tor-browser

The Tor Browser
git clone https://git.dasho.dev/tor-browser.git
Log | Files | Refs | README | LICENSE

test_2d.strokeRect.zero.5.html (1091B)


      1 <!DOCTYPE HTML>
      2 <title>Canvas test: 2d.strokeRect.zero.5</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" style="background: #f00"><p class="fallback">FAIL (fallback content)</p></canvas>
      7 <script>
      8 function isPixel(ctx, x,y, r,g,b,a, pos, colour, d) {
      9    var pixel = ctx.getImageData(x, y, 1, 1);
     10    var pr = pixel.data[0],
     11        pg = pixel.data[1],
     12        pb = pixel.data[2],
     13        pa = pixel.data[3];
     14    ok(r-d <= pr && pr <= r+d &&
     15       g-d <= pg && pg <= g+d &&
     16       b-d <= pb && pb <= b+d &&
     17       a-d <= pa && pa <= a+d,
     18       "pixel "+pos+" is "+pr+","+pg+","+pb+","+pa+"; expected "+colour+" +/- "+d);
     19 }
     20 
     21 SimpleTest.waitForExplicitFinish();
     22 addLoadEvent(function () {
     23 
     24 var canvas = document.getElementById('c');
     25 var ctx = canvas.getContext('2d');
     26 
     27 ctx.strokeStyle = '#0f0';
     28 ctx.lineWidth = 250;
     29 ctx.lineJoin = 'round';
     30 ctx.strokeRect(100, 25, 100, 0);
     31 isPixel(ctx, 50,25, 0,255,0,255, "50,25", "0,255,0,255", 0);
     32 
     33 SimpleTest.finish();
     34 
     35 });
     36 </script>