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SoMField.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_SOMFIELD_H 00021 #define COIN_SOMFIELD_H 00022 00023 #include <Inventor/fields/SoField.h> 00024 00025 class SoInput; 00026 class SoOutput; 00027 00028 00029 class COIN_DLL_API SoMField : public SoField { 00030 typedef SoField inherited; 00031 00032 public: 00033 virtual ~SoMField(); 00034 00035 static SoType getClassTypeId(void); 00036 00037 int getNum(void) const; 00038 void setNum(const int num); 00039 00040 virtual void deleteValues(int start, int num = -1); 00041 virtual void insertSpace(int start, int num); 00042 00043 SbBool set1(const int index, const char * const valuestring); 00044 void get1(const int index, SbString & valuestring); 00045 00046 static void initClass(void); 00047 00048 protected: 00049 SoMField(void); 00050 virtual void makeRoom(int newnum); 00051 00052 #ifndef DOXYGEN_SKIP_THIS // Internal methods. 00053 virtual int fieldSizeof(void) const = 0; 00054 virtual void * valuesPtr(void) = 0; 00055 virtual void setValuesPtr(void * ptr) = 0; 00056 virtual void allocValues(int num); 00057 #endif // DOXYGEN_SKIP_THIS 00058 00059 int num; 00060 int maxNum; 00061 00062 private: 00063 virtual void deleteAllValues(void) = 0; 00064 virtual void copyValue(int to, int from) = 0; 00065 virtual SbBool readValue(SoInput * in); 00066 virtual SbBool read1Value(SoInput * in, int idx) = 0; 00067 virtual void writeValue(SoOutput * out) const; 00068 virtual void write1Value(SoOutput * out, int idx) const = 0; 00069 virtual SbBool readBinaryValues(SoInput * in, int num); 00070 virtual void writeBinaryValues(SoOutput * out) const; 00071 virtual int getNumValuesPerLine(void) const; 00072 00073 static SoType classTypeId; 00074 }; 00075 00076 // inline methods 00077 00078 inline int 00079 SoMField::getNum(void) const 00080 { 00081 this->evaluate(); 00082 return this->num; 00083 } 00084 00085 00086 #endif // !COIN_SOMFIELD_H

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