public DrawGroupSprite(ushort type, uint flags, PixelOffset spriteOffset, WorldOffset objectOffset, SpriteFrame frame)
        {
            m_Type         = type;
            m_Flags        = flags;
            m_SpriteOffset = spriteOffset;
            m_ObjectOffset = objectOffset;
            m_Sprite       = frame;

            m_Bitmap = (Bitmap)frame.BitmapData.BitMap.Clone();
            if ((m_Flags & 0x1) == 0x1)
            {
                m_Bitmap.RotateFlip(RotateFlipType.RotateNoneFlipX);
            }
        }
        public DrawGroupSprite(ushort type, uint flags, PixelOffset spriteOffset, WorldOffset objectOffset, SpriteFrame frame)
        {
            m_Type = type;
            m_Flags = flags;
            m_SpriteOffset = spriteOffset;
            m_ObjectOffset = objectOffset;
            m_Sprite = frame;

            m_Bitmap = (Bitmap)frame.BitmapData.BitMap.Clone();
            if ((m_Flags & 0x1) == 0x1)
            {
                m_Bitmap.RotateFlip(RotateFlipType.RotateNoneFlipX);
            }
        }