2d.gradient.interpolate.alpha.html (1310B)
1 <!DOCTYPE html> 2 <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> 3 <meta charset="UTF-8"> 4 <title>Canvas test: 2d.gradient.interpolate.alpha</title> 5 <script src="/resources/testharness.js"></script> 6 <script src="/resources/testharnessreport.js"></script> 7 <script src="/html/canvas/resources/canvas-tests.js"></script> 8 <link rel="stylesheet" href="/html/canvas/resources/canvas-tests.css"> 9 <body class="show_output"> 10 11 <h1>2d.gradient.interpolate.alpha</h1> 12 <p class="desc"></p> 13 14 15 <p class="output">Actual output:</p> 16 <canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas> 17 <p class="output expectedtext">Expected output:<p><img src="2d.gradient.interpolate.alpha.png" class="output expected" id="expected" alt=""> 18 <ul id="d"></ul> 19 <script> 20 var t = async_test(""); 21 _addTest(function(canvas, ctx) { 22 23 ctx.fillStyle = '#ff0'; 24 ctx.fillRect(0, 0, 100, 50); 25 var g = ctx.createLinearGradient(0, 0, 100, 0); 26 g.addColorStop(0, 'rgba(0,0,255, 0)'); 27 g.addColorStop(1, 'rgba(0,0,255, 1)'); 28 ctx.fillStyle = g; 29 ctx.fillRect(0, 0, 100, 50); 30 _assertPixelApprox(canvas, 25,25, 191,191,63,255, 3); 31 _assertPixelApprox(canvas, 50,25, 127,127,127,255, 3); 32 _assertPixelApprox(canvas, 75,25, 63,63,191,255, 3); 33 34 }); 35 </script>