draw-call/examples/demo.html at main · codehz/draw-call · GitHub

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<!doctype html>
<html lang="zh">
  <head>
    <meta charset="UTF-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1.0" />
    <title>draw-call 演示</title>
    <style>
      * {
        margin: 0;
        padding: 0;
        box-sizing: border-box;
      }

      body {
        font-family:
          -apple-system, BlinkMacSystemFont, "Segoe UI", Roboto, "Helvetica Neue", Arial, "Noto Sans", sans-serif,
          "Apple Color Emoji", "Segoe UI Emoji", "Segoe UI Symbol", "Noto Color Emoji";
        background: linear-gradient(135deg, #667eea 0%, #764ba2 100%);
        min-height: 100vh;
        display: flex;
        align-items: center;
        justify-content: center;
        padding: 20px;
      }

      .container {
        background: white;
        border-radius: 16px;
        box-shadow: 0 20px 60px rgba(0, 0, 0, 0.3);
        padding: 40px;
        max-width: 860px;
        width: 100%;
      }

      h1 {
        margin-bottom: 10px;
        color: #333;
        font-size: 28px;
      }

      .subtitle {
        color: #666;
        margin-bottom: 30px;
        font-size: 14px;
      }

      .canvas-wrapper {
        background: #f9f9f9;
        border-radius: 12px;
        padding: 20px;
        border: 1px solid #e0e0e0;
        display: flex;
        justify-content: center;
        align-items: center;
        margin-bottom: 30px;
        min-height: 420px;
      }

      canvas {
        max-width: 100%;
        height: auto;
        border-radius: 8px;
        box-shadow: 0 4px 12px rgba(0, 0, 0, 0.1);
      }

      .features {
        display: grid;
        grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
        gap: 15px;
        margin-top: 30px;
      }

      .feature-item {
        background: #f5f5f5;
        padding: 12px;
        border-radius: 8px;
        font-size: 12px;
        color: #666;
        border-left: 3px solid #667eea;
      }

      .feature-item strong {
        color: #333;
      }

      .loading {
        text-align: center;
        color: #999;
        font-size: 14px;
      }
    </style>
  </head>
  <body>
    <div class="container">
      <h1>🎨 draw-call 演示</h1>
      <p class="subtitle">使用声明式 Canvas 绘图库展示现代 UI 绘制能力</p>

      <div class="canvas-wrapper">
        <canvas id="canvas"></canvas>
      </div>

      <div class="features">
        <div class="feature-item"><strong>📐 Flexbox 布局</strong><br />支持现代化布局引擎</div>
        <div class="feature-item"><strong>🎨 丰富样式</strong><br />背景、边框、阴影、渐变等</div>
        <div class="feature-item"><strong>📝 文本排版</strong><br />支持换行、对齐、字体自定义</div>
        <div class="feature-item"><strong>🎯 声明式 API</strong><br />类似 React 的组件化方式</div>
        <div class="feature-item"><strong>✨ 高清显示</strong><br />支持高 DPI 设备自适应</div>
        <div class="feature-item"><strong>🚀 TypeScript</strong><br />完整的类型支持和开发体验</div>
      </div>
    </div>

    <script src="demo.ts"></script>
  </body>
</html>