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1 | // Created by: Kirill Gavrilov |
2 | // Copyright (c) 2016 OPEN CASCADE SAS |
3 | // |
4 | // This file is part of Open CASCADE Technology software library. |
5 | // |
6 | // This library is free software; you can redistribute it and/or modify it under |
7 | // the terms of the GNU Lesser General Public License version 2.1 as published |
8 | // by the Free Software Foundation, with special exception defined in the file |
9 | // OCCT_LGPL_EXCEPTION.txt. Consult the file LICENSE_LGPL_21.txt included in OCCT |
10 | // distribution for complete text of the license and disclaimer of any warranty. |
11 | // |
12 | // Alternatively, this file may be used under the terms of Open CASCADE |
13 | // commercial license or contractual agreement. |
14 | |
15 | #ifndef _AIS_AnimationTimer_HeaderFile |
16 | #define _AIS_AnimationTimer_HeaderFile |
17 | |
18 | #include <OSD_Timer.hxx> |
19 | #include <Standard_Transient.hxx> |
20 | #include <Standard_Type.hxx> |
21 | |
22 | //! Auxiliary class defining the animation timer. |
23 | class AIS_AnimationTimer : public Standard_Transient |
24 | { |
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25 | DEFINE_STANDARD_RTTIEXT(AIS_AnimationTimer, Standard_Transient) |
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26 | public: |
27 | |
28 | //! Empty constructor. |
29 | AIS_AnimationTimer() : myTimerFrom (0.0), myTimerSpeed (1.0) {} |
30 | |
31 | //! Return elapsed time in seconds. |
32 | Standard_Real ElapsedTime() const |
33 | { |
34 | return myTimerFrom + myTimer.ElapsedTime() * myTimerSpeed; |
35 | } |
36 | |
37 | //! Return playback speed coefficient (1.0 means normal speed). |
38 | Standard_Real PlaybackSpeed() const { return myTimerSpeed; } |
39 | |
40 | //! Setup playback speed coefficient. |
41 | Standard_EXPORT void SetPlaybackSpeed (const Standard_Real theSpeed); |
42 | |
43 | //! Return true if timer has been started. |
44 | Standard_Boolean IsStarted() const |
45 | { |
46 | return myTimer.IsStarted(); |
47 | } |
48 | |
49 | //! Start the timer. |
50 | void Start() |
51 | { |
52 | myTimer.Start(); |
53 | } |
54 | |
55 | //! Pause the timer. |
56 | Standard_EXPORT void Pause(); |
57 | |
58 | //! Stop the timer. |
59 | Standard_EXPORT void Stop(); |
60 | |
61 | //! Seek the timer to specified position. |
62 | Standard_EXPORT void Seek (const Standard_Real theTime); |
63 | |
64 | protected: |
65 | |
66 | OSD_Timer myTimer; |
67 | Standard_Real myTimerFrom; |
68 | Standard_Real myTimerSpeed; |
69 | |
70 | }; |
71 | |
72 | DEFINE_STANDARD_HANDLE(AIS_AnimationTimer, Standard_Transient) |
73 | |
74 | #endif // _AIS_AnimationTimer_HeaderFile |