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qwt_plot_grid.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_GRID_H
#define QWT_PLOT_GRID_H
#include "qwt_global.h"
#include "qwt_plot_item.h"
class QPainter;
class QPen;
class QwtScaleMap;
class QwtScaleDiv;
class QWT_EXPORT QwtPlotGrid : public QwtPlotItem
{
public:
explicit QwtPlotGrid();
virtual ~QwtPlotGrid();
virtual int rtti() const QWT_OVERRIDE;
void enableX( bool );
bool xEnabled() const;
void enableY( bool );
bool yEnabled() const;
void enableXMin( bool );
bool xMinEnabled() const;
void enableYMin( bool );
bool yMinEnabled() const;
void setXDiv( const QwtScaleDiv& );
const QwtScaleDiv& xScaleDiv() const;
void setYDiv( const QwtScaleDiv& );
const QwtScaleDiv& yScaleDiv() const;
void setPen( const QColor&,
qreal width = 0.0, Qt::PenStyle = Qt::SolidLine );
void setPen( const QPen& );
void setMajorPen( const QColor&,
qreal width = 0.0, Qt::PenStyle = Qt::SolidLine );
void setMajorPen( const QPen& );
const QPen& majorPen() const;
void setMinorPen( const QColor&, qreal width = 0.0, Qt::PenStyle = Qt::SolidLine );
void setMinorPen( const QPen& );
const QPen& minorPen() const;
virtual void draw( QPainter*,
const QwtScaleMap& xMap, const QwtScaleMap& yMap,
const QRectF& canvasRect ) const QWT_OVERRIDE;
virtual void updateScaleDiv(
const QwtScaleDiv& xScaleDiv, const QwtScaleDiv& yScaleDiv ) QWT_OVERRIDE;
private:
void drawLines( QPainter*, const QRectF&,
Qt::Orientation, const QwtScaleMap&,
const QList< double >& ) const;
class PrivateData;
PrivateData* m_data;
};
#endif
QList< double >
QwtPlotGrid
A class which draws a coordinate grid.
Definition qwt_plot_grid.h:34
QwtPlotItem
Base class for items on the plot canvas.
Definition qwt_plot_item.h:67
QwtPlotItem::draw
virtual void draw(QPainter *painter, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect) const =0
Draw the item.
QwtPlotItem::rtti
virtual int rtti() const
Definition qwt_plot_item.cpp:136
QwtPlotItem::updateScaleDiv
virtual void updateScaleDiv(const QwtScaleDiv &, const QwtScaleDiv &)
Update the item to changes of the axes scale division.
Definition qwt_plot_item.cpp:665
QwtScaleDiv
A class representing a scale division.
Definition qwt_scale_div.h:34
QwtScaleMap
A scale map.
Definition qwt_scale_map.h:27