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# SoComputeBoundingBox.h

    00001 /**************************************************************************\
    00002  *
    00003  *  This file is part of the Coin 3D visualization library.
    00004  *  Copyright (C) 1998-2003 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 General Public License
    00008  *  ("GPL") version 2 as published by the Free Software Foundation.
    00009  *  See the file LICENSE.GPL at the root directory of this source
    00010  *  distribution for additional information about the GNU GPL.
    00011  *
    00012  *  For using Coin with software that can not be combined with the GNU
    00013  *  GPL, and for taking advantage of the additional benefits of our
    00014  *  support services, please contact Systems in Motion about acquiring
    00015  *  a Coin Professional Edition License.
    00016  *
    00017  *  See <URL:http://www.coin3d.org> for  more information.
    00018  *
    00019  *  Systems in Motion, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY.
    00020  *  <URL:http://www.sim.no>.
    00021  *
    00022 \**************************************************************************/
    00023
    00024 #ifndef COIN_SOCOMPUTEBOUNDINGBOX_H
    00025 #define COIN_SOCOMPUTEBOUNDINGBOX_H
    00026
    00027 #include <Inventor/engines/SoSubEngine.h>
    00028 #include <Inventor/engines/SoEngineOutput.h>
    00029 #include <Inventor/fields/SoSFNode.h>
    00030 #include <Inventor/fields/SoSFPath.h>
    00031 #include <Inventor/SbViewportRegion.h>
    00032
    00033 class SoGetBoundingBoxAction;
    00034
    00035
    00036 class COIN_DLL_API SoComputeBoundingBox : public SoEngine {
    00037   typedef SoEngine inherited;
    00038
    00039   SO_ENGINE_HEADER(SoComputeBoundingBox);
    00040
    00041 public:
    00042   SoSFNode node;
    00043   SoSFPath path;
    00044
    00045   SoEngineOutput min;           // SoSFVec3f
    00046   SoEngineOutput max;           // SoSFVec3f
    00047   SoEngineOutput boxCenter;     // SoSFVec3f
    00048   SoEngineOutput objectCenter;  // SoSFVec3f
    00049
    00050   SoComputeBoundingBox(void);
    00051   static void initClass(void);
    00052
    00053   void setViewportRegion(const SbViewportRegion & vpr);
    00054   const SbViewportRegion & getViewportRegion(void) const;
    00055
    00056 protected:
    00057   virtual ~SoComputeBoundingBox();
    00058
    00059 private:
    00060   virtual void evaluate(void);
    00061   SoGetBoundingBoxAction * bboxaction;
    00062 };
    00063
    00064 #endif // !COIN_SOCOMPUTEBOUNDINGBOX_H