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SoComputeBoundingBox.h

00001 /**************************************************************************\
00002  *
00003  *  This file is part of the Coin 3D visualization library.
00004  *  Copyright (C) 1998-2002 by Systems in Motion. All rights reserved.
00005  *
00006  *  This library is free software; you can redistribute it and/or
00007  *  modify it under the terms of the GNU Lesser General Public License
00008  *  version 2.1 as published by the Free Software Foundation. See the
00009  *  file LICENSE.LGPL at the root directory of the distribution for
00010  *  more details.
00011  *
00012  *  If you want to use Coin for applications not compatible with the
00013  *  LGPL, please contact SIM to acquire a Professional Edition license.
00014  *
00015  *  Systems in Motion, Prof Brochs gate 6, 7030 Trondheim, NORWAY
00016  *  http://www.sim.no support@sim.no Voice: +47 22114160 Fax: +47 22207097
00017  *
00018 \**************************************************************************/
00019 
00020 #ifndef COIN_SOCOMPUTEBOUNDINGBOX_H
00021 #define COIN_SOCOMPUTEBOUNDINGBOX_H
00022 
00023 #include <Inventor/engines/SoSubEngine.h>
00024 #include <Inventor/engines/SoEngineOutput.h>
00025 #include <Inventor/fields/SoSFNode.h>
00026 #include <Inventor/fields/SoSFPath.h>
00027 #include <Inventor/SbViewportRegion.h>
00028 
00029 class SoGetBoundingBoxAction;
00030 
00031 
00032 class COIN_DLL_API SoComputeBoundingBox : public SoEngine {
00033   typedef SoEngine inherited;
00034 
00035   SO_ENGINE_HEADER(SoComputeBoundingBox);
00036 
00037 public:
00038   SoSFNode node;
00039   SoSFPath path;
00040 
00041   SoEngineOutput min;           // SoSFVec3f
00042   SoEngineOutput max;           // SoSFVec3f
00043   SoEngineOutput boxCenter;     // SoSFVec3f
00044   SoEngineOutput objectCenter;  // SoSFVec3f
00045 
00046   SoComputeBoundingBox(void);
00047   static void initClass(void);
00048 
00049   void setViewportRegion(const SbViewportRegion & vpr);
00050   const SbViewportRegion & getViewportRegion(void) const;
00051 
00052 protected:
00053   virtual ~SoComputeBoundingBox();
00054 
00055 private:
00056   virtual void evaluate(void);
00057   SoGetBoundingBoxAction * bboxaction;
00058 };
00059 
00060 #endif // !COIN_SOCOMPUTEBOUNDINGBOX_H

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