text: /**
   * Hilo
   * Copyright 2015 alibaba.com
   * Licensed under the MIT License
   */
  
  /**
   * @language=en
   * <iframe src='../../../examples/Bitmap.html?noHeader' width = '300' height = '200' scrolling='no'></iframe>
   * <br/>
   * Example:
   * <pre>
   * var bmp = new Hilo.Bitmap({image:imgElem, rect:[0, 0, 100, 100]});
   * stage.addChild(bmp);
   * </pre>
   * @class Bitmap
   * @augments View
   * @param {Object} properties the options of create Instance.It can contains all writable property and Moreover：
   * <ul>
   * <li><b>image</b> - the image of bitmap which contained, required.</li>
   * <li><b>rect</b> - the range of bitmap in the image, option</li>
   * <li><b>crossOrigin</b> - Whether cross-domain is needed, default is false</li>
   * </ul>
   * @module hilo/view/Bitmap
   * @requires hilo/core/Hilo
   * @requires hilo/core/Class
   * @requires hilo/view/View
   * @requires hilo/view/Drawable
   */
  /**
   * @language=zh
   * <iframe src='../../../examples/Bitmap.html?noHeader' width = '300' height = '200' scrolling='no'></iframe>
   * <br/>
   * 使用示例:
   * <pre>
   * var bmp = new Hilo.Bitmap({image:imgElem, rect:[0, 0, 100, 100]});
   * stage.addChild(bmp);
   * </pre>
   * @class Bitmap类表示位图图像类。
   * @augments View
   * @param {Object} properties 创建对象的属性参数。可包含此类所有可写属性。此外还包括：
   * <ul>
   * <li><b>image</b> - 位图所在的图像image。必需。</li>
   * <li><b>rect</b> - 位图在图像image中矩形区域。可选。</li>
   * <li><b>crossOrigin</b> - 是否设置crossOrigin。默认否。</li>
   * </ul>
   * @module hilo/view/Bitmap
   * @requires hilo/core/Hilo
   * @requires hilo/core/Class
   * @requires hilo/view/View
   * @requires hilo/view/Drawable
   */
   var Bitmap = Class.create(/** @lends Bitmap.prototype */{
      Extends: View,
      constructor: function(properties){
          properties = properties || {};
          this.id = this.id || properties.id || Hilo.getUid("Bitmap");
          Bitmap.superclass.constructor.call(this, properties);
  
          this.drawable = new Drawable(properties);
  
          //init width and height
          if(!this.width || !this.height){
              var rect = this.drawable.rect;
              if(rect){
                  this.width = rect[2];
                  this.height = rect[3];
              }
          }
      },
  
      /**
       * @language=en
       * set the image。
       * @param {Image|String} Image Object or URL.
       * @param {Array} rect the range of bitmap in the image, option.
       * @param {Boolean} crossOrigin Whether cross-domain is needed, default is false.
       * @returns {Bitmap} self。
       */
      /**
       * @language=zh
       * 设置位图的图片。
       * @param {Image|String} image 图片对象或地址。
       * @param {Array} rect 指定位图在图片image的矩形区域。可选。
       * @param {Boolean} crossOrigin 是否设置 crossOrigin，默认否。
       * @returns {Bitmap} 位图本身。
       */
      setImage: function(image, rect, crossOrigin){
          this.drawable.init({image:image, rect:rect, crossOrigin:crossOrigin});
          if(rect){
              this.width = rect[2];
              this.height = rect[3];
          }
          else if(!this.width && !this.height){
              rect = this.drawable.rect;
              if(rect){
                  this.width = rect[2];
                  this.height = rect[3];
              }
          }
          return this;
      }
   });
  