<!DOCTYPE html>
<html>
  <head>
    <meta charset="utf-8">
    <title>CSS Masking: mask-origin: mask positioning area</title>
    <link rel="author" title="CJ Ku" href="mailto:cku@mozilla.com">
    <link rel="author" title="Mozilla" href="https://www.mozilla.org">
    <link rel="help" href="https://www.w3.org/TR/css-masking-1/#the-mask-origin">
    <link rel="match" href="mask-origin-3-ref.html">
    <meta name="assert" content="Test checks whether setting mask position area works correctly or not.">
    <style type="text/css">
      svg {
        position: absolute;
        top: 10px;
        border: 1px solid black;
      }
      rect.mask {
        fill: blue;
        mask-origin: fill-box;
        mask-clip: fill-box;
        mask-repeat: no-repeat;
        mask-image: url(support/50x50-opaque-blue.svg);
      }

      rect.view {
        mask-origin: view-box;
        mask-clip: view-box;
      }

      rect.fill {
        mask-origin: fill-box;
        mask-clip: stroke-box;
      }

      rect.stroke {
        mask-origin: stroke-box;
        mask-clip: stroke-box;
      }
    </style>
  </head>
  <body>
    <svg width="200" height="200" viewBox="100 100 100 100" preserveAspectRatio="none" style="left: 10px;">
      <rect class="view mask" x="125" y="125" width="100" height="100"/>
    </svg>
    <svg width="200" height="200" style="left: 240px;">
      <rect class="fill mask" x="50" y="50" width="80" height="80" stroke="green" stroke-width="20"/>
    </svg>
    <svg width="200" height="200" style="left: 10px; top: 220px;">
      <rect class="stroke mask" x="70" y="50" width="80" height="80" stroke="green" stroke-width="20"/>
    </svg>
  </body>
</html>
