Sources_For_Linux/Qwt/doc/man/man3/QwtPlotSvgItem.3

.TH "QwtPlotSvgItem" 3 "Mon Dec 28 2020" "Version 6.1.6" "Qwt User's Guide" \" -*- nroff -*-
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.SH NAME
QwtPlotSvgItem \- A plot item, which displays data in Scalable Vector Graphics (SVG) format\&.  

.SH SYNOPSIS
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.PP
.PP
\fC#include <qwt_plot_svgitem\&.h>\fP
.PP
Inherits \fBQwtPlotItem\fP\&.
.SS "Public Member Functions"

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.RI "\fBQwtPlotSvgItem\fP (const QString &\fBtitle\fP=QString())"
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.RI "Constructor\&. "
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.RI "\fBQwtPlotSvgItem\fP (const \fBQwtText\fP &\fBtitle\fP)"
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.RI "Constructor\&. "
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.RI "virtual \fB~QwtPlotSvgItem\fP ()"
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.RI "Destructor\&. "
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.RI "bool \fBloadFile\fP (const QRectF &, const QString &fileName)"
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.RI "bool \fBloadData\fP (const QRectF &, const QByteArray &)"
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.RI "virtual QRectF \fBboundingRect\fP () const"
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.RI "Bounding rectangle of the item\&. "
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.RI "virtual void \fBdraw\fP (QPainter *, const \fBQwtScaleMap\fP &xMap, const \fBQwtScaleMap\fP &yMap, const QRectF &canvasRect) const"
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.RI "virtual int \fBrtti\fP () const"
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.SS "Protected Member Functions"

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.RI "const QSvgRenderer & \fBrenderer\fP () const"
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.RI "QSvgRenderer & \fBrenderer\fP ()"
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.RI "void \fBrender\fP (QPainter *, const QRectF &\fBviewBox\fP, const QRectF &rect) const"
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.RI "QRectF \fBviewBox\fP (const QRectF &rect) const"
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.SS "Additional Inherited Members"
.SH "Detailed Description"
.PP 
A plot item, which displays data in Scalable Vector Graphics (SVG) format\&. 

SVG images are often used to display maps 
.SH "Constructor & Destructor Documentation"
.PP 
.SS "QwtPlotSvgItem::QwtPlotSvgItem (const QString & title = \fCQString()\fP)\fC [explicit]\fP"

.PP
Constructor\&. Sets the following item attributes:
.IP "\(bu" 2
\fBQwtPlotItem::AutoScale\fP: true
.IP "\(bu" 2
\fBQwtPlotItem::Legend\fP: false
.PP
.PP
\fBParameters\fP
.RS 4
\fItitle\fP Title 
.RE
.PP

.SS "QwtPlotSvgItem::QwtPlotSvgItem (const \fBQwtText\fP & title)\fC [explicit]\fP"

.PP
Constructor\&. Sets the following item attributes:
.IP "\(bu" 2
\fBQwtPlotItem::AutoScale\fP: true
.IP "\(bu" 2
\fBQwtPlotItem::Legend\fP: false
.PP
.PP
\fBParameters\fP
.RS 4
\fItitle\fP Title 
.RE
.PP

.SH "Member Function Documentation"
.PP 
.SS "void QwtPlotSvgItem::draw (QPainter * painter, const \fBQwtScaleMap\fP & xMap, const \fBQwtScaleMap\fP & yMap, const QRectF & canvasRect) const\fC [virtual]\fP"
Draw the SVG item
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\fBParameters\fP
.RS 4
\fIpainter\fP Painter 
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\fIxMap\fP X-Scale Map 
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\fIyMap\fP Y-Scale Map 
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\fIcanvasRect\fP Contents rect of the plot canvas 
.RE
.PP

.PP
Implements \fBQwtPlotItem\fP\&.
.SS "bool QwtPlotSvgItem::loadData (const QRectF & rect, const QByteArray & data)"
Load SVG data
.PP
\fBParameters\fP
.RS 4
\fIrect\fP Bounding rectangle 
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\fIdata\fP in SVG format
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\fBReturns\fP
.RS 4
true, if the SVG data could be loaded 
.RE
.PP

.SS "bool QwtPlotSvgItem::loadFile (const QRectF & rect, const QString & fileName)"
Load a SVG file
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\fBParameters\fP
.RS 4
\fIrect\fP Bounding rectangle 
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\fIfileName\fP SVG file name
.RE
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\fBReturns\fP
.RS 4
true, if the SVG file could be loaded 
.RE
.PP

.SS "void QwtPlotSvgItem::render (QPainter * painter, const QRectF & viewBox, const QRectF & rect) const\fC [protected]\fP"
Render the SVG data
.PP
\fBParameters\fP
.RS 4
\fIpainter\fP Painter 
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\fIviewBox\fP View Box, see QSvgRenderer::viewBox() 
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\fIrect\fP Target rectangle on the paint device 
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.SS "QSvgRenderer & QwtPlotSvgItem::renderer ()\fC [protected]\fP"

.PP
\fBReturns\fP
.RS 4
Renderer used to render the SVG data 
.RE
.PP

.SS "const QSvgRenderer & QwtPlotSvgItem::renderer () const\fC [protected]\fP"

.PP
\fBReturns\fP
.RS 4
Renderer used to render the SVG data 
.RE
.PP

.SS "int QwtPlotSvgItem::rtti () const\fC [virtual]\fP"

.PP
\fBReturns\fP
.RS 4
\fBQwtPlotItem::Rtti_PlotSVG\fP 
.RE
.PP

.PP
Reimplemented from \fBQwtPlotItem\fP\&.
.SS "QRectF QwtPlotSvgItem::viewBox (const QRectF & rect) const\fC [protected]\fP"
Calculate the view box from rect and \fBboundingRect()\fP\&.
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\fBParameters\fP
.RS 4
\fIrect\fP Rectangle in scale coordinates 
.RE
.PP
\fBReturns\fP
.RS 4
View box, see QSvgRenderer::viewBox() 
.RE
.PP


.SH "Author"
.PP 
Generated automatically by Doxygen for Qwt User's Guide from the source code\&.