gecko/content/canvas/test/test_2d.line.cap.square.html

70 lines
2.1 KiB
HTML

<!DOCTYPE HTML>
<title>Canvas test: 2d.line.cap.square</title>
<!-- Testing: lineCap 'square' is rendered correctly -->
<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();
MochiKit.DOM.addLoadEvent(function () {
var canvas = document.getElementById('c');
var ctx = canvas.getContext('2d');
ctx.fillStyle = '#0f0';
ctx.fillRect(0, 0, 100, 50);
ctx.lineCap = 'square';
ctx.lineWidth = 20;
ctx.fillStyle = '#f00';
ctx.strokeStyle = '#0f0';
ctx.fillRect(15, 5, 20, 40);
ctx.beginPath();
ctx.moveTo(25, 15);
ctx.lineTo(25, 35);
ctx.stroke();
ctx.fillStyle = '#0f0';
ctx.strokeStyle = '#f00';
ctx.beginPath();
ctx.moveTo(75, 15);
ctx.lineTo(75, 35);
ctx.stroke();
ctx.fillRect(65, 5, 20, 40);
isPixel(ctx, 25,4, 0,255,0,255, "25,4", "0,255,0,255", 0);
isPixel(ctx, 25,5, 0,255,0,255, "25,5", "0,255,0,255", 0);
isPixel(ctx, 25,6, 0,255,0,255, "25,6", "0,255,0,255", 0);
isPixel(ctx, 25,44, 0,255,0,255, "25,44", "0,255,0,255", 0);
isPixel(ctx, 25,45, 0,255,0,255, "25,45", "0,255,0,255", 0);
isPixel(ctx, 25,46, 0,255,0,255, "25,46", "0,255,0,255", 0);
isPixel(ctx, 75,4, 0,255,0,255, "75,4", "0,255,0,255", 0);
isPixel(ctx, 75,5, 0,255,0,255, "75,5", "0,255,0,255", 0);
isPixel(ctx, 75,6, 0,255,0,255, "75,6", "0,255,0,255", 0);
isPixel(ctx, 75,44, 0,255,0,255, "75,44", "0,255,0,255", 0);
isPixel(ctx, 75,45, 0,255,0,255, "75,45", "0,255,0,255", 0);
isPixel(ctx, 75,46, 0,255,0,255, "75,46", "0,255,0,255", 0);
SimpleTest.finish();
});
</script>