2d.imageData.put.cross.worker.js (990B)
1 // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. 2 // OffscreenCanvas test in a worker:2d.imageData.put.cross 3 // Description:putImageData() accepts image data got from a different canvas 4 // Note: 5 6 importScripts("/resources/testharness.js"); 7 importScripts("/html/canvas/resources/canvas-tests.js"); 8 9 var t = async_test("putImageData() accepts image data got from a different canvas"); 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 offscreenCanvas2 = new OffscreenCanvas(100, 50); 20 var ctx2 = offscreenCanvas2.getContext('2d'); 21 ctx2.fillStyle = '#0f0'; 22 ctx2.fillRect(0, 0, 100, 50) 23 var imgdata = ctx2.getImageData(0, 0, 100, 50); 24 ctx.fillStyle = '#f00'; 25 ctx.fillRect(0, 0, 100, 50) 26 ctx.putImageData(imgdata, 0, 0); 27 _assertPixelApprox(canvas, 50,25, 0,255,0,255, 2); 28 t.done(); 29 }); 30 done();