2d.path.arcTo.shape.curve2.worker.js (1640B)
1 // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. 2 // OffscreenCanvas test in a worker:2d.path.arcTo.shape.curve2 3 // Description:arcTo() curves in the right kind of shape 4 // Note: 5 6 importScripts("/resources/testharness.js"); 7 importScripts("/html/canvas/resources/canvas-tests.js"); 8 9 var t = async_test("arcTo() curves in the right kind of 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 var tol = 1.5; // tolerance to avoid antialiasing artifacts 20 21 ctx.fillStyle = '#0f0'; 22 ctx.fillRect(0, 0, 100, 50); 23 24 ctx.fillStyle = '#f00'; 25 ctx.beginPath(); 26 ctx.rect(10, 20, 45, 10); 27 ctx.moveTo(80, 45); 28 ctx.arc(55, 45, 25-tol, 0, -Math.PI/2, true); 29 ctx.arc(55, 45, 15+tol, -Math.PI/2, 0, false); 30 ctx.fill(); 31 32 ctx.strokeStyle = '#0f0'; 33 ctx.lineWidth = 10; 34 ctx.beginPath(); 35 ctx.moveTo(10, 25); 36 ctx.arcTo(75, 25, 75, 60, 20); 37 ctx.stroke(); 38 39 _assertPixel(canvas, 50,25, 0,255,0,255); 40 _assertPixel(canvas, 55,19, 0,255,0,255); 41 _assertPixel(canvas, 55,20, 0,255,0,255); 42 _assertPixel(canvas, 55,21, 0,255,0,255); 43 _assertPixel(canvas, 64,22, 0,255,0,255); 44 _assertPixel(canvas, 65,21, 0,255,0,255); 45 _assertPixel(canvas, 72,28, 0,255,0,255); 46 _assertPixel(canvas, 73,27, 0,255,0,255); 47 _assertPixel(canvas, 78,36, 0,255,0,255); 48 _assertPixel(canvas, 79,35, 0,255,0,255); 49 _assertPixel(canvas, 80,44, 0,255,0,255); 50 _assertPixel(canvas, 80,45, 0,255,0,255); 51 _assertPixel(canvas, 80,46, 0,255,0,255); 52 t.done(); 53 }); 54 done();