# SbViewportRegion.h

    00001 #ifndef COIN_SBVIEWPORTREGION_H
    00002 #define COIN_SBVIEWPORTREGION_H
    00003
    00004 /**************************************************************************\
    00005  *
    00006  *  This file is part of the Coin 3D visualization library.
    00007  *  Copyright (C) 1998-2003 by Systems in Motion.  All rights reserved.
    00008  *
    00009  *  This library is free software; you can redistribute it and/or
    00010  *  modify it under the terms of the GNU General Public License
    00011  *  ("GPL") version 2 as published by the Free Software Foundation.
    00012  *  See the file LICENSE.GPL at the root directory of this source
    00013  *  distribution for additional information about the GNU GPL.
    00014  *
    00015  *  For using Coin with software that can not be combined with the GNU
    00016  *  GPL, and for taking advantage of the additional benefits of our
    00017  *  support services, please contact Systems in Motion about acquiring
    00018  *  a Coin Professional Edition License.
    00019  *
    00020  *  See <URL:http://www.coin3d.org> for  more information.
    00021  *
    00022  *  Systems in Motion, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY.
    00023  *  <URL:http://www.sim.no>.
    00024  *
    00025 \**************************************************************************/
    00026
    00027 #include <stdio.h>
    00028 #include <Inventor/SbVec2s.h>
    00029 #include <Inventor/SbVec2f.h>
    00030
    00031 class COIN_DLL_API SbViewportRegion {
    00032 public:
    00033   SbViewportRegion(void);
    00034   SbViewportRegion(short width, short height);
    00035   SbViewportRegion(SbVec2s winSize);
    00036   SbViewportRegion(const SbViewportRegion & vpReg);
    00037
    00038   void setWindowSize(short width, short height);
    00039   void setWindowSize(SbVec2s winSize);
    00040   void setViewport(float left, float bottom,
    00041                    float width, float height);
    00042   void setViewport(SbVec2f origin, SbVec2f size);
    00043   void setViewportPixels(short left, short bottom,
    00044                          short width, short height);
    00045   void setViewportPixels(SbVec2s origin, SbVec2s size);
    00046   const SbVec2s & getWindowSize(void) const;
    00047   const SbVec2f & getViewportOrigin(void) const;
    00048   const SbVec2s & getViewportOriginPixels(void) const;
    00049   const SbVec2f & getViewportSize(void) const;
    00050   const SbVec2s & getViewportSizePixels(void) const;
    00051   float getViewportAspectRatio(void) const;
    00052   void scaleWidth(float ratio);
    00053   void scaleHeight(float ratio);
    00054   void setPixelsPerInch(float ppi);
    00055   float getPixelsPerInch(void) const;
    00056   float getPixelsPerPoint(void) const;
    00057   friend COIN_DLL_API int operator ==(const SbViewportRegion & reg1,
    00058                          const SbViewportRegion & reg2);
    00059
    00060   void print(FILE * file) const;
    00061
    00062 private:
    00063   SbVec2s winsize;
    00064   SbVec2f vporigin;
    00065   SbVec2f vpsize;
    00066   SbVec2s vporigin_s;
    00067   SbVec2s vpsize_s;
    00068   float pixperinch;
    00069 };
    00070
    00071 COIN_DLL_API int operator ==(const SbViewportRegion & reg1, const SbViewportRegion & reg2);
    00072
    00073 #endif // !COIN_SBVIEWPORTREGION_H