QwtPlotSvgItem Class Reference

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

#include <qwt_plot_svgitem.h>

Inheritance diagram for QwtPlotSvgItem:

List of all members.

Classes
class	PrivateData
Public Member Functions
virtual QRectF	boundingRect () const
	Bounding rectangle of the item.
virtual void	draw (QPainter *p, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &rect) const
bool	loadData (const QRectF &, const QByteArray &)
bool	loadFile (const QRectF &, const QString &fileName)
	QwtPlotSvgItem (const QString &title=QString())
	Constructor.
	QwtPlotSvgItem (const QwtText &title)
	Constructor.
virtual int	rtti () const
virtual	~QwtPlotSvgItem ()
	Destructor.
Protected Member Functions
void	render (QPainter *painter, const QRectF &viewBox, const QRectF &rect) const
const QSvgRenderer &	renderer () const
QSvgRenderer &	renderer ()
QRectF	viewBox (const QRectF &area) const
Private Member Functions
void	init ()
Private Attributes
PrivateData *	d_data

---

Detailed Description

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

SVG images are often used to display maps

Definition at line 27 of file qwt_plot_svgitem.h.

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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

Definition at line 36 of file qwt_plot_svgitem.cpp.

QwtPlotSvgItem::QwtPlotSvgItem

(

const QwtText &

title

)

[explicit]

Constructor.

Sets the following item attributes:

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

Parameters:

title

Title

Definition at line 51 of file qwt_plot_svgitem.cpp.

QwtPlotSvgItem::~QwtPlotSvgItem

(

)

[virtual]

Destructor.

Definition at line 58 of file qwt_plot_svgitem.cpp.

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Member Function Documentation

QRectF QwtPlotSvgItem::boundingRect

(

)

const [virtual]

Bounding rectangle of the item.

Reimplemented from QwtPlotItem.

Definition at line 121 of file qwt_plot_svgitem.cpp.

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.

Definition at line 146 of file qwt_plot_svgitem.cpp.

void QwtPlotSvgItem::init

(

)

[private]

Definition at line 63 of file qwt_plot_svgitem.cpp.

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

Definition at line 108 of file qwt_plot_svgitem.cpp.

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

Definition at line 88 of file qwt_plot_svgitem.cpp.

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

Definition at line 171 of file qwt_plot_svgitem.cpp.

const QSvgRenderer & QwtPlotSvgItem::renderer

(

)

const [protected]

Returns:

Renderer used to render the SVG data

Definition at line 127 of file qwt_plot_svgitem.cpp.

QSvgRenderer & QwtPlotSvgItem::renderer

(

)

[protected]

Returns:

Renderer used to render the SVG data

Definition at line 133 of file qwt_plot_svgitem.cpp.

int QwtPlotSvgItem::rtti

(

)

const [virtual]

Returns:

QwtPlotItem::Rtti_PlotSVG

Reimplemented from QwtPlotItem.

Definition at line 75 of file qwt_plot_svgitem.cpp.

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()

Definition at line 197 of file qwt_plot_svgitem.cpp.

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Member Data Documentation

PrivateData* QwtPlotSvgItem::d_data [private]

Reimplemented from QwtPlotItem.

Definition at line 57 of file qwt_plot_svgitem.h.

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The documentation for this class was generated from the following files:

• qwt_plot_svgitem.h
• qwt_plot_svgitem.cpp