1 /**************************************************************************\
2  * Copyright (c) Kongsberg Oil & Gas Technologies AS
3  * All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions are
7  * met:
8  *
9  * Redistributions of source code must retain the above copyright notice,
10  * this list of conditions and the following disclaimer.
11  *
12  * Redistributions in binary form must reproduce the above copyright
13  * notice, this list of conditions and the following disclaimer in the
14  * documentation and/or other materials provided with the distribution.
15  *
16  * Neither the name of the copyright holder nor the names of its
17  * contributors may be used to endorse or promote products derived from
18  * this software without specific prior written permission.
19  *
20  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
21  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
22  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
23  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
24  * HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
25  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
26  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
27  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
28  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
29  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
30  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
31 \**************************************************************************/
32 
33 #ifndef COIN_SOCOUNTER_H
34 #define COIN_SOCOUNTER_H
35 
36 #include <Inventor/engines/SoSubEngine.h>
37 #include <Inventor/engines/SoEngineOutput.h>
38 #include <Inventor/fields/SoSFTrigger.h>
39 #include <Inventor/fields/SoSFShort.h>
40 
41 
42 class COIN_DLL_API SoCounter : public SoEngine {
43   typedef SoEngine inherited;
44 
45   SO_ENGINE_HEADER(SoCounter);
46 
47 public:
48   static void initClass(void);
49   SoCounter(void);
50 
51   SoSFShort min;
52   SoSFShort max;
53   SoSFShort step;
54   SoSFTrigger trigger;
55   SoSFShort reset;
56 
57   SoEngineOutput output;  // SoSFShort
58   SoEngineOutput syncOut; // SoSFTrigger
59 
60 protected:
61   virtual ~SoCounter(void);
62 
63 private:
64   virtual void evaluate(void);
65   virtual void inputChanged(SoField * which);
66 
67   int numsteps;
68   short value;
69 };
70 
71 #endif // !COIN_SOCOUNTER_H
72