text: /* +------------------------------------------------------------------------+
     |                     Mobile Robot Programming Toolkit (MRPT)            |
     |                          http://www.mrpt.org/                          |
     |                                                                        |
     | Copyright (c) 2005-2018, Individual contributors, see AUTHORS file     |
     | See: http://www.mrpt.org/Authors - All rights reserved.                |
     | Released under BSD License. See details in http://www.mrpt.org/License |
     +------------------------------------------------------------------------+ */
  #pragma once
  
  /*
   * freeglut_std.h
   *
   * The GLUT-compatible part of 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
  
  /*
   * Under windows, we have to differentiate between static and dynamic libraries
   */
  #if defined(_MSC_VER) || defined(__CYGWIN__) || defined(__MINGW32__)
  
  /* #pragma may not be supported by some compilers.
   * Discussion by FreeGLUT developers suggests that
   * Visual C++ specific code involving pragmas may
   * need to move to a separate header.  24th Dec 2003
   */
  
  #   define WIN32_LEAN_AND_MEAN
  #   define NO_MIN_MAX
  #    include <windows.h>
  #   undef min
  #   undef max
  
  /* MOD JLBC FOR MRPT */
  #include <mrpt/config.h>
  #ifndef MRPT_BUILT_AS_DLL
  #	define FREEGLUT_STATIC
  #endif
  
  /* Windows static library */
  #   ifdef FREEGLUT_STATIC
  
  #    define FGAPI
  #    define FGAPIENTRY
  
          /* Link with Win32 static freeglut lib */
  #       if defined(_MSC_VER)
  /* MODIFIED FOR MRPT,  JLBC
  #           pragma comment (lib, "freeglut_static.lib") */
  #       endif
  
  /* Windows shared library (DLL) */
  #   else
  
  #        if defined(FREEGLUT_EXPORTS)
  #                define FGAPI __declspec(dllexport)
  #        else
  #                define FGAPI __declspec(dllimport)
  
              /* link with Win32 shared freeglut lib */
  #           if defined(_MSC_VER)
  /* MODIFIED FOR MRPT,  JLBC
  #               ifndef _WIN32_WCE
  #                   pragma comment (lib, "freeglut.lib")
  #               endif*/
  #        endif
  
  #       endif
  
  #       define FGAPIENTRY __stdcall
  
  #   endif
  
  /* Drag in other Windows libraries as required by FreeGLUT */
  #   if defined(_MSC_VER)
  #       ifndef _WIN32_WCE
  #           pragma comment (lib, "winmm.lib")    /* link Windows MultiMedia lib */
  #           pragma comment (lib, "user32.lib")   /* link Windows user lib       */
  #           pragma comment (lib, "gdi32.lib")    /* link Windows GDI lib        */
  #           pragma comment (lib, "opengl32.lib") /* link Microsoft OpenGL lib   */
  #           pragma comment (lib, "glu32.lib")    /* link OpenGL Utility lib     */
  #       endif /* _WIN32_WCE */
  #   endif
  
  #else
  
  /* Non-Windows definition of FGAPI and FGAPIENTRY  */
  #        define FGAPI
  #        define FGAPIENTRY
  
  #endif
  
  /*
   * The freeglut and GLUT API versions
   */
  #define  FREEGLUT             1
  #define  GLUT_API_VERSION     4
  #define  FREEGLUT_VERSION_2_0 1
  #define  GLUT_XLIB_IMPLEMENTATION 13
  
  /*
   * Always include OpenGL and GLU headers
   */
  #ifdef __APPLE__
  #	include <OpenGL/gl.h>
  #	include <OpenGL/glu.h>
  #else
  #	include <GL/gl.h>
  #	include <GL/glu.h>
  #endif
  
  /*
   * GLUT API macro definitions -- the special key codes:
   */
  #define  GLUT_KEY_F1                        0x0001
  #define  GLUT_KEY_F2                        0x0002
  #define  GLUT_KEY_F3                        0x0003
  #define  GLUT_KEY_F4                        0x0004
  #define  GLUT_KEY_F5                        0x0005
  #define  GLUT_KEY_F6                        0x0006
  #define  GLUT_KEY_F7                        0x0007
  #define  GLUT_KEY_F8                        0x0008
  #define  GLUT_KEY_F9                        0x0009
  #define  GLUT_KEY_F10                       0x000A
  #define  GLUT_KEY_F11                       0x000B
  #define  GLUT_KEY_F12                       0x000C
  #define  GLUT_KEY_LEFT                      0x0064
  #define  GLUT_KEY_UP                        0x0065
  #define  GLUT_KEY_RIGHT                     0x0066
  #define  GLUT_KEY_DOWN                      0x0067
  #define  GLUT_KEY_PAGE_UP                   0x0068
  #define  GLUT_KEY_PAGE_DOWN                 0x0069
  #define  GLUT_KEY_HOME                      0x006A
  #define  GLUT_KEY_END                       0x006B
  #define  GLUT_KEY_INSERT                    0x006C
  
  /*
   * GLUT API macro definitions -- mouse state definitions
   */
  #define  GLUT_LEFT_BUTTON                   0x0000
  #define  GLUT_MIDDLE_BUTTON                 0x0001
  #define  GLUT_RIGHT_BUTTON                  0x0002
  #define  GLUT_DOWN                          0x0000
  #define  GLUT_UP                            0x0001
  #define  GLUT_LEFT                          0x0000
  #define  GLUT_ENTERED                       0x0001
  
  /*
   * GLUT API macro definitions -- the display mode definitions
   */
  #define  GLUT_RGB                           0x0000
  #define  GLUT_RGBA                          0x0000
  #define  GLUT_INDEX                         0x0001
  #define  GLUT_SINGLE                        0x0000
  #define  GLUT_DOUBLE                        0x0002
  #define  GLUT_ACCUM                         0x0004
  #define  GLUT_ALPHA                         0x0008
  #define  GLUT_DEPTH                         0x0010
  #define  GLUT_STENCIL                       0x0020
  #define  GLUT_MULTISAMPLE                   0x0080
  #define  GLUT_STEREO                        0x0100
  #define  GLUT_LUMINANCE                     0x0200
  
  /*
   * GLUT API macro definitions -- windows and menu related definitions
   */
  #define  GLUT_MENU_NOT_IN_USE               0x0000
  #define  GLUT_MENU_IN_USE                   0x0001
  #define  GLUT_NOT_VISIBLE                   0x0000
  #define  GLUT_VISIBLE                       0x0001
  #define  GLUT_HIDDEN                        0x0000
  #define  GLUT_FULLY_RETAINED                0x0001
  #define  GLUT_PARTIALLY_RETAINED            0x0002
  #define  GLUT_FULLY_COVERED                 0x0003
  
  /*
   * GLUT API macro definitions -- fonts definitions
   *
   * Steve Baker suggested to make it binary compatible with GLUT:
   */
  #if defined(_MSC_VER) || defined(__CYGWIN__) || defined(__MINGW32__)
  #   define  GLUT_STROKE_ROMAN               ((void *)0x0000)
  #   define  GLUT_STROKE_MONO_ROMAN          ((void *)0x0001)
  #   define  GLUT_BITMAP_9_BY_15             ((void *)0x0002)
  #   define  GLUT_BITMAP_8_BY_13             ((void *)0x0003)
  #   define  GLUT_BITMAP_TIMES_ROMAN_10      ((void *)0x0004)
  #   define  GLUT_BITMAP_TIMES_ROMAN_24      ((void *)0x0005)
  #   define  GLUT_BITMAP_HELVETICA_10        ((void *)0x0006)
  #   define  GLUT_BITMAP_HELVETICA_12        ((void *)0x0007)
  #   define  GLUT_BITMAP_HELVETICA_18        ((void *)0x0008)
  #else
      /*
       * I don't really know if it's a good idea... But here it goes:
       */
      extern void* glutStrokeRoman;
      extern void* glutStrokeMonoRoman;
      extern void* glutBitmap9By15;
      extern void* glutBitmap8By13;
      extern void* glutBitmapTimesRoman10;
      extern void* glutBitmapTimesRoman24;
      extern void* glutBitmapHelvetica10;
      extern void* glutBitmapHelvetica12;
      extern void* glutBitmapHelvetica18;
  
      /*
       * Those pointers will be used by following definitions:
       */
  #   define  GLUT_STROKE_ROMAN               ((void *) &glutStrokeRoman)
  #   define  GLUT_STROKE_MONO_ROMAN          ((void *) &glutStrokeMonoRoman)
  #   define  GLUT_BITMAP_9_BY_15             ((void *) &glutBitmap9By15)
  #   define  GLUT_BITMAP_8_BY_13             ((void *) &glutBitmap8By13)
  #   define  GLUT_BITMAP_TIMES_ROMAN_10      ((void *) &glutBitmapTimesRoman10)
  #   define  GLUT_BITMAP_TIMES_ROMAN_24      ((void *) &glutBitmapTimesRoman24)
  #   define  GLUT_BITMAP_HELVETICA_10        ((void *) &glutBitmapHelvetica10)
  #   define  GLUT_BITMAP_HELVETICA_12        ((void *) &glutBitmapHelvetica12)
  #   define  GLUT_BITMAP_HELVETICA_18        ((void *) &glutBitmapHelvetica18)
  #endif
  
  /*
   * GLUT API macro definitions -- the glutGet parameters
   */
  #define  GLUT_WINDOW_X                      0x0064
  #define  GLUT_WINDOW_Y                      0x0065
  #define  GLUT_WINDOW_WIDTH                  0x0066
  #define  GLUT_WINDOW_HEIGHT                 0x0067
  #define  GLUT_WINDOW_BUFFER_SIZE            0x0068
  #define  GLUT_WINDOW_STENCIL_SIZE           0x0069
  #define  GLUT_WINDOW_DEPTH_SIZE             0x006A
  #define  GLUT_WINDOW_RED_SIZE               0x006B
  #define  GLUT_WINDOW_GREEN_SIZE             0x006C
  #define  GLUT_WINDOW_BLUE_SIZE              0x006D
  #define  GLUT_WINDOW_ALPHA_SIZE             0x006E
  #define  GLUT_WINDOW_ACCUM_RED_SIZE         0x006F
  #define  GLUT_WINDOW_ACCUM_GREEN_SIZE       0x0070
  #define  GLUT_WINDOW_ACCUM_BLUE_SIZE        0x0071
  #define  GLUT_WINDOW_ACCUM_ALPHA_SIZE       0x0072
  #define  GLUT_WINDOW_DOUBLEBUFFER           0x0073
  #define  GLUT_WINDOW_RGBA                   0x0074
  #define  GLUT_WINDOW_PARENT                 0x0075
  #define  GLUT_WINDOW_NUM_CHILDREN           0x0076
  #define  GLUT_WINDOW_COLORMAP_SIZE          0x0077
  #define  GLUT_WINDOW_NUM_SAMPLES            0x0078
  #define  GLUT_WINDOW_STEREO                 0x0079
  #define  GLUT_WINDOW_CURSOR                 0x007A
  
  #define  GLUT_SCREEN_WIDTH                  0x00C8
  #define  GLUT_SCREEN_HEIGHT                 0x00C9
  #define  GLUT_SCREEN_WIDTH_MM               0x00CA
  #define  GLUT_SCREEN_HEIGHT_MM              0x00CB
  #define  GLUT_MENU_NUM_ITEMS                0x012C
  #define  GLUT_DISPLAY_MODE_POSSIBLE         0x0190
  #define  GLUT_INIT_WINDOW_X                 0x01F4
  #define  GLUT_INIT_WINDOW_Y                 0x01F5
  #define  GLUT_INIT_WINDOW_WIDTH             0x01F6
  #define  GLUT_INIT_WINDOW_HEIGHT            0x01F7
  #define  GLUT_INIT_DISPLAY_MODE             0x01F8
  #define  GLUT_ELAPSED_TIME                  0x02BC
  #define  GLUT_WINDOW_FORMAT_ID              0x007B
  #define  GLUT_INIT_STATE                    0x007C
  
  /*
   * GLUT API macro definitions -- the glutDeviceGet parameters
   */
  #define  GLUT_HAS_KEYBOARD                  0x0258
  #define  GLUT_HAS_MOUSE                     0x0259
  #define  GLUT_HAS_SPACEBALL                 0x025A
  #define  GLUT_HAS_DIAL_AND_BUTTON_BOX       0x025B
  #define  GLUT_HAS_TABLET                    0x025C
  #define  GLUT_NUM_MOUSE_BUTTONS             0x025D
  #define  GLUT_NUM_SPACEBALL_BUTTONS         0x025E
  #define  GLUT_NUM_BUTTON_BOX_BUTTONS        0x025F
  #define  GLUT_NUM_DIALS                     0x0260
  #define  GLUT_NUM_TABLET_BUTTONS            0x0261
  #define  GLUT_DEVICE_IGNORE_KEY_REPEAT      0x0262
  #define  GLUT_DEVICE_KEY_REPEAT             0x0263
  #define  GLUT_HAS_JOYSTICK                  0x0264
  #define  GLUT_OWNS_JOYSTICK                 0x0265
  #define  GLUT_JOYSTICK_BUTTONS              0x0266
  #define  GLUT_JOYSTICK_AXES                 0x0267
  #define  GLUT_JOYSTICK_POLL_RATE            0x0268
  
  /*
   * GLUT API macro definitions -- the glutLayerGet parameters
   */
  #define  GLUT_OVERLAY_POSSIBLE              0x0320
  #define  GLUT_LAYER_IN_USE                  0x0321
  #define  GLUT_HAS_OVERLAY                   0x0322
  #define  GLUT_TRANSPARENT_INDEX             0x0323
  #define  GLUT_NORMAL_DAMAGED                0x0324
  #define  GLUT_OVERLAY_DAMAGED               0x0325
  
  /*
   * GLUT API macro definitions -- the glutVideoResizeGet parameters
   */
  #define  GLUT_VIDEO_RESIZE_POSSIBLE         0x0384
  #define  GLUT_VIDEO_RESIZE_IN_USE           0x0385
  #define  GLUT_VIDEO_RESIZE_X_DELTA          0x0386
  #define  GLUT_VIDEO_RESIZE_Y_DELTA          0x0387
  #define  GLUT_VIDEO_RESIZE_WIDTH_DELTA      0x0388
  #define  GLUT_VIDEO_RESIZE_HEIGHT_DELTA     0x0389
  #define  GLUT_VIDEO_RESIZE_X                0x038A
  #define  GLUT_VIDEO_RESIZE_Y                0x038B
  #define  GLUT_VIDEO_RESIZE_WIDTH            0x038C
  #define  GLUT_VIDEO_RESIZE_HEIGHT           0x038D
  
  /*
   * GLUT API macro definitions -- the glutUseLayer parameters
   */
  #define  GLUT_NORMAL                        0x0000
  #define  GLUT_OVERLAY                       0x0001
  
  /*
   * GLUT API macro definitions -- the glutGetModifiers parameters
   */
  #define  GLUT_ACTIVE_SHIFT                  0x0001
  #define  GLUT_ACTIVE_CTRL                   0x0002
  #define  GLUT_ACTIVE_ALT                    0x0004
  
  /*
   * GLUT API macro definitions -- the glutSetCursor parameters
   */
  #define  GLUT_CURSOR_RIGHT_ARROW            0x0000
  #define  GLUT_CURSOR_LEFT_ARROW             0x0001
  #define  GLUT_CURSOR_INFO                   0x0002
  #define  GLUT_CURSOR_DESTROY                0x0003
  #define  GLUT_CURSOR_HELP                   0x0004
  #define  GLUT_CURSOR_CYCLE                  0x0005
  #define  GLUT_CURSOR_SPRAY                  0x0006
  #define  GLUT_CURSOR_WAIT                   0x0007
  #define  GLUT_CURSOR_TEXT                   0x0008
  #define  GLUT_CURSOR_CROSSHAIR              0x0009
  #define  GLUT_CURSOR_UP_DOWN                0x000A
  #define  GLUT_CURSOR_LEFT_RIGHT             0x000B
  #define  GLUT_CURSOR_TOP_SIDE               0x000C
  #define  GLUT_CURSOR_BOTTOM_SIDE            0x000D
  #define  GLUT_CURSOR_LEFT_SIDE              0x000E
  #define  GLUT_CURSOR_RIGHT_SIDE             0x000F
  #define  GLUT_CURSOR_TOP_LEFT_CORNER        0x0010
  #define  GLUT_CURSOR_TOP_RIGHT_CORNER       0x0011
  #define  GLUT_CURSOR_BOTTOM_RIGHT_CORNER    0x0012
  #define  GLUT_CURSOR_BOTTOM_LEFT_CORNER     0x0013
  #define  GLUT_CURSOR_INHERIT                0x0064
  #define  GLUT_CURSOR_NONE                   0x0065
  #define  GLUT_CURSOR_FULL_CROSSHAIR         0x0066
  
  /*
   * GLUT API macro definitions -- RGB color component specification definitions
   */
  #define  GLUT_RED                           0x0000
  #define  GLUT_GREEN                         0x0001
  #define  GLUT_BLUE                          0x0002
  
  /*
   * GLUT API macro definitions -- additional keyboard and joystick definitions
   */
  #define  GLUT_KEY_REPEAT_OFF                0x0000
  #define  GLUT_KEY_REPEAT_ON                 0x0001
  #define  GLUT_KEY_REPEAT_DEFAULT            0x0002
  
  #define  GLUT_JOYSTICK_BUTTON_A             0x0001
  #define  GLUT_JOYSTICK_BUTTON_B             0x0002
  #define  GLUT_JOYSTICK_BUTTON_C             0x0004
  #define  GLUT_JOYSTICK_BUTTON_D             0x0008
  
  /*
   * GLUT API macro definitions -- game mode definitions
   */
  #define  GLUT_GAME_MODE_ACTIVE              0x0000
  #define  GLUT_GAME_MODE_POSSIBLE            0x0001
  #define  GLUT_GAME_MODE_WIDTH               0x0002
  #define  GLUT_GAME_MODE_HEIGHT              0x0003
  #define  GLUT_GAME_MODE_PIXEL_DEPTH         0x0004
  #define  GLUT_GAME_MODE_REFRESH_RATE        0x0005
  #define  GLUT_GAME_MODE_DISPLAY_CHANGED     0x0006
  
  /*
   * Initialization functions, see fglut_init.c
   */
  FGAPI void    FGAPIENTRY glutInit( int* pargc, char** argv );
  FGAPI void    FGAPIENTRY glutInitWindowPosition( int x, int y );
  FGAPI void    FGAPIENTRY glutInitWindowSize( int width, int height );
  FGAPI void    FGAPIENTRY glutInitDisplayMode( unsigned int displayMode );
  FGAPI void    FGAPIENTRY glutInitDisplayString( const char* displayMode );
  
  /*
   * Process loop function, see freeglut_main.c
   */
  FGAPI void    FGAPIENTRY glutMainLoop( void );
  
  /*
   * Window management functions, see freeglut_window.c
   */
  FGAPI int     FGAPIENTRY glutCreateWindow( const char* title );
  FGAPI int     FGAPIENTRY glutCreateSubWindow( int window, int x, int y, int width, int height );
  FGAPI void    FGAPIENTRY glutDestroyWindow( int window );
  FGAPI void    FGAPIENTRY glutSetWindow( int window );
  FGAPI int     FGAPIENTRY glutGetWindow( void );
  FGAPI void    FGAPIENTRY glutSetWindowTitle( const char* title );
  FGAPI void    FGAPIENTRY glutSetIconTitle( const char* title );
  FGAPI void    FGAPIENTRY glutReshapeWindow( int width, int height );
  FGAPI void    FGAPIENTRY glutPositionWindow( int x, int y );
  FGAPI void    FGAPIENTRY glutShowWindow( void );
  FGAPI void    FGAPIENTRY glutHideWindow( void );
  FGAPI void    FGAPIENTRY glutIconifyWindow( void );
  FGAPI void    FGAPIENTRY glutPushWindow( void );
  FGAPI void    FGAPIENTRY glutPopWindow( void );
  FGAPI void    FGAPIENTRY glutFullScreen( void );
  
  /*
   * Display-connected functions, see freeglut_display.c
   */
  FGAPI void    FGAPIENTRY glutPostWindowRedisplay( int window );
  FGAPI void    FGAPIENTRY glutPostRedisplay( void );
  FGAPI void    FGAPIENTRY glutSwapBuffers( void );
  
  /*
   * Mouse cursor functions, see freeglut_cursor.c
   */
  FGAPI void    FGAPIENTRY glutWarpPointer( int x, int y );
  FGAPI void    FGAPIENTRY glutSetCursor( int cursor );
  
  /*
   * Overlay stuff, see freeglut_overlay.c
   */
  FGAPI void    FGAPIENTRY glutEstablishOverlay( void );
  FGAPI void    FGAPIENTRY glutRemoveOverlay( void );
  FGAPI void    FGAPIENTRY glutUseLayer( GLenum layer );
  FGAPI void    FGAPIENTRY glutPostOverlayRedisplay( void );
  FGAPI void    FGAPIENTRY glutPostWindowOverlayRedisplay( int window );
  FGAPI void    FGAPIENTRY glutShowOverlay( void );
  FGAPI void    FGAPIENTRY glutHideOverlay( void );
  
  /*
   * Menu stuff, see freeglut_menu.c
   */
  FGAPI int     FGAPIENTRY glutCreateMenu( void (* callback)( int menu ) );
  FGAPI void    FGAPIENTRY glutDestroyMenu( int menu );
  FGAPI int     FGAPIENTRY glutGetMenu( void );
  FGAPI void    FGAPIENTRY glutSetMenu( int menu );
  FGAPI void    FGAPIENTRY glutAddMenuEntry( const char* label, int value );
  FGAPI void    FGAPIENTRY glutAddSubMenu( const char* label, int subMenu );
  FGAPI void    FGAPIENTRY glutChangeToMenuEntry( int item, const char* label, int value );
  FGAPI void    FGAPIENTRY glutChangeToSubMenu( int item, const char* label, int value );
  FGAPI void    FGAPIENTRY glutRemoveMenuItem( int item );
  FGAPI void    FGAPIENTRY glutAttachMenu( int button );
  FGAPI void    FGAPIENTRY glutDetachMenu( int button );
  
  /*
   * Global callback functions, see freeglut_callbacks.c
   */
  FGAPI void    FGAPIENTRY glutTimerFunc( unsigned int time, void (* callback)( int ), int value );
  FGAPI void    FGAPIENTRY glutIdleFunc( void (* callback)( void ) );
  
  /*
   * Window-specific callback functions, see freeglut_callbacks.c
   */
  FGAPI void    FGAPIENTRY glutKeyboardFunc( void (* callback)( unsigned char, int, int ) );
  FGAPI void    FGAPIENTRY glutSpecialFunc( void (* callback)( int, int, int ) );
  FGAPI void    FGAPIENTRY glutReshapeFunc( void (* callback)( int, int ) );
  FGAPI void    FGAPIENTRY glutVisibilityFunc( void (* callback)( int ) );
  FGAPI void    FGAPIENTRY glutDisplayFunc( void (* callback)( void ) );
  FGAPI void    FGAPIENTRY glutMouseFunc( void (* callback)( int, int, int, int ) );
  FGAPI void    FGAPIENTRY glutMotionFunc( void (* callback)( int, int ) );
  FGAPI void    FGAPIENTRY glutPassiveMotionFunc( void (* callback)( int, int ) );
  FGAPI void    FGAPIENTRY glutEntryFunc( void (* callback)( int ) );
  
  FGAPI void    FGAPIENTRY glutKeyboardUpFunc( void (* callback)( unsigned char, int, int ) );
  FGAPI void    FGAPIENTRY glutSpecialUpFunc( void (* callback)( int, int, int ) );
  FGAPI void    FGAPIENTRY glutJoystickFunc( void (* callback)( unsigned int, int, int, int ), int pollInterval );
  FGAPI void    FGAPIENTRY glutMenuStateFunc( void (* callback)( int ) );
  FGAPI void    FGAPIENTRY glutMenuStatusFunc( void (* callback)( int, int, int ) );
  FGAPI void    FGAPIENTRY glutOverlayDisplayFunc( void (* callback)( void ) );
  FGAPI void    FGAPIENTRY glutWindowStatusFunc( void (* callback)( int ) );
  
  FGAPI void    FGAPIENTRY glutSpaceballMotionFunc( void (* callback)( int, int, int ) );
  FGAPI void    FGAPIENTRY glutSpaceballRotateFunc( void (* callback)( int, int, int ) );
  FGAPI void    FGAPIENTRY glutSpaceballButtonFunc( void (* callback)( int, int ) );
  FGAPI void    FGAPIENTRY glutButtonBoxFunc( void (* callback)( int, int ) );
  FGAPI void    FGAPIENTRY glutDialsFunc( void (* callback)( int, int ) );
  FGAPI void    FGAPIENTRY glutTabletMotionFunc( void (* callback)( int, int ) );
  FGAPI void    FGAPIENTRY glutTabletButtonFunc( void (* callback)( int, int, int, int ) );
  
  /*
   * State setting and retrieval functions, see freeglut_state.c
   */
  FGAPI int     FGAPIENTRY glutGet( GLenum query );
  FGAPI int     FGAPIENTRY glutDeviceGet( GLenum query );
  FGAPI int     FGAPIENTRY glutGetModifiers( void );
  FGAPI int     FGAPIENTRY glutLayerGet( GLenum query );
  
  /*
   * Font stuff, see freeglut_font.c
   */
  FGAPI void    FGAPIENTRY glutBitmapCharacter( void* font, int character );
  FGAPI int     FGAPIENTRY glutBitmapWidth( void* font, int character );
  FGAPI void    FGAPIENTRY glutStrokeCharacter( void* font, int character );
  FGAPI int     FGAPIENTRY glutStrokeWidth( void* font, int character );
  FGAPI int     FGAPIENTRY glutBitmapLength( void* font, const unsigned char* string );
  FGAPI int     FGAPIENTRY glutStrokeLength( void* font, const unsigned char* string );
  
  /*
   * Geometry functions, see freeglut_geometry.c
   */
  FGAPI void    FGAPIENTRY glutWireCube( GLdouble size );
  FGAPI void    FGAPIENTRY glutSolidCube( GLdouble size );
  FGAPI void    FGAPIENTRY glutWireSphere( GLdouble radius, GLint slices, GLint stacks );
  FGAPI void    FGAPIENTRY glutSolidSphere( GLdouble radius, GLint slices, GLint stacks );
  FGAPI void    FGAPIENTRY glutWireCone( GLdouble base, GLdouble height, GLint slices, GLint stacks );
  FGAPI void    FGAPIENTRY glutSolidCone( GLdouble base, GLdouble height, GLint slices, GLint stacks );
  
  FGAPI void    FGAPIENTRY glutWireTorus( GLdouble innerRadius, GLdouble outerRadius, GLint sides, GLint rings );
  FGAPI void    FGAPIENTRY glutSolidTorus( GLdouble innerRadius, GLdouble outerRadius, GLint sides, GLint rings );
  FGAPI void    FGAPIENTRY glutWireDodecahedron( void );
  FGAPI void    FGAPIENTRY glutSolidDodecahedron( void );
  FGAPI void    FGAPIENTRY glutWireOctahedron( void );
  FGAPI void    FGAPIENTRY glutSolidOctahedron( void );
  FGAPI void    FGAPIENTRY glutWireTetrahedron( void );
  FGAPI void    FGAPIENTRY glutSolidTetrahedron( void );
  FGAPI void    FGAPIENTRY glutWireIcosahedron( void );
  FGAPI void    FGAPIENTRY glutSolidIcosahedron( void );
  
  /*
   * Teapot rendering functions, found in freeglut_teapot.c
   */
  FGAPI void    FGAPIENTRY glutWireTeapot( GLdouble size );
  FGAPI void    FGAPIENTRY glutSolidTeapot( GLdouble size );
  
  /*
   * Game mode functions, see freeglut_gamemode.c
   */
  FGAPI void    FGAPIENTRY glutGameModeString( const char* string );
  FGAPI int     FGAPIENTRY glutEnterGameMode( void );
  FGAPI void    FGAPIENTRY glutLeaveGameMode( void );
  FGAPI int     FGAPIENTRY glutGameModeGet( GLenum query );
  
  /*
   * Video resize functions, see freeglut_videoresize.c
   */
  FGAPI int     FGAPIENTRY glutVideoResizeGet( GLenum query );
  FGAPI void    FGAPIENTRY glutSetupVideoResizing( void );
  FGAPI void    FGAPIENTRY glutStopVideoResizing( void );
  FGAPI void    FGAPIENTRY glutVideoResize( int x, int y, int width, int height );
  FGAPI void    FGAPIENTRY glutVideoPan( int x, int y, int width, int height );
  
  /*
   * Colormap functions, see freeglut_misc.c
   */
  FGAPI void    FGAPIENTRY glutSetColor( int color, GLfloat red, GLfloat green, GLfloat blue );
  FGAPI GLfloat FGAPIENTRY glutGetColor( int color, int component );
  FGAPI void    FGAPIENTRY glutCopyColormap( int window );
  
  /*
   * Misc keyboard and joystick functions, see freeglut_misc.c
   */
  FGAPI void    FGAPIENTRY glutIgnoreKeyRepeat( int ignore );
  FGAPI void    FGAPIENTRY glutSetKeyRepeat( int repeatMode );
  FGAPI void    FGAPIENTRY glutForceJoystickFunc( void );
  
  /*
   * Misc functions, see freeglut_misc.c
   */
  FGAPI int     FGAPIENTRY glutExtensionSupported( const char* extension );
  FGAPI void    FGAPIENTRY glutReportErrors( void );
  
  #ifdef __cplusplus
      }
  #endif
  
  /*** END OF FILE ***/
  
  
  