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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) by Kongsberg Oil & Gas Technologies.
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 Kongsberg Oil & Gas Technologies
18 * about acquiring a Coin Professional Edition License.
19 *
20 * See http://www.coin3d.org/ for more information.
21 *
22 * Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, 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 static void atexit_cleanup(void);
40
41 int getNum(void) const;
42 void setNum(const int num);
43
44 virtual void deleteValues(int start, int num = -1);
45 virtual void insertSpace(int start, int num);
46
47 SbBool set1(const int index, const char * const valuestring);
48 void get1(const int index, SbString & valuestring);
49
50 static void initClass(void);
51
52 virtual void enableDeleteValues(void);
53 virtual SbBool isDeleteValuesEnabled(void) const;
54
55 protected:
56 SoMField(void);
57 virtual void makeRoom(int newnum);
58
59 #ifndef DOXYGEN_SKIP_THIS // Internal methods.
60 virtual int fieldSizeof(void) const = 0;
61 virtual void * valuesPtr(void) = 0;
62 virtual void setValuesPtr(void * ptr) = 0;
63 virtual void allocValues(int num);
64 #endif // DOXYGEN_SKIP_THIS
65
66 int num;
67 int maxNum;
68 SbBool userDataIsUsed;
69
70 private:
71 virtual void deleteAllValues(void) = 0;
72 virtual void copyValue(int to, int from) = 0;
73 virtual SbBool readValue(SoInput * in);
74 virtual SbBool read1Value(SoInput * in, int idx) = 0;
75 virtual void writeValue(SoOutput * out) const;
76 virtual void write1Value(SoOutput * out, int idx) const = 0;
77 virtual SbBool readBinaryValues(SoInput * in, int num);
78 virtual void writeBinaryValues(SoOutput * out) const;
79 virtual int getNumValuesPerLine(void) const;
80
81 static SoType classTypeId;
82 };
83
84 // inline methods
85
86 inline int
87 SoMField::getNum(void) const
88 {
89 this->evaluate();
90 return this->num;
91 }
92
93 #endif // !COIN_SOMFIELD_H

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