GlutViewer.hh 5.31 KB
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/*===========================================================================*\
 *                                                                           *
 *                              OpenFlipper                                  *
 *           Copyright (c) 2001-2015, RWTH-Aachen University                 *
 *           Department of Computer Graphics and Multimedia                  *
 *                          All rights reserved.                             *
 *                            www.openflipper.org                            *
 *                                                                           *
 *---------------------------------------------------------------------------*
 * This file is part of OpenFlipper.                                         *
 *---------------------------------------------------------------------------*
 *                                                                           *
 * Redistribution and use in source and binary forms, with or without        *
 * modification, are permitted provided that the following conditions        *
 * are met:                                                                  *
 *                                                                           *
 * 1. Redistributions of source code must retain the above copyright notice, *
 *    this list of conditions and the following disclaimer.                  *
 *                                                                           *
 * 2. Redistributions in binary form must reproduce the above copyright      *
 *    notice, this list of conditions and the following disclaimer in the    *
 *    documentation and/or other materials provided with the distribution.   *
 *                                                                           *
 * 3. Neither the name of the copyright holder nor the names of its          *
 *    contributors may be used to endorse or promote products derived from   *
 *    this software without specific prior written permission.               *
 *                                                                           *
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS       *
 * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED *
 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A           *
 * PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER *
 * OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,  *
 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,       *
 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR        *
 * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF    *
 * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING      *
 * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS        *
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.              *
 *                                                                           *
\*===========================================================================*/

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//=============================================================================
//
//  CLASS GlutViewer
//
//=============================================================================


#ifndef ACG_GLUTVIEWER_HH
#define ACG_GLUTVIEWER_HH


//== INCLUDES =================================================================


#include "../GL/gl.hh"
#include "../GL/GLState.hh"
#include <map>
#include "../Config/ACGDefines.hh"


//== NAMESPACES ===============================================================


namespace ACG {


//== CLASS DEFINITION =========================================================



/** \class GlutViewer GlutViewer.hh <ACG/Glut/GlutViewer.hh>
    Simple Glut viewer.
    Based on C++ glut interface of George Stetten and Korin Crawford.
**/

class ACGDLLEXPORT GlutViewer
{
public:

  GlutViewer(const char* _title, int _width, int _height);
  virtual ~GlutViewer();


protected:

  virtual void draw() = 0;
  virtual void display(void);
  virtual void idle(void);
  virtual void keyboard(int key, int x, int y);
  virtual void motion(int x, int y);
  virtual void mouse(int button, int state, int x, int y);
  virtual void passivemotion(int x, int y);
  virtual void reshape(int w, int h);
  virtual void visibility(int visible);

  void update_projection();

  GLState  glstate_;
  int      width_, height_;
  GLfloat  near_, far_, fovy_;


private:

  void init();

  static void display__(void);
  static void idle__(void);
  static void keyboard__(unsigned char key, int x, int y);
  static void motion__(int x, int y);
  static void mouse__(int button, int state, int x, int y);
  static void passivemotion__(int x, int y);
  static void reshape__(int w, int h);
  static void special__(int key, int x, int y);
  static void visibility__(int visible);

  static std::map<int, GlutViewer*>  windows__;
  static GlutViewer* current_window();


  int  windowID_;
  bool fullscreen_;
  int  bak_left_, bak_top_, bak_width_, bak_height_;
};


//=============================================================================
} // namespace ACG
//=============================================================================
#endif // ACG_GLUTVIEWER_HH defined
//=============================================================================