35 lines
1.2 KiB
HTML
35 lines
1.2 KiB
HTML
<!DOCTYPE HTML>
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<!-- Test based on that found at
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http://philip.html5.org/tests/canvas/suite/tests/index.2d.transformation.transform.html
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-->
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<title>Canvas test: 2d.transformation.transform.skewed</title>
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<canvas id="canvas" class="output" width="100" height="100"><p class="fallback">FAIL (fallback content)</p></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 ctx = document.getElementById("canvas").getContext("2d");
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// Create green with a red square ring inside it
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ctx.fillStyle = '#0f0';
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ctx.fillRect(0, 0, 100, 100);
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ctx.fillStyle = '#f00';
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ctx.fillRect(20, 10, 60, 30);
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ctx.fillStyle = '#0f0';
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ctx.fillRect(40, 20, 20, 10);
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// Draw a skewed shape to fill that gap, to make sure it is aligned correctly
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ctx.transform(1,4, 2,3, 5,6);
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// Post-transform coordinates:
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// [[20,10],[80,10],[80,40],[20,40],[20,10],[40,20],[40,30],[60,30],[60,20],[40,20],[20,10]];
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// Hence pre-transform coordinates:
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var pts=[[-7.4,11.2],[-43.4,59.2],[-31.4,53.2],[4.6,5.2],[-7.4,11.2],
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[-15.4,25.2],[-11.4,23.2],[-23.4,39.2],[-27.4,41.2],[-15.4,25.2],
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[-7.4,11.2]];
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ctx.beginPath();
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ctx.moveTo(pts[0][0], pts[0][1]);
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for (var i = 0; i < pts.length; ++i)
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ctx.lineTo(pts[i][0], pts[i][1]);
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ctx.fill();
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</script>
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