qwt_plot_seriesitem.h
/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
* Qwt Widget Library
* Copyright (C) 1997 Josef Wilgen
* Copyright (C) 2002 Uwe Rathmann
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the Qwt License, Version 1.0
*****************************************************************************/
#ifndef QWT_PLOT_SERIES_ITEM_H
#define QWT_PLOT_SERIES_ITEM_H
#include "qwt_global.h"
#include "qwt_plot_item.h"
#include "qwt_scale_div.h"
#include "qwt_series_data.h"
#include "qwt_series_store.h"
class QWT_EXPORT QwtPlotSeriesItem: public QwtPlotItem,
public virtual QwtAbstractSeriesStore
{
public:
explicit QwtPlotSeriesItem( const QString &title = QString() );
explicit QwtPlotSeriesItem( const QwtText &title );
virtual ~QwtPlotSeriesItem();
void setOrientation( Qt::Orientation );
Qt::Orientation orientation() const;
virtual void draw( QPainter *,
const QwtScaleMap &xMap, const QwtScaleMap &yMap,
const QRectF & ) const;
virtual void drawSeries( QPainter *painter,
const QwtScaleMap &xMap, const QwtScaleMap &yMap,
const QRectF &canvasRect, int from, int to ) const = 0;
virtual QRectF boundingRect() const;
virtual void updateScaleDiv(
const QwtScaleDiv &, const QwtScaleDiv & );
protected:
virtual void dataChanged();
private:
class PrivateData;
PrivateData *d_data;
};
#endif
QwtPlotItem::draw
virtual void draw(QPainter *painter, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect) const =0
Draw the item.
QwtPlotItem
Base class for items on the plot canvas.
Definition: qwt_plot_item.h:64
QwtAbstractSeriesStore
Bridge between QwtSeriesStore and QwtPlotSeriesItem.
Definition: qwt_series_store.h:24
QwtText
A class representing a text.
Definition: qwt_text.h:51
QwtScaleMap
A scale map.
Definition: qwt_scale_map.h:30
QwtAbstractSeriesStore::dataChanged
virtual void dataChanged()=0
dataChanged() indicates, that the series has been changed.
QwtPlotSeriesItem
Base class for plot items representing a series of samples.
Definition: qwt_plot_seriesitem.h:22
QwtScaleDiv
A class representing a scale division.
Definition: qwt_scale_div.h:36
QwtPlotItem::boundingRect
virtual QRectF boundingRect() const
Definition: qwt_plot_item.cpp:537
QwtPlotItem::updateScaleDiv
virtual void updateScaleDiv(const QwtScaleDiv &, const QwtScaleDiv &)
Update the item to changes of the axes scale division.
Definition: qwt_plot_item.cpp:636