The Tor Browser: content/canvas/test/test_2d.gradient.radial.cone.top.html@6474c204b198

Cloned upstream origin tor-browser at tor-browser-31.3.0esr-4.5-1-build1
revision ID fc1c9ff7c1b2defdbc039f12214767608f46423f for hacking purpose.

     1 <!DOCTYPE HTML>

     2 <title>Canvas test: 2d.gradient.radial.cone.top</title>

     3 <script src="/tests/SimpleTest/SimpleTest.js"></script>

     4 <link rel="stylesheet" href="/tests/SimpleTest/test.css">

     5 <body>

     6 <canvas id="c" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas>

     7 <script>

     9 function isPixel(ctx, x,y, r,g,b,a, pos, colour, d) {

    10     var pixel = ctx.getImageData(x, y, 1, 1);

    11     var pr = pixel.data[0],

    12         pg = pixel.data[1],

    13         pb = pixel.data[2],

    14         pa = pixel.data[3];

    15     ok(r-d <= pr && pr <= r+d &&

    16        g-d <= pg && pg <= g+d &&

    17        b-d <= pb && pb <= b+d &&

    18        a-d <= pa && pa <= a+d,

    19        "pixel "+pos+" is "+pr+","+pg+","+pb+","+pa+"; expected "+colour+" +/- "+d);

    20 }

    22 function todo_isPixel(ctx, x,y, r,g,b,a, pos, colour, d) {

    23     var pixel = ctx.getImageData(x, y, 1, 1);

    24     var pr = pixel.data[0],

    25         pg = pixel.data[1],

    26         pb = pixel.data[2],

    27         pa = pixel.data[3];

    28     todo(r-d <= pr && pr <= r+d &&

    29          g-d <= pg && pg <= g+d &&

    30          b-d <= pb && pb <= b+d &&

    31          a-d <= pa && pa <= a+d,

    32          "pixel "+pos+" is "+pr+","+pg+","+pb+","+pa+"; expected "+colour+" +/- "+d);

    33 }

    35 SimpleTest.waitForExplicitFinish();

    36 addLoadEvent(function () {

    38 var canvas = document.getElementById('c');

    39 var ctx = canvas.getContext('2d');

    41 ctx.fillStyle = '#f00';

    42 ctx.fillRect(0, 0, 100, 50);

    44 var g = ctx.createRadialGradient(230, 25, 100, 100, 25, 101);

    45 g.addColorStop(0, '#f00');

    46 g.addColorStop(1, '#0f0');

    47 ctx.fillStyle = g;

    48 ctx.fillRect(0, 0, 100, 50);

    50 isPixel(ctx, 1,1, 0,255,0,255, "1,1", "0,255,0,255", 0);

    51 isPixel(ctx, 50,1, 0,255,0,255, "50,1", "0,255,0,255", 0);

    52 isPixel(ctx, 98,1, 0,255,0,255, "98,1", "0,255,0,255", 0);

    53 isPixel(ctx, 1,25, 0,255,0,255, "1,25", "0,255,0,255", 0);

    54 isPixel(ctx, 50,25, 0,255,0,255, "50,25", "0,255,0,255", 0);

    55 isPixel(ctx, 98,25, 0,255,0,255, "98,25", "0,255,0,255", 0);

    56 isPixel(ctx, 1,48, 0,255,0,255, "1,48", "0,255,0,255", 0);

    57 isPixel(ctx, 50,48, 0,255,0,255, "50,48", "0,255,0,255", 0);

    58 isPixel(ctx, 98,48, 0,255,0,255, "98,48", "0,255,0,255", 0);

    60 SimpleTest.finish();

    62 });

    63 </script>

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