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Test Info:

<!DOCTYPE HTML>↩
<title>Canvas test: 2d.composite.solid.lighter</title>↩
<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 = 'screen';↩
ctx.fillStyle = 'rgba(255, 255, 0, 1.0)';↩
ctx.fillRect(0, 0, 100, 50);↩
isPixel(ctx, 50,25, 255,255,255,255, "50,25", "255,255,255,255", 5);↩
SimpleTest.finish();↩
});↩
</script>↩