chromium/third_party/blink/web_tests/external/wpt/html/canvas/offscreen/path-objects/2d.path.stroke.scale2.worker.js

// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py.
// OffscreenCanvas test in a worker:2d.path.stroke.scale2
// Description:Stroke line widths are scaled by the current transformation matrix
// Note:

importScripts("/resources/testharness.js");
importScripts("/html/canvas/resources/canvas-tests.js");

var t = async_test("Stroke line widths are scaled by the current transformation matrix");
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 = '#f00';
  ctx.fillRect(0, 0, 100, 50);

  ctx.beginPath();
  ctx.rect(25, 12.5, 50, 25);
  ctx.save();
  ctx.rotate(Math.PI/2);
  ctx.scale(25, 50);
  ctx.strokeStyle = '#0f0';
  ctx.stroke();
  ctx.restore();

  ctx.beginPath();
  ctx.rect(-25, -12.5, 150, 75);
  ctx.save();
  ctx.rotate(Math.PI/2);
  ctx.scale(25, 50);
  ctx.strokeStyle = '#f00';
  ctx.stroke();
  ctx.restore();

  _assertPixel(canvas, 0,0, 0,255,0,255);
  _assertPixel(canvas, 50,0, 0,255,0,255);
  _assertPixel(canvas, 99,0, 0,255,0,255);
  _assertPixel(canvas, 0,25, 0,255,0,255);
  _assertPixel(canvas, 50,25, 0,255,0,255);
  _assertPixel(canvas, 99,25, 0,255,0,255);
  _assertPixel(canvas, 0,49, 0,255,0,255);
  _assertPixel(canvas, 50,49, 0,255,0,255);
  _assertPixel(canvas, 99,49, 0,255,0,255);
  t.done();
});
done();