Man page - qwtplotsvgitem(3)

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Manual

QwtPlotSvgItem

NAME
SYNOPSIS
Public Member Functions
Protected Member Functions
Additional Inherited Members
Detailed Description
Constructor & Destructor Documentation
QwtPlotSvgItem::QwtPlotSvgItem (const QString & title = QString())[explicit]
QwtPlotSvgItem::QwtPlotSvgItem (const QwtText & title) [explicit]
Member Function Documentation
void QwtPlotSvgItem::draw (QPainter * painter, const QwtScaleMap & xMap,const QwtScaleMap & yMap, const QRectF & canvasRect) const [virtual]
bool QwtPlotSvgItem::loadData (const QRectF & rect, const QByteArray &data)
bool QwtPlotSvgItem::loadFile (const QRectF & rect, const QString &fileName)
void QwtPlotSvgItem::render (QPainter * painter, const QRectF & viewBox,const QRectF & rect) const [protected]
const QSvgRenderer & QwtPlotSvgItem::renderer () const [protected]
QSvgRenderer & QwtPlotSvgItem::renderer () [protected]
int QwtPlotSvgItem::rtti () const [virtual]
QRectF QwtPlotSvgItem::viewBox (const QRectF & rect) const [protected]
Author

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NAME

QwtPlotSvgItem - A plot item, which displays data in Scalable Vector Graphics (SVG) format.

SYNOPSIS

#include <qwt_plot_svgitem.h>

Inherits QwtPlotItem .

Public Member Functions

QwtPlotSvgItem (const QString & title =QString())
Constructor.
QwtPlotSvgItem (const QwtText & title )
Constructor.
virtual ˜QwtPlotSvgItem ()
Destructor.
bool loadFile (const QRectF &, const QString &fileName)
bool loadData (const QRectF &, const QByteArray &)
virtual QRectF boundingRect () const
Bounding rectangle of the item.
virtual void draw (QPainter *, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect) const
virtual int rtti () const

Protected Member Functions

const QSvgRenderer & renderer () const
QSvgRenderer & renderer ()
void render (QPainter *, const QRectF & viewBox , const QRectF &rect) const
QRectF viewBox (const QRectF &rect) 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())[explicit]

Constructor. Sets the following item attributes:

	•		QwtPlotItem::AutoScale : true
	•		QwtPlotItem::Legend : false

Parameters:

title Title

QwtPlotSvgItem::QwtPlotSvgItem (const QwtText & title) [explicit]

Constructor. Sets the following item attributes:

	•		QwtPlotItem::AutoScale : true
	•		QwtPlotItem::Legend : false

Parameters:

title Title

Member Function Documentation

void QwtPlotSvgItem::draw (QPainter * painter, const QwtScaleMap & xMap,const QwtScaleMap & yMap, const QRectF & 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 QRectF & 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 QRectF & 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 QRectF & viewBox,const QRectF & rect) const [protected]

Render the SVG data

Parameters:

painter Painter
viewBox View Box, see QSvgRenderer::viewBox()
rect Target rectangle on the paint device

const QSvgRenderer & QwtPlotSvgItem::renderer () const [protected]

Returns:

Renderer used to render the SVG data

QSvgRenderer & QwtPlotSvgItem::renderer () [protected]

Returns:

Renderer used to render the SVG data

int QwtPlotSvgItem::rtti () const [virtual]

Returns:

QwtPlotItem::Rtti_PlotSVG

Reimplemented from QwtPlotItem .

QRectF QwtPlotSvgItem::viewBox (const QRectF & rect) const [protected]

Calculate the view box from rect and boundingRect() .

Parameters:

rect Rectangle in scale coordinates

Returns:

View box, see QSvgRenderer::viewBox()

Author

Generated automatically by Doxygen for Qwt User’s Guide from the source code.

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