mirror of
https://github.com/mozilla/gecko-dev.git
synced 2024-11-02 15:15:23 +00:00
44 lines
1.5 KiB
HTML
44 lines
1.5 KiB
HTML
<!DOCTYPE HTML>
|
|
<title>Canvas test: 2d.pattern.paint.repeat.coord2</title>
|
|
<script src="/MochiKit/MochiKit.js"></script>
|
|
<script src="/tests/SimpleTest/SimpleTest.js"></script>
|
|
<link rel="stylesheet" type="text/css" href="/tests/SimpleTest/test.css">
|
|
<body>
|
|
<canvas id="c" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
|
|
<script>
|
|
var _deferred = false;
|
|
function isPixel(ctx, x,y, r,g,b,a, pos, colour, d, f) {
|
|
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];
|
|
(f || 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();
|
|
MochiKit.DOM.addLoadEvent(function () {
|
|
|
|
var canvas = document.getElementById('c');
|
|
var ctx = canvas.getContext('2d');
|
|
|
|
var img = document.getElementById('ggrr-256x256.png');
|
|
var pattern = ctx.createPattern(img, 'repeat');
|
|
ctx.fillStyle = pattern;
|
|
ctx.fillRect(0, 0, 100, 50);
|
|
|
|
isPixel(ctx, 1,1, 0,255,0,255, "1,1", "0,255,0,255", 0);
|
|
isPixel(ctx, 98,1, 0,255,0,255, "98,1", "0,255,0,255", 0);
|
|
isPixel(ctx, 1,48, 0,255,0,255, "1,48", "0,255,0,255", 0);
|
|
isPixel(ctx, 98,48, 0,255,0,255, "98,48", "0,255,0,255", 0);
|
|
|
|
if (!_deferred) SimpleTest.finish();
|
|
});
|
|
</script>
|
|
<img src="image_ggrr-256x256.png" id="ggrr-256x256.png" class="resource">
|
|
|