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FLTK 1.3.2
Fl_Gl_Window.H
00001 //
00002 // "$Id: Fl_Gl_Window.H 8864 2011-07-19 04:49:30Z greg.ercolano $"
00003 //
00004 // OpenGL header file for the Fast Light Tool Kit (FLTK).
00005 //
00006 // Copyright 1998-2010 by Bill Spitzak and others.
00007 //
00008 // This library is free software. Distribution and use rights are outlined in
00009 // the file "COPYING" which should have been included with this file.  If this
00010 // file is missing or damaged, see the license at:
00011 //
00012 //     http://www.fltk.org/COPYING.php
00013 //
00014 // Please report all bugs and problems on the following page:
00015 //
00016 //     http://www.fltk.org/str.php
00017 //
00018 
00019 /* \file
00020    Fl_Gl_Window widget . */
00021 
00022 #ifndef Fl_Gl_Window_H
00023 #define Fl_Gl_Window_H
00024 
00025 #include "Fl_Window.H"
00026 
00027 #ifndef GLContext
00028 
00031 typedef void* GLContext; // actually a GLXContext or HGLDC
00032 #endif
00033 
00034 class Fl_Gl_Choice; // structure to hold result of glXChooseVisual
00035 
00056 class FL_EXPORT Fl_Gl_Window : public Fl_Window {
00057 
00058   int mode_;
00059   const int *alist;
00060   Fl_Gl_Choice *g;
00061   GLContext context_;
00062   char valid_f_;
00063   char damage1_; // damage() of back buffer
00064   virtual void draw_overlay();
00065   void init();
00066 
00067   void *overlay;
00068   void make_overlay();
00069   friend class _Fl_Gl_Overlay;
00070 
00071   static int can_do(int, const int *);
00072   int mode(int, const int *);
00073 
00074 public:
00075 
00076   void show();
00077   void show(int a, char **b) {Fl_Window::show(a,b);}
00078   void flush();
00079   void hide();
00080   void resize(int,int,int,int);
00081   int handle(int);
00082   
00107   char valid() const {return valid_f_ & 1;}
00111   void valid(char v) {if (v) valid_f_ |= 1; else valid_f_ &= 0xfe;}
00112   void invalidate();
00113 
00120   char context_valid() const {return valid_f_ & 2;}
00124   void context_valid(char v) {if (v) valid_f_ |= 2; else valid_f_ &= 0xfd;}
00125 
00127   static int can_do(int m) {return can_do(m,0);}
00129   static int can_do(const int *m) {return can_do(0, m);}
00131   int can_do() {return can_do(mode_,alist);}
00165   Fl_Mode mode() const {return (Fl_Mode)mode_;}
00167   int mode(int a) {return mode(a,0);}
00169   int mode(const int *a) {return mode(0, a);}
00171   void* context() const {return context_;}
00172   void context(void*, int destroy_flag = 0);
00173   void make_current();
00174   void swap_buffers();
00175   void ortho();
00176 
00182   int can_do_overlay();
00189   void redraw_overlay();
00190   void hide_overlay();
00198   void make_overlay_current();
00199 
00200   // Note: Doxygen docs in Fl_Widget.H to avoid redundancy.
00201   virtual Fl_Gl_Window* as_gl_window() {return this;}
00202   
00203   ~Fl_Gl_Window();
00208   Fl_Gl_Window(int W, int H, const char *l=0) : Fl_Window(W,H,l) {init();}
00215   Fl_Gl_Window(int X, int Y, int W, int H, const char *l=0)
00216     : Fl_Window(X,Y,W,H,l) {init();}
00217 
00218 protected:
00224   virtual void draw();
00225 };
00226 
00227 #endif
00228 
00229 //
00230 // End of "$Id: Fl_Gl_Window.H 8864 2011-07-19 04:49:30Z greg.ercolano $".
00231 //