2d.composite.clip.clear.worker.js (893B)
1 // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. 2 // OffscreenCanvas test in a worker:2d.composite.clip.clear 3 // Description:fill() does not affect pixels outside the clip region. 4 // Note: 5 6 importScripts("/resources/testharness.js"); 7 importScripts("/html/canvas/resources/canvas-tests.js"); 8 9 var t = async_test("fill() does not affect pixels outside the clip region."); 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 ctx.fillStyle = 'rgba(0, 255, 0, 1)'; 20 ctx.fillRect(0, 0, 100, 50); 21 ctx.globalCompositeOperation = 'clear'; 22 ctx.rect(-20, -20, 10, 10); 23 ctx.clip(); 24 ctx.fillStyle = 'rgba(255, 0, 0, 1)'; 25 ctx.fillRect(0, 0, 50, 50); 26 _assertPixel(canvas, 50,25, 0,255,0,255); 27 t.done(); 28 }); 29 done();