/* $Id: gltk.h,v 1.4 1997/08/19 02:36:22 brianp Exp $ */

/*
 * Mesa 3-D graphics library
 * Version:  2.4
 * Copyright (C) 1995-1996  Brian Paul
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public
 * License along with this library; if not, write to the Free
 * Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */


/*
 * This code originated from SGI and was modified for use with Mesa.
 */


#ifndef GLTK_INCLUDED
#define GLTK_INCLUDED


#ifdef __cplusplus
extern "C" {
#endif


#ifdef __BEOS__
#include "GL/gl.h"
#include "GL/glu.h"
#else
#include <GL/gl.h>
#include <GL/glu.h>
#endif


/*
** Nano Window Toolkit.
** Version 1.1
*/


#if defined(__WIN32__) || defined(DOSVGA) || defined(FX)
/*
** Display Mode Selection Criteria
*/
enum {
    TK_USE_ID = 1,
    TK_EXACT_MATCH,
    TK_MINIMUM_CRITERIA
};
#endif


/*
** Window Types
*/

#define TK_RGB          0
#define TK_INDEX        1
#define TK_SINGLE       0
#define TK_DOUBLE       2
#define TK_DIRECT       0
#define TK_INDIRECT     4
#define TK_ACCUM        8
#define TK_ALPHA        16
#define TK_DEPTH        32
#define TK_STENCIL      64
#define TK_OVERLAY      128
#define TK_UNDERLAY     256

/* 
** Window Masks
*/

#define TK_IS_RGB(x)            (((x) & TK_INDEX) == 0)
#define TK_IS_INDEX(x)          (((x) & TK_INDEX) != 0)
#define TK_IS_SINGLE(x)         (((x) & TK_DOUBLE) == 0)
#define TK_IS_DOUBLE(x)         (((x) & TK_DOUBLE) != 0)
#define TK_IS_DIRECT(x)         (((x) & TK_INDIRECT) == 0)
#define TK_IS_INDIRECT(x)       (((x) & TK_INDIRECT) != 0)
#define TK_HAS_ACCUM(x)         (((x) & TK_ACCUM) != 0)
#define TK_HAS_ALPHA(x)         (((x) & TK_ALPHA) != 0)
#define TK_HAS_DEPTH(x)         (((x) & TK_DEPTH) != 0)
#define TK_HAS_OVERLAY(x)       (((x) & TK_OVERLAY) != 0)
#define TK_HAS_UNDERLAY(x)      (((x) & TK_UNDERLAY) != 0)
#define TK_HAS_STENCIL(x)       (((x) & TK_STENCIL) != 0)

/*
** Windowing System Specific Gets
*/

typedef enum {
    TK_X_DISPLAY = 1,
    TK_X_WINDOW
} TKenum;

/*
** Event Status
*/

#define TK_LEFTBUTTON           1
#define TK_RIGHTBUTTON          2
#define TK_MIDDLEBUTTON         4
#define TK_SHIFT                1
#define TK_CONTROL              2

/* 
** Key Codes
*/

#define TK_RETURN               0x0D
#define TK_ESCAPE               0x1B
#define TK_SPACE                0x20
#define TK_LEFT                 0x25
#define TK_UP                   0x26
#define TK_RIGHT                0x27
#define TK_DOWN                 0x28
#define TK_A                    'A'
#define TK_B                    'B'
#define TK_C                    'C'
#define TK_D                    'D'
#define TK_E                    'E'
#define TK_F                    'F'
#define TK_G                    'G'
#define TK_H                    'H'
#define TK_I                    'I'
#define TK_J                    'J'
#define TK_K                    'K'
#define TK_L                    'L'
#define TK_M                    'M'
#define TK_N                    'N'
#define TK_O                    'O'
#define TK_P                    'P'
#define TK_Q                    'Q'
#define TK_R                    'R'
#define TK_S                    'S'
#define TK_T                    'T'
#define TK_U                    'U'
#define TK_V                    'V'
#define TK_W                    'W'
#define TK_X                    'X'
#define TK_Y                    'Y'
#define TK_Z                    'Z'
#define TK_a                    'a'
#define TK_b                    'b'
#define TK_c                    'c'
#define TK_d                    'd'
#define TK_e                    'e'
#define TK_f                    'f'
#define TK_g                    'g'
#define TK_h                    'h'
#define TK_i                    'i'
#define TK_j                    'j'
#define TK_k                    'k'
#define TK_l                    'l'
#define TK_m                    'm'
#define TK_n                    'n'
#define TK_o                    'o'
#define TK_p                    'p'
#define TK_q                    'q'
#define TK_r                    'r'
#define TK_s                    's'
#define TK_t                    't'
#define TK_u                    'u'
#define TK_v                    'v'
#define TK_w                    'w'
#define TK_x                    'x'
#define TK_y                    'y'
#define TK_z                    'z'
#define TK_0                    '0'
#define TK_1                    '1'
#define TK_2                    '2'
#define TK_3                    '3'
#define TK_4                    '4'
#define TK_5                    '5'
#define TK_6                    '6'
#define TK_7                    '7'
#define TK_8                    '8'
#define TK_9                    '9'

/*
** Color Macros
*/

enum {
    TK_BLACK = 0,
#ifdef __WIN32__
    TK_RED=10,
#else
    TK_RED,
#endif
    TK_GREEN,
    TK_YELLOW,
    TK_BLUE,
    TK_MAGENTA,
    TK_CYAN,
    TK_WHITE
};

#ifdef __BEOS__
#pragma export on
#endif

#if defined(__WIN32__) || defined(DOSVGA)
extern float tkRGBMap[17][3];
#else
extern float tkRGBMap[8][3];
#endif

#define TK_SETCOLOR(x, y) (TK_IS_RGB((x)) ? \
			   glColor3fv(tkRGBMap[(y)]) : glIndexf((y)))

/*
** RGB Image Structure
*/

typedef struct _TK_RGBImageRec {
    GLint sizeX, sizeY;
    unsigned char *data;
} TK_RGBImageRec;

/*
** Prototypes
*/

extern void tkInitDisplayMode(GLenum);
extern void tkInitPosition(int, int, int, int);
extern GLenum tkInitWindow(char *);
extern void tkCloseWindow(void);
extern void tkQuit(void);

extern GLenum tkSetWindowLevel(GLenum);
extern void tkSwapBuffers(void);

extern void tkExec(void);
extern void tkExposeFunc(void (*)(int, int));
extern void tkReshapeFunc(void (*)(int, int));
extern void tkDisplayFunc(void (*)(void));
extern void tkKeyDownFunc(GLenum (*)(int, GLenum));
extern void tkMouseDownFunc(GLenum (*)(int, int, GLenum));
extern void tkMouseUpFunc(GLenum (*)(int, int, GLenum));
extern void tkMouseMoveFunc(GLenum (*)(int, int, GLenum));
extern void tkIdleFunc(void (*)(void));

extern int tkGetColorMapSize(void);
extern void tkGetMouseLoc(int *, int *);
extern void tkGetSystem(TKenum, void *);

extern void tkSetOneColor(int, float, float, float);
extern void tkSetFogRamp(int, int);
extern void tkSetGreyRamp(void);
extern void tkSetRGBMap(int, float *);
extern void tkSetOverlayMap(int, float *);

extern void tkNewCursor(GLint, GLubyte *, GLubyte *, GLenum, GLenum,
			GLint, GLint);
extern void tkSetCursor(GLint);

extern TK_RGBImageRec *tkRGBImageLoad(char *);

extern GLenum tkCreateStrokeFont(GLuint);
extern GLenum tkCreateOutlineFont(GLuint);
extern GLenum tkCreateFilledFont(GLuint);
extern GLenum tkCreateBitmapFont(GLuint);
extern void tkDrawStr(GLuint, char *);

extern void tkWireSphere(GLuint, float);
extern void tkSolidSphere(GLuint, float);
extern void tkWireCube(GLuint, float);
extern void tkSolidCube(GLuint, float);
extern void tkWireBox(GLuint, float, float, float);
extern void tkSolidBox(GLuint, float, float, float);
extern void tkWireTorus(GLuint, float, float);
extern void tkSolidTorus(GLuint, float, float);
extern void tkWireCylinder(GLuint, float, float);
extern void tkSolidCylinder(GLuint, float, float);
extern void tkWireCone(GLuint, float, float);
extern void tkSolidCone(GLuint, float, float);

#ifdef __BEOS__
#pragma export off
#endif

#ifdef __cplusplus
}
#endif


#ifdef __WIN32__
#include <windows.h>
HWND tkGetHWND(void);
#endif /* WIN32 */


#endif