| // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. |
| // OffscreenCanvas test in a worker:2d.imageData.put.created |
| // Description:putImageData() puts image data from createImageData() onto the canvas |
| // Note: |
| |
| importScripts("/resources/testharness.js"); |
| importScripts("/html/canvas/resources/canvas-tests.js"); |
| |
| var t = async_test("putImageData() puts image data from createImageData() onto the canvas"); |
| 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'); |
| |
| var imgdata = ctx.createImageData(100, 50); |
| for (var i = 0; i < imgdata.data.length; i += 4) { |
| imgdata.data[i] = 0; |
| imgdata.data[i+1] = 255; |
| imgdata.data[i+2] = 0; |
| imgdata.data[i+3] = 255; |
| } |
| ctx.fillStyle = '#f00'; |
| ctx.fillRect(0, 0, 100, 50) |
| ctx.putImageData(imgdata, 0, 0); |
| _assertPixelApprox(canvas, 50,25, 0,255,0,255, 2); |
| t.done(); |
| }); |
| done(); |