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SoTimeCounter.h
1 /**************************************************************************\
2 *
3 * This file is part of the Coin 3D visualization library.
4 * Copyright (C) by Kongsberg Oil & Gas Technologies.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU General Public License
8 * ("GPL") version 2 as published by the Free Software Foundation.
9 * See the file LICENSE.GPL at the root directory of this source
10 * distribution for additional information about the GNU GPL.
11 *
12 * For using Coin with software that can not be combined with the GNU
13 * GPL, and for taking advantage of the additional benefits of our
14 * support services, please contact Kongsberg Oil & Gas Technologies
15 * about acquiring a Coin Professional Edition License.
16 *
17 * See http://www.coin3d.org/ for more information.
18 *
19 * Kongsberg Oil & Gas Technologies, Bygdoy Alle 5, 0257 Oslo, NORWAY.
20 * http://www.sim.no/ sales@sim.no coin-support@coin3d.org
21 *
22 \**************************************************************************/
23
24 #ifndef COIN_SOTIMECOUNTER_H
25 #define COIN_SOTIMECOUNTER_H
26
27 #include <Inventor/engines/SoSubEngine.h>
28 #include <Inventor/engines/SoEngineOutput.h>
29 #include <Inventor/fields/SoSFTime.h>
30 #include <Inventor/fields/SoSFFloat.h>
31 #include <Inventor/fields/SoMFFloat.h>
32 #include <Inventor/fields/SoSFBool.h>
33 #include <Inventor/fields/SoSFTrigger.h>
34 #include <Inventor/fields/SoSFShort.h>
35
36 class COIN_DLL_API SoTimeCounter : public SoEngine {
37 typedef SoEngine inherited;
38 SO_ENGINE_HEADER(SoTimeCounter);
39
40 public:
41 SoSFTime timeIn;
42 SoSFShort min;
43 SoSFShort max;
44 SoSFShort step;
45 SoSFBool on;
46 SoSFFloat frequency;
47 SoMFFloat duty;
48 SoSFShort reset;
49 SoSFTrigger syncIn;
50
51 SoEngineOutput output; // SoSFShort
52 SoEngineOutput syncOut; // SoSFTrigger
53
54 SoTimeCounter();
55 static void initClass();
56
57 protected:
58 virtual ~SoTimeCounter(void);
59
60 virtual void inputChanged(SoField * which);
61 virtual void writeInstance(SoOutput * out);
62
63 private:
64 virtual void evaluate(void);
65 void calcStarttime(short value);
66
67 SbBool ispaused;
68 double pausetimeincycle;
69 SbBool firstoutputenable;
70 short outputvalue;
71 int numsteps;
72 int stepnum;
73 double starttime;
74 double cyclelen;
75 short findOutputValue(double timeincycle) const;
76 void calcDutySteps(void);
77 void calcNumSteps(void);
78
79 SbList <double> dutylimits;
80 };
81
82 #endif // !COIN_SOTIMECOUNTER_H

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