2d.layer.several-complex.w.html (1758B)
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.several-complex-expected.html"> 6 <meta name=fuzzy content="maxDifference=0-3; totalPixels=0-6318"> 7 <title>Canvas test: 2d.layer.several-complex</title> 8 <h1>2d.layer.several-complex</h1> 9 <p class="desc">Test to ensure beginlayer works for filter, alpha and shadow, even with consecutive layers.</p> 10 <canvas id="canvas" width="500" height="500"> 11 <p class="fallback">FAIL (fallback content)</p> 12 </canvas> 13 <script id='myWorker' type='text/worker'> 14 self.onmessage = function(e) { 15 const canvas = new OffscreenCanvas(500, 500); 16 const ctx = canvas.getContext('2d'); 17 18 ctx.fillStyle = 'rgba(0, 0, 255, 1)'; 19 ctx.fillRect(50, 50, 95, 70); 20 21 ctx.globalAlpha = 0.5; 22 ctx.shadowOffsetX = -10; 23 ctx.shadowOffsetY = 10; 24 ctx.shadowColor = 'orange'; 25 ctx.shadowBlur = 3 26 27 for (let i = 0; i < 5; i++) { 28 ctx.beginLayer(); 29 30 ctx.fillStyle = 'rgba(225, 0, 0, 1)'; 31 ctx.fillRect(60 + i, 40 + i, 75, 50); 32 ctx.fillStyle = 'rgba(0, 255, 0, 1)'; 33 ctx.fillRect(80 + i, 60 + i, 75, 50); 34 35 ctx.endLayer(); 36 } 37 38 const bitmap = canvas.transferToImageBitmap(); 39 self.postMessage(bitmap, bitmap); 40 }; 41 </script> 42 <script> 43 const blob = new Blob([document.getElementById('myWorker').textContent]); 44 const worker = new Worker(URL.createObjectURL(blob)); 45 worker.addEventListener('message', msg => { 46 const outputCtx = document.getElementById("canvas").getContext('2d'); 47 outputCtx.drawImage(msg.data, 0, 0); 48 document.documentElement.classList.remove("reftest-wait"); 49 }); 50 worker.postMessage(null); 51 </script> 52 </html>