tune.
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<!DOCTYPE html>
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<html lang="zh-TW">
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<head>
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<meta charset="UTF-8">
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<meta name="viewport" content="width=device-width, initial-scale=1.0">
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<title>Pure JavaScript RenderingCanvas Demo</title>
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<script src="https://cdn.jsdelivr.net/npm/@microsoft/signalr@latest/dist/browser/signalr.min.js"></script>
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<style>
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body {
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margin: 0;
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padding: 20px;
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font-family: Arial, sans-serif;
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background-color: #f0f0f0;
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}
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.container {
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max-width: 1200px;
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margin: 0 auto;
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background-color: white;
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border-radius: 8px;
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box-shadow: 0 2px 10px rgba(0,0,0,0.1);
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padding: 20px;
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}
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h1 {
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color: #333;
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text-align: center;
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}
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.info-box {
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padding: 10px;
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background-color: #e3f2fd;
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color: #1565c0;
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border: 1px solid #90caf9;
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border-radius: 4px;
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margin: 10px 0;
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}
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.controls {
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margin: 20px 0;
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display: flex;
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gap: 10px;
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flex-wrap: wrap;
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}
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.controls button {
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padding: 10px 20px;
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border: none;
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border-radius: 4px;
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background-color: #2196F3;
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color: white;
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cursor: pointer;
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font-size: 14px;
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}
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.controls button:hover {
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background-color: #1976D2;
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}
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#canvas-container {
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height: 600px;
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border: 1px solid #ddd;
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margin: 20px 0;
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position: relative;
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}
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.status {
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padding: 10px;
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margin: 10px 0;
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border-radius: 4px;
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background-color: #f5f5f5;
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}
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.status.connected {
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background-color: #c8e6c9;
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color: #2e7d32;
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}
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.status.error {
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background-color: #ffcdd2;
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color: #c62828;
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}
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</style>
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</head>
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<body>
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<div class="container">
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<h1>Pure JavaScript RenderingCanvas Demo</h1>
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<div class="info-box">
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<strong>使用說明：</strong>
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<br>這是使用純 JavaScript 類的 RenderingCanvas 示例
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<br><strong>滑鼠：</strong>左鍵拖動旋轉，右鍵拖動平移，滾輪縮放
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<br><strong>鍵盤：</strong>F1-F4切換視圖，方向鍵旋轉，PageUp/PageDown縮放，Home重置視圖
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<br><strong>觸控：</strong>單指拖動平移，雙指捏合縮放，雙指旋轉，三指上下滑動縮放
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</div>
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<div id="status" class="status">
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連接狀態：未連接
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</div>
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<div class="controls">
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<button onclick="setView('front')">前視圖</button>
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<button onclick="setView('back')">後視圖</button>
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<button onclick="setView('left')">左視圖</button>
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<button onclick="setView('right')">右視圖</button>
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<button onclick="setView('top')">頂視圖</button>
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<button onclick="setView('bottom')">底視圖</button>
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<button onclick="setView('isometric')">等角視圖</button>
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<button onclick="setView('home')">主視圖</button>
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</div>
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<div id="canvas-container"></div>
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</div>
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<script src="/_content/hi.webapi/disp/rendering-canvas.js"></script>
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<script>
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let renderingCanvas = null;
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// Initialize when page loads
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window.addEventListener('load', () => {
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// Create RenderingCanvas instance
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renderingCanvas = new RenderingCanvas('canvas-container', {
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autoConnect: true,
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width: 800,
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height: 600
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});
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// Set up event handlers
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renderingCanvas.on('connected', () => {
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updateStatus('已連接到服務器', 'connected');
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});
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renderingCanvas.on('disconnected', () => {
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updateStatus('連接已斷開', '');
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});
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renderingCanvas.on('serverInitialized', (sessionId) => {
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console.log('Server initialized with session:', sessionId);
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loadTestObjects(sessionId);
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});
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renderingCanvas.on('error', (error) => {
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updateStatus(`錯誤：${error}`, 'error');
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console.error('RenderingCanvas error:', error);
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});
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renderingCanvas.on('viewChanged', (viewType) => {
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console.log('View changed to:', viewType);
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});
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});
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// Clean up when page unloads
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window.addEventListener('beforeunload', () => {
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if (renderingCanvas) {
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renderingCanvas.destroy();
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}
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});
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// Helper functions
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function updateStatus(message, className) {
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const statusEl = document.getElementById('status');
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statusEl.textContent = `連接狀態：${message}`;
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statusEl.className = 'status ' + className;
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}
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function setView(viewType) {
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if (renderingCanvas) {
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renderingCanvas.setView(viewType);
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}
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}
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async function loadTestObjects(sessionId) {
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try {
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const response = await fetch(`/api/rendering/test-objects/${sessionId}`, {
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method: 'POST',
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headers: {
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'Content-Type': 'application/json'
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}
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});
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if (response.ok) {
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console.log('Test objects loaded successfully');
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} else {
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const errorText = await response.text();
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console.error(`Failed to load test objects: ${response.status} - ${errorText}`);
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}
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} catch (err) {
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console.error(`Error loading test objects: ${err}`);
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}
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}
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</script>
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</body>
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</html>
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