| <!DOCTYPE html> |
| <title>Canvas test: 2d.imageData.put.dirty.negative</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="green-100x50.png" class="output expected" id="expected" alt=""> |
| <ul id="d"></ul> |
| <script> |
| _addTest(function(canvas, ctx) { |
| |
| ctx.fillStyle = '#f00'; |
| ctx.fillRect(0, 0, 100, 50) |
| ctx.fillStyle = '#0f0'; |
| ctx.fillRect(0, 0, 20, 20) |
| |
| var imgdata = ctx.getImageData(0, 0, 100, 50); |
| |
| ctx.fillStyle = '#0f0'; |
| ctx.fillRect(0, 0, 100, 50) |
| ctx.fillStyle = '#f00'; |
| ctx.fillRect(40, 20, 20, 20) |
| ctx.putImageData(imgdata, 40, 20, 20, 20, -20, -20); |
| |
| _assertPixelApprox(canvas, 50,25, 0,255,0,255, "50,25", "0,255,0,255", 2); |
| _assertPixelApprox(canvas, 35,25, 0,255,0,255, "35,25", "0,255,0,255", 2); |
| _assertPixelApprox(canvas, 65,25, 0,255,0,255, "65,25", "0,255,0,255", 2); |
| _assertPixelApprox(canvas, 50,15, 0,255,0,255, "50,15", "0,255,0,255", 2); |
| _assertPixelApprox(canvas, 50,45, 0,255,0,255, "50,45", "0,255,0,255", 2); |
| |
| |
| }); |
| </script> |
| |
