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SoAntiSquish.h

00001 #ifndef COIN_SOANTISQUISH_H
00002 #define COIN_SOANTISQUISH_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 <Inventor/nodes/SoSubNode.h>
00028 #include <Inventor/nodes/SoTransformation.h>
00029 #include <Inventor/fields/SoSFEnum.h>
00030 #include <Inventor/fields/SoSFBool.h>
00031 #include <Inventor/SbMatrix.h>
00032 
00033 class COIN_DLL_API SoAntiSquish : public SoTransformation {
00034   typedef SoTransformation inherited;
00035 
00036   SO_NODE_HEADER(SoAntiSquish);
00037 
00038 public:
00039   static void initClass(void);
00040   SoAntiSquish(void);
00041 
00042   enum Sizing {
00043     X, Y, Z, AVERAGE_DIMENSION, BIGGEST_DIMENSION, SMALLEST_DIMENSION,
00044     LONGEST_DIAGONAL
00045   };
00046 
00047   SoSFEnum sizing;
00048   SoSFBool recalcAlways;
00049 
00050   void recalc(void);
00051   virtual void doAction(SoAction * action);
00052 
00053 protected:
00054   virtual ~SoAntiSquish();
00055 
00056   virtual void callback(SoCallbackAction * action);
00057   virtual void GLRender(SoGLRenderAction * action);
00058   virtual void getBoundingBox(SoGetBoundingBoxAction * action);
00059   virtual void getMatrix(SoGetMatrixAction * action);
00060   virtual void pick(SoPickAction * action);
00061 
00062   SbMatrix getUnsquishingMatrix(const SbMatrix & squishedmatrix,
00063                                 const SbBool calcinverse,
00064                                 SbMatrix & getinverse);
00065 private:
00066   SbMatrix unsquishedmatrix, inversematrix;
00067   SbBool matrixvalid, inversevalid;
00068 };
00069 
00070 #endif // !COIN_SOANTISQUISH_H

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

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