QwtPlotGraphicItem - Man Page
A plot item, which displays a recorded sequence of QPainter commands.
Synopsis
#include <qwt_plot_graphicitem.h>
Inherits QwtPlotItem.
Inherited by QwtPlotSvgItem.
Public Member Functions
QwtPlotGraphicItem (const QString &title=QString())
Constructor.
QwtPlotGraphicItem (const QwtText &title)
Constructor.
virtual ~QwtPlotGraphicItem ()
Destructor.
void setGraphic (const QRectF &rect, const QwtGraphic &)
QwtGraphic graphic () const
virtual QRectF boundingRect () const override
Bounding rectangle of the item.
virtual void draw (QPainter *, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect) const override
virtual int rtti () const override
Additional Inherited Members
Detailed Description
A plot item, which displays a recorded sequence of QPainter commands.
QwtPlotGraphicItem renders a sequence of recorded painter commands into a specific plot area. Recording of painter commands can be done manually by QPainter or e.g. QSvgRenderer.
- See also
QwtPlotShapeItem, QwtPlotSvgItem
Definition at line 29 of file qwt_plot_graphicitem.h.
Constructor & Destructor Documentation
QwtPlotGraphicItem::QwtPlotGraphicItem (const QString & title = QString()) [explicit]
Constructor. Sets the following item attributes:
- QwtPlotItem::AutoScale: true
- QwtPlotItem::Legend: false
- Parameters
title Title
Definition at line 32 of file qwt_plot_graphicitem.cpp.
QwtPlotGraphicItem::QwtPlotGraphicItem (const QwtText & title) [explicit]
Constructor. Sets the following item attributes:
- QwtPlotItem::AutoScale: true
- QwtPlotItem::Legend: false
- Parameters
title Title
Definition at line 47 of file qwt_plot_graphicitem.cpp.
Member Function Documentation
void QwtPlotGraphicItem::draw (QPainter * painter, const QwtScaleMap & xMap, const QwtScaleMap & yMap, const QRectF & canvasRect) const [override], [virtual]
Draw the item
- Parameters
painter Painter
xMap X-Scale Map
yMap Y-Scale Map
canvasRect Contents rect of the plot canvas
Implements QwtPlotItem.
Definition at line 115 of file qwt_plot_graphicitem.cpp.
QwtGraphic QwtPlotGraphicItem::graphic () const
- Returns
Recorded sequence of painter commands
- See also
setGraphic()
Definition at line 96 of file qwt_plot_graphicitem.cpp.
int QwtPlotGraphicItem::rtti () const [override], [virtual]
- Returns
QwtPlotItem::Rtti_PlotGraphic
Reimplemented from QwtPlotItem.
Definition at line 71 of file qwt_plot_graphicitem.cpp.
void QwtPlotGraphicItem::setGraphic (const QRectF & rect, const QwtGraphic & graphic)
Set the graphic to be displayed
- Parameters
rect Rectangle in plot coordinates
graphic Recorded sequence of painter commands
Definition at line 82 of file qwt_plot_graphicitem.cpp.
Author
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