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SoAntiSquish.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 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, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY 00016 * http://www.sim.no support@sim.no Voice: +47 22114160 Fax: +47 22207097 00017 * 00018 \**************************************************************************/ 00019 00020 #ifndef COIN_SOANTISQUISH_H 00021 #define COIN_SOANTISQUISH_H 00022 00023 #include <Inventor/nodes/SoSubNode.h> 00024 #include <Inventor/nodes/SoTransformation.h> 00025 #include <Inventor/fields/SoSFEnum.h> 00026 #include <Inventor/fields/SoSFBool.h> 00027 #include <Inventor/SbMatrix.h> 00028 00029 00030 class COIN_DLL_API SoAntiSquish : public SoTransformation { 00031 typedef SoTransformation inherited; 00032 00033 SO_NODE_HEADER(SoAntiSquish); 00034 00035 public: 00036 static void initClass(void); 00037 SoAntiSquish(void); 00038 00039 enum Sizing { 00040 X, Y, Z, AVERAGE_DIMENSION, BIGGEST_DIMENSION, SMALLEST_DIMENSION, 00041 LONGEST_DIAGONAL 00042 }; 00043 00044 SoSFEnum sizing; 00045 SoSFBool recalcAlways; 00046 00047 void recalc(void); 00048 virtual void doAction(SoAction * action); 00049 00050 protected: 00051 virtual ~SoAntiSquish(); 00052 00053 virtual void callback(SoCallbackAction * action); 00054 virtual void GLRender(SoGLRenderAction * action); 00055 virtual void getBoundingBox(SoGetBoundingBoxAction * action); 00056 virtual void getMatrix(SoGetMatrixAction * action); 00057 virtual void pick(SoPickAction * action); 00058 00059 SbMatrix getUnsquishingMatrix(const SbMatrix & squishedmatrix, 00060 const SbBool calcinverse, 00061 SbMatrix & getinverse); 00062 private: 00063 SbMatrix unsquishedmatrix, inversematrix; 00064 SbBool matrixvalid, inversevalid; 00065 }; 00066 00067 #endif // !COIN_SOANTISQUISH_H

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