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00001 /******************************************************************************** 00002 * * 00003 * G L C a n v a s W i n d o w W i d g e t * 00004 * * 00005 ********************************************************************************* 00006 * Copyright (C) 1997,2002 by Jeroen van der Zijp. All Rights Reserved. * 00007 ********************************************************************************* 00008 * This library is free software; you can redistribute it and/or * 00009 * modify it under the terms of the GNU Lesser General Public * 00010 * License as published by the Free Software Foundation; either * 00011 * version 2.1 of the License, or (at your option) any later version. * 00012 * * 00013 * This library is distributed in the hope that it will be useful, * 00014 * but WITHOUT ANY WARRANTY; without even the implied warranty of * 00015 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU * 00016 * Lesser General Public License for more details. * 00017 * * 00018 * You should have received a copy of the GNU Lesser General Public * 00019 * License along with this library; if not, write to the Free Software * 00020 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. * 00021 ********************************************************************************* 00022 * $Id: FXGLCanvas.h,v 1.24 2002/01/18 22:42:53 jeroen Exp $ * 00023 ********************************************************************************/ 00024 #ifndef FXGLCANVAS_H 00025 #define FXGLCANVAS_H 00026 00027 #ifndef FXCANVAS_H 00028 #include "FXCanvas.h" 00029 #endif 00030 00031 00032 00033 /// GLCanvas, an area drawn by another object 00034 class FXAPI FXGLCanvas : public FXCanvas { 00035 FXDECLARE(FXGLCanvas) 00036 private: 00037 FXGLCanvas *sgnext; // Share group next in share list 00038 FXGLCanvas *sgprev; // Share group previous in share list 00039 protected: 00040 void *ctx; // GL Context 00041 protected: 00042 FXGLCanvas(); 00043 private: 00044 FXGLCanvas(const FXGLCanvas&); 00045 FXGLCanvas &operator=(const FXGLCanvas&); 00046 #ifdef WIN32 00047 virtual const char* GetClass() const; 00048 #endif 00049 public: 00050 00051 /** 00052 * Construct an OpenGL-capable canvas, with its own private display list. 00053 */ 00054 FXGLCanvas(FXComposite* p,FXGLVisual *vis,FXObject* tgt=NULL,FXSelector sel=0,FXuint opts=0,FXint x=0,FXint y=0,FXint w=0,FXint h=0); 00055 00056 /** 00057 * Construct an OpenGL-capable canvas, sharing display 00058 * list with another GL canvas. This canvas becomes a member 00059 * of a display list share group. All members of the display 00060 * list share group have to have the same visual. 00061 */ 00062 FXGLCanvas(FXComposite* p,FXGLVisual *vis,FXGLCanvas* sharegroup,FXObject* tgt=NULL,FXSelector sel=0,FXuint opts=0,FXint x=0,FXint y=0,FXint w=0,FXint h=0); 00063 00064 /// Return TRUE if it is sharing display lists 00065 FXbool isShared() const; 00066 00067 /// Create all of the server-side resources for this window 00068 virtual void create(); 00069 00070 /// Detach the server-side resources for this window 00071 virtual void detach(); 00072 00073 /// Destroy the server-side resources for this window 00074 virtual void destroy(); 00075 00076 /// Make OpenGL context current prior to performing OpenGL commands 00077 virtual FXbool makeCurrent(); 00078 00079 /// Make OpenGL context non current 00080 virtual FXbool makeNonCurrent(); 00081 00082 /// Return TRUE if context is current 00083 virtual FXbool isCurrent() const; 00084 00085 /// Get GL context handle 00086 void* getContext() const { return ctx; } 00087 00088 /// Swap front and back buffer 00089 virtual void swapBuffers(); 00090 00091 /// Save object to stream 00092 virtual void save(FXStream& store) const; 00093 00094 /// Load object from stream 00095 virtual void load(FXStream& store); 00096 00097 /// Destructor 00098 virtual ~FXGLCanvas(); 00099 }; 00100 00101 00102 00103 #endif 00104