Qwt User's Guide 6.0.1

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# qwt_plot_marker.h

    00001 /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
    00002  * Qwt Widget Library
    00003  * Copyright (C) 1997   Josef Wilgen
    00004  * Copyright (C) 2002   Uwe Rathmann
    00005  *
    00006  * This library is free software; you can redistribute it and/or
    00007  * modify it under the terms of the Qwt License, Version 1.0
    00008  *****************************************************************************/
    00009
    00010 #ifndef QWT_PLOT_MARKER_H
    00011 #define QWT_PLOT_MARKER_H
    00012
    00013 #include <qpen.h>
    00014 #include <qfont.h>
    00015 #include <qstring.h>
    00016 #include <qbrush.h>
    00017 #include "qwt_global.h"
    00018 #include "qwt_plot_item.h"
    00019
    00020 class QRectF;
    00021 class QwtText;
    00022 class QwtSymbol;
    00023
    00044 class QWT_EXPORT QwtPlotMarker: public QwtPlotItem
    00045 {
    00046 public:
    00047
    00052     enum LineStyle
    00053     {
    00055         NoLine,
    00056
    00058         HLine,
    00059
    00061         VLine,
    00062
    00064         Cross
    00065     };
    00066
    00067     explicit QwtPlotMarker();
    00068     virtual ~QwtPlotMarker();
    00069
    00070     virtual int rtti() const;
    00071
    00072     double xValue() const;
    00073     double yValue() const;
    00074     QPointF value() const;
    00075
    00076     void setXValue( double );
    00077     void setYValue( double );
    00078     void setValue( double, double );
    00079     void setValue( const QPointF & );
    00080
    00081     void setLineStyle( LineStyle st );
    00082     LineStyle lineStyle() const;
    00083
    00084     void setLinePen( const QPen &p );
    00085     const QPen &linePen() const;
    00086
    00087     void setSymbol( const QwtSymbol * );
    00088     const QwtSymbol *symbol() const;
    00089
    00090     void setLabel( const QwtText& );
    00091     QwtText label() const;
    00092
    00093     void setLabelAlignment( Qt::Alignment );
    00094     Qt::Alignment labelAlignment() const;
    00095
    00096     void setLabelOrientation( Qt::Orientation );
    00097     Qt::Orientation labelOrientation() const;
    00098
    00099     void setSpacing( int );
    00100     int spacing() const;
    00101
    00102     virtual void draw( QPainter *p,
    00103         const QwtScaleMap &xMap, const QwtScaleMap &yMap,
    00104         const QRectF & ) const;
    00105
    00106     virtual QRectF boundingRect() const;
    00107
    00108     virtual void updateLegend( QwtLegend * ) const;
    00109     virtual void drawLegendIdentifier( QPainter *, const QRectF & ) const;
    00110
    00111 protected:
    00112     virtual void drawLines( QPainter *,
    00113         const QRectF &, const QPointF & ) const;
    00114
    00115     virtual void drawLabel( QPainter *,
    00116         const QRectF &, const QPointF & ) const;
    00117
    00118 private:
    00119
    00120     class PrivateData;
    00121     PrivateData *d_data;
    00122 };
    00123
    00124 #endif