2d.path.stroke.skew.worker.js

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This WPT test may be referenced by the following Test IDs:
- /html/canvas/offscreen/path-objects/2d.path.stroke.skew.worker.html - WPT Dashboard Interop Dashboard

// DO NOT EDIT! This test has been generated by /html/canvas/tools/gentest.py.

// OffscreenCanvas test in a worker:2d.path.stroke.skew

// Description:Strokes lines are skewed by the current transformation matrix

// Note:

importScripts("/resources/testharness.js");

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

var t = async_test("Strokes lines are skewed 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.save();

  ctx.beginPath();

  ctx.moveTo(49, -50);

  ctx.lineTo(201, -50);

  ctx.rotate(Math.PI/4);

  ctx.scale(1, 283);

  ctx.strokeStyle = '#0f0';

  ctx.stroke();

  ctx.restore();

  ctx.save();

  ctx.beginPath();

  ctx.translate(-150, 0);

  ctx.moveTo(49, -50);

  ctx.lineTo(199, -50);

  ctx.rotate(Math.PI/4);

  ctx.scale(1, 142);

  ctx.strokeStyle = '#f00';

  ctx.stroke();

  ctx.restore();

  ctx.save();

  ctx.beginPath();

  ctx.translate(-150, 0);

  ctx.moveTo(49, -50);

  ctx.lineTo(199, -50);

  ctx.rotate(Math.PI/4);

  ctx.scale(1, 142);

  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();