2d.gradient.interpolate.overlap2.worker.js (1107B)
1 // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. 2 // OffscreenCanvas test in a worker:2d.gradient.interpolate.overlap2 3 // Description: 4 // Note: 5 6 importScripts("/resources/testharness.js"); 7 importScripts("/html/canvas/resources/canvas-tests.js"); 8 9 var t = async_test(""); 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 g = ctx.createLinearGradient(0, 0, 100, 0); 20 var ps = [ 0, 1/10, 1/4, 1/3, 1/2, 3/4, 1 ]; 21 for (var p = 0; p < ps.length; ++p) 22 { 23 g.addColorStop(ps[p], '#0f0'); 24 for (var i = 0; i < 15; ++i) 25 g.addColorStop(ps[p], '#f00'); 26 g.addColorStop(ps[p], '#0f0'); 27 } 28 ctx.fillStyle = g; 29 ctx.fillRect(0, 0, 100, 50); 30 _assertPixel(canvas, 1,25, 0,255,0,255); 31 _assertPixel(canvas, 30,25, 0,255,0,255); 32 _assertPixel(canvas, 40,25, 0,255,0,255); 33 _assertPixel(canvas, 60,25, 0,255,0,255); 34 _assertPixel(canvas, 80,25, 0,255,0,255); 35 t.done(); 36 }); 37 done();