1.1 --- /dev/null Thu Jan 01 00:00:00 1970 +0000 1.2 +++ b/content/canvas/test/test_2d.fillText.gradient.html Wed Dec 31 06:09:35 2014 +0100 1.3 @@ -0,0 +1,55 @@ 1.4 +<!DOCTYPE HTML> 1.5 +<title>Canvas test: 2d.composite.canvas.xor</title> 1.6 +<script src="/tests/SimpleTest/SimpleTest.js"></script> 1.7 +<link rel="stylesheet" href="/tests/SimpleTest/test.css"> 1.8 +<body> 1.9 +<canvas id="c" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas> 1.10 +<script> 1.11 +function isPixel(ctx, x,y, r,g,b,a, pos, colour, d) { 1.12 + var pixel = ctx.getImageData(x, y, 1, 1); 1.13 + var pr = pixel.data[0], 1.14 + pg = pixel.data[1], 1.15 + pb = pixel.data[2], 1.16 + pa = pixel.data[3]; 1.17 + ok(r-d <= pr && pr <= r+d && 1.18 + g-d <= pg && pg <= g+d && 1.19 + b-d <= pb && pb <= b+d && 1.20 + a-d <= pa && pa <= a+d, 1.21 + "pixel "+pos+" is "+pr+","+pg+","+pb+","+pa+"; expected "+colour+" +/- "+d); 1.22 +} 1.23 + 1.24 +SimpleTest.waitForExplicitFinish(); 1.25 +addLoadEvent(function () { 1.26 + 1.27 +var canvas = document.getElementById('c'); 1.28 +var ctx = canvas.getContext('2d'); 1.29 + var text = "I"; 1.30 + var colorTop = 'rgba(255,0,0,1)'; 1.31 + var colorBottom = 'rgba(0,255,0,1)'; 1.32 + var inset = 10; 1.33 + var grad = ctx.createLinearGradient(inset, inset, inset, inset + 30); 1.34 + 1.35 + // add color stops 1.36 + grad.addColorStop(0, colorTop); 1.37 + grad.addColorStop(1, colorBottom); 1.38 + 1.39 + ctx.fillStyle = grad; 1.40 + ctx.textBaseline = 'top'; 1.41 + ctx.font = '110px sans-serif' 1.42 + ctx.fillText(text, -10, -20); 1.43 + ctx.fillText(text, -8, -20); 1.44 + ctx.fillText(text, -6, -20); 1.45 + ctx.fillText(text, -4, -20); 1.46 + ctx.fillText(text, -2, -20); 1.47 + ctx.fillText(text, 0, -20); 1.48 + ctx.fillText(text, 2, -20); 1.49 + ctx.fillText(text, 4, -20); 1.50 + ctx.fillText(text, 6, -20); 1.51 + 1.52 + isPixel(ctx, 15,0, 255,0,0,255, "15,0", "255,0,0,255", 5); 1.53 + isPixel(ctx, 15,49, 0,255,0,255, "15,49", "0,255,0,255", 5); 1.54 +SimpleTest.finish(); 1.55 + 1.56 +}); 1.57 +</script> 1.58 +