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//
// "$Id: Fl_Gl_Window.H,v 1.7.2.5.2.1 2002/01/01 15:11:27 easysw Exp $"
//
// OpenGL header file for the Fast Light Tool Kit (FLTK).
//
// Copyright 1998-2002 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 to "fltk-bugs@fltk.org".
//
#ifndef Fl_Gl_Window_H
#define Fl_Gl_Window_H
#include "Fl_Window.H"
#ifndef GLContext
typedef void* GLContext; // actually a GLXContext or HGLDC
#endif
class Fl_Gl_Choice; // structure to hold result of glXChooseVisual
class Fl_Gl_Window : public Fl_Window {
int mode_;
const int *alist;
Fl_Gl_Choice *g;
GLContext context_;
char valid_;
char damage1_; // damage() of back buffer
virtual FL_EXPORT void draw_overlay();
FL_EXPORT void init();
void *overlay;
FL_EXPORT void make_overlay();
friend class _Fl_Gl_Overlay;
static FL_EXPORT int can_do(int, const int *);
FL_EXPORT int mode(int, const int *);
public:
FL_EXPORT void show();
void show(int a, char **b) {Fl_Window::show(a,b);}
FL_EXPORT void flush();
FL_EXPORT void hide();
FL_EXPORT void resize(int,int,int,int);
char valid() const {return valid_;}
void valid(char i) {valid_ = i;}
FL_EXPORT void invalidate();
static int can_do(int i) {return can_do(i,0);}
static int can_do(const int *i) {return can_do(0, i);}
int can_do() {return can_do(mode_,alist);}
Fl_Mode mode() const {return (Fl_Mode)mode_;}
int mode(int a) {return mode(a,0);}
int mode(const int *a) {return mode(0, a);}
void* context() const {return context_;}
FL_EXPORT void context(void*, int destroy_flag = 0);
FL_EXPORT void make_current();
FL_EXPORT void swap_buffers();
FL_EXPORT void ortho();
FL_EXPORT int can_do_overlay();
FL_EXPORT void redraw_overlay();
FL_EXPORT void hide_overlay();
FL_EXPORT void make_overlay_current();
FL_EXPORT ~Fl_Gl_Window();
Fl_Gl_Window(int W, int H, const char *l=0) : Fl_Window(W,H,l) {init();}
Fl_Gl_Window(int X, int Y, int W, int H, const char *l=0)
: Fl_Window(X,Y,W,H,l) {init();}
};
#endif
//
// End of "$Id: Fl_Gl_Window.H,v 1.7.2.5.2.1 2002/01/01 15:11:27 easysw Exp $".
//
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