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<!DOCTYPE HTML>
<title>Canvas Tests</title>
<script src="/tests/SimpleTest/SimpleTest.js"></script>
<link rel="stylesheet" href="/tests/SimpleTest/test.css">
<body>
<script>
SimpleTest.waitForExplicitFinish();
const Cc = SpecialPowers.Cc;
const Cr = SpecialPowers.Cr;
function isPixel(ctx, x,y, r,g,b,a, d) {
var pos = x + "," + y;
var colour = r + "," + g + "," + b + "," + a;
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+" of "+ctx.canvas.id+" is "+pr+","+pg+","+pb+","+pa+"; expected "+colour+" +/- "+d);
}
</script>
<p>Canvas test: 2d.composite.canvaspattern.setTransform</p>
<canvas id="ctx" width="100" height="50"><p class="fallback">FAIL
(fallback content)</p></canvas>
<img src="image_rgrg-256x256.png" id="rgrg-256x256.png" width="32"
height="32" class="resource">
<script>
function test_2d_canvaspattern_setTransform() {
var canvas = document.getElementById('ctx');
var ctx = canvas.getContext('2d');
ctx.clearRect(0,0,canvas.width,canvas.height);
var img = document.getElementById("rgrg-256x256.png");
var pat = ctx.createPattern(img,"repeat");
var mtx = new DOMMatrix()
pat.setTransform(mtx.rotate(-45).scale(0.1));
ctx.fillStyle = pat;
ctx.fillRect(0, 0, 100, 50);
// If the pattern doesn't get transformed, or only gets rotated or
// scaled, but not both, this will not be green and will fail.
isPixel(ctx, 90,14, 0,255,0,255, 0);
}
</script>
<script>
function runTests() {
try {
test_2d_canvaspattern_setTransform();
} catch(e) {
ok(false, "unexpected exception thrown in: test_2d_canvaspattern_setTransform");
throw e;
}
SimpleTest.finish();
}
addLoadEvent(function() {
SpecialPowers.pushPrefEnv({"set":[["canvas.path.enabled", true]]}, runTests)
});
// Don't leak the world via the Path2D reference to its window.
document.all;
window.p = new Path2D();
</script>
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