# 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) 1998-2003 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 <URL:http://www.coin3d.org> for  more information.
    00021  *
    00022  *  Systems in Motion, Teknobyen, Abels Gate 5, 7030 Trondheim, NORWAY.
    00023  *  <URL:http://www.sim.no>.
    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