2d.layer.cross-layer-paths.w.html (1311B)
1 <!DOCTYPE html> 2 <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> 3 <meta charset="UTF-8"> 4 <html class="reftest-wait"> 5 <link rel="match" href="2d.layer.cross-layer-paths-expected.html"> 6 <title>Canvas test: 2d.layer.cross-layer-paths</title> 7 <h1>2d.layer.cross-layer-paths</h1> 8 <p class="desc">Checks that path defined in a layer is usable outside.</p> 9 <canvas id="canvas" width="100" height="50"> 10 <p class="fallback">FAIL (fallback content)</p> 11 </canvas> 12 <script id='myWorker' type='text/worker'> 13 self.onmessage = function(e) { 14 const canvas = new OffscreenCanvas(100, 50); 15 const ctx = canvas.getContext('2d'); 16 17 ctx.beginLayer(); 18 ctx.translate(50, 0); 19 ctx.moveTo(0, 0); 20 ctx.endLayer(); 21 ctx.lineTo(50, 100); 22 ctx.stroke(); 23 24 const bitmap = canvas.transferToImageBitmap(); 25 self.postMessage(bitmap, bitmap); 26 }; 27 </script> 28 <script> 29 const blob = new Blob([document.getElementById('myWorker').textContent]); 30 const worker = new Worker(URL.createObjectURL(blob)); 31 worker.addEventListener('message', msg => { 32 const outputCtx = document.getElementById("canvas").getContext('2d'); 33 outputCtx.drawImage(msg.data, 0, 0); 34 document.documentElement.classList.remove("reftest-wait"); 35 }); 36 worker.postMessage(null); 37 </script> 38 </html>