2d.shadow.image.transparent.2.html (1196B)
1 <!DOCTYPE html> 2 <!-- DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. --> 3 <meta charset="UTF-8"> 4 <title>OffscreenCanvas test: 2d.shadow.image.transparent.2</title> 5 <script src="/resources/testharness.js"></script> 6 <script src="/resources/testharnessreport.js"></script> 7 <script src="/html/canvas/resources/canvas-tests.js"></script> 8 9 <h1>2d.shadow.image.transparent.2</h1> 10 <p class="desc">Shadows are not drawn for transparent parts of images</p> 11 12 13 <script> 14 promise_test(async t => { 15 16 var canvas = new OffscreenCanvas(100, 50); 17 var ctx = canvas.getContext('2d'); 18 19 ctx.fillStyle = '#0f0'; 20 ctx.fillRect(0, 0, 50, 50); 21 ctx.fillStyle = '#f00'; 22 ctx.fillRect(50, 0, 50, 50); 23 ctx.shadowOffsetY = 50; 24 ctx.shadowColor = '#0f0'; 25 var response = await fetch('/images/redtransparent.png') 26 var blob = await response.blob(); 27 var img = await createImageBitmap(blob); 28 ctx.drawImage(img, 50, -50); 29 ctx.shadowColor = '#f00'; 30 ctx.drawImage(img, -50, -50); 31 32 _assertPixel(canvas, 25,25, 0,255,0,255); 33 _assertPixel(canvas, 50,25, 0,255,0,255); 34 _assertPixel(canvas, 75,25, 0,255,0,255); 35 36 }, "Shadows are not drawn for transparent parts of images"); 37 </script>