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

#include <qwt_plot_svgitem.h>

Inheritance diagram for QwtPlotSvgItem:

Classes
class	PrivateData

Public Member Functions
virtual QRectF	boundingRect () const
	Bounding rectangle of the item. More...

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. More...

	QwtPlotSvgItem (const QwtText &title)
	Constructor. More...

virtual int	rtti () const

virtual	~QwtPlotSvgItem ()
	Destructor. More...

Public Member Functions inherited from QwtPlotItem
void	attach (QwtPlot *plot)
	Attach the item to a plot. More...

void	detach ()
	This method detaches a QwtPlotItem from any QwtPlot it has been associated with. More...

virtual void	getCanvasMarginHint (const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasSize, double &left, double &top, double &right, double &bottom) const
	Calculate a hint for the canvas margin. More...

void	hide ()
	Hide the item. More...

bool	isVisible () const

virtual void	itemChanged ()

virtual void	legendChanged ()

virtual QList< QwtLegendData >	legendData () const
	Return all information, that is needed to represent the item on the legend. More...

virtual QwtGraphic	legendIcon (int index, const QSizeF &) const

QSize	legendIconSize () const

QRectF	paintRect (const QwtScaleMap &, const QwtScaleMap &) const
	Calculate the bounding paint rectangle of 2 maps. More...

QwtPlot *	plot () const
	Return attached plot. More...

	QwtPlotItem (const QwtText &title=QwtText())

uint	renderThreadCount () const

QRectF	scaleRect (const QwtScaleMap &, const QwtScaleMap &) const
	Calculate the bounding scale rectangle of 2 maps. More...

void	setAxes (int xAxis, int yAxis)

void	setItemAttribute (ItemAttribute, bool on=true)

void	setItemInterest (ItemInterest, bool on=true)

void	setLegendIconSize (const QSize &)

void	setRenderHint (RenderHint, bool on=true)

void	setRenderThreadCount (uint numThreads)

void	setTitle (const QString &title)

void	setTitle (const QwtText &title)

virtual void	setVisible (bool)

void	setXAxis (int axis)

void	setYAxis (int axis)

void	setZ (double z)
	Set the z value. More...

void	show ()
	Show the item. More...

bool	testItemAttribute (ItemAttribute) const

bool	testItemInterest (ItemInterest) const

bool	testRenderHint (RenderHint) const

const QwtText &	title () const

virtual void	updateLegend (const QwtPlotItem *, const QList< QwtLegendData > &)
	Update the item to changes of the legend info. More...

virtual void	updateScaleDiv (const QwtScaleDiv &, const QwtScaleDiv &)
	Update the item to changes of the axes scale division. More...

int	xAxis () const
	Return xAxis. More...

int	yAxis () const
	Return yAxis. More...

double	z () const

virtual	~QwtPlotItem ()
	Destroy the QwtPlotItem. More...

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

Protected Member Functions inherited from QwtPlotItem
QwtGraphic	defaultIcon (const QBrush &, const QSizeF &) const
	Return a default icon from a brush. More...

Private Member Functions
void	init ()

Private Attributes
PrivateData *	d_data

Additional Inherited Members
Public Types inherited from QwtPlotItem
enum	ItemAttribute { Legend = 0x01, AutoScale = 0x02, Margins = 0x04 }
	Plot Item Attributes. More...

typedef QFlags< ItemAttribute >	ItemAttributes
	Plot Item Attributes. More...

enum	ItemInterest { ScaleInterest = 0x01, LegendInterest = 0x02 }
	Plot Item Interests. More...

typedef QFlags< ItemInterest >	ItemInterests
	Plot Item Interests. More...

enum	RenderHint { RenderAntialiased = 0x1 }
	Render hints. More...

typedef QFlags< RenderHint >	RenderHints
	Render hints. More...

enum	RttiValues { Rtti_PlotItem = 0, Rtti_PlotGrid, Rtti_PlotScale, Rtti_PlotLegend, Rtti_PlotMarker, Rtti_PlotCurve, Rtti_PlotSpectroCurve, Rtti_PlotIntervalCurve, Rtti_PlotHistogram, Rtti_PlotSpectrogram, Rtti_PlotSVG, Rtti_PlotTradingCurve, Rtti_PlotBarChart, Rtti_PlotMultiBarChart, Rtti_PlotShape, Rtti_PlotTextLabel, Rtti_PlotZone, Rtti_PlotUserItem = 1000 }
	Runtime type information. More...

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.

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.

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.

Member Data Documentation

PrivateData* QwtPlotSvgItem::d_data

private

Definition at line 57 of file qwt_plot_svgitem.h.

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

Classes

Public Member Functions

Protected Member Functions

Private Member Functions

Private Attributes

Additional Inherited Members

Detailed Description

Constructor & Destructor Documentation

Member Function Documentation

Member Data Documentation