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00001 /**************************************************************************\ 00002 * 00003 * This file is part of the Coin 3D visualization library. 00004 * Copyright (C) 1998-2007 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 http://www.coin3d.org/ for more information. 00018 * 00019 * Systems in Motion, Postboks 1283, Pirsenteret, 7462 Trondheim, NORWAY. 00020 * http://www.sim.no/ sales@sim.no coin-support@coin3d.org 00021 * 00022 \**************************************************************************/ 00023 00024 #ifndef COIN_SOCALCULATOR_H 00025 #define COIN_SOCALCULATOR_H 00026 00027 #include <Inventor/engines/SoSubEngine.h> 00028 #include <Inventor/engines/SoEngineOutput.h> 00029 #include <Inventor/fields/SoMFFloat.h> 00030 #include <Inventor/fields/SoMFVec3f.h> 00031 #include <Inventor/fields/SoMFString.h> 00032 #include <Inventor/lists/SbList.h> 00033 00034 class SoCalculatorP; 00035 00036 class COIN_DLL_API SoCalculator : public SoEngine { 00037 typedef SoEngine inherited; 00038 00039 SO_ENGINE_HEADER(SoCalculator); 00040 00041 public: 00042 // inputs 00043 SoMFFloat a, b, c, d, e, f, g, h; 00044 SoMFVec3f A, B, C, D, E, F, G, H; 00045 SoMFString expression; 00046 00047 // outputs 00048 SoEngineOutput oa, ob, oc, od; // (SoMFFloat) 00049 SoEngineOutput oA, oB, oC, oD; // (SoMFVec3f) 00050 00051 SoCalculator(void); 00052 00053 static void initClass(void); 00054 00055 protected: 00056 ~SoCalculator(void); 00057 00058 virtual void inputChanged(SoField * which); 00059 00060 private: 00061 virtual void evaluate(void); 00062 00063 static void readfieldcb(const char *name, float *data, void *cbdata); 00064 static void writefieldcb(const char *name, float *data, int comp, void *cbdata); 00065 00066 void evaluateExpression(struct so_eval_node *node, const int fieldidx); 00067 void findUsed(struct so_eval_node *node, char *inused, char *outused); 00068 00069 SoCalculatorP * pimpl; 00070 }; 00071 00072 #endif // !COIN_SOCALCULATOR_H
Copyright © 1998-2007 by Systems in Motion AS. All rights reserved.
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