2d.shadow.image.transparent.2.worker.js (1033B)
1 // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. 2 // OffscreenCanvas test in a worker:2d.shadow.image.transparent.2 3 // Description:Shadows are not drawn for transparent parts of images 4 // Note: 5 6 importScripts("/resources/testharness.js"); 7 importScripts("/html/canvas/resources/canvas-tests.js"); 8 9 promise_test(async t => { 10 var canvas = new OffscreenCanvas(100, 50); 11 var ctx = canvas.getContext('2d'); 12 13 ctx.fillStyle = '#0f0'; 14 ctx.fillRect(0, 0, 50, 50); 15 ctx.fillStyle = '#f00'; 16 ctx.fillRect(50, 0, 50, 50); 17 ctx.shadowOffsetY = 50; 18 ctx.shadowColor = '#0f0'; 19 var response = await fetch('/images/redtransparent.png') 20 var blob = await response.blob(); 21 var img = await createImageBitmap(blob); 22 ctx.drawImage(img, 50, -50); 23 ctx.shadowColor = '#f00'; 24 ctx.drawImage(img, -50, -50); 25 26 _assertPixel(canvas, 25,25, 0,255,0,255); 27 _assertPixel(canvas, 50,25, 0,255,0,255); 28 _assertPixel(canvas, 75,25, 0,255,0,255); 29 }, "Shadows are not drawn for transparent parts of images"); 30 done();