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<!DOCTYPE html>
<title>Canvas test: 2d.composite.globalAlpha.imagepattern</title>
<meta name="author" content="Philip Taylor">
<script src="../common/canvas-tests.js"></script>
<link rel="stylesheet" href="../common/canvas-tests.css">
<body class="show_output">
<h1><a href="index.2d.html">2d</a>.<a href="index.2d.composite.html">composite</a>.<a href="index.2d.composite.globalAlpha.html">globalAlpha</a>.imagepattern</h1>
<p class="desc"></p>
<div class="refs">Spec references:
<ul>
<li><a href="../annotated-spec/canvas.html#testrefs.2d.composite.globalAlpha.image">2d.composite.globalAlpha.image</a>
</ul>
</div>
<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="../resources/green-100x50.png" class="output expected" id="expected" alt="">
<ul id="d"></ul>
<script>
_addTest(function(canvas, ctx) {
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
ctx.fillStyle = ctx.createPattern(document.getElementById('red.png'), 'no-repeat');
ctx.globalAlpha = 0.01; // avoid any potential alpha=0 optimisations
ctx.fillRect(0, 0, 100, 50);
_assertPixelApprox(canvas, 50,25, 2,253,0,255, "50,25", "2,253,0,255", 2);
});
</script>
<img src="../resources/red.png" id="red.png" class="resource">