зеркало из https://github.com/mozilla/gecko-dev.git
89 строки
2.3 KiB
HTML
89 строки
2.3 KiB
HTML
<!DOCTYPE HTML>
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<title>Canvas test: 2d.line.join.bevel</title>
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<!-- Testing: lineJoin 'bevel' is rendered correctly -->
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<script src="/MochiKit/MochiKit.js"></script>
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<script src="/tests/SimpleTest/SimpleTest.js"></script>
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<link rel="stylesheet" href="/tests/SimpleTest/test.css">
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<body>
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<canvas id="c" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
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<script>
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function isPixel(ctx, x,y, r,g,b,a, pos, colour, d) {
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var pixel = ctx.getImageData(x, y, 1, 1);
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var pr = pixel.data[0],
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pg = pixel.data[1],
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pb = pixel.data[2],
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pa = pixel.data[3];
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ok(r-d <= pr && pr <= r+d &&
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g-d <= pg && pg <= g+d &&
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b-d <= pb && pb <= b+d &&
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a-d <= pa && pa <= a+d,
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"pixel "+pos+" is "+pr+","+pg+","+pb+","+pa+"; expected "+colour+" +/- "+d);
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}
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SimpleTest.waitForExplicitFinish();
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MochiKit.DOM.addLoadEvent(function () {
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var canvas = document.getElementById('c');
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var ctx = canvas.getContext('2d');
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ctx.fillStyle = '#0f0';
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ctx.fillRect(0, 0, 100, 50);
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var tol = 1; // tolerance to avoid antialiasing artifacts
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ctx.lineJoin = 'bevel';
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ctx.lineWidth = 20;
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ctx.fillStyle = '#f00';
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ctx.strokeStyle = '#0f0';
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ctx.fillRect(10, 10, 20, 20);
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ctx.fillRect(20, 20, 20, 20);
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ctx.beginPath();
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ctx.moveTo(30, 20);
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ctx.lineTo(40-tol, 20);
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ctx.lineTo(30, 10+tol);
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ctx.fill();
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ctx.beginPath();
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ctx.moveTo(10, 20);
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ctx.lineTo(30, 20);
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ctx.lineTo(30, 40);
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ctx.stroke();
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ctx.fillStyle = '#0f0';
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ctx.strokeStyle = '#f00';
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ctx.beginPath();
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ctx.moveTo(60, 20);
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ctx.lineTo(80, 20);
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ctx.lineTo(80, 40);
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ctx.stroke();
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ctx.fillRect(60, 10, 20, 20);
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ctx.fillRect(70, 20, 20, 20);
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ctx.beginPath();
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ctx.moveTo(80, 20);
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ctx.lineTo(90+tol, 20);
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ctx.lineTo(80, 10-tol);
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ctx.fill();
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isPixel(ctx, 34,16, 0,255,0,255, "34,16", "0,255,0,255", 0);
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isPixel(ctx, 34,15, 0,255,0,255, "34,15", "0,255,0,255", 0);
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isPixel(ctx, 35,15, 0,255,0,255, "35,15", "0,255,0,255", 0);
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isPixel(ctx, 36,15, 0,255,0,255, "36,15", "0,255,0,255", 0);
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isPixel(ctx, 36,14, 0,255,0,255, "36,14", "0,255,0,255", 0);
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isPixel(ctx, 84,16, 0,255,0,255, "84,16", "0,255,0,255", 0);
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isPixel(ctx, 84,15, 0,255,0,255, "84,15", "0,255,0,255", 0);
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isPixel(ctx, 85,15, 0,255,0,255, "85,15", "0,255,0,255", 0);
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isPixel(ctx, 86,15, 0,255,0,255, "86,15", "0,255,0,255", 0);
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isPixel(ctx, 86,14, 0,255,0,255, "86,14", "0,255,0,255", 0);
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SimpleTest.finish();
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});
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</script>
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