#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.
 */

#include "g2o/config.h"

#ifdef WINDOWS
#include <windows.h>
#endif

#ifdef __APPLE__
#include <OpenGL/gl.h>
#else
#include <GL/gl.h>
#endif

#ifdef _MSC_VER
// We are using a Microsoft compiler:
#ifdef G2O_SHARED_LIBS
#ifdef freeglut_minimal_EXPORTS
#define G2O_FGAPI __declspec(dllexport)
#else
#define G2O_FGAPI __declspec(dllimport)
#endif
#else
#define G2O_FGAPI
#endif
#else
// Not Microsoft compiler so set empty definition:
#define G2O_FGAPI
#endif

namespace freeglut_minimal {

enum FontID { GLUT_STROKE_ROMAN, GLUT_STROKE_MONO_ROMAN };

/* The stroke font structures */

typedef struct tagSFG_StrokeVertex SFG_StrokeVertex;
struct tagSFG_StrokeVertex {
  GLfloat X, Y;
};

typedef struct tagSFG_StrokeStrip SFG_StrokeStrip;
struct tagSFG_StrokeStrip {
  int Number;
  const SFG_StrokeVertex* Vertices;
};

typedef struct tagSFG_StrokeChar SFG_StrokeChar;
struct tagSFG_StrokeChar {
  GLfloat Right;
  int Number;
  const SFG_StrokeStrip* Strips;
};

typedef struct tagSFG_StrokeFont SFG_StrokeFont;
struct tagSFG_StrokeFont {
  char* Name;                        /* The source font name      */
  int Quantity;                      /* Number of chars in font   */
  GLfloat Height;                    /* Height of the characters  */
  const SFG_StrokeChar** Characters; /* The characters mapping    */
};

extern const SFG_StrokeFont fgStrokeRoman;
extern const SFG_StrokeFont fgStrokeMonoRoman;

G2O_FGAPI void glutStrokeString(FontID font, const char* string);

/*
 * Font stuff, see freeglut_font.c
 */
G2O_FGAPI GLfloat glutStrokeHeight(FontID font);

/*
 * Return the width of a string drawn using a stroke font
 */
G2O_FGAPI int glutStrokeLength(FontID fontID, const char* string);

}  // namespace freeglut_minimal

/*** END OF FILE ***/

#endif /* __FREEGLUT_EXT_H__ */
