| <!DOCTYPE html> |
| <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> |
| <html class="reftest-wait"> |
| <link rel="match" href="2d.layer.global-states.filter.composite-expected.html"> |
| <title>Canvas test: 2d.layer.global-states.filter.composite</title> |
| <h1>2d.layer.global-states.filter.composite</h1> |
| <p class="desc">Checks that layers with filters correctly use global render states.</p> |
| <canvas id="canvas" width="200" height="200"> |
| <p class="fallback">FAIL (fallback content)</p> |
| </canvas> |
| <script id='myWorker' type='text/worker'> |
| self.onmessage = function(e) { |
| const canvas = new OffscreenCanvas(200, 200); |
| const ctx = canvas.getContext('2d'); |
| |
| ctx.fillStyle = 'rgba(0, 0, 255, 1)'; |
| |
| var circle = new Path2D(); |
| circle.arc(90, 90, 45, 0, 2 * Math.PI); |
| ctx.fill(circle); |
| |
| ctx.globalCompositeOperation = 'source-in'; |
| |
| ctx.beginLayer([ |
| {filter: 'colorMatrix', values: [0.393, 0.769, 0.189, 0, 0, |
| 0.349, 0.686, 0.168, 0, 0, |
| 0.272, 0.534, 0.131, 0, 0, |
| 0, 0, 0, 1, 0]}, |
| {filter: 'componentTransfer', |
| funcA: {type: "table", tableValues: [0, 0.7]}}, |
| {filter: 'dropShadow', dx: 5, dy: 5, floodColor: '#81e'}]); |
| |
| ctx.fillStyle = 'rgba(200, 0, 0, 1)'; |
| ctx.fillRect(50, 50, 75, 50); |
| ctx.fillStyle = 'rgba(0, 200, 0, 1)'; |
| ctx.fillRect(70, 70, 75, 50); |
| |
| ctx.endLayer(); |
| |
| const bitmap = canvas.transferToImageBitmap(); |
| self.postMessage(bitmap, bitmap); |
| }; |
| </script> |
| <script> |
| const blob = new Blob([document.getElementById('myWorker').textContent]); |
| const worker = new Worker(URL.createObjectURL(blob)); |
| worker.addEventListener('message', msg => { |
| const outputCtx = document.getElementById("canvas").getContext('2d'); |
| outputCtx.drawImage(msg.data, 0, 0); |
| document.documentElement.classList.remove("reftest-wait"); |
| }); |
| worker.postMessage(null); |
| </script> |
| </html> |
