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34 lines
549 B
34 lines
549 B
#ifndef _SIGNAL_DATA_H_
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#define _SIGNAL_DATA_H_ 1
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#include <qrect.h>
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class SignalData
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{
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public:
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static SignalData &instance();
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void append( const QPointF &pos );
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void clearStaleValues( double min );
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int size() const;
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QPointF value( int index ) const;
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QRectF boundingRect() const;
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void lock();
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void unlock();
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private:
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SignalData();
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SignalData( const SignalData & );
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SignalData &operator=( const SignalData & );
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virtual ~SignalData();
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class PrivateData;
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PrivateData *d_data;
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};
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#endif
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