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cxRenderLoop.h
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1 /*=========================================================================
2 This file is part of CustusX, an Image Guided Therapy Application.
3 
4 Copyright (c) 2008-2014, SINTEF Department of Medical Technology
5 All rights reserved.
6 
7 Redistribution and use in source and binary forms, with or without
8 modification, are permitted provided that the following conditions are met:
9 
10 1. Redistributions of source code must retain the above copyright notice,
11  this list of conditions and the following disclaimer.
12 
13 2. Redistributions in binary form must reproduce the above copyright notice,
14  this list of conditions and the following disclaimer in the documentation
15  and/or other materials provided with the distribution.
16 
17 3. Neither the name of the copyright holder nor the names of its contributors
18  may be used to endorse or promote products derived from this software
19  without specific prior written permission.
20 
21 THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
22 AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
24 DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
25 FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
27 SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
28 CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
29 OR TORT (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 #ifndef CXRENDERLOOP_H
33 #define CXRENDERLOOP_H
34 
35 #include "org_custusx_core_view_Export.h"
36 
37 #include <QObject>
38 #include "cxForwardDeclarations.h"
39 class QTimer;
40 #include <QDateTime>
41 #include <set>
42 
43 namespace cx
44 {
45 typedef boost::shared_ptr<class CyclicActionLogger> CyclicActionLoggerPtr;
46 class ViewCollectionWidget;
47 
56 class org_custusx_core_view_EXPORT RenderLoop : public QObject
57 {
58  Q_OBJECT
59 public:
60  RenderLoop();
61  void start();
62  void stop();
63  bool isRunning() const;
64  void setRenderingInterval(int interval);
65  void setSmartRender(bool val);
66  void setLogging(bool on);
67 
68  void clearViews();
69  void addLayout(ViewCollectionWidget* layout);
70 
71  CyclicActionLoggerPtr getRenderTimer() { return mCyclicLogger; }
72 
73 public slots:
74  void requestPreRenderSignal();
75 
76 signals:
77  void preRender();
78  void fps(int number);
79 
80 private slots:
81  void timeoutSlot();
82 
83 private:
84  void sendRenderIntervalToTimer(int interval);
85  void emitPreRenderIfRequested();
86  void renderViews();
87  bool pollForSmartRenderingThisCycle();
88  int calculateTimeToNextRender();
89  void emitFPSIfRequired();
90  void dumpStatistics();
91 
92  QTimer* mTimer;
93  QDateTime mLastFullRender;
94  QDateTime mLastBeginRender;
95 
96  CyclicActionLoggerPtr mCyclicLogger;
97 
98  bool mSmartRender;
99  bool mPreRenderSignalRequested;
100  int mBaseRenderInterval;
101  bool mLogging;
102 
103 // typedef std::set<ViewPtr> ViewSet;
104 // ViewSet mViews;
105  std::vector<QPointer<ViewCollectionWidget> > mLayoutWidgets;
106 };
107 
108 typedef boost::shared_ptr<RenderLoop> RenderLoopPtr;
109 
110 } // namespace cx
111 
112 
113 #endif // CXRENDERLOOP_H
CyclicActionLoggerPtr getRenderTimer()
Definition: cxRenderLoop.h:71
boost::shared_ptr< class CyclicActionLogger > CyclicActionLoggerPtr
boost::shared_ptr< RenderLoop > RenderLoopPtr
Definition: cxRenderLoop.h:108