Add SVGA animation preview support

2025-09-26 03:58:36 +00:00 · 2025-07-05 06:46:52 +08:00
parent 3858e142e2
commit eecb56db14
6 changed files with 125 additions and 31 deletions
--- a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Resources/svga2html.html
+++ b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Resources/svga2html.html
@@ -0,0 +1,24 @@
+<!DOCTYPE html>
+<html>
+<head>
+    <meta charset="UTF-8">
+    <meta name="viewport" content="width=device-width, initial-scale=1.0">
+    <title>SVGA Preview</title>
+    <style>
+        html, body {
+            width: 100%;
+            height: 100%;
+            display: flex;
+            justify-content: center;
+            align-items: center;
+            overflow: hidden;
+            color: #fff;
+        }
+    </style>
+</head>
+<body>
+    <canvas id="canvas"></canvas>
+    <script src="https://unpkg.com/svga/dist/index.min.js"></script> 
+    <script src="svga2html.js"></script>
+</body>
+</html>
--- a/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Resources/svga2html.js
+++ b/QuickLook.Plugin/QuickLook.Plugin.ImageViewer/Resources/svga2html.js
@@ -0,0 +1,39 @@
+/**
+ * SvgaViewer: Provides SVGA animation preview with the following features.
+ * 
+ * Requirements:
+ * - Requires the following HTML structure:
+ *   <canvas id="canvas">
+ *   </canvas>
+ * - SVGA file path is obtained via chrome.webview.hostObjects.external.GetPath()
+ * 
+ * Features:
+ * - Loads and plays SVGA animation files
+ * - Uses SVGA.js library for parsing and playback
+ * - Automatically starts playback after loading
+ * - Handles asynchronous loading and mounting of SVGA files 
+*/
+class SvgaViewer {
+    constructor() {
+    }
+
+    /**
+     * Play SVGA file.
+     * @async
+     */
+    async play() {
+        const path = await chrome.webview.hostObjects.external.GetPath();
+        const parser = new SVGA.Parser();
+
+        // Because the path is a local file, we need to convert it to a URL format
+        parser.load('https://' + path).then(svga => {
+            const player = new SVGA.Player(document.getElementById('canvas'));
+            player.mount(svga).then(() => {
+                player.start();
+            });
+        });
+    }
+}
+
+// Create the SVGA viewer and play
+new SvgaViewer().play();