qwt_plot_grid.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_GRID_H
#define QWT_PLOT_GRID_H
#include "qwt_global.h"
#include "qwt_plot_item.h"
#include "qwt_scale_div.h"
class QPainter;
class QPen;
class QwtScaleMap;
class QwtScaleDiv;
class QWT_EXPORT QwtPlotGrid: public QwtPlotItem
{
public:
explicit QwtPlotGrid();
virtual ~QwtPlotGrid();
virtual int rtti() const;
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;
virtual void updateScaleDiv(
const QwtScaleDiv &xScaleDiv, const QwtScaleDiv &yScaleDiv );
private:
void drawLines( QPainter *, const QRectF &,
Qt::Orientation, const QwtScaleMap &,
const QList<double> & ) const;
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
QwtScaleMap
A scale map.
Definition: qwt_scale_map.h:30
QwtScaleDiv
A class representing a scale division.
Definition: qwt_scale_div.h:36
QwtPlotGrid
A class which draws a coordinate grid.
Definition: qwt_plot_grid.h:34
QwtPlotItem::rtti
virtual int rtti() const
Definition: qwt_plot_item.cpp:120
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