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import FIREFOX_52_6_0esr_RELEASE from mozilla-esr52 hg repo
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layout/reftests/canvas/1304353-text-global-alpha-1-ref.html
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layout/reftests/canvas/1304353-text-global-alpha-1-ref.html
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<!DOCTYPE html>
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<html>
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<head>
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<meta charset="UTF-8">
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<script>
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function do_test() {
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var canvas = document.getElementById("test");
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var ctx = canvas.getContext("2d");
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var g = ctx.createLinearGradient(0, 0, canvas.width, canvas.height);
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g.addColorStop(0, "red");
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g.addColorStop(1, "green");
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ctx.fillStyle = g;
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ctx.fillRect(0, 0, canvas.width, canvas.height);
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ctx.fillStyle = "white";
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ctx.font = "bold 24px sans-serif";
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ctx.fillText('globalAlpha = 1.0', 20, 40);
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// for reference, use a fill color with alpha instead of global alpha
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ctx.fillStyle = "rgba(255, 255, 255, 0.5)";
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ctx.fillText('globalAlpha = 0.5', 20, 80);
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ctx.fillStyle = "rgba(255, 255, 255, 0.2)";
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ctx.fillText('globalAlpha = 0.2', 20, 120);
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};
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</script>
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</head>
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<body onload="do_test()">
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<canvas id="test"></canvas>
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</body>
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</html>
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