mirror of
https://gitlab.winehq.org/wine/wine-gecko.git
synced 2024-09-13 09:24:08 -07:00
63 lines
2.3 KiB
HTML
63 lines
2.3 KiB
HTML
<!DOCTYPE HTML>
|
|
<title>Canvas test: 2d.transformation.setTransform.skewed</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');
|
|
|
|
// Create green with a red square ring inside it
|
|
ctx.fillStyle = '#0f0';
|
|
ctx.fillRect(0, 0, 100, 50);
|
|
ctx.fillStyle = '#f00';
|
|
ctx.fillRect(20, 10, 60, 30);
|
|
ctx.fillStyle = '#0f0';
|
|
ctx.fillRect(40, 20, 20, 10);
|
|
|
|
// Draw a skewed shape to fill that gap, to make sure it is aligned correctly
|
|
ctx.setTransform(1,4, 2,3, 5,6);
|
|
// Post-transform coordinates:
|
|
// [[20,10],[80,10],[80,40],[20,40],[20,10],[40,20],[40,30],[60,30],[60,20],[40,20],[20,10]];
|
|
// Hence pre-transform coordinates:
|
|
var pts=[[-7.4,11.2],[-43.4,59.2],[-31.4,53.2],[4.6,5.2],[-7.4,11.2],
|
|
[-15.4,25.2],[-11.4,23.2],[-23.4,39.2],[-27.4,41.2],[-15.4,25.2],
|
|
[-7.4,11.2]];
|
|
ctx.beginPath();
|
|
ctx.moveTo(pts[0][0], pts[0][1]);
|
|
for (var i = 0; i < pts.length; ++i)
|
|
ctx.lineTo(pts[i][0], pts[i][1]);
|
|
ctx.fill();
|
|
isPixel(ctx, 21,11, 0,255,0,255, "21,11", "0,255,0,255", 0);
|
|
isPixel(ctx, 79,11, 0,255,0,255, "79,11", "0,255,0,255", 0);
|
|
isPixel(ctx, 21,39, 0,255,0,255, "21,39", "0,255,0,255", 0);
|
|
isPixel(ctx, 79,39, 0,255,0,255, "79,39", "0,255,0,255", 0);
|
|
isPixel(ctx, 39,19, 0,255,0,255, "39,19", "0,255,0,255", 0);
|
|
isPixel(ctx, 61,19, 0,255,0,255, "61,19", "0,255,0,255", 0);
|
|
isPixel(ctx, 39,31, 0,255,0,255, "39,31", "0,255,0,255", 0);
|
|
isPixel(ctx, 61,31, 0,255,0,255, "61,31", "0,255,0,255", 0);
|
|
|
|
if (!_deferred) SimpleTest.finish();
|
|
});
|
|
</script>
|
|
|