83 lines
2.0 KiB
C
83 lines
2.0 KiB
C
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/******************************************************************************
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* QSkinny - Copyright (C) 2016 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 <QskIntervalF.h>
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#include <qobject.h>
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#include <qvector.h>
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#include <qrect.h>
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class QskPlotCorridorSample
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{
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public:
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qreal value = 0.0;
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QskIntervalF boundary;
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};
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Q_DECLARE_TYPEINFO( QskPlotCorridorSample, Q_MOVABLE_TYPE );
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// Hiding the layout of the data behind an abstract API
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class QskPlotCorridorData : public QObject
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{
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Q_OBJECT
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public:
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QskPlotCorridorData( QObject* parent = nullptr );
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virtual ~QskPlotCorridorData();
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virtual qsizetype count() const = 0;
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virtual QskPlotCorridorSample sampleAt( qsizetype index ) const = 0;
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virtual QRectF boundingRect() const;
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int upperIndex( qreal value ) const;
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QskPlotCorridorSample interpolatedSample( qreal value ) const;
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Q_SIGNALS:
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void changed();
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protected:
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mutable QRectF m_boundingRect;
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};
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// A simple implementation using QVector< CorridorSample >
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class QskPlotCorridorSamples : public QskPlotCorridorData
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{
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Q_OBJECT
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using Inherited = QskPlotCorridorData;
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public:
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QskPlotCorridorSamples( QObject* parent = nullptr );
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QskPlotCorridorSamples(
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const QVector< QskPlotCorridorSample >&, QObject* parent = nullptr );
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void setSamples( const QVector< QskPlotCorridorSample >& );
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QVector< QskPlotCorridorSample > samples() const;
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qsizetype count() const override;
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QskPlotCorridorSample sampleAt( qsizetype index ) const override;
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private:
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QVector< QskPlotCorridorSample > m_samples;
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};
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inline QVector< QskPlotCorridorSample > QskPlotCorridorSamples::samples() const
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{
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return m_samples;
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}
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inline qsizetype QskPlotCorridorSamples::count() const
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{
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return m_samples.count();
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}
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inline QskPlotCorridorSample QskPlotCorridorSamples::sampleAt( qsizetype index ) const
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{
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return m_samples.at( index );
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}
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