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SoMField.h
1 #ifndef COIN_SOMFIELD_H
2 #define COIN_SOMFIELD_H
3 
4 /**************************************************************************\
5  *
6  * This file is part of the Coin 3D visualization library.
7  * Copyright (C) 1998-2007 by Systems in Motion. All rights reserved.
8  *
9  * This library is free software; you can redistribute it and/or
10  * modify it under the terms of the GNU General Public License
11  * ("GPL") version 2 as published by the Free Software Foundation.
12  * See the file LICENSE.GPL at the root directory of this source
13  * distribution for additional information about the GNU GPL.
14  *
15  * For using Coin with software that can not be combined with the GNU
16  * GPL, and for taking advantage of the additional benefits of our
17  * support services, please contact Systems in Motion about acquiring
18  * a Coin Professional Edition License.
19  *
20  * See http://www.coin3d.org/ for more information.
21  *
22  * Systems in Motion, Postboks 1283, Pirsenteret, 7462 Trondheim, NORWAY.
23  * http://www.sim.no/ sales@sim.no coin-support@coin3d.org
24  *
25 \**************************************************************************/
26 
27 #include <Inventor/fields/SoField.h>
28 
29 class SoInput;
30 class SoOutput;
31 
32 class COIN_DLL_API SoMField : public SoField {
33  typedef SoField inherited;
34 
35 public:
36  virtual ~SoMField();
37 
38  static SoType getClassTypeId(void);
39 
40  int getNum(void) const;
41  void setNum(const int num);
42 
43  virtual void deleteValues(int start, int num = -1);
44  virtual void insertSpace(int start, int num);
45 
46  SbBool set1(const int index, const char * const valuestring);
47  void get1(const int index, SbString & valuestring);
48 
49  static void initClass(void);
50 
51  virtual void enableDeleteValues(void);
52  virtual SbBool isDeleteValuesEnabled(void);
53 
54 protected:
55  SoMField(void);
56  virtual void makeRoom(int newnum);
57 
58 #ifndef DOXYGEN_SKIP_THIS // Internal methods.
59  virtual int fieldSizeof(void) const = 0;
60  virtual void * valuesPtr(void) = 0;
61  virtual void setValuesPtr(void * ptr) = 0;
62  virtual void allocValues(int num);
63 #endif // DOXYGEN_SKIP_THIS
64 
65  int num;
66  int maxNum;
68 
69 private:
70  virtual void deleteAllValues(void) = 0;
71  virtual void copyValue(int to, int from) = 0;
72  virtual SbBool readValue(SoInput * in);
73  virtual SbBool read1Value(SoInput * in, int idx) = 0;
74  virtual void writeValue(SoOutput * out) const;
75  virtual void write1Value(SoOutput * out, int idx) const = 0;
76  virtual SbBool readBinaryValues(SoInput * in, int num);
77  virtual void writeBinaryValues(SoOutput * out) const;
78  virtual int getNumValuesPerLine(void) const;
79 
80  static SoType classTypeId;
81 };
82 
83 // inline methods
84 
85 inline int
86 SoMField::getNum(void) const
87 {
88  this->evaluate();
89  return this->num;
90 }
91 
92 #endif // !COIN_SOMFIELD_H

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

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