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Diffstat (limited to 'dom/canvas/test/test_2d.fillText.gradient.html')
| -rw-r--r-- | dom/canvas/test/test_2d.fillText.gradient.html | 55 |
1 files changed, 55 insertions, 0 deletions
diff --git a/dom/canvas/test/test_2d.fillText.gradient.html b/dom/canvas/test/test_2d.fillText.gradient.html new file mode 100644 index 0000000000..72183bd505 --- /dev/null +++ b/dom/canvas/test/test_2d.fillText.gradient.html @@ -0,0 +1,55 @@ +<!DOCTYPE HTML> +<title>Canvas test: 2d.composite.canvas.xor</title> +<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(); +addLoadEvent(function () { + +var canvas = document.getElementById('c'); +var ctx = canvas.getContext('2d'); + var text = "I"; + var colorTop = 'rgba(255,0,0,1)'; + var colorBottom = 'rgba(0,255,0,1)'; + var inset = 10; + var grad = ctx.createLinearGradient(inset, inset, inset, inset + 30); + + // add color stops + grad.addColorStop(0, colorTop); + grad.addColorStop(1, colorBottom); + + ctx.fillStyle = grad; + ctx.textBaseline = 'top'; + ctx.font = '110px sans-serif' + ctx.fillText(text, -10, -20); + ctx.fillText(text, -8, -20); + ctx.fillText(text, -6, -20); + ctx.fillText(text, -4, -20); + ctx.fillText(text, -2, -20); + ctx.fillText(text, 0, -20); + ctx.fillText(text, 2, -20); + ctx.fillText(text, 4, -20); + ctx.fillText(text, 6, -20); + + isPixel(ctx, 15,0, 255,0,0,255, "15,0", "255,0,0,255", 5); + isPixel(ctx, 15,49, 0,255,0,255, "15,49", "0,255,0,255", 5); +SimpleTest.finish(); + +}); +</script> + |