35 lines
723 B
C++
35 lines
723 B
C++
/*****************************************************************************
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* Qwt Examples - Copyright (C) 2002 Uwe Rathmann
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* This file may be used under the terms of the 3-clause BSD License
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*****************************************************************************/
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#pragma once
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#include <QRect>
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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();
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Q_DISABLE_COPY( SignalData )
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class PrivateData;
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PrivateData* m_data;
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};
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