content-dpr/content-dpr-various-elements.html

<html>
  <head>
    <title>Content-DPR: various elements</title>
    <link rel="author" title="Noam Rosenthal" href="noam@webkit.org">
    <link rel="match" href="content-dpr-various-elements-ref.html" />
    <meta name="assert" content="Assert that content-dpr is taken into account for images in all relevant elements (input/canvas/svg/video-poster)">
    <style>
      .row {
        display: flex;
      }

      .row > * {
        object-fit: none;
        object-position: top left;
        margin: 5px;
        width: 100px;
        height: 100px;
        background: yellow;
      }
    </style>
    <script>
    document.addEventListener("DOMContentLoaded", () => {
        const canvas = document.getElementById('canvas')
        const image = new Image()
        image.onload = () => {
          const ctx = canvas.getContext('2d')
          ctx.drawImage(image, 0, 0)
        }
        image.src = "resources/dpr.py?name=square.png&mimeType=image/png&dpr=2&cacheKiller=canvas"
    });
    </script>
  </head>
  <body>
    <p>There following green boxes should all be 50px by 50px (cover 25% of the yellow boxes)</p>
    <div class="row">
      <div>
        <img src="resources/square.png" width="50" height="50" />
      </div>
      <video poster="resources/dpr.py?name=square.png&mimeType=image/png&dpr=2&cacheKiller=2"></video>
      <svg xmlns="http://www.w3.org/2000/svg" ><image href="resources/dpr.py?name=square.png&mimeType=image/png&dpr=2&cacheKiller=3" /></svg>
      <div>
        <input type="image" src="resources/dpr.py?name=square.png&mimeType=image/png&dpr=2&cacheKiller=4" />
      </div>
      <canvas id="canvas" width="100" height="100">
    </div>
  </body>
</html>