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SoMFNode.h
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1 /*
2  *
3  * Copyright (C) 2000 Silicon Graphics, Inc. All Rights Reserved.
4  *
5  * This library is free software; you can redistribute it and/or
6  * modify it under the terms of the GNU Lesser General Public
7  * License as published by the Free Software Foundation; either
8  * version 2.1 of the License, or (at your option) any later version.
9  *
10  * This library is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
13  * Lesser General Public License for more details.
14  *
15  * Further, this software is distributed without any warranty that it is
16  * free of the rightful claim of any third person regarding infringement
17  * or the like. Any license provided herein, whether implied or
18  * otherwise, applies only to this software file. Patent licenses, if
19  * any, provided herein do not apply to combinations of this program with
20  * other software, or any other product whatsoever.
21  *
22  * You should have received a copy of the GNU Lesser General Public
23  * License along with this library; if not, write to the Free Software
24  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
25  *
26  * Contact information: Silicon Graphics, Inc., 1600 Amphitheatre Pkwy,
27  * Mountain View, CA 94043, or:
28  *
29  * http://www.sgi.com
30  *
31  * For further information regarding this notice, see:
32  *
33  * http://oss.sgi.com/projects/GenInfo/NoticeExplan/
34  *
35  */
36 
37 
38 /*
39  * Copyright (C) 1990,91 Silicon Graphics, Inc.
40  *
41  _______________________________________________________________________
42  ______________ S I L I C O N G R A P H I C S I N C . ____________
43  |
44  | $Revision: 1.1.1.1 $
45  |
46  | Classes:
47  | SoMFNode
48  |
49  | Author(s) : Paul S. Strauss
50  |
51  ______________ S I L I C O N G R A P H I C S I N C . ____________
52  _______________________________________________________________________
53  */
54 
55 #ifndef _SO_MF_NODE_
56 #define _SO_MF_NODE_
57 
58 class SoNode;
59 
61 
62 
65 
82 
83 class INVENTOR_API SoMFNode : public SoMField {
84 
87 
88  SoINTERNAL public:
89  static void initClass();
90 
92  virtual void fixCopy(bool copyConnections);
93 
95  virtual bool referencesCopy() const;
96 
97  private:
99  virtual void countWriteRefs(SoOutput *out) const;
100 
103  void setVal(int index, SoNode *newValue);
104 };
105 
106 #endif /* _SO_MF_NODE_ */
#define SoINTERNAL
Definition: SbBasic.h:155
#define INVENTOR_API
Disable some annoying warnings on MSVC 6.
Definition: SbSystem.h:81
#define SO_MFIELD_HEADER(className, valueType, valueRef)
This macro is all that is needed for most multiple-value field classes.
Definition: SoSubField.h:416
virtual void countWriteRefs(SoOutput *out) const
Counts write-references on field to prepare for writing.
Multiple-value field containing any number of pointers to nodes.
Definition: SoMFNode.h:83
virtual void fixCopy(bool copyConnections)
Update a copied field to use the copy of each node if there is one.
virtual bool referencesCopy() const
Override this to also check the stored nodes.
static void initClass()
Base class for all multiple-valued fields.
Definition: SoField.h:628
Abstract base class for all database nodes.
Definition: SoNode.h:103
Used to write Inventor data files.
Definition: SoOutput.h:90