2d.path.arcTo.collinear.3.worker.js (1140B)
1 // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. 2 // OffscreenCanvas test in a worker:2d.path.arcTo.collinear.3 3 // Description:arcTo() with all points on a line, and P0 between P1/P2, draws a straight line to P1 4 // Note: 5 6 importScripts("/resources/testharness.js"); 7 importScripts("/html/canvas/resources/canvas-tests.js"); 8 9 var t = async_test("arcTo() with all points on a line, and P0 between P1/P2, draws a straight line to P1"); 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.lineWidth = 50; 22 23 ctx.strokeStyle = '#0f0'; 24 ctx.beginPath(); 25 ctx.moveTo(0, 25); 26 ctx.arcTo(100, 25, -100, 25, 1); 27 ctx.stroke(); 28 29 ctx.strokeStyle = '#f00'; 30 ctx.beginPath(); 31 ctx.moveTo(100, 25); 32 ctx.arcTo(200, 25, 0, 25, 1); 33 ctx.stroke(); 34 35 ctx.beginPath(); 36 ctx.moveTo(-100, 25); 37 ctx.arcTo(0, 25, -200, 25, 1); 38 ctx.stroke(); 39 40 _assertPixel(canvas, 50,25, 0,255,0,255); 41 t.done(); 42 }); 43 done();