| <!DOCTYPE html> |
| <title>Canvas test: 2d.gradient.interpolate.overlap</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.overlap.png" class="output expected" id="expected" alt=""> |
| <ul id="d"></ul> |
| <script> |
| _addTest(function(canvas, ctx) { |
| |
| canvas.width = 200; |
| var g = ctx.createLinearGradient(0, 0, 200, 0); |
| g.addColorStop(0, '#f00'); |
| g.addColorStop(0, '#ff0'); |
| g.addColorStop(0.25, '#00f'); |
| g.addColorStop(0.25, '#0f0'); |
| g.addColorStop(0.25, '#0f0'); |
| g.addColorStop(0.25, '#0f0'); |
| g.addColorStop(0.25, '#ff0'); |
| g.addColorStop(0.5, '#00f'); |
| g.addColorStop(0.5, '#0f0'); |
| g.addColorStop(0.75, '#00f'); |
| g.addColorStop(0.75, '#f00'); |
| g.addColorStop(0.75, '#ff0'); |
| g.addColorStop(0.5, '#0f0'); |
| g.addColorStop(0.5, '#0f0'); |
| g.addColorStop(0.5, '#ff0'); |
| g.addColorStop(1, '#00f'); |
| ctx.fillStyle = g; |
| ctx.fillRect(0, 0, 200, 50); |
| _assertPixelApprox(canvas, 49,25, 0,0,255,255, "49,25", "0,0,255,255", 16); |
| _assertPixelApprox(canvas, 51,25, 255,255,0,255, "51,25", "255,255,0,255", 16); |
| _assertPixelApprox(canvas, 99,25, 0,0,255,255, "99,25", "0,0,255,255", 16); |
| _assertPixelApprox(canvas, 101,25, 255,255,0,255, "101,25", "255,255,0,255", 16); |
| _assertPixelApprox(canvas, 149,25, 0,0,255,255, "149,25", "0,0,255,255", 16); |
| _assertPixelApprox(canvas, 151,25, 255,255,0,255, "151,25", "255,255,0,255", 16); |
| |
| |
| }); |
| </script> |
| |
