ui/file_manager/gallery/js/image_editor/test_util.js

   1 // Copyright 2014 The Chromium Authors. All rights reserved.
   2 // Use of this source code is governed by a BSD-style license that can be
   3 // found in the LICENSE file.
   4 'use strict';
   5
   6 /**
   7  * Creates a sample canvas.
   8  * @return {HTMLCanvasElement}
   9  */
  10 function getSampleCanvas() {
  11   var canvas = document.createElement('canvas');
  12   canvas.width = 1920;
  13   canvas.height = 1080;
  14
  15   var ctx = canvas.getContext('2d');
  16   ctx.fillStyle = '#000000';
  17   for (var i = 0; i < 10; i++) {
  18     ctx.fillRect(i * 30, i * 30, 20, 20);
  19   }
  20
  21   return canvas;
  22 }