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qwt_plot_legenditem.h
/******************************************************************************
* 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_LEGEND_ITEM_H
#define QWT_PLOT_LEGEND_ITEM_H
#include "qwt_global.h"
#include "qwt_plot_item.h"
class QFont;
class QWT_EXPORT QwtPlotLegendItem : public QwtPlotItem
{
public:
enum BackgroundMode
{
LegendBackground,
ItemBackground
};
explicit QwtPlotLegendItem();
virtual ~QwtPlotLegendItem();
virtual int rtti() const QWT_OVERRIDE;
void setAlignmentInCanvas( Qt::Alignment );
Qt::Alignment alignmentInCanvas() const;
void setOffsetInCanvas( Qt::Orientations, int numPixels );
int offsetInCanvas( Qt::Orientation ) const;
void setMaxColumns( uint );
uint maxColumns() const;
void setMargin( int );
int margin() const;
void setSpacing( int );
int spacing() const;
void setItemMargin( int );
int itemMargin() const;
void setItemSpacing( int );
int itemSpacing() const;
void setFont( const QFont& );
QFont font() const;
void setBorderRadius( double );
double borderRadius() const;
void setBorderPen( const QPen& );
QPen borderPen() const;
void setBackgroundBrush( const QBrush& );
QBrush backgroundBrush() const;
void setBackgroundMode( BackgroundMode );
BackgroundMode backgroundMode() const;
void setTextPen( const QPen& );
QPen textPen() const;
virtual void draw( QPainter*,
const QwtScaleMap& xMap, const QwtScaleMap& yMap,
const QRectF& canvasRect ) const QWT_OVERRIDE;
void clearLegend();
virtual void updateLegend( const QwtPlotItem*,
const QList< QwtLegendData >& ) QWT_OVERRIDE;
virtual QRect geometry( const QRectF& canvasRect ) const;
virtual QSize minimumSize( const QwtLegendData& ) const;
virtual int heightForWidth( const QwtLegendData&, int width ) const;
QList< const QwtPlotItem* > plotItems() const;
QList< QRect > legendGeometries( const QwtPlotItem* ) const;
protected:
virtual void drawLegendData( QPainter*,
const QwtPlotItem*, const QwtLegendData&, const QRectF& ) const;
virtual void drawBackground( QPainter*, const QRectF& rect ) const;
private:
class PrivateData;
PrivateData* m_data;
};
#endif
QList
Definition qwt_abstract_legend.h:17
QwtLegendData
Attributes of an entry on a legend.
Definition qwt_legend_data.h:37
QwtPlotItem
Base class for items on the plot canvas.
Definition qwt_plot_item.h:67
QwtPlotItem::rtti
virtual int rtti() const
Definition qwt_plot_item.cpp:136
QwtPlotLegendItem
A class which draws a legend inside the plot canvas.
Definition qwt_plot_legenditem.h:42
QwtPlotLegendItem::BackgroundMode
BackgroundMode
Background mode.
Definition qwt_plot_legenditem.h:55
QwtPlotLegendItem::LegendBackground
@ LegendBackground
The legend has a background.
Definition qwt_plot_legenditem.h:57
QwtScaleMap
A scale map.
Definition qwt_scale_map.h:27