QWT API (English) 7.0.1
Qt Widget Library for Technical Applications - English API Documentation
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Public Member Functions | List of all members
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:
QwtPlotGraphicItem QwtPlotItem

Public Member Functions

 QwtPlotSvgItem (const QString &title=QString())
 Constructor.
 
 QwtPlotSvgItem (const QwtText &title)
 Constructor.
 
virtual ~QwtPlotSvgItem ()
 Destructor .
 
bool loadFile (const QRectF &, const QString &fileName)
 Load an SVG file.
 
bool loadData (const QRectF &, const QByteArray &)
 Load SVG data.
 
- Public Member Functions inherited from QwtPlotGraphicItem
 QwtPlotGraphicItem (const QString &title=QString())
 Constructor .
 
 QwtPlotGraphicItem (const QwtText &title)
 Constructor with QwtText title .
 
virtual ~QwtPlotGraphicItem ()
 Destructor .
 
void setGraphic (const QRectF &rect, const QwtGraphic &)
 Set graphic with its bounding rectangle .
 
QwtGraphic graphic () const
 Get graphic .
 
virtual QRectF boundingRect () const override
 Get the bounding rectangle .
 
virtual void draw (QPainter *, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect) const override
 Draw the graphic .
 
virtual int rtti () const override
 Get the runtime type information .
 
- Public Member Functions inherited from QwtPlotItem
 QwtPlotItem ()
 Default constructor.
 
 QwtPlotItem (const QString &title)
 Constructor with title as QString.
 
 QwtPlotItem (const QwtText &title)
 Constructor with title as QwtText.
 
virtual ~QwtPlotItem ()
 Destructor.
 
void attach (QwtPlot *plot)
 Attach the item to a plot.
 
void detach ()
 Detach the item from the plot.
 
QwtPlotplot () const
 Get the plot the item is attached to.
 
void setTitle (const QString &title)
 Set the title using a QString.
 
void setTitle (const QwtText &title)
 Set the title using a QwtText.
 
const QwtTexttitle () const
 Get the title.
 
void setItemAttribute (ItemAttribute, bool on=true)
 Set an item attribute.
 
bool testItemAttribute (ItemAttribute) const
 Test an item attribute.
 
void setItemInterest (ItemInterest, bool on=true)
 Set an item interest.
 
bool testItemInterest (ItemInterest) const
 Test an item interest.
 
void setRenderHint (RenderHint, bool on=true)
 Set a render hint.
 
bool testRenderHint (RenderHint) const
 Test a render hint.
 
void setRenderThreadCount (uint numThreads)
 Set the number of render threads.
 
uint renderThreadCount () const
 Get the number of render threads.
 
void setLegendIconSize (const QSize &)
 Set the legend icon size.
 
QSize legendIconSize () const
 Get the legend icon size.
 
double z () const
 Get the z-value.
 
void setZ (double z)
 Set the z-value.
 
void show ()
 Show the item.
 
void hide ()
 Hide the item.
 
virtual void setVisible (bool)
 Set the visibility.
 
bool isVisible () const
 Check if the item is visible.
 
void setAxes (QwtAxisId xAxis, QwtAxisId yAxis)
 Set both axes.
 
void setXAxis (QwtAxisId)
 Set the x-axis.
 
QwtAxisId xAxis () const
 Get the x-axis.
 
void setYAxis (QwtAxisId)
 Set the y-axis.
 
QwtAxisId yAxis () const
 Get the y-axis.
 
virtual void itemChanged ()
 Notify the plot that the item has changed.
 
virtual void legendChanged ()
 Notify the item that the legend has changed.
 
virtual void getCanvasMarginHint (const QwtScaleMap &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect, double &left, double &top, double &right, double &bottom) const
 Get margin hints for the canvas.
 
virtual void updateScaleDiv (const QwtScaleDiv &, const QwtScaleDiv &)
 Update the item with new scale divisions.
 
virtual void updateLegend (const QwtPlotItem *, const QList< QwtLegendData > &)
 Update the item with changes of the legend.
 
QRectF scaleRect (const QwtScaleMap &, const QwtScaleMap &) const
 Calculate the scale rectangle.
 
QRectF paintRect (const QwtScaleMap &, const QwtScaleMap &) const
 Calculate the paint rectangle.
 
virtual QList< QwtLegendDatalegendData () const
 Return legend data.
 
virtual QwtGraphic legendIcon (int index, const QSizeF &) const
 Return a legend icon.
 

Additional Inherited Members

- Public Types inherited from QwtPlotItem
enum  RttiValues {
  Rtti_PlotItem = 0 , Rtti_PlotGrid , Rtti_PlotScale , Rtti_PlotLegend ,
  Rtti_PlotMarker , Rtti_PlotCurve , Rtti_PlotSpectroCurve , Rtti_PlotIntervalCurve ,
  Rtti_PlotHistogram , Rtti_PlotSpectrogram , Rtti_PlotGraphic , Rtti_PlotTradingCurve ,
  Rtti_PlotBarChart , Rtti_PlotMultiBarChart , Rtti_PlotShape , Rtti_PlotTextLabel ,
  Rtti_PlotZone , Rtti_PlotVectorField , Rtti_PlotArrowMarker , Rtti_PlotBoxChart ,
  Rtti_PlotUserItem = 1000
}
 Runtime type information. More...
 
enum  ItemAttribute { Legend = 0x01 , AutoScale = 0x02 , Margins = 0x04 }
 Plot Item Attributes. More...
 
enum  ItemInterest { ScaleInterest = 0x01 , LegendInterest = 0x02 }
 Plot Item Interests. More...
 
enum  RenderHint { RenderAntialiased = 0x1 }
 Render hints . More...
 
- Protected Member Functions inherited from QwtPlotItem
QwtGraphic defaultIcon (const QBrush &, const QSizeF &) const
 Create a default icon.
 

Detailed Description

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

Constructor & Destructor Documentation

◆ QwtPlotSvgItem() [1/2]

QwtPlotSvgItem::QwtPlotSvgItem ( const QString &  title = QString())
explicit

Constructor.

◆ QwtPlotSvgItem() [2/2]

QwtPlotSvgItem::QwtPlotSvgItem ( const QwtText title)
explicit

Constructor.

◆ ~QwtPlotSvgItem()

QwtPlotSvgItem::~QwtPlotSvgItem ( )
virtual

Destructor .

Member Function Documentation

◆ loadData()

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

Load SVG data.

◆ loadFile()

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

Load an SVG file.


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