Revision 19da322e27da94c7193776ce3e49f060a8784710 authored by Brian Smith on 29 September 2012, 03:25:32 UTC, committed by Brian Smith on 29 September 2012, 03:25:32 UTC
--HG-- extra : rebase_source : e68c2137da41c7740c488341702061444bac4d77
1 parent 6eca82e
test_2d.composite.solid.xor.html
<!DOCTYPE HTML>
<title>Canvas test: 2d.composite.solid.xor</title>
<script src="/MochiKit/MochiKit.js"></script>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css">
<body>
<canvas id="c" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
<script>
function isPixel(ctx, x,y, r,g,b,a, pos, colour, d) {
var pixel = ctx.getImageData(x, y, 1, 1);
var pr = pixel.data[0],
pg = pixel.data[1],
pb = pixel.data[2],
pa = pixel.data[3];
ok(r-d <= pr && pr <= r+d &&
g-d <= pg && pg <= g+d &&
b-d <= pb && pb <= b+d &&
a-d <= pa && pa <= a+d,
"pixel "+pos+" is "+pr+","+pg+","+pb+","+pa+"; expected "+colour+" +/- "+d);
}
SimpleTest.waitForExplicitFinish();
addLoadEvent(function () {
var canvas = document.getElementById('c');
var ctx = canvas.getContext('2d');
ctx.fillStyle = 'rgba(0, 255, 255, 1.0)';
ctx.fillRect(0, 0, 100, 50);
ctx.globalCompositeOperation = 'xor';
ctx.fillStyle = 'rgba(255, 255, 0, 1.0)';
ctx.fillRect(0, 0, 100, 50);
isPixel(ctx, 50,25, 0,0,0,0, "50,25", "0,0,0,0", 5);
SimpleTest.finish();
});
</script>
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