Open Inventor Release 2024.1.3
 
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SoBlinker.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5 * UNPUBLISHED -- Rights reserved under the copyright laws of the United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 : Ronen Barzel (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_BLINKER_
51#define _SO_BLINKER_
52
53#include <Inventor/nodes/SoSwitch.h>
54#include <Inventor/fields/SoSFFloat.h>
55#include <Inventor/fields/SoSFBool.h>
56#include <Inventor/sensors/SoOneShotSensor.h>
57#include <Inventor/engines/SoTimeCounter.h>
58#include <Inventor/sensors/SoFieldSensor.h>
59
60
62//
63// Class: SoBlinker
64//
65// SoSwitch node cycles between all its children.
66// with only one child, cycles that child on and off.
67//
69
99class SoBlinker : public SoSwitch {
100
101 SO_NODE_HEADER(SoBlinker);
102
103 public:
104 // Fields
115
120
121 private:
122 // Bounding box computation takes all children into account
123 virtual void getBoundingBox(SoGetBoundingBoxAction *action);
124
125 // overload write method not to write internal engines
126 virtual void write(SoWriteAction *action);
127
128 private:
129 static void initClass();
130 static void exitClass();
131
132 virtual void notify(SoNotList *);
133
134 private:
135 virtual ~SoBlinker();
136
137 private:
138 SbBool wasOn; // Remembers previous state of "on" field
139
140 // keep track of internal connection
141 class SoEngineOutput *internalConnection;
142
143 class SoTimeCounter *count;
144 void setupCounter();
145 int nchildren;
146
147 class SoOneShotSensor *childrenSensor;
148 class SoOneShotSensor *whichChildSensor;
149 class SoFieldSensor *onSensor;
150
151 static void childrenSensorCB(void *data, class SoSensor *sensor);
152 static void whichChildSensorCB(void *data, class SoSensor *sensor);
153 static void onSensorCB(void *data, class SoSensor *sensor);
154};
155
156#endif /* _SO_BLINKER_ */
157
Animated cycling switch node.
Definition SoBlinker.h:99
SoSFFloat speed
Defines the speed of the blinker, in cycles per second.
Definition SoBlinker.h:109
SoBlinker()
Creates a blinker node with default settings.
SoSFBool on
Allows applications to enable or disable the blinking easily.
Definition SoBlinker.h:114
Class for all engine outputs.
Definition SoEngine.h:282
Sensor class that can be attached to Open Inventor fields.
Computes bounding box of a scene.
Sensor for one-time only callbacks.
Field containing a single Boolean value.
Definition SoSFBool.h:79
Field containing a floating-point value.
Definition SoSFFloat.h:78
Abstract base class for Open Inventor sensors.
Definition SoSensor.h:100
Group node that traverses one chosen child.
Definition SoSwitch.h:179
Timed integer counter.
Writes a scene graph to a file.
int SbBool
Boolean type.
Definition SbBase.h:87