content/canvas/test/test_2d.line.cap.square.html
author L. David Baron <dbaron@dbaron.org>
Wed, 06 May 2009 13:46:04 -0700
changeset 28048 8f7b73d88f6bbedec99c6c8ef48b243ab922d05c
parent 16546 c321f9d28355a35365ccccd4167a7d7225c0cf6b
permissions -rw-r--r--
Switch HTML mochitests from using MochiKit.js to packed.js. (Bug 490955) r=sayrer

<!DOCTYPE HTML>
<title>Canvas test: 2d.line.cap.square</title>
<!-- Testing: lineCap 'square' is rendered correctly -->
<script src="/MochiKit/packed.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>