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SoMField.h

00001 #ifndef COIN_SOMFIELD_H
00002 #define COIN_SOMFIELD_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/fields/SoField.h>
00028 
00029 class SoInput;
00030 class SoOutput;
00031 
00032 class COIN_DLL_API SoMField : public SoField {
00033   typedef SoField inherited;
00034 
00035 public:
00036   virtual ~SoMField();
00037 
00038   static SoType getClassTypeId(void);
00039 
00040   int getNum(void) const;
00041   void setNum(const int num);
00042 
00043   virtual void deleteValues(int start, int num = -1);
00044   virtual void insertSpace(int start, int num);
00045 
00046   SbBool set1(const int index, const char * const valuestring);
00047   void get1(const int index, SbString & valuestring);
00048 
00049   static void initClass(void);
00050 
00051   virtual void enableDeleteValues(void);
00052   virtual SbBool isDeleteValuesEnabled(void);
00053 
00054 protected:
00055   SoMField(void);
00056   virtual void makeRoom(int newnum);
00057 
00058 #ifndef DOXYGEN_SKIP_THIS // Internal methods.
00059   virtual int fieldSizeof(void) const = 0;
00060   virtual void * valuesPtr(void) = 0;
00061   virtual void setValuesPtr(void * ptr) = 0;
00062   virtual void allocValues(int num);
00063 #endif // DOXYGEN_SKIP_THIS
00064 
00065   int num;
00066   int maxNum;
00067   SbBool userDataIsUsed;
00068 
00069 private:
00070   virtual void deleteAllValues(void) = 0;
00071   virtual void copyValue(int to, int from) = 0;
00072   virtual SbBool readValue(SoInput * in);
00073   virtual SbBool read1Value(SoInput * in, int idx) = 0;
00074   virtual void writeValue(SoOutput * out) const;
00075   virtual void write1Value(SoOutput * out, int idx) const = 0;
00076   virtual SbBool readBinaryValues(SoInput * in, int num);
00077   virtual void writeBinaryValues(SoOutput * out) const;
00078   virtual int getNumValuesPerLine(void) const;
00079 
00080   static SoType classTypeId;
00081 };
00082 
00083 // inline methods
00084 
00085 inline int
00086 SoMField::getNum(void) const
00087 {
00088   this->evaluate();
00089   return this->num;
00090 }
00091 
00092 #endif // !COIN_SOMFIELD_H

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

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