Open Inventor Release 2024.2.0
 
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SoSelectOne.h
1/*=======================================================================
2 * Copyright 1991-1996, Silicon Graphics, Inc.
3 * ALL RIGHTS RESERVED
4 *
5 * UNPUBLISHED -- Rights reserved under the copyright laws of the United
6 * States. Use of a copyright notice is precautionary only and does not
7 * imply publication or disclosure.
8 *
9 * U.S. GOVERNMENT RESTRICTED RIGHTS LEGEND:
10 * Use, duplication or disclosure by the Government is subject to restrictions
11 * as set forth in FAR 52.227.19(c)(2) or subparagraph (c)(1)(ii) of the Rights
12 * in Technical Data and Computer Software clause at DFARS 252.227-7013 and/or
13 * in similar or successor clauses in the FAR, or the DOD or NASA FAR
14 * Supplement. Contractor/manufacturer is Silicon Graphics, Inc.,
15 * 2011 N. Shoreline Blvd. Mountain View, CA 94039-7311.
16 *
17 * THE CONTENT OF THIS WORK CONTAINS CONFIDENTIAL AND PROPRIETARY
18 * INFORMATION OF SILICON GRAPHICS, INC. ANY DUPLICATION, MODIFICATION,
19 * DISTRIBUTION, OR DISCLOSURE IN ANY FORM, IN WHOLE, OR IN PART, IS STRICTLY
20 * PROHIBITED WITHOUT THE PRIOR EXPRESS WRITTEN PERMISSION OF SILICON
21 * GRAPHICS, INC.
22**=======================================================================*/
23/*=======================================================================
24** Author : Gavin Bell (MMM yyyy)
25**=======================================================================*/
26/*=======================================================================
27 *** THE CONTENT OF THIS WORK IS PROPRIETARY TO FEI S.A.S, (FEI S.A.S.), ***
28 *** AND IS DISTRIBUTED UNDER A LICENSE AGREEMENT. ***
29 *** ***
30 *** REPRODUCTION, DISCLOSURE, OR USE, IN WHOLE OR IN PART, OTHER THAN AS ***
31 *** SPECIFIED IN THE LICENSE ARE NOT TO BE UNDERTAKEN EXCEPT WITH PRIOR ***
32 *** WRITTEN AUTHORIZATION OF FEI S.A.S. ***
33 *** ***
34 *** RESTRICTED RIGHTS LEGEND ***
35 *** USE, DUPLICATION, OR DISCLOSURE BY THE GOVERNMENT OF THE CONTENT OF THIS ***
36 *** WORK OR RELATED DOCUMENTATION IS SUBJECT TO RESTRICTIONS AS SET FORTH IN ***
37 *** SUBPARAGRAPH (C)(1) OF THE COMMERCIAL COMPUTER SOFTWARE RESTRICTED RIGHT ***
38 *** CLAUSE AT FAR 52.227-19 OR SUBPARAGRAPH (C)(1)(II) OF THE RIGHTS IN ***
39 *** TECHNICAL DATA AND COMPUTER SOFTWARE CLAUSE AT DFARS 52.227-7013. ***
40 *** ***
41 *** COPYRIGHT (C) 1996-2014 BY FEI S.A.S, ***
42 *** BORDEAUX, FRANCE ***
43 *** ALL RIGHTS RESERVED ***
44**=======================================================================*/
45/*=======================================================================
46** Modified by : VSG (MMM YYYY)
47**=======================================================================*/
48
49
50#ifndef _SO_SELECTONE_
51#define _SO_SELECTONE_
52
53#include <Inventor/engines/SoSubEngine.h>
54#include <Inventor/fields/SoSFInt32.h>
55#include <Inventor/fields/SoSFName.h>
56
58//
59// Class: SoSelectOne
60//
61// Class that select a single value from a multiple-valued field.
62//
64
103class SoSelectOne : public SoEngine {
104
105 SO_ENGINE_HEADER(SoSelectOne);
106
107 public:
111 SoSelectOne(SoType mfInputType);
112
117
122
127
128 private:
129 static void initClass();
130 static void exitClass();
131
132 // Copies an instance that is encountered through a field connection
133 virtual SoFieldContainer *copyThroughConnection() const;
134
135 private:
136 ~SoSelectOne();
137
139 virtual void evaluate();
140
141 private:
142 SoSelectOne();
143
144 // SelectOne engines must write out their input type before writing
145 // their fields, so these are overridden:
146 virtual SbBool readInstance(SoInput *in, unsigned short flags);
147 virtual void writeInstance(SoOutput *out);
148
149 void setup(SoType);
150
151 int conversionCase;
152
153 SoFieldData *myInputData;
154 SoEngineOutputData *myOutputData;
155
156 SoSFName typeField; // Used when reading/writing
157};
158
159#endif /* _SO_SELECTONE_ */
160
Base class for all engines.
Definition SoEngine.h:133
Class for all engine outputs.
Definition SoEngine.h:279
Abstract base class for objects that contain fields.
Used to read Open Inventor data files.
Definition SoInput.h:363
Base class for all multiple-valued fields.
Definition SoMField.h:134
Used to write Open Inventor data files.
Definition SoOutput.h:186
Field containing a int32_t integer.
Definition SoSFInt32.h:80
Field containing a name.
Definition SoSFName.h:84
Selects one value from a multiple-value field.
SoEngineOutput * output
( lt ) The single value selected.
SoSelectOne(SoType mfInputType)
Constructor.
SoSFInt32 index
Index of the value to select from the multiple-value field.
SoMField * input
The multiple-value field from which the value will be selected.
Stores runtime type information.
Definition SoType.h:98
int SbBool
Boolean type.
Definition SbBase.h:87