', { text: '-' }), + ' 缩放，', + h('kbd', { text: '0' }), + ' 适配全图，', + h('kbd', { text: 'M' }), + ' 测量，', + h('kbd', { text: 'L' }), + ' 图层，', + h('kbd', { text: 'F' }), + ' 全屏，', + h('kbd', { text: 'Esc' }), + ' 退出当前工具。' + ) + ), + section( + '安装与离线', + list( + 'Android：直接安装 APK；APK 已经把 DWG/PDF 引擎一起打包，离线可用。', + '浏览器 / PWA：在浏览器菜单中选择“安装应用”或“添加到主屏幕”。', + 'PWA 首次打开 DWG 或文档时会下载对应引擎，之后由缓存离线使用。', + '文件和最近记录都保存在本机；最近记录可在首页清空。' + ) + ), + section( + '性能与限制', + list( + '大图纸的解析时间和首次绘制时间取决于图纸复杂度与设备性能。', + 'DWG 的 3DSOLID、MULTILEADER、MLINE、OLE/代理对象等复杂实体可能不显示，解析结果会在状态栏提示不支持数量。', + '当前 DWG/PDF 引擎是本地 WASM 实现，不是原生桌面 CAD 内核。' + ) + ), + section( + '开源组件与许可', + list( + 'DWG 解析：LibreDWG / libredwg-web — GPL-3.0（WASM 初始内存已调整）。', + '文档渲染：MuPDF.js（SumatraPDF 同源渲染内核家族）— AGPL-3.0。', + '本应用以 AGPL-3.0 发布；完整许可文本见项目 LICENSE 文件。' + ) + ), + h( + 'div', + { class: 'guide-actions' }, + h('button', { class: 'text-link', type: 'button', text: '关于与完整许可', onclick: () => showAbout() }) + ) + ) + + const close = h('button', { class: 'btn btn-primary', type: 'button', text: '知道了' }) + const modal = openModal({ + title: '使用指南', + subtitle: '手机 / 平板上的 DWG 与文档浏览器', + content: body, + actions: [close], + size: 'lg' + }) + close.addEventListener('click', () => modal.close()) +} diff --git a/src/ui/modal.ts b/src/ui/modal.ts new file mode 100644 index 0000000..b887bbd --- /dev/null +++ b/src/ui/modal.ts @@ -0,0 +1,156 @@ +import { append, h, icon } from '../core/dom' + +export interface ModalOptions { + title: string + subtitle?: string + content: Node | string + actions?: Node[] + size?: 'sm' | 'md' | 'lg' + dismissible?: boolean + onClose?: () => void +} + +interface ModalHandle { + el: HTMLElement + close: () => void +} + +const stack: ModalHandle[] = [] +let escBound = false + +export function openModal(options: ModalOptions): ModalHandle { + const root = document.getElementById('modal-root') + if (!root) throw new Error('modal root missing') + const dismissible = options.dismissible !== false + const priorFocus = document.activeElement as HTMLElement | null + + const closeBtn = h('button', { + class: 'icon-btn modal-close', + type: 'button', + 'aria-label': '关闭', + html: icon('x', 20) + }) + + const contentEl = h('div', { class: 'modal-body' }) + append(contentEl, [options.content]) + const actionsEl = h('div', { class: 'modal-actions' }) + append(actionsEl, options.actions ?? []) + + const dialog = h( + 'div', + { + class: `modal modal-${options.size ?? 'md'}`, + role: 'dialog', + 'aria-modal': 'true', + 'aria-label': options.title + }, + h( + 'div', + { class: 'modal-head' }, + h( + 'div', + { class: 'modal-titles' }, + h('h2', { class: 'modal-title', text: options.title }), + options.subtitle ? h('p', { class: 'modal-subtitle', text: options.subtitle }) : null + ), + dismissible ? closeBtn : null + ), + contentEl, + actionsEl.childNodes.length ? actionsEl : null + ) + + const backdrop = h('div', { class: 'modal-backdrop' }, dialog) + root.appendChild(backdrop) + requestAnimationFrame(() => backdrop.classList.add('show')) + + let closed = false + const close = () => { + if (closed) return + closed = true + const idx = stack.findIndex((m) => m.el === backdrop) + if (idx >= 0) stack.splice(idx, 1) + backdrop.classList.remove('show') + window.setTimeout(() => { + backdrop.remove() + options.onClose?.() + if (priorFocus && document.contains(priorFocus)) priorFocus.focus({ preventScroll: true }) + }, 180) + } + + closeBtn.addEventListener('click', close) + backdrop.addEventListener('click', (ev) => { + if (dismissible && ev.target === backdrop) close() + }) + + bindEscape() + stack.push({ el: backdrop, close }) + + window.setTimeout(() => { + const focusable = dialog.querySelector( + 'button, [href], input, select, textarea, [tabindex]:not([tabindex="-1"])' + ) + focusable?.focus({ preventScroll: true }) + }, 20) + + const handle: ModalHandle = { el: backdrop, close } + ;(backdrop as HTMLElement & { __modal?: ModalHandle }).__modal = handle + return handle +} + +function bindEscape(): void { + if (escBound) return + escBound = true + document.addEventListener('keydown', (ev) => { + if (ev.key !== 'Escape') return + const top = stack[stack.length - 1] + if (top) { + ev.stopPropagation() + top.close() + } + }) +} + +export function confirmDialog( + title: string, + message: string, + confirmText = '确定', + opts: { danger?: boolean; cancelText?: string } = {} +): Promise { + return new Promise((resolve) => { + let decided = false + const finish = (value: boolean) => { + if (decided) return + decided = true + resolve(value) + modal.close() + } + const cancel = h('button', { class: 'btn btn-ghost', type: 'button', text: opts.cancelText ?? '取消' }) + cancel.addEventListener('click', () => finish(false)) + const confirm = h('button', { + class: `btn ${opts.danger ? 'btn-danger' : 'btn-primary'}`, + type: 'button', + text: confirmText + }) + confirm.addEventListener('click', () => finish(true)) + const modal = openModal({ + title, + content: h('p', { class: 'modal-text', text: message }), + actions: [cancel, confirm], + size: 'sm', + onClose: () => { + if (!decided) { + decided = true + resolve(false) + } + } + }) + }) +} + +export function modalMessage(title: string, message: string, details?: string): void { + const body = h('div', {}, h('p', { class: 'modal-text', text: message })) + if (details) body.appendChild(h('pre', { class: 'modal-details', text: details })) + const ok = h('button', { class: 'btn btn-primary', type: 'button', text: '知道了' }) + const modal = openModal({ title, content: body, actions: [ok], size: 'sm' }) + ok.addEventListener('click', modal.close) +} diff --git a/tsconfig.json b/tsconfig.json new file mode 100644 index 0000000..42d82c7 --- /dev/null +++ b/tsconfig.json @@ -0,0 +1,21 @@ +{ + "compilerOptions": { + "target": "ES2022", + "useDefineForClassFields": true, + "module": "ESNext", + "lib": ["ES2022", "DOM", "DOM.Iterable"], + "skipLibCheck": true, + "moduleResolution": "bundler", + "allowImportingTsExtensions": false, + "resolveJsonModule": true, + "isolatedModules": true, + "moduleDetection": "force", + "noEmit": true, + "strict": true, + "noUnusedLocals": false, + "noUnusedParameters": false, + "noFallthroughCasesInSwitch": true, + "types": ["vite/client", "vite-plugin-pwa/client"] + }, + "include": ["src", "vite.config.ts"] +} diff --git a/vite.config.ts b/vite.config.ts new file mode 100644 index 0000000..1388abb --- /dev/null +++ b/vite.config.ts @@ -0,0 +1,85 @@ +import { defineConfig } from 'vite' +import { VitePWA } from 'vite-plugin-pwa' + +export default defineConfig({ + base: './', + build: { + target: 'es2020', + chunkSizeWarningLimit: 4000 + }, + optimizeDeps: { + exclude: ['mupdf'] + }, + plugins: [ + VitePWA({ + registerType: 'autoUpdate', + injectRegister: false, + includeAssets: ['icons/favicon.svg', 'icons/apple-touch-icon.png'], + manifest: { + name: '万能看图 · DWG/PDF 浏览', + short_name: '涓囪兘鐪嬪浘', + description: + '手机与平板上的 DWG 图纸浏览器，支持模型空间与布局空间、图层控制、测量，以及 PDF / EPUB / XPS / CBZ / 图片阅读。', + lang: 'zh-CN', + dir: 'ltr', + start_url: './', + scope: './', + display: 'standalone', + display_override: ['window-controls-overlay', 'standalone', 'minimal-ui'], + orientation: 'any', + background_color: '#0b0e14', + theme_color: '#0b0e14', + categories: ['productivity', 'utilities', 'graphics'], + icons: [ + { src: 'icons/icon-192.png', sizes: '192x192', type: 'image/png', purpose: 'any' }, + { src: 'icons/icon-512.png', sizes: '512x512', type: 'image/png', purpose: 'any' }, + { src: 'icons/icon-maskable-512.png', sizes: '512x512', type: 'image/png', purpose: 'maskable' } + ], + file_handlers: [ + { + action: './', + accept: { + 'application/pdf': ['.pdf'], + 'image/vnd.dwg': ['.dwg'], + 'application/acad': ['.dwg'], + 'application/epub+zip': ['.epub'], + 'application/vnd.ms-xpsdocument': ['.xps'], + 'application/oxps': ['.oxps'], + 'application/vnd.comicbook+zip': ['.cbz'], + 'image/png': ['.png'], + 'image/jpeg': ['.jpg', '.jpeg'], + 'image/gif': ['.gif'], + 'image/bmp': ['.bmp'] + } + } + ] + }, + workbox: { + globPatterns: ['**/*.{js,css,html,svg,png,ico,woff2}'], + globIgnores: ['**/vendor/**', '**/samples/**'], + maximumFileSizeToCacheInBytes: 4 * 1024 * 1024, + navigateFallback: 'index.html', + cleanupOutdatedCaches: true, + runtimeCaching: [ + { + urlPattern: /\/vendor\/(?:libredwg|mupdf)\//, + handler: 'CacheFirst', + options: { + cacheName: 'viewer-engines-v1', + expiration: { maxEntries: 12, maxAgeSeconds: 60 * 60 * 24 * 365 } + } + }, + { + urlPattern: /\/samples\//, + handler: 'CacheFirst', + options: { + cacheName: 'viewer-samples-v1', + expiration: { maxEntries: 12, maxAgeSeconds: 60 * 60 * 24 * 365 } + } + } + ] + } + }) + ] +}) +