package com.imt.intimamedia.helpers
{
	import com.hurlant.util.Base64;
	
	import flash.display.BitmapData;
	import flash.geom.Rectangle;
	import flash.utils.ByteArray;
	
	import mx.utils.Base64Decoder;
	import mx.utils.Base64Encoder;
	
	public class Base64Helper
	{
		public function Base64Helper()
		{
		}
		
		public static function convertToBase64( value : BitmapData ) : String
	    {
            if( !value )
                return null;

            var byteArray : ByteArray = value.getPixels(new Rectangle( 0, 0, value.width, value.height ));
			
			var encoder : Base64Encoder = new Base64Encoder();
			
			encoder.encodeBytes( byteArray, 0, byteArray.length );
			var base64data : String = encoder.flush();

            return base64data;
	    }
	    
	    public static function convertFromBase64( value : String, width : int, height : int ) : BitmapData
	    {
            if( !value )
                return null;

            var decoder : Base64Decoder = new Base64Decoder;
            decoder.decode( value );
                     
            var byteArray : ByteArray = decoder.toByteArray();
            byteArray.position = 0;
            
            var bitmapData : BitmapData = new BitmapData( width, height, true );
            bitmapData.setPixels(new Rectangle( 0, 0, width, height ), byteArray );
            
            return bitmapData;
	    }
	}
}