2d.path.arc.scale.2.worker.js (1186B)
1 // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. 2 // OffscreenCanvas test in a worker:2d.path.arc.scale.2 3 // Description:Highly scaled arcs are the right shape 4 // Note: 5 6 importScripts("/resources/testharness.js"); 7 importScripts("/html/canvas/resources/canvas-tests.js"); 8 9 var t = async_test("Highly scaled arcs are the right shape"); 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 = '#f00'; 20 ctx.fillRect(0, 0, 100, 50); 21 ctx.scale(100, 100); 22 ctx.strokeStyle = '#0f0'; 23 ctx.lineWidth = 1.2; 24 ctx.beginPath(); 25 ctx.arc(0, 0, 0.6, 0, Math.PI/2, false); 26 ctx.stroke(); 27 28 _assertPixel(canvas, 1,1, 0,255,0,255); 29 _assertPixel(canvas, 50,1, 0,255,0,255); 30 _assertPixel(canvas, 98,1, 0,255,0,255); 31 _assertPixel(canvas, 1,25, 0,255,0,255); 32 _assertPixel(canvas, 50,25, 0,255,0,255); 33 _assertPixel(canvas, 98,25, 0,255,0,255); 34 _assertPixel(canvas, 1,48, 0,255,0,255); 35 _assertPixel(canvas, 50,48, 0,255,0,255); 36 _assertPixel(canvas, 98,48, 0,255,0,255); 37 t.done(); 38 }); 39 done();