| <!DOCTYPE html> |
| <head> |
| <style> |
| body { |
| background: black; |
| } |
| </style> |
| <body> |
| This test checks if the color bleeds due to interpolation filter when the canvas is stretched. We expect to see a white band extending from left to right without any vertical black lines. |
| <canvas id='foo' width='100' height='100' style='width:500px;height:100px'> </canvas> |
| <script> |
| |
| if (window.testRunner) { |
| testRunner.waitUntilDone(); |
| } |
| |
| var i = 0; |
| var ctx = document.getElementById("foo").getContext("2d"); |
| ctx.fillStyle = 'white'; |
| |
| function draw_slice() { |
| if (i >= 100) { |
| if (window.testRunner) { |
| testRunner.notifyDone(); |
| } |
| } |
| ctx.fillRect(i, 0, 2, 100); |
| i+=2; |
| window.requestAnimationFrame(draw_slice); |
| } |
| |
| draw_slice(); |
| </script> |
| </body> |
| </head> |
