tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
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test_2d.gradient.radial.cone.top.html (2109B)


      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>
      8 
      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 }
     21 
     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 }
     34 
     35 SimpleTest.waitForExplicitFinish();
     36 addLoadEvent(function () {
     37 
     38 var canvas = document.getElementById('c');
     39 var ctx = canvas.getContext('2d');
     40 
     41 ctx.fillStyle = '#f00';
     42 ctx.fillRect(0, 0, 100, 50);
     43 
     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);
     49 
     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);
     59 
     60 SimpleTest.finish();
     61 
     62 });
     63 </script>