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filters/declinationfilter/declinationfilter.h

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00001 
00027 #ifndef DECLINATIONFILTER_H
00028 #define DECLINATIONFILTER_H
00029 
00030 #include <QObject>
00031 #include <QAtomicInt>
00032 #include "datatypes/orientationdata.h"
00033 #include "filter.h"
00034 
00038 class DeclinationFilter : public QObject, public Filter<CompassData, DeclinationFilter, CompassData>
00039 {
00040     Q_OBJECT;
00041     Q_PROPERTY(int declinationCorrection READ declinationCorrection);
00042 
00043 public:
00048     static FilterBase* factoryMethod()
00049     {
00050         return new DeclinationFilter();
00051     }
00052 
00057     int declinationCorrection();
00058 
00059 private:
00060     DeclinationFilter();
00061 
00062     void correct(unsigned, const CompassData*);
00063 
00064     void loadSettings();
00065 
00066     CompassData orientation_;
00067     QAtomicInt declinationCorrection_;
00068     quint64 lastUpdate_;
00069     quint64 updateInterval_;
00070 
00071     static const char* declinationKey;
00072 };
00073 
00074 #endif // DECLINATIONFILTER_H

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