2d.shadow.gradient.alpha.worker.js (1034B)
1 // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. 2 // OffscreenCanvas test in a worker:2d.shadow.gradient.alpha 3 // Description:Shadows are drawn correctly for partially-transparent gradient fills 4 // Note: 5 6 importScripts("/resources/testharness.js"); 7 importScripts("/html/canvas/resources/canvas-tests.js"); 8 9 var t = async_test("Shadows are drawn correctly for partially-transparent gradient fills"); 10 var t_pass = t.done.bind(t); 11 var t_fail = t.step_func(function(reason) { 12 throw reason; 13 }); 14 t.step(function() { 15 16 var canvas = new OffscreenCanvas(100, 50); 17 var ctx = canvas.getContext('2d'); 18 19 var gradient = ctx.createLinearGradient(0, 0, 100, 0); 20 gradient.addColorStop(0, 'rgba(255,0,0,0.5)'); 21 gradient.addColorStop(1, 'rgba(255,0,0,0.5)'); 22 ctx.fillStyle = '#f00'; 23 ctx.fillRect(0, 0, 100, 50); 24 ctx.shadowOffsetY = 50; 25 ctx.shadowColor = '#00f'; 26 ctx.fillStyle = gradient; 27 ctx.fillRect(0, -50, 100, 50); 28 29 _assertPixelApprox(canvas, 50,25, 127,0,127,255, 2); 30 t.done(); 31 }); 32 done();