A plot item, which displays data in Scalable Vector Graphics (SVG) format. More...
#include <qwt_plot_svgitem.h>
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::null) | |
| 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.
Constructor & Destructor Documentation
| QwtPlotSvgItem::QwtPlotSvgItem | ( | const QString & | title = QString::null | ) | [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] |
Reimplemented from QwtPlotItem.
Definition at line 57 of file qwt_plot_svgitem.h.
The documentation for this class was generated from the following files: