| <!DOCTYPE html> |
| <title>Canvas test: 2d.gradient.interpolate.colouralpha</title> |
| <meta name="author" content="Philip Taylor"> |
| <script src="../common/canvas-tests.js"></script> |
| <link rel="stylesheet" href="../common/canvas-tests.css"> |
| <body class="show_output"> |
| |
| <h1><a href="index.2d.html">2d</a>.<a href="index.2d.gradient.html">gradient</a>.<a href="index.2d.gradient.interpolate.html">interpolate</a>.colouralpha</h1> |
| <p class="desc"></p> |
| |
| <div class="refs">Spec references: |
| <ul> |
| <li><a href="../annotated-spec/canvas.html#testrefs.2d.gradient.interpolate.alpha">2d.gradient.interpolate.alpha</a> |
| </ul> |
| </div> |
| |
| <p class="output">Actual output:</p> |
| <canvas id="c" class="output" width="100" height="50"><p class="fallback">FAIL (fallback content)</p></canvas> |
| <p class="output expectedtext">Expected output:<p><img src="resources/2d.gradient.interpolate.colouralpha.png" class="output expected" id="expected" alt=""> |
| <ul id="d"></ul> |
| <script> |
| _addTest(function(canvas, ctx) { |
| |
| var g = ctx.createLinearGradient(0, 0, 100, 0); |
| g.addColorStop(0, 'rgba(255,255,0, 0)'); |
| g.addColorStop(1, 'rgba(0,0,255, 1)'); |
| ctx.fillStyle = g; |
| ctx.fillRect(0, 0, 100, 50); |
| _assertPixelApprox(canvas, 25,25, 190,190,65,65, "25,25", "190,190,65,65", 3); |
| _assertPixelApprox(canvas, 50,25, 126,126,128,128, "50,25", "126,126,128,128", 3); |
| _assertPixelApprox(canvas, 75,25, 62,62,192,192, "75,25", "62,62,192,192", 3); |
| |
| |
| }); |
| </script> |
| |
