30 lines
1004 B
HTML
30 lines
1004 B
HTML
<html>
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<head></head>
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<body>
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There should be a green square, followed by 6 squares of shades of green from white to full green.<br>
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<canvas id="canvas" width="700" height="100" ></canvas>
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<script>
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if (window.testRunner)
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testRunner.dumpAsText(true);
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var canvas = document.getElementById("canvas");
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var context = canvas.getContext("2d");
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context.fillStyle = 'green';
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context.fillRect(0,0,100,100);
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var context2 = canvas.getContext("2d");
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context2.globalAlpha = 0.0;
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context2.drawImage(canvas, 0, 0, 100, 100, 100, 0, 100, 100);
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context2.globalAlpha = 0.2;
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context2.drawImage(canvas, 0, 0, 100, 100, 200, 0, 100, 100);
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context2.globalAlpha = 0.4;
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context2.drawImage(canvas, 0, 0, 100, 100, 300, 0, 100, 100);
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context2.globalAlpha = 0.6;
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context2.drawImage(canvas, 0, 0, 100, 100, 400, 0, 100, 100);
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context2.globalAlpha = 0.8;
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context2.drawImage(canvas, 0, 0, 100, 100, 500, 0, 100, 100);
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context2.globalAlpha = 1.0;
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context2.drawImage(canvas, 0, 0, 100, 100, 600, 0, 100, 100);
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</script>
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</body>
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</html>
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