| <!DOCTYPE html> |
| <title>Canvas test: 2d.gradient.interpolate.colouralpha</title> |
| <script src="../tests.js"></script> |
| <link rel="stylesheet" href="../tests.css"> |
| <body> |
| <p id="passtext">Pass</p> |
| <p id="failtext">Fail</p> |
| <p class="output">These images should be identical:</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="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> |
| |
