static void doBlit(SDL_Surface * mine, const int mx, const int my, const int width, const int height, const int wx, const int wy, const Bitmap & where ){
void Bitmap::Stretch( const Bitmap & where, const int sourceX, const int sourceY, const int sourceWidth, const int sourceHeight, const int destX, const int destY, const int destWidth, const int destHeight ) const {