NAME

       QwtPlotAbstractSeriesItem -

       Base class for plot items representing a series of samples.

SYNOPSIS

       #include <qwt_plot_seriesitem.h>

       Inherits QwtPlotItem.

       Inherited by QwtPlotSeriesItem< T >, QwtPlotSeriesItem< QPointF >, QwtPlotSeriesItem<
       QwtIntervalSample >, and QwtPlotSeriesItem< QwtPoint3D >.

   Public Member Functions
       QwtPlotAbstractSeriesItem (const QString &title=QString::null)
       QwtPlotAbstractSeriesItem (const QwtText &title)
       virtual ~QwtPlotAbstractSeriesItem ()
       void setOrientation (Qt::Orientation)
       Qt::Orientation orientation () const
       virtual void draw (QPainter *p, const QwtScaleMap &xMap, const QwtScaleMap &yMap, const
           QRectF &) const
       virtual void drawSeries (QPainter *painter, const QwtScaleMap &xMap, const QwtScaleMap
           &yMap, const QRectF &canvasRect, int from, int to) const =0

Detailed Description

       Base class for plot items representing a series of samples.

Constructor & Destructor Documentation

   QwtPlotAbstractSeriesItem::QwtPlotAbstractSeriesItem (const QString &title = QString::null)
       [explicit] Constructor
       Parameters:
           title Title of the curve

   QwtPlotAbstractSeriesItem::QwtPlotAbstractSeriesItem (const QwtText &title) [explicit]
       Constructor
       Parameters:
           title Title of the curve

   QwtPlotAbstractSeriesItem::~QwtPlotAbstractSeriesItem () [virtual]
       Destructor.

Member Function Documentation

   void QwtPlotAbstractSeriesItem::draw (QPainter *painter, const QwtScaleMap &xMap, const
       QwtScaleMap &yMap, const QRectF &canvasRect) const [virtual]
       Draw the complete series. Parameters:
           painter Painter
           xMap Maps x-values into pixel coordinates.
           yMap Maps y-values into pixel coordinates.
           canvasRect Contents rect of the canvas

       Implements QwtPlotItem.

   virtual void QwtPlotAbstractSeriesItem::drawSeries (QPainter *painter, const QwtScaleMap
       &xMap, const QwtScaleMap &yMap, const QRectF &canvasRect, intfrom, intto) const [pure
       virtual] Draw a subset of the samples
       Parameters:
           painter Painter
           xMap Maps x-values into pixel coordinates.
           yMap Maps y-values into pixel coordinates.
           canvasRect Contents rect of the canvas
           from Index of the first point to be painted
           to Index of the last point to be painted. If to < 0 the curve will be painted to its
           last point.

       Implemented in QwtPlotCurve, QwtPlotHistogram, QwtPlotIntervalCurve, and
       QwtPlotSpectroCurve.

   Qt::Orientation QwtPlotAbstractSeriesItem::orientation () const Returns:
           Orientation of the plot item

       See also:
           setOrientation()

   void QwtPlotAbstractSeriesItem::setOrientation (Qt::Orientationorientation) Set the
       orientation of the item.
       The orientation() might be used in specific way by a plot item. F.e. a QwtPlotCurve uses
       it to identify how to display the curve int QwtPlotCurve::Steps or QwtPlotCurve::Sticks
       style.

       See also:
           orientation()

Author

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