2d.shadow.pattern.alpha.html

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This WPT test may be referenced by the following Test IDs:
- /html/canvas/element/shadows/2d.shadow.pattern.alpha.html - WPT Dashboard Interop Dashboard

<!DOCTYPE html>

<!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. -->

<title>Canvas test: 2d.shadow.pattern.alpha</title>

<script src="/resources/testharness.js"></script>

<script src="/resources/testharnessreport.js"></script>

<script src="/html/canvas/resources/canvas-tests.js"></script>

<link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css">

<body class="show_output">

<h1>2d.shadow.pattern.alpha</h1>

<p class="desc">Shadows are drawn correctly for partially-transparent fill patterns</p>

<p class="output">Actual output:</p>

<canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>

<p class="output expectedtext">Expected output:<p><img src="2d.shadow.pattern.alpha.png" class="output expected" id="expected" alt="">

<ul id="d"></ul>

<script>

var t = async_test("Shadows are drawn correctly for partially-transparent fill patterns");

_addTest(function(canvas, ctx) {

  var img = document.getElementById('transparent50.png');

  var pattern = ctx.createPattern(img, 'repeat');

  ctx.fillStyle = '#f00';

  ctx.fillRect(0, 0, 100, 50);

  ctx.shadowOffsetY = 50;

  ctx.shadowColor = '#00f';

  ctx.fillStyle = pattern;

  ctx.fillRect(0, -50, 100, 50);

  _assertPixelApprox(canvas, 50,25, 127,0,127,255, 2);

});

</script>

<img src="/images/transparent50.png" id="transparent50.png" class="resource">