#ifndef __glut_h__
#define __glut_h__

 /* Copyright (c) Mark J. Kilgard, 1994, 1995, 1996. */

 /* This program is freely distributable without licensing fees  and is
  *    provided without guarantee or warrantee expressed or  implied. This
 *       program is -not- in the public domain. */

#include <GL/gl.h>
#include <GL/glu.h>

#ifdef __cplusplus
 extern "C" (
#endif

    /*
     *  * GLUT API revision history:
    *   *
    *    * GLUT_API_VERSION is updated to reflect incompatible GLUT
    *     * API changes (interface changes, semantic changes, deletions,
    *      * or additions).
    *       *
    *        * GLUT_API_VERSION=1  First public release of GLUT.  11/29/94
    *         *
    *          * GLUT_API_VERSION=2  Added support for OpenGL/GLX
    *          multisampling,
    *           * extension.  Supports new input devices like tablet, dial
    *           and button
    *            * box, and Spaceball.  Easy to query OpenGL extensions.
    *             *
    *              * GLUT_API_VERSION=3  glutMenuStatus added.
    *               *
    *                */
#ifndef GLUT_API_VERSION  /* allow this to be overriden */
#define GLUT_API_VERSION                3
#endif

    /*
     *  * GLUT implementation revision history:
    *   *
    *    * GLUT_XLIB_IMPLEMENTATION is updated to reflect both GLUT
    *     * API revisions and implementation revisions (ie, bug fixes).
    *      *
    *       * GLUT_XLIB_IMPLEMENTATION=1  mjk's first public release of
    *        * GLUT Xlib-based implementation.  11/29/94
    *         *
    *          * GLUT_XLIB_IMPLEMENTATION=2  mjk's second public release of
    *           * GLUT Xlib-based implementation providing GLUT version 2
    *            * interfaces.
    *             *
    *              * GLUT_XLIB_IMPLEMENTATION=3  mjk's GLUT 2.2 images.
    *              4/17/95
    *               *
    *                * GLUT_XLIB_IMPLEMENTATION=4  mjk's GLUT 2.3 images.
    *                6/??/95
    *                 *
    *                  * GLUT_XLIB_IMPLEMENTATION=5  mjk's GLUT 3.0 images.
    *                  10/??/95
    *                   *
    *                    */
#ifndef GLUT_XLIB_IMPLEMENTATION  /* allow this to be overriden */
#define GLUT_XLIB_IMPLEMENTATION        5
#endif

    /* display mode bit masks */
#define GLUT_RGB                        0
#define GLUT_RGBA                       GLUT_RGB
#define GLUT_INDEX                      1
#define GLUT_SINGLE                     0
#define GLUT_DOUBLE                     2
#define GLUT_ACCUM                      4
#define GLUT_ALPHA                      8
#define GLUT_DEPTH                      16
#define GLUT_STENCIL                    32
#if (GLUT_API_VERSION >= 2)
#define GLUT_MULTISAMPLE                128
#define GLUT_STEREO                     256
#endif
#if (GLUT_API_VERSION >= 3)
#define GLUT_LUMINANCE                  512
#endif

    /* mouse buttons */
#define GLUT_LEFT_BUTTON                0
#define GLUT_MIDDLE_BUTTON              1
#define GLUT_RIGHT_BUTTON               2

    /* mouse button callback state */
#define GLUT_DOWN                       0
#define GLUT_UP                         1

#if (GLUT_API_VERSION >= 2)
    /* function keys */
#define GLUT_KEY_F1                     1
#define GLUT_KEY_F2                     2
#define GLUT_KEY_F3                     3
#define GLUT_KEY_F4                     4
#define GLUT_KEY_F5                     5
#define GLUT_KEY_F6                     6
#define GLUT_KEY_F7                     7
#define GLUT_KEY_F8                     8
#define GLUT_KEY_F9                     9
#define GLUT_KEY_F10                    10
#define GLUT_KEY_F11                    11
#define GLUT_KEY_F12                    12
    /* directional keys */
#define GLUT_KEY_LEFT                   100
#define GLUT_KEY_UP                     101
#define GLUT_KEY_RIGHT                  102
#define GLUT_KEY_DOWN                   103
#define GLUT_KEY_PAGE_UP                104
#define GLUT_KEY_PAGE_DOWN              105
#define GLUT_KEY_HOME                   106
#define GLUT_KEY_END                    107
#define GLUT_KEY_INSERT                 108
#endif

    /* entry/exit callback state */
#define GLUT_LEFT                       0
#define GLUT_ENTERED                    1

    /* menu usage callback state */
#define GLUT_MENU_NOT_IN_USE            0
#define GLUT_MENU_IN_USE                1

    /* visibility callback state */
#define GLUT_NOT_VISIBLE                0
#define GLUT_VISIBLE                    1

    /* color index component selection values */
#define GLUT_RED                        0
#define GLUT_GREEN                      1
#define GLUT_BLUE                       2

    /* layers for use */
#define GLUT_NORMAL                     0
#define GLUT_OVERLAY                    1

    /* stroke font opaque addresses (use constants instead in source code)
     * */
    extern void *glutStrokeRoman;
    extern void *glutStrokeMonoRoman;

    /* stroke font constants (use these in GLUT program) */
#define GLUT_STROKE_ROMAN               (&glutStrokeRoman)
#define GLUT_STROKE_MONO_ROMAN          (&glutStrokeMonoRoman)

    /* bitmap font opaque addresses (use constants instead in source code)
     * */
    extern void *glutBitmap9By15;
    extern void *glutBitmap8By13;
    extern void *glutBitmapTimesRoman10;
    extern void *glutBitmapTimesRoman24;
    extern void *glutBitmapHelvetica10;
    extern void *glutBitmapHelvetica12;
    extern void *glutBitmapHelvetica18;

    /* bitmap font constants (use these in GLUT program) */
#define GLUT_BITMAP_9_BY_15             (&glutBitmap9By15)
#define GLUT_BITMAP_8_BY_13             (&glutBitmap8By13)
#define GLUT_BITMAP_TIMES_ROMAN_10      (&glutBitmapTimesRoman10)
#define GLUT_BITMAP_TIMES_ROMAN_24      (&glutBitmapTimesRoman24)
#if (GLUT_API_VERSION >= 3)
#define GLUT_BITMAP_HELVETICA_10        (&glutBitmapHelvetica10)
#define GLUT_BITMAP_HELVETICA_12        (&glutBitmapHelvetica12)
#define GLUT_BITMAP_HELVETICA_18        (&glutBitmapHelvetica18)
#endif

    /* glutGet parameters */
#define GLUT_WINDOW_X                   100
#define GLUT_WINDOW_Y                   101
#define GLUT_WINDOW_WIDTH               102
#define GLUT_WINDOW_HEIGHT              103
#define GLUT_WINDOW_BUFFER_SIZE         104
#define GLUT_WINDOW_STENCIL_SIZE        105
#define GLUT_WINDOW_DEPTH_SIZE          106
#define GLUT_WINDOW_RED_SIZE            107
#define GLUT_WINDOW_GREEN_SIZE          108
#define GLUT_WINDOW_BLUE_SIZE           109
#define GLUT_WINDOW_ALPHA_SIZE          110
#define GLUT_WINDOW_ACCUM_RED_SIZE      111
#define GLUT_WINDOW_ACCUM_GREEN_SIZE    112
#define GLUT_WINDOW_ACCUM_BLUE_SIZE     113
#define GLUT_WINDOW_ACCUM_ALPHA_SIZE    114
#define GLUT_WINDOW_DOUBLEBUFFER        115
#define GLUT_WINDOW_RGBA                116
#define GLUT_WINDOW_PARENT              117
#define GLUT_WINDOW_NUM_CHILDREN        118
#define GLUT_WINDOW_COLORMAP_SIZE       119
#if (GLUT_API_VERSION >= 2)
#define GLUT_WINDOW_NUM_SAMPLES         120
#define GLUT_WINDOW_STEREO              121
#endif
#if (GLUT_API_VERSION >= 3)
#define GLUT_WINDOW_CURSOR              122
#endif
#define GLUT_SCREEN_WIDTH               200
#define GLUT_SCREEN_HEIGHT              201
#define GLUT_SCREEN_WIDTH_MM            202
#define GLUT_SCREEN_HEIGHT_MM           203
#define GLUT_MENU_NUM_ITEMS             300
#define GLUT_DISPLAY_MODE_POSSIBLE      400
#define GLUT_INIT_WINDOW_X              500
#define GLUT_INIT_WINDOW_Y              501
#define GLUT_INIT_WINDOW_WIDTH          502
#define GLUT_INIT_WINDOW_HEIGHT         503
#define GLUT_INIT_DISPLAY_MODE          504
#if (GLUT_API_VERSION >= 2)
#define GLUT_ELAPSED_TIME               700
#endif

#if (GLUT_API_VERSION >= 2)
    /* glutDeviceGet parameters */
#define GLUT_HAS_KEYBOARD               600
#define GLUT_HAS_MOUSE                  601
#define GLUT_HAS_SPACEBALL              602
#define GLUT_HAS_DIAL_AND_BUTTON_BOX    603
#define GLUT_HAS_TABLET                 604
#define GLUT_NUM_MOUSE_BUTTONS          605
#define GLUT_NUM_SPACEBALL_BUTTONS      606
#define GLUT_NUM_BUTTON_BOX_BUTTONS     607
#define GLUT_NUM_DIALS                  608
#define GLUT_NUM_TABLET_BUTTONS         609
#endif

#if (GLUT_API_VERSION >= 3)
    /* glutLayerGet parameters */
#define GLUT_OVERLAY_POSSIBLE           800
#define GLUT_LAYER_IN_USE               801
#define GLUT_HAS_OVERLAY                802
#define GLUT_TRANSPARENT_INDEX          803
#define GLUT_NORMAL_DAMAGED             804
#define GLUT_OVERLAY_DAMAGED            805

    /* glutUseLayer parameters */
#define GLUT_NORMAL                     0
#define GLUT_OVERLAY                    1

    /* glutGetModifiers return mask */
#define GLUT_ACTIVE_SHIFT               1
#define GLUT_ACTIVE_CTRL                2
#define GLUT_ACTIVE_ALT                 4

    /* glutSetCursor parameters */
    /* Basic arrows */
#define GLUT_CURSOR_RIGHT_ARROW         0
#define GLUT_CURSOR_LEFT_ARROW          1
    /* Symbolic cursor shapees */
#define GLUT_CURSOR_INFO                2
#define GLUT_CURSOR_DESTROY             3
#define GLUT_CURSOR_HELP                4
#define GLUT_CURSOR_CYCLE               5
#define GLUT_CURSOR_SPRAY               6
#define GLUT_CURSOR_WAIT                7
#define GLUT_CURSOR_TEXT                8
#define GLUT_CURSOR_CROSSHAIR           9
    /* Directional cursors */
#define GLUT_CURSOR_UP_DOWN             10
#define GLUT_CURSOR_LEFT_RIGHT          11
    /* Sizing cursors */
#define GLUT_CURSOR_TOP_SIDE            12
#define GLUT_CURSOR_BOTTOM_SIDE         13
#define GLUT_CURSOR_LEFT_SIDE           14
#define GLUT_CURSOR_RIGHT_SIDE          15
#define GLUT_CURSOR_TOP_LEFT_CORNER     16
#define GLUT_CURSOR_TOP_RIGHT_CORNER    17
#define GLUT_CURSOR_BOTTOM_RIGHT_CORNER 18
#define GLUT_CURSOR_BOTTOM_LEFT_CORNER  19
    /* Inherit from parent window */
#define GLUT_CURSOR_INHERIT             100
    /* Blank cursor */
#define GLUT_CURSOR_NONE                101
    /* Fullscreen crosshair (if available) */
#define GLUT_CURSOR_FULL_CROSSHAIR      102
#endif

    /* GLUT initialization sub-API */
    extern void glutInit(int *argcp, char **argv);
    extern void glutInitDisplayMode(unsigned int mode);
    extern void glutInitWindowPosition(int x, int y);
    extern void glutInitWindowSize(int width, int height);
    extern void glutMainLoop(void);

    /* GLUT window sub-api */
    extern int glutCreateWindow(char *title);
    extern int glutCreateSubWindow(int win, int x, int y, int width, int height);
    extern void glutDestroyWindow(int win);
    extern void glutPostRedisplay(void);
    extern void glutSwapBuffers(void);
    extern int glutGetWindow(void);
    extern void glutSetWindow(int win);
    extern void glutSetWindowTitle(char *title);
    extern void glutSetIconTitle(char *title);
    extern void glutPositionWindow(int x, int y);
    extern void glutReshapeWindow(int width, int height);
    extern void glutPopWindow(void);
    extern void glutPushWindow(void);
    extern void glutIconifyWindow(void);
    extern void glutShowWindow(void);
    extern void glutHideWindow(void);
#if (GLUT_API_VERSION >= 3)
    extern void glutFullScreen(void);
    extern void glutSetCursor(int cursor);

    /* GLUT overlay sub-API */
    extern void glutEstablishOverlay(void);
    extern void glutRemoveOverlay(void);
    extern void glutUseLayer(GLenum layer);
    extern void glutPostOverlayRedisplay(void);
    extern void glutShowOverlay(void);
    extern void glutHideOverlay(void);
#endif

    /* GLUT menu sub-API */
    extern int glutCreateMenu(void (*)(int));
    extern void glutDestroyMenu(int menu);
    extern int glutGetMenu(void);
    extern void glutSetMenu(int menu);
    extern void glutAddMenuEntry(char *label, int value);
    extern void glutAddSubMenu(char *label, int submenu);
    extern void glutChangeToMenuEntry(int item, char *label, int value);
    extern void glutChangeToSubMenu(int item, char *label, int submenu);
    extern void glutRemoveMenuItem(int item);
    extern void glutAttachMenu(int button);
    extern void glutDetachMenu(int button);

    /* GLUT callback sub-api */
    extern void glutDisplayFunc(void (*)(void));
    extern void glutReshapeFunc(void (*)(int width, int height));
    extern void glutKeyboardFunc(void (*)(unsigned char key, int x, int y));
    extern void glutMouseFunc(void (*)(int button, int state, int x, int y));
    extern void glutMotionFunc(void (*)(int x, int y));
    extern void glutPassiveMotionFunc(void (*)(int x, int y));
    extern void glutEntryFunc(void (*)(int state));
    extern void glutVisibilityFunc(void (*)(int state));
    extern void glutIdleFunc(void (*)(void));
    extern void glutTimerFunc(unsigned int millis, void (*)(int value), int value);
    extern void glutMenuStateFunc(void (*)(int state));
#if (GLUT_API_VERSION >= 2)
    extern void glutSpecialFunc(void (*)(int key, int x, int y));
    extern void glutSpaceballMotionFunc(void (*)(int x, int y, int z));
    extern void glutSpaceballRotateFunc(void (*)(int x, int y, int z));
    extern void glutSpaceballButtonFunc(void (*)(int button, int state));
    extern void glutButtonBoxFunc(void (*)(int button, int state));
    extern void glutDialsFunc(void (*)(int dial, int value));
    extern void glutTabletMotionFunc(void (*)(int x, int y));
    extern void glutTabletButtonFunc(void (*)(int button, int state, int x, int y));
#if (GLUT_API_VERSION >= 3)
    extern void glutMenuStatusFunc(void (*)(int status, int x, int y));
    extern void glutOverlayDisplayFunc(void (*)(void));
#endif
#endif

    /* GLUT color index sub-api */
    extern void glutSetColor(int, GLfloat red, GLfloat green, GLfloat blue);
    extern GLfloat glutGetColor(int (index()), int component);
    extern void glutCopyColormap(int win);

    /* GLUT state retrieval sub-api */
    extern int glutGet(GLenum type);
    extern int glutDeviceGet(GLenum type);
#if (GLUT_API_VERSION >= 2)
    /* GLUT extension support sub-API */
    extern int glutExtensionSupported(char *name);
#endif
#if (GLUT_API_VERSION >= 3)
    extern int glutGetModifiers(void);
    extern int glutLayerGet(GLenum type);
#endif

    /* GLUT font sub-API */
    extern void glutBitmapCharacter(void *font, int character);
    extern int glutBitmapWidth(void *font, int character);
    extern void glutStrokeCharacter(void *font, int character);
    extern int glutStrokeWidth(void *font, int character);

    /* GLUT pre-built models sub-API */
    extern void glutWireSphere(GLdouble radius, GLint slices, GLint stacks);
    extern void glutSolidSphere(GLdouble radius, GLint slices, GLint stacks);
    extern void glutWireCone(GLdouble base, GLdouble height, GLint slices, GLint stacks);
    extern void glutSolidCone(GLdouble base, GLdouble height, GLint slices, GLint stacks);
    extern void glutWireCube(GLdouble size);
    extern void glutSolidCube(GLdouble size);
    extern void glutWireTorus(GLdouble innerRadius, GLdouble outerRadius, GLint sides, GLint rings);
    extern void glutSolidTorus(GLdouble innerRadius, GLdouble outerRadius, GLint sides, GLint rings);
    extern void glutWireDodecahedron(void);
    extern void glutSolidDodecahedron(void);
    extern void glutWireTeapot(GLdouble size);
    extern void glutSolidTeapot(GLdouble size);
    extern void glutWireOctahedron(void);
    extern void glutSolidOctahedron(void);
    extern void glutWireTetrahedron(void);
    extern void glutSolidTetrahedron(void);
    extern void glutWireIcosahedron(void);
    extern void glutSolidIcosahedron(void);

#ifdef __cplusplus
 )

#endif
#endif                  /* __glut_h__ */

