content/canvas/test/test_2d.composite.uncovered.pattern.source-out.html

changeset 0
6474c204b198
     1.1 --- /dev/null	Thu Jan 01 00:00:00 1970 +0000
     1.2 +++ b/content/canvas/test/test_2d.composite.uncovered.pattern.source-out.html	Wed Dec 31 06:09:35 2014 +0100
     1.3 @@ -0,0 +1,53 @@
     1.4 +<!DOCTYPE HTML>
     1.5 +<title>Canvas test: 2d.composite.uncovered.pattern.source-out</title>
     1.6 +<!-- Testing: Pattern fill() draws pixels not covered by the source object as (0,0,0,0), and does not leave the pixels unchanged. -->
     1.7 +<script src="/tests/SimpleTest/SimpleTest.js"></script>
     1.8 +<link rel="stylesheet" href="/tests/SimpleTest/test.css">
     1.9 +<body>
    1.10 +<canvas id="c" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>
    1.11 +<script>
    1.12 +function isPixel(ctx, x,y, r,g,b,a, pos, colour, d) {
    1.13 +    var pixel = ctx.getImageData(x, y, 1, 1);
    1.14 +    var pr = pixel.data[0],
    1.15 +        pg = pixel.data[1],
    1.16 +        pb = pixel.data[2],
    1.17 +        pa = pixel.data[3];
    1.18 +    ok(r-d <= pr && pr <= r+d &&
    1.19 +       g-d <= pg && pg <= g+d &&
    1.20 +       b-d <= pb && pb <= b+d &&
    1.21 +       a-d <= pa && pa <= a+d,
    1.22 +       "pixel "+pos+" is "+pr+","+pg+","+pb+","+pa+"; expected "+colour+" +/- "+d);
    1.23 +}
    1.24 +function todo_isPixel(ctx, x,y, r,g,b,a, pos, colour, d) {
    1.25 +    var pixel = ctx.getImageData(x, y, 1, 1);
    1.26 +    var pr = pixel.data[0],
    1.27 +        pg = pixel.data[1],
    1.28 +        pb = pixel.data[2],
    1.29 +        pa = pixel.data[3];
    1.30 +    todo(r-d <= pr && pr <= r+d &&
    1.31 +       g-d <= pg && pg <= g+d &&
    1.32 +       b-d <= pb && pb <= b+d &&
    1.33 +       a-d <= pa && pa <= a+d,
    1.34 +       "pixel "+pos+" is "+pr+","+pg+","+pb+","+pa+"; expected "+colour+" +/- "+d);
    1.35 +}
    1.36 +
    1.37 +SimpleTest.waitForExplicitFinish();
    1.38 +addLoadEvent(function () {
    1.39 +
    1.40 +var canvas = document.getElementById('c');
    1.41 +var ctx = canvas.getContext('2d');
    1.42 +
    1.43 +
    1.44 +ctx.fillStyle = 'rgba(0, 255, 255, 0.5)';
    1.45 +ctx.fillRect(0, 0, 100, 50);
    1.46 +ctx.globalCompositeOperation = 'source-out';
    1.47 +ctx.fillStyle = ctx.createPattern(document.getElementById('yellow.png'), 'no-repeat');
    1.48 +ctx.fillRect(0, 50, 100, 50);
    1.49 +isPixel(ctx, 50,25, 0,0,0,0, "50,25", "0,0,0,0", 5);
    1.50 +
    1.51 +SimpleTest.finish();
    1.52 +
    1.53 +});
    1.54 +</script>
    1.55 +<img src="image_yellow.png" id="yellow.png" class="resource">
    1.56 +

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