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qwt_plot_multi_barchart.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_BAR_CHART_H
#define QWT_PLOT_BAR_CHART_H
#include "qwt_global.h"
#include "qwt_plot_abstract_barchart.h"
#include "qwt_series_data.h"
class QwtColumnRect;
class QwtColumnSymbol;
class QWT_EXPORT QwtPlotMultiBarChart:
public QwtPlotAbstractBarChart, public QwtSeriesStore<QwtSetSample>
{
public:
enum ChartStyle
{
Grouped,
Stacked
};
explicit QwtPlotMultiBarChart( const QString &title = QString::null );
explicit QwtPlotMultiBarChart( const QwtText &title );
virtual ~QwtPlotMultiBarChart();
virtual int rtti() const;
void setBarTitles( const QList<QwtText> & );
QList<QwtText> barTitles() const;
void setSamples( const QVector<QwtSetSample> & );
void setSamples( const QVector< QVector<double> > & );
void setSamples( QwtSeriesData<QwtSetSample> * );
void setStyle( ChartStyle style );
ChartStyle style() const;
void setSymbol( int barIndex, QwtColumnSymbol *symbol );
const QwtColumnSymbol *symbol( int barIndex ) const;
void resetSymbolMap();
virtual void drawSeries( QPainter *painter,
const QwtScaleMap &xMap, const QwtScaleMap &yMap,
const QRectF &canvasRect, int from, int to ) const;
virtual QRectF boundingRect() const;
virtual QList<QwtLegendData> legendData() const;
virtual QwtGraphic legendIcon( int index, const QSizeF & ) const;
protected:
QwtColumnSymbol *symbol( int barIndex );
virtual QwtColumnSymbol *specialSymbol(
int sampleIndex, int valueIndex ) const;
virtual void drawSample( QPainter *painter,
const QwtScaleMap &xMap, const QwtScaleMap &yMap,
const QRectF &canvasRect, const QwtInterval &boundingInterval,
int index, const QwtSetSample& sample ) const;
virtual void drawBar( QPainter *, int sampleIndex,
int barIndex, const QwtColumnRect & ) const;
void drawStackedBars( QPainter *painter,
const QwtScaleMap &xMap, const QwtScaleMap &yMap,
const QRectF &canvasRect, int index,
double sampleWidth, const QwtSetSample& sample ) const;
void drawGroupedBars( QPainter *painter,
const QwtScaleMap &xMap, const QwtScaleMap &yMap,
const QRectF &canvasRect, int index,
double sampleWidth, const QwtSetSample& sample ) const;
private:
void init();
class PrivateData;
PrivateData *d_data;
};
#endif