| QwtPlotGraphicItem(3) | Qwt User's Guide | QwtPlotGraphicItem(3) |
NAME
QwtPlotGraphicItem - 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
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
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
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
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
See also
Definition at line 96 of file qwt_plot_graphicitem.cpp.
int QwtPlotGraphicItem::rtti () const [override], [virtual]
Returns
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
graphic Recorded sequence of painter commands
Definition at line 82 of file qwt_plot_graphicitem.cpp.
Author
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| Sun Jul 18 2021 | Version 6.2.0 |