Referencia de la Clase QwtPlotSvgItem

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

#include <qwt_plot_svgitem.h>

Diagrama de herencias de QwtPlotSvgItem

Lista de todos los miembros.

Clases
class	PrivateData
Métodos públicos
	QwtPlotSvgItem (const QString &title=QString::null)
	Constructor.
	QwtPlotSvgItem (const QwtText &title)
	Constructor.
virtual	~QwtPlotSvgItem ()
	Destructor.
bool	loadFile (const QwtDoubleRect &, const QString &fileName)
bool	loadData (const QwtDoubleRect &, const QByteArray &)
virtual QwtDoubleRect	boundingRect () const
	Bounding rect of the item.
virtual void	draw (QPainter *p, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRect &rect) const
virtual int	rtti () const
Métodos protegidos
void	render (QPainter *painter, const QwtDoubleRect &viewBox, const QRect &rect) const
QwtDoubleRect	viewBox (const QwtDoubleRect &area) const

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Descripción detallada

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

SVG images are often used to display maps

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Documentación del constructor y destructor

QwtPlotSvgItem::QwtPlotSvgItem

(

const QString &

title = QString::null

)

[explicit]

Constructor.

Sets the following item attributes:

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

Parámetros:

title

Title

QwtPlotSvgItem::QwtPlotSvgItem

(

const QwtText &

title

)

[explicit]

Constructor.

Sets the following item attributes:

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

Parámetros:

title

Title

QwtPlotSvgItem::~QwtPlotSvgItem

(

)

[virtual]

Destructor.

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Documentación de las funciones miembro

QwtDoubleRect QwtPlotSvgItem::boundingRect

(

)

const [virtual]

Bounding rect of the item.

Reimplementado de QwtPlotItem.

void QwtPlotSvgItem::draw	(	QPainter *	painter,
		const QwtScaleMap &	xMap,
		const QwtScaleMap &	yMap,
		const QRect &	canvasRect
	)		const [virtual]

Draw the SVG item

Parámetros:

painter	Painter
xMap	X-Scale Map
yMap	Y-Scale Map
canvasRect	Contents rect of the plot canvas

Implementa QwtPlotItem.

bool QwtPlotSvgItem::loadData	(	const QwtDoubleRect &	rect,
		const QByteArray &	data
	)

Load SVG data

Parámetros:

rect	Bounding rectangle
data	in SVG format

Devuelve:

true, if the SVG data could be loaded

bool QwtPlotSvgItem::loadFile	(	const QwtDoubleRect &	rect,
		const QString &	fileName
	)

Load a SVG file

Parámetros:

rect	Bounding rectangle
fileName	SVG file name

Devuelve:

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

Parámetros:

painter	Painter
viewBox	View Box, see QSvgRenderer::viewBox
rect	Traget rectangle on the paint device

int QwtPlotSvgItem::rtti

(

)

const [virtual]

Devuelve:

QwtPlotItem::Rtti_PlotSVG

Reimplementado de QwtPlotItem.

QwtDoubleRect QwtPlotSvgItem::viewBox

(

const QwtDoubleRect &

rect

)

const [protected]

Calculate the viewBox from an rect and boundingRect().

Parámetros:

rect	Rectangle in scale coordinates

Devuelve:

viewBox View Box, see QSvgRenderer::viewBox

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La documentación para esta clase fue generada a partir de los siguientes ficheros:

• src/qwt/src/qwt_plot_svgitem.h
• src/qwt/src/qwt_plot_svgitem.cpp