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Diffstat (limited to 'dom/canvas/test/test_2d.composite.uncovered.fill.source-in.html')
-rw-r--r-- | dom/canvas/test/test_2d.composite.uncovered.fill.source-in.html | 53 |
1 files changed, 53 insertions, 0 deletions
diff --git a/dom/canvas/test/test_2d.composite.uncovered.fill.source-in.html b/dom/canvas/test/test_2d.composite.uncovered.fill.source-in.html new file mode 100644 index 000000000..fb1a04a64 --- /dev/null +++ b/dom/canvas/test/test_2d.composite.uncovered.fill.source-in.html @@ -0,0 +1,53 @@ +<!DOCTYPE HTML> +<title>Canvas test: 2d.composite.uncovered.fill.source-in</title> +<!-- Testing: fill() draws pixels not covered by the source object as (0,0,0,0), and does not leave the pixels unchanged. --> +<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); +} +function todo_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]; + todo(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(); +addLoadEvent(function () { + +var canvas = document.getElementById('c'); +var ctx = canvas.getContext('2d'); + + +ctx.fillStyle = 'rgba(0, 255, 0, 0.5)'; +ctx.fillRect(0, 0, 100, 50); +ctx.globalCompositeOperation = 'source-in'; +ctx.fillStyle = 'rgba(0, 0, 255, 0.75)'; +ctx.translate(0, 25); +ctx.fillRect(0, 50, 100, 50); +isPixel(ctx, 50,25, 0,0,0,0, "50,25", "0,0,0,0", 5); + +SimpleTest.finish(); + +}); +</script> + |