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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) 1998-2007 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 http://www.coin3d.org/ for more information.
00021  *
00022  *  Systems in Motion, Postboks 1283, Pirsenteret, 7462 Trondheim, NORWAY.
00023  *  http://www.sim.no/  sales@sim.no  coin-support@coin3d.org
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   friend COIN_DLL_API int operator !=(const SbViewportRegion & reg1,
00061                                       const SbViewportRegion & reg2);
00062 
00063   void print(FILE * file) const;
00064 
00065 private:
00066   SbVec2s winsize;
00067   SbVec2f vporigin;
00068   SbVec2f vpsize;
00069   SbVec2s vporigin_s;
00070   SbVec2s vpsize_s;
00071   float pixperinch;
00072 };
00073 
00074 COIN_DLL_API int operator ==(const SbViewportRegion & reg1, const SbViewportRegion & reg2);
00075 COIN_DLL_API int operator !=(const SbViewportRegion & reg1, const SbViewportRegion & reg2);
00076 
00077 #endif // !COIN_SBVIEWPORTREGION_H

Copyright © 1998-2007 by Systems in Motion AS. All rights reserved.

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