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80 lines
2.6 KiB
HTML
80 lines
2.6 KiB
HTML
<!DOCTYPE HTML>
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<title>Canvas test: 2d.path.arcTo.shape.curve2</title>
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<!-- Testing: arcTo() curves in the right kind of shape -->
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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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function todo_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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todo(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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var tol = 1.5; // tolerance to avoid antialiasing artifacts
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ctx.fillStyle = '#0f0';
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ctx.fillRect(0, 0, 100, 50);
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ctx.fillStyle = '#f00';
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ctx.beginPath();
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ctx.rect(10, 20, 45, 10);
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ctx.moveTo(80, 45);
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ctx.arc(55, 45, 25-tol, 0, -Math.PI/2, true);
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ctx.arc(55, 45, 15+tol, -Math.PI/2, 0, false);
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ctx.fill();
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ctx.strokeStyle = '#0f0';
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ctx.lineWidth = 10;
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ctx.beginPath();
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ctx.moveTo(10, 25);
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ctx.arcTo(75, 25, 75, 60, 20);
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ctx.stroke();
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todo_isPixel(ctx, 50,25, 0,255,0,255, "50,25", "0,255,0,255", 0);
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isPixel(ctx, 55,19, 0,255,0,255, "55,19", "0,255,0,255", 0);
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isPixel(ctx, 55,20, 0,255,0,255, "55,20", "0,255,0,255", 0);
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todo_isPixel(ctx, 55,21, 0,255,0,255, "55,21", "0,255,0,255", 0);
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isPixel(ctx, 64,22, 0,255,0,255, "64,22", "0,255,0,255", 0);
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isPixel(ctx, 65,21, 0,255,0,255, "65,21", "0,255,0,255", 0);
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todo_isPixel(ctx, 72,28, 0,255,0,255, "72,28", "0,255,0,255", 0);
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isPixel(ctx, 73,27, 0,255,0,255, "73,27", "0,255,0,255", 0);
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isPixel(ctx, 78,36, 0,255,0,255, "78,36", "0,255,0,255", 0);
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isPixel(ctx, 79,35, 0,255,0,255, "79,35", "0,255,0,255", 0);
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isPixel(ctx, 80,44, 0,255,0,255, "80,44", "0,255,0,255", 0);
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isPixel(ctx, 80,45, 0,255,0,255, "80,45", "0,255,0,255", 0);
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isPixel(ctx, 80,46, 0,255,0,255, "80,46", "0,255,0,255", 0);
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SimpleTest.finish();
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});
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</script>
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