//// "$Id: Fl_Double_Window.H 4288 2005-04-16 00:13:17Z mike $"//// Double-buffered window header file for the Fast Light Tool Kit (FLTK).//// Copyright 1998-2005 by Bill Spitzak and others.//// This library is free software; you can redistribute it and/or// modify it under the terms of the GNU Library General Public// License as published by the Free Software Foundation; either// version 2 of the License, or (at your option) any later version.//// This library is distributed in the hope that it will be useful,// but WITHOUT ANY WARRANTY; without even the implied warranty of// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU// Library General Public License for more details.//// You should have received a copy of the GNU Library General Public// License along with this library; if not, write to the Free Software// Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307// USA.//// Please report all bugs and problems on the following page:////     http://www.fltk.org/str.php//#ifndef Fl_Double_Window_H#define Fl_Double_Window_H#include "Fl_Window.H"class FL_EXPORT Fl_Double_Window : public Fl_Window {protected:  void flush(int eraseoverlay);  char force_doublebuffering_; // force db, even if the OS already buffers windows (overlays need that on MacOS and Windows2000)public:  void show();  void show(int a, char **b) {Fl_Window::show(a,b);}  void flush();  void resize(int,int,int,int);  void hide();  ~Fl_Double_Window();  Fl_Double_Window(int W, int H, const char *l = 0)     : Fl_Window(W,H,l), force_doublebuffering_(0) { type(FL_DOUBLE_WINDOW); }  Fl_Double_Window(int X, int Y, int W, int H, const char *l = 0)    : Fl_Window(X,Y,W,H,l), force_doublebuffering_(0) { type(FL_DOUBLE_WINDOW); }};#endif//// End of "$Id: Fl_Double_Window.H 4288 2005-04-16 00:13:17Z mike $".//