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QwtPlotSvgItem(3) Qwt User's Guide QwtPlotSvgItem(3)
NAME
QwtPlotSvgItem -
SYNOPSIS
#include <qwt_plot_svgitem.h>
Inherits QwtPlotItem.
Public Member Functions
QwtPlotSvgItem (const QString &title=QString::null)
QwtPlotSvgItem (const QwtText &title)
virtual ~QwtPlotSvgItem ()
virtual QwtDoubleRect boundingRect () const
virtual void draw (QPainter *p, const QwtScaleMap &xMap, const
QwtScaleMap &yMap, const QRect &rect) const
bool loadData (const QwtDoubleRect &, const QByteArray &)
bool loadFile (const QwtDoubleRect &, const QString &fileName)
virtual int rtti () const
Protected Member Functions
void render (QPainter *painter, const QwtDoubleRect &viewBox, const
QRect &rect) const
QwtDoubleRect viewBox (const QwtDoubleRect &area) const
Additional Inherited Members
Detailed Description
A plot item, which displays data in Scalable Vector Graphics (SVG)
format.
SVG images are often used to display maps
Constructor & Destructor Documentation
QwtPlotSvgItem::QwtPlotSvgItem (const QString &title = QString::null)
[explicit]
Constructor. Sets the following item attributes:
o QwtPlotItem::AutoScale: true
o QwtPlotItem::Legend: false
Parameters:
title Title
QwtPlotSvgItem::QwtPlotSvgItem (const QwtText &title) [explicit]
Constructor. Sets the following item attributes:
o QwtPlotItem::AutoScale: true
o QwtPlotItem::Legend: false
Parameters:
title Title
Member Function Documentation
void QwtPlotSvgItem::draw (QPainter *painter, const QwtScaleMap &xMap,
const QwtScaleMap &yMap, const QRect &canvasRect) const [virtual]
Draw the SVG item
Parameters:
painter Painter
xMap X-Scale Map
yMap Y-Scale Map
canvasRect Contents rect of the plot canvas
Implements QwtPlotItem.
bool QwtPlotSvgItem::loadData (const QwtDoubleRect &rect, const QByteArray
&data)
Load SVG data
Parameters:
rect Bounding rectangle
data in SVG format
Returns:
true, if the SVG data could be loaded
bool QwtPlotSvgItem::loadFile (const QwtDoubleRect &rect, const QString
&fileName)
Load a SVG file
Parameters:
rect Bounding rectangle
fileName SVG file name
Returns:
true, if the SVG file could be loaded
void QwtPlotSvgItem::render (QPainter *painter, const QwtDoubleRect
&viewBox, const QRect &rect) const [protected]
Render the SVG data
Parameters:
painter Painter
viewBox View Box, see QSvgRenderer::viewBox
rect Traget rectangle on the paint device
int QwtPlotSvgItem::rtti () const [virtual]
Returns:
QwtPlotItem::Rtti_PlotSVG
Reimplemented from QwtPlotItem.
QwtDoubleRect QwtPlotSvgItem::viewBox (const QwtDoubleRect &rect) const
[protected]
Calculate the viewBox from an rect and boundingRect().
Parameters:
rect Rectangle in scale coordinates
Returns:
viewBox View Box, see QSvgRenderer::viewBox
Author
Generated automatically by Doxygen for Qwt User's Guide from the source
code.
Version 5.2.3 Tue Nov 20 2012 QwtPlotSvgItem(3)