#ifndef  __FREEGLUT_EXT_H__#define  __FREEGLUT_EXT_H__/* * freeglut_ext.h * * The non-GLUT-compatible extensions to the freeglut library include file * * Copyright (c) 1999-2000 Pawel W. Olszta. All Rights Reserved. * Written by Pawel W. Olszta, <olszta@sourceforge.net> * Creation date: Thu Dec 2 1999 * * Permission is hereby granted, free of charge, to any person obtaining a * copy of this software and associated documentation files (the "Software"), * to deal in the Software without restriction, including without limitation * the rights to use, copy, modify, merge, publish, distribute, sublicense, * and/or sell copies of the Software, and to permit persons to whom the * Software is furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included * in all copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS * OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL * PAWEL W. OLSZTA BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */#ifdef __cplusplus    extern "C" {#endif/* * GLUT API Extension macro definitions -- behaviour when the user clicks on an "x" to close a window */#define GLUT_ACTION_EXIT                         0#define GLUT_ACTION_GLUTMAINLOOP_RETURNS         1#define GLUT_ACTION_CONTINUE_EXECUTION           2/* * Create a new rendering context when the user opens a new window? */#define GLUT_CREATE_NEW_CONTEXT                  0#define GLUT_USE_CURRENT_CONTEXT                 1/* * Direct/Indirect rendering context options (has meaning only in Unix/X11) */#define GLUT_FORCE_INDIRECT_CONTEXT              0#define GLUT_ALLOW_DIRECT_CONTEXT                1#define GLUT_TRY_DIRECT_CONTEXT                  2#define GLUT_FORCE_DIRECT_CONTEXT                3/* * GLUT API Extension macro definitions -- the glutGet parameters */#define  GLUT_ACTION_ON_WINDOW_CLOSE        0x01F9#define  GLUT_WINDOW_BORDER_WIDTH           0x01FA#define  GLUT_WINDOW_HEADER_HEIGHT          0x01FB#define  GLUT_VERSION                       0x01FC#define  GLUT_RENDERING_CONTEXT             0x01FD#define  GLUT_DIRECT_RENDERING              0x01FE/* * New tokens for glutInitDisplayMode. * Only one GLUT_AUXn bit may be used at a time. * Value 0x0400 is defined in OpenGLUT. */#define  GLUT_AUX1                          0x1000#define  GLUT_AUX2                          0x2000#define  GLUT_AUX3                          0x4000#define  GLUT_AUX4                          0x8000/* * Process loop function, see freeglut_main.c */FGAPI void    FGAPIENTRY glutMainLoopEvent( void );FGAPI void    FGAPIENTRY glutLeaveMainLoop( void );/* * Window-specific callback functions, see freeglut_callbacks.c */FGAPI void    FGAPIENTRY glutMouseWheelFunc( void (* callback)( int, int, int, int ) );FGAPI void    FGAPIENTRY glutCloseFunc( void (* callback)( void ) );FGAPI void    FGAPIENTRY glutWMCloseFunc( void (* callback)( void ) );/* A. Donev: Also a destruction callback for menus */FGAPI void    FGAPIENTRY glutMenuDestroyFunc( void (* callback)( void ) );/* * State setting and retrieval functions, see freeglut_state.c */FGAPI void    FGAPIENTRY glutSetOption ( GLenum option_flag, int value ) ;/* A.Donev: User-data manipulation */FGAPI void*   FGAPIENTRY glutGetWindowData( void );FGAPI void    FGAPIENTRY glutSetWindowData(void* data);FGAPI void*   FGAPIENTRY glutGetMenuData( void );FGAPI void    FGAPIENTRY glutSetMenuData(void* data);/* * Font stuff, see freeglut_font.c */FGAPI int     FGAPIENTRY glutBitmapHeight( void* font );FGAPI GLfloat FGAPIENTRY glutStrokeHeight( void* font );FGAPI void    FGAPIENTRY glutBitmapString( void* font, const unsigned char *string );FGAPI void    FGAPIENTRY glutStrokeString( void* font, const unsigned char *string );/* * Geometry functions, see freeglut_geometry.c */FGAPI void    FGAPIENTRY glutWireRhombicDodecahedron( void );FGAPI void    FGAPIENTRY glutSolidRhombicDodecahedron( void );FGAPI void    FGAPIENTRY glutWireSierpinskiSponge ( int num_levels, GLdouble offset[3], GLdouble scale ) ;FGAPI void    FGAPIENTRY glutSolidSierpinskiSponge ( int num_levels, GLdouble offset[3], GLdouble scale ) ;FGAPI void    FGAPIENTRY glutWireCylinder( GLdouble radius, GLdouble height, GLint slices, GLint stacks);FGAPI void    FGAPIENTRY glutSolidCylinder( GLdouble radius, GLdouble height, GLint slices, GLint stacks);/* * Extension functions, see freeglut_ext.c */typedef void (*GLUTproc)();FGAPI GLUTproc FGAPIENTRY glutGetProcAddress( const char *procName );#ifdef __cplusplus    }#endif/*** END OF FILE ***/#endif /* __FREEGLUT_EXT_H__ */