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SoSFNode.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  | SoSFNode
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_SF_NODE_
56 #define _SO_SF_NODE_
57 
58 class SoNode;
59 
61 
62 
65 
91 
92 class INVENTOR_API SoSFNode : public SoSField {
93 
96 
97  SoINTERNAL public:
98  static void initClass();
99 
101  virtual void fixCopy(bool copyConnections);
102 
104  virtual bool referencesCopy() const;
105 
106  private:
108  virtual void countWriteRefs(SoOutput *out) const;
109 
112  void setVal(SoNode *newValue);
113 };
114 
115 #endif /* _SO_SF_NODE_ */
#define SoINTERNAL
Definition: SbBasic.h:155
#define INVENTOR_API
Disable some annoying warnings on MSVC 6.
Definition: SbSystem.h:81
#define SO_SFIELD_HEADER(className, valueType, valueRef)
This macro is all that is needed for most single-value field classes.
Definition: SoSubField.h:287
virtual void countWriteRefs(SoOutput *out) const
Counts write-references on field to prepare for writing.
Abstract base class for all database nodes.
Definition: SoNode.h:103
Used to write Inventor data files.
Definition: SoOutput.h:90
Field containing a pointer to a node.
Definition: SoSFNode.h:92
static void initClass()
virtual bool referencesCopy() const
Override this to also check the stored node.
virtual void fixCopy(bool copyConnections)
Update a copied field to use the copy of the node if there is one.
Abstract base class for all single-value fields.
Definition: SoField.h:537