| <!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.no-composite-op.shadow.rotation-expected.html"> |
| <title>Canvas test: 2d.layer.global-states.no-composite-op.shadow.rotation</title> |
| <h1 style="font-size: 20px;">2d.layer.global-states.no-composite-op.shadow.rotation</h1> |
| <p class="desc">Checks that layers correctly use global render states.</p> |
| <script>pending_tests = 2;</script> |
| |
| <div style="display: grid; grid-gap: 4px; |
| grid-template-columns: repeat(2, max-content); |
| font-size: 13px; text-align: center;"> |
| <span> |
| <div>no-globalAlpha</div> |
| <canvas id="canvas0" width="90" height="90" style="outline: 1px solid"> |
| <p class="fallback">FAIL (fallback content)</p> |
| </canvas> |
| <script id="myWorker0" type="text/worker"> |
| self.onmessage = function(e) { |
| const canvas = new OffscreenCanvas(90, 90); |
| const ctx = canvas.getContext('2d'); |
| |
| ctx.translate(50, 40); |
| ctx.rotate(Math.PI); |
| ctx.translate(-45, -45); |
| |
| ctx.fillStyle = 'rgba(128, 128, 128, 1)'; |
| ctx.fillRect(20, 15, 50, 50); |
| |
| // No globalAlpha. |
| // No globalCompositeOperation. |
| ctx.shadowOffsetX = -7; |
| ctx.shadowOffsetY = 7; |
| ctx.shadowColor = 'rgba(255, 165, 0, 0.5)'; |
| ctx.shadowBlur = 3; |
| |
| ctx.beginLayer(); |
| |
| // Enable compositing in the layer to validate that draw calls in the layer |
| // won't individually composite with the background. |
| ctx.globalCompositeOperation = 'screen'; |
| |
| 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 bitmap = canvas.transferToImageBitmap(); |
| self.postMessage(bitmap, bitmap); |
| }; |
| </script> |
| <script type="module"> |
| const blob = new Blob([document.getElementById('myWorker0').textContent]); |
| const worker = new Worker(URL.createObjectURL(blob)); |
| worker.addEventListener('message', msg => { |
| const outputCanvas = document.getElementById('canvas0'); |
| const outputCtx = outputCanvas.getContext('2d'); |
| outputCtx.drawImage(msg.data, 0, 0); |
| if (--pending_tests == 0) { |
| document.documentElement.classList.remove('reftest-wait'); |
| } |
| }); |
| worker.postMessage(null); |
| </script> |
| </span> |
| |
| <span> |
| <div>globalAlpha</div> |
| <canvas id="canvas1" width="90" height="90" style="outline: 1px solid"> |
| <p class="fallback">FAIL (fallback content)</p> |
| </canvas> |
| <script id="myWorker1" type="text/worker"> |
| self.onmessage = function(e) { |
| const canvas = new OffscreenCanvas(90, 90); |
| const ctx = canvas.getContext('2d'); |
| |
| ctx.translate(50, 40); |
| ctx.rotate(Math.PI); |
| ctx.translate(-45, -45); |
| |
| ctx.fillStyle = 'rgba(128, 128, 128, 1)'; |
| ctx.fillRect(20, 15, 50, 50); |
| |
| ctx.globalAlpha = 0.75; |
| // No globalCompositeOperation. |
| ctx.shadowOffsetX = -7; |
| ctx.shadowOffsetY = 7; |
| ctx.shadowColor = 'rgba(255, 165, 0, 0.5)'; |
| ctx.shadowBlur = 3; |
| |
| ctx.beginLayer(); |
| |
| // Enable compositing in the layer to validate that draw calls in the layer |
| // won't individually composite with the background. |
| ctx.globalCompositeOperation = 'screen'; |
| |
| 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 bitmap = canvas.transferToImageBitmap(); |
| self.postMessage(bitmap, bitmap); |
| }; |
| </script> |
| <script type="module"> |
| const blob = new Blob([document.getElementById('myWorker1').textContent]); |
| const worker = new Worker(URL.createObjectURL(blob)); |
| worker.addEventListener('message', msg => { |
| const outputCanvas = document.getElementById('canvas1'); |
| const outputCtx = outputCanvas.getContext('2d'); |
| outputCtx.drawImage(msg.data, 0, 0); |
| if (--pending_tests == 0) { |
| document.documentElement.classList.remove('reftest-wait'); |
| } |
| }); |
| worker.postMessage(null); |
| </script> |
| </span> |
| |
| </div> |
| </html> |