2d.line.width.basic.worker.js (1779B)
1 // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. 2 // OffscreenCanvas test in a worker:2d.line.width.basic 3 // Description:lineWidth determines the width of line strokes 4 // Note: 5 6 importScripts("/resources/testharness.js"); 7 importScripts("/html/canvas/resources/canvas-tests.js"); 8 9 var t = async_test("lineWidth determines the width of line strokes"); 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 = '#0f0'; 20 ctx.fillRect(0, 0, 100, 50); 21 22 ctx.lineWidth = 20; 23 // Draw a green line over a red box, to check the line is not too small 24 ctx.fillStyle = '#f00'; 25 ctx.strokeStyle = '#0f0'; 26 ctx.fillRect(15, 15, 20, 20); 27 ctx.beginPath(); 28 ctx.moveTo(25, 15); 29 ctx.lineTo(25, 35); 30 ctx.stroke(); 31 32 // Draw a green box over a red line, to check the line is not too large 33 ctx.fillStyle = '#0f0'; 34 ctx.strokeStyle = '#f00'; 35 ctx.beginPath(); 36 ctx.moveTo(75, 15); 37 ctx.lineTo(75, 35); 38 ctx.stroke(); 39 ctx.fillRect(65, 15, 20, 20); 40 41 _assertPixel(canvas, 14,25, 0,255,0,255); 42 _assertPixel(canvas, 15,25, 0,255,0,255); 43 _assertPixel(canvas, 16,25, 0,255,0,255); 44 _assertPixel(canvas, 25,25, 0,255,0,255); 45 _assertPixel(canvas, 34,25, 0,255,0,255); 46 _assertPixel(canvas, 35,25, 0,255,0,255); 47 _assertPixel(canvas, 36,25, 0,255,0,255); 48 49 _assertPixel(canvas, 64,25, 0,255,0,255); 50 _assertPixel(canvas, 65,25, 0,255,0,255); 51 _assertPixel(canvas, 66,25, 0,255,0,255); 52 _assertPixel(canvas, 75,25, 0,255,0,255); 53 _assertPixel(canvas, 84,25, 0,255,0,255); 54 _assertPixel(canvas, 85,25, 0,255,0,255); 55 _assertPixel(canvas, 86,25, 0,255,0,255); 56 t.done(); 57 }); 58 done();