/usr/include/mgl2/glut.h is in libmgl-dev 2.3.4-1.1+b1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
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* glut.h is part of Math Graphic Library
* Copyright (C) 2007-2014 Alexey Balakin <mathgl.abalakin@gmail.ru> *
* *
* This program 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 3 of the *
* License, or (at your option) any later version. *
* *
* This program 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 General Public License for more details. *
* *
* You should have received a copy of the GNU Library General Public *
* License along with this program; if not, write to the *
* Free Software Foundation, Inc., *
* 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. *
***************************************************************************/
//-----------------------------------------------------------------------------
#ifndef _MGL_GLUT_H_
#define _MGL_GLUT_H_
#ifdef __cplusplus
#include <mgl2/wnd.h>
//-----------------------------------------------------------------------------
extern "C" {
#endif
void _mgl_key_up(unsigned char ch,int ,int );
HMGL MGL_EXPORT mgl_create_graph_glut(int (*draw)(HMGL gr, void *p), const char *title, void *par, void (*load)(void *p));
/// Switch on/off transparency (do not overwrite user settings)
void MGL_EXPORT mgl_glut_toggle_alpha(HMGL gr);
/// Switch on/off lighting (do not overwrite user settings)
void MGL_EXPORT mgl_glut_toggle_light(HMGL gr);
/// Switch off all zooming and rotation
void MGL_EXPORT mgl_glut_toggle_no(HMGL gr);
/// Update picture by calling user drawing function
void MGL_EXPORT mgl_glut_update(HMGL gr);
/// Reload user data and update picture
void MGL_EXPORT mgl_glut_reload(HMGL gr);
/// Show next frame (if one)
void MGL_EXPORT mgl_glut_next_frame(HMGL gr);
/// Show previous frame (if one)
void MGL_EXPORT mgl_glut_prev_frame(HMGL gr);
/// Run slideshow (animation) of frames
void MGL_EXPORT mgl_glut_animation(HMGL gr);
#ifdef __cplusplus
}
//-----------------------------------------------------------------------------
class MGL_EXPORT mglGLUT: public mglGraph
{
mglGLUT(const mglGLUT &t) {} // copying is not allowed
const mglGLUT &operator=(const mglGLUT &t) { return t; }
public:
mglGLUT(int (*draw)(HMGL gr, void *p), const char *title="MathGL", void *par=0, void (*load)(void *p)=0) : mglGraph(-1)
{ gr = mgl_create_graph_glut(draw,title,par,load); }
mglGLUT(int (*draw)(mglGraph *gr), const char *title="MathGL") : mglGraph(-1)
{ gr = mgl_create_graph_glut(draw?mgl_draw_graph:0,title,(void*)draw,0); }
mglGLUT(mglDraw *draw=0, const char *title="MathGL") : mglGraph(-1)
{ gr = mgl_create_graph_glut(draw?mgl_draw_class:0,title,draw,mgl_reload_class); }
virtual ~mglGLUT() {}
inline void ToggleAlpha() ///< Switch on/off transparency (do not overwrite user settings)
{ mgl_glut_toggle_alpha(gr); }
inline void ToggleLight() ///< Switch on/off lighting (do not overwrite user settings)
{ mgl_glut_toggle_light(gr); }
inline void ToggleNo() ///< Switch off all zooming and rotation
{ mgl_glut_toggle_no(gr); }
inline void Update() ///< Update picture by calling user drawing function
{ mgl_glut_update(gr); }
inline void ReLoad() ///< Reload user data and update picture
{ mgl_glut_reload(gr); }
inline void NextFrame() ///< Show next frame (if one)
{ mgl_glut_next_frame(gr); }
inline void PrevFrame() ///< Show previous frame (if one)
{ mgl_glut_prev_frame(gr); }
inline void Animation() ///< Run slideshow (animation) of frames
{ mgl_glut_animation(gr); }
inline int Run() {return 0;}; ///< Run main loop for event handling (placed for similarity to mglWnd)
};
//-----------------------------------------------------------------------------
#endif
#endif
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