// DO NOT EDIT! This test has been generated by tools/gentest.py. // OffscreenCanvas test in a worker:2d.imageData.put.modified // Description:putImageData() puts modified image data correctly // Note: importScripts("/resources/testharness.js"); importScripts("/common/canvas-tests.js"); var t = async_test("putImageData() puts modified image data correctly"); t.step(function() { var offscreenCanvas = new OffscreenCanvas(100, 50); var ctx = offscreenCanvas.getContext('2d'); ctx.fillStyle = '#0f0'; ctx.fillRect(0, 0, 100, 50) ctx.fillStyle = '#f00'; ctx.fillRect(45, 20, 10, 10) var imgdata = ctx.getImageData(45, 20, 10, 10); for (var i = 0, len = imgdata.width*imgdata.height*4; i < len; i += 4) { imgdata.data[i] = 0; imgdata.data[i+1] = 255; } ctx.putImageData(imgdata, 45, 20); _assertPixelApprox(offscreenCanvas, 50,25, 0,255,0,255, "50,25", "0,255,0,255", 2); t.done(); }); done();