summaryrefslogtreecommitdiffstats
path: root/testing/web-platform/tests/html/canvas/offscreen/line-styles/2d.line.width.basic.worker.js
blob: 012d9b11bd7989e0bfb8dbc3af975258004104d6 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
// 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();