#ifndef COIN_SBVIEWPORTREGION_H
#define COIN_SBVIEWPORTREGION_H

/**************************************************************************\
 *
 *  This file is part of the Coin 3D visualization library.
 *  Copyright (C) 1998-2007 by Systems in Motion.  All rights reserved.
 *
 *  This library is free software; you can redistribute it and/or
 *  modify it under the terms of the GNU General Public License
 *  ("GPL") version 2 as published by the Free Software Foundation.
 *  See the file LICENSE.GPL at the root directory of this source
 *  distribution for additional information about the GNU GPL.
 *
 *  For using Coin with software that can not be combined with the GNU
 *  GPL, and for taking advantage of the additional benefits of our
 *  support services, please contact Systems in Motion about acquiring
 *  a Coin Professional Edition License.
 *
 *  See http://www.coin3d.org/ for more information.
 *
 *  Systems in Motion, Postboks 1283, Pirsenteret, 7462 Trondheim, NORWAY.
 *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
 *
\**************************************************************************/

#include <stdio.h>
#include <Inventor/SbVec2s.h>
#include <Inventor/SbVec2f.h>

class COIN_DLL_API SbViewportRegion {
public:
  SbViewportRegion(void);
  SbViewportRegion(short width, short height);
  SbViewportRegion(SbVec2s winSize);
  SbViewportRegion(const SbViewportRegion & vpReg);

  void setWindowSize(short width, short height);
  void setWindowSize(SbVec2s winSize);
  void setViewport(float left, float bottom,
                   float width, float height);
  void setViewport(SbVec2f origin, SbVec2f size);
  void setViewportPixels(short left, short bottom,
                         short width, short height);
  void setViewportPixels(SbVec2s origin, SbVec2s size);
  const SbVec2s & getWindowSize(void) const;
  const SbVec2f & getViewportOrigin(void) const;
  const SbVec2s & getViewportOriginPixels(void) const;
  const SbVec2f & getViewportSize(void) const;
  const SbVec2s & getViewportSizePixels(void) const;
  float getViewportAspectRatio(void) const;
  void scaleWidth(float ratio);
  void scaleHeight(float ratio);
  void setPixelsPerInch(float ppi);
  float getPixelsPerInch(void) const;
  float getPixelsPerPoint(void) const;
  friend COIN_DLL_API int operator ==(const SbViewportRegion & reg1,
                                      const SbViewportRegion & reg2);

  friend COIN_DLL_API int operator !=(const SbViewportRegion & reg1,
                                      const SbViewportRegion & reg2);

  void print(FILE * file) const;

private:
  SbVec2s winsize;
  SbVec2f vporigin;
  SbVec2f vpsize;
  SbVec2s vporigin_s;
  SbVec2s vpsize_s;
  float pixperinch;
};

COIN_DLL_API int operator ==(const SbViewportRegion & reg1, const SbViewportRegion & reg2);
COIN_DLL_API int operator !=(const SbViewportRegion & reg1, const SbViewportRegion & reg2);

#endif // !COIN_SBVIEWPORTREGION_H