2d.reset.render.line.w.html (1456B)
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.reset.render.line-expected.html"> 6 <title>Canvas test: 2d.reset.render.line</title> 7 <h1>2d.reset.render.line</h1> 8 <p class="desc">check that lines are correctly rendered after reset</p> 9 <canvas id="canvas" width="400" height="400"> 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(400, 400); 15 const ctx = canvas.getContext('2d'); 16 17 ctx.lineWidth = 10; 18 ctx.lineCap = "round"; 19 ctx.lineJoin = "bevel"; 20 ctx.lineDashOffset = 10; 21 ctx.setLineDash([20]); 22 23 ctx.reset(); 24 25 ctx.beginPath(); 26 ctx.moveTo(100, 100); 27 ctx.lineTo(100, 300); 28 ctx.lineTo(300, 300); 29 ctx.lineTo(300, 100); 30 ctx.stroke(); 31 32 const bitmap = canvas.transferToImageBitmap(); 33 self.postMessage(bitmap, bitmap); 34 }; 35 </script> 36 <script> 37 const blob = new Blob([document.getElementById('myWorker').textContent]); 38 const worker = new Worker(URL.createObjectURL(blob)); 39 worker.addEventListener('message', msg => { 40 const outputCtx = document.getElementById("canvas").getContext('2d'); 41 outputCtx.drawImage(msg.data, 0, 0); 42 document.documentElement.classList.remove("reftest-wait"); 43 }); 44 worker.postMessage(null); 45 </script> 46 </html>