AssetUtil

/**
 * Copyright lilliliililiiliililiilil ( http://wonderfl.net/user/lilliliililiiliililiilil )
 * MIT License ( http://www.opensource.org/licenses/mit-license.php )
 * Downloaded from: http://wonderfl.net/c/ynso
 */

package {
    import flash.display.Bitmap;
    import flash.events.Event;
    import flash.display.Sprite;
    public class FlashTest extends Sprite {
        public function FlashTest() {
            // write as3 code here..
            var bitmapAsset:BitmapAsset = new BitmapAsset()
            var bitmap:Bitmap = new Bitmap()
            bitmapAsset.target(bitmap).fromBase64(base64)
            addChild(  bitmap  )
        }
        private const base64:String = "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"
    }
}
  import flash.display.Bitmap;
  import flash.display.BitmapData;
  import flash.display.Loader;
  import flash.events.Event;
  import mx.utils.Base64Decoder;
  class BitmapAsset
  {
    public function BitmapAsset(){}
    private var _target:Bitmap
    private var bitmap:Bitmap
    private var loader:Loader
    public function target(value:Bitmap=undefined):BitmapAsset{if(value){_target=value}return this}
    public function fromBase64(value:String):BitmapAsset{
      var decoderBase64:Base64Decoder = new Base64Decoder()    
          decoderBase64.reset()
          decoderBase64.decode(value)
      loader = new Loader()
      loader.contentLoaderInfo.addEventListener(Event.COMPLETE,_onLoaded)
      loader.loadBytes(decoderBase64.toByteArray())
      return this
    }
    public function fromClass(value:Class):BitmapAsset{
      return this
    }
    //public function toBase64():String{
    //  encoderBase64.encode()
    //  return encoderBase64.toString()
    //}
    private function _onLoaded(event:Event):void{
      _target.bitmapData = Bitmap(loader.content).bitmapData  // replace
      loader = null
    }
  }