| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> |
| <link rel="match" href="2d.layer.render-opportunities.drawImage-expected.html"> |
| <title>Canvas test: 2d.layer.render-opportunities.drawImage</title> |
| <h1>2d.layer.render-opportunities.drawImage</h1> |
| <p class="desc">Check that layers state stack is flushed and rebuilt on frame renders.</p> |
| <canvas id="canvas" width="200" height="200"> |
| <p class="fallback">FAIL (fallback content)</p> |
| </canvas> |
| <script> |
| const canvas = new OffscreenCanvas(200, 200); |
| const ctx = canvas.getContext('2d'); |
| |
| ctx.fillStyle = 'purple'; |
| ctx.fillRect(60, 60, 75, 50); |
| ctx.globalAlpha = 0.5; |
| |
| ctx.beginLayer({filter: 'dropShadow', dx: -2, dy: 2}); |
| ctx.fillRect(40, 40, 75, 50); |
| ctx.fillStyle = 'grey'; |
| ctx.fillRect(50, 50, 75, 50); |
| |
| // Force a flush and restoration of the state stack: |
| const canvas2 = new OffscreenCanvas(200, 200); |
| const ctx2 = canvas2.getContext('2d'); |
| ctx2.drawImage(canvas, 0, 0); |
| |
| ctx.fillRect(70, 70, 75, 50); |
| ctx.fillStyle = 'orange'; |
| ctx.fillRect(80, 80, 75, 50); |
| ctx.endLayer(); |
| |
| ctx.fillRect(80, 40, 75, 50); |
| |
| const outputCanvas = document.getElementById("canvas"); |
| outputCanvas.getContext('2d').drawImage(canvas, 0, 0); |
| </script> |
