| // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. |
| // OffscreenCanvas test in a worker:2d.gradient.conic.negative.rotation |
| // Description:Conic gradient with negative rotation |
| // Note: |
| |
| importScripts("/resources/testharness.js"); |
| importScripts("/html/canvas/resources/canvas-tests.js"); |
| |
| var t = async_test("Conic gradient with negative rotation"); |
| var t_pass = t.done.bind(t); |
| var t_fail = t.step_func(function(reason) { |
| throw reason; |
| }); |
| t.step(function() { |
| |
| var canvas = new OffscreenCanvas(100, 50); |
| var ctx = canvas.getContext('2d'); |
| |
| const g = ctx.createConicGradient(-Math.PI/2, 50, 25); |
| // It's red in the upper right region and green on the lower left region |
| g.addColorStop(0, "#f00"); |
| g.addColorStop(0.25, "#0f0"); |
| g.addColorStop(0.50, "#0f0"); |
| g.addColorStop(0.75, "#f00"); |
| ctx.fillStyle = g; |
| ctx.fillRect(0, 0, 100, 50); |
| _assertPixelApprox(canvas, 25,15, 255,0,0,255, 3); |
| _assertPixelApprox(canvas, 75,40, 0,255,0,255, 3); |
| t.done(); |
| |
| }); |
| done(); |