| // DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py. |
| // OffscreenCanvas test in a worker:2d.line.width.basic |
| // Description:lineWidth determines the width of line strokes |
| // Note: |
| |
| importScripts("/resources/testharness.js"); |
| importScripts("/html/canvas/resources/canvas-tests.js"); |
| |
| var t = async_test("lineWidth determines the width of line strokes"); |
| var t_pass = t.done.bind(t); |
| var t_fail = t.step_func(function(reason) { |
| throw reason; |
| }); |
| t.step(function() { |
| |
| var canvas = new OffscreenCanvas(100, 50); |
| var ctx = canvas.getContext('2d'); |
| |
| ctx.fillStyle = '#0f0'; |
| ctx.fillRect(0, 0, 100, 50); |
| |
| ctx.lineWidth = 20; |
| // Draw a green line over a red box, to check the line is not too small |
| ctx.fillStyle = '#f00'; |
| ctx.strokeStyle = '#0f0'; |
| ctx.fillRect(15, 15, 20, 20); |
| ctx.beginPath(); |
| ctx.moveTo(25, 15); |
| ctx.lineTo(25, 35); |
| ctx.stroke(); |
| |
| // Draw a green box over a red line, to check the line is not too large |
| ctx.fillStyle = '#0f0'; |
| ctx.strokeStyle = '#f00'; |
| ctx.beginPath(); |
| ctx.moveTo(75, 15); |
| ctx.lineTo(75, 35); |
| ctx.stroke(); |
| ctx.fillRect(65, 15, 20, 20); |
| |
| _assertPixel(canvas, 14,25, 0,255,0,255); |
| _assertPixel(canvas, 15,25, 0,255,0,255); |
| _assertPixel(canvas, 16,25, 0,255,0,255); |
| _assertPixel(canvas, 25,25, 0,255,0,255); |
| _assertPixel(canvas, 34,25, 0,255,0,255); |
| _assertPixel(canvas, 35,25, 0,255,0,255); |
| _assertPixel(canvas, 36,25, 0,255,0,255); |
| |
| _assertPixel(canvas, 64,25, 0,255,0,255); |
| _assertPixel(canvas, 65,25, 0,255,0,255); |
| _assertPixel(canvas, 66,25, 0,255,0,255); |
| _assertPixel(canvas, 75,25, 0,255,0,255); |
| _assertPixel(canvas, 84,25, 0,255,0,255); |
| _assertPixel(canvas, 85,25, 0,255,0,255); |
| _assertPixel(canvas, 86,25, 0,255,0,255); |
| t.done(); |
| }); |
| done(); |