| <!DOCTYPE html> |
| <canvas id = 'dstCanvas' width='100' height='100' style='background-color:red;'></canvas> |
| <script> |
| if (window.testRunner) { |
| testRunner.waitUntilDone(); |
| } |
| var srcCanvas = document.createElement('canvas'); |
| srcCanvas.width = srcCanvas.height = 100; |
| var ctx = srcCanvas.getContext('2d'); |
| ctx.fillStyle = 'rgba(0, 255, 0, 0.5)'; |
| ctx.fillRect(0, 0, 100, 100); |
| createImageBitmap(srcCanvas).then(consumeImageBitmap) |
| |
| function consumeImageBitmap(image) { |
| var dstCanvas = document.getElementById('dstCanvas'); |
| var dstCtx = dstCanvas.getContext('imagebitmap', { alpha: true }); |
| dstCtx.transferImageBitmap(image); |
| if (window.testRunner) { |
| testRunner.notifyDone(); |
| } |
| } |
| </script> |
