| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> |
| <link rel="match" href="2d.layer.global-states.filter.alpha-expected.html"> |
| <title>Canvas test: 2d.layer.global-states.filter.alpha</title> |
| <h1>2d.layer.global-states.filter.alpha</h1> |
| <p class="desc">Checks that layers with filters correctly use global render states.</p> |
| <canvas id="canvas" width="90" height="90"> |
| <p class="fallback">FAIL (fallback content)</p> |
| </canvas> |
| <script> |
| const canvas = new OffscreenCanvas(90, 90); |
| const ctx = canvas.getContext('2d'); |
| |
| ctx.fillStyle = 'rgba(128, 128, 128, 1)'; |
| ctx.fillRect(20, 15, 50, 50); |
| |
| ctx.globalAlpha = 0.75; |
| |
| ctx.beginLayer({filter: [ |
| {name: 'dropShadow', |
| dx: 5, dy: 5, stdDeviation: 0, floodColor: '#00f'}, |
| {name: 'componentTransfer', |
| funcA: {type: "table", tableValues: [0, 0.8]}}]}); |
| |
| ctx.fillStyle = 'rgba(255, 0, 0, 1)'; |
| ctx.fillRect(10, 25, 40, 50); |
| ctx.fillStyle = 'rgba(0, 255, 0, 1)'; |
| ctx.fillRect(30, 5, 50, 40); |
| |
| ctx.endLayer(); |
| |
| const outputCanvas = document.getElementById("canvas"); |
| outputCanvas.getContext('2d').drawImage(canvas, 0, 0); |
| </script> |
