// META: timeout=long // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. // OffscreenCanvas test in a worker:2d.drawImage.composite // Description: // Note: importScripts("/resources/testharness.js"); importScripts("/html/canvas/resources/canvas-tests.js"); var t = async_test(""); 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'); ctx.fillStyle = '#0f0'; ctx.fillRect(0, 0, 100, 50); ctx.globalCompositeOperation = 'destination-over'; var promise = new Promise(function(resolve, reject) { var xhr = new XMLHttpRequest(); xhr.open("GET", '/images/red.png'); xhr.responseType = 'blob'; xhr.send(); xhr.onload = function() { resolve(xhr.response); }; }); promise.then(function(response) { createImageBitmap(response).then(bitmap => { ctx.drawImage(bitmap, 0, 0); _assertPixelApprox(canvas, 50,25, 0,255,0,255, 2); }, t_fail); }).then(t_pass, t_fail); }); done();