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66 lines
1.9 KiB
66 lines
1.9 KiB
/* -*- mode: C++ ; c-file-style: "stroustrup" -*- ***************************** |
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* Qwt Widget Library |
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* Copyright (C) 1997 Josef Wilgen |
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* Copyright (C) 2002 Uwe Rathmann |
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* |
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* This library is free software; you can redistribute it and/or |
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* modify it under the terms of the Qwt License, Version 1.0 |
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*****************************************************************************/ |
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#ifndef QWT_PLOT_SERIES_ITEM_H |
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#define QWT_PLOT_SERIES_ITEM_H |
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#include "qwt_global.h" |
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#include "qwt_plot_item.h" |
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#include "qwt_scale_div.h" |
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#include "qwt_series_data.h" |
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#include "qwt_series_store.h" |
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/*! |
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\brief Base class for plot items representing a series of samples |
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*/ |
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class QWT_EXPORT QwtPlotSeriesItem: public QwtPlotItem, |
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public virtual QwtAbstractSeriesStore |
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{ |
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public: |
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explicit QwtPlotSeriesItem( const QString &title = QString::null ); |
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explicit QwtPlotSeriesItem( const QwtText &title ); |
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virtual ~QwtPlotSeriesItem(); |
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void setOrientation( Qt::Orientation ); |
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Qt::Orientation orientation() const; |
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virtual void draw( QPainter *p, |
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const QwtScaleMap &xMap, const QwtScaleMap &yMap, |
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const QRectF & ) const; |
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/*! |
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Draw a subset of the samples |
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\param painter Painter |
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\param xMap Maps x-values into pixel coordinates. |
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\param yMap Maps y-values into pixel coordinates. |
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\param canvasRect Contents rectangle of the canvas |
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\param from Index of the first point to be painted |
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\param to Index of the last point to be painted. If to < 0 the |
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curve will be painted to its last point. |
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*/ |
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virtual void drawSeries( QPainter *painter, |
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const QwtScaleMap &xMap, const QwtScaleMap &yMap, |
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const QRectF &canvasRect, int from, int to ) const = 0; |
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virtual QRectF boundingRect() const; |
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virtual void updateScaleDiv( |
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const QwtScaleDiv &, const QwtScaleDiv & ); |
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protected: |
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virtual void dataChanged(); |
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private: |
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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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