Qwt User's Guide: qwt_plot_marker.h Source File

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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 // vim: expandtab
    00011
    00012 #ifndef QWT_PLOT_MARKER_H
    00013 #define QWT_PLOT_MARKER_H
    00014
    00015 #include <qpen.h>
    00016 #include <qfont.h>
    00017 #include <qstring.h>
    00018 #include <qbrush.h>
    00019 #include "qwt_global.h"
    00020 #include "qwt_plot_item.h"
    00021
    00022 class QRect;
    00023 class QwtText;
    00024 class QwtSymbol;
    00025
    00045 class QWT_EXPORT QwtPlotMarker: public QwtPlotItem
    00046 {
    00047 public:
    00048
    00053     enum LineStyle {NoLine, HLine, VLine, Cross};
    00054
    00055     explicit QwtPlotMarker();
    00056     virtual ~QwtPlotMarker();
    00057
    00058     virtual int rtti() const;
    00059
    00060     double xValue() const;
    00061     double yValue() const;
    00062     QwtDoublePoint value() const;
    00063
    00064     void setXValue(double);
    00065     void setYValue(double);
    00066     void setValue(double, double);
    00067     void setValue(const QwtDoublePoint &);
    00068
    00069     void setLineStyle(LineStyle st);
    00070     LineStyle lineStyle() const;
    00071
    00072     void setLinePen(const QPen &p);
    00073     const QPen &linePen() const;
    00074
    00075     void setSymbol(const QwtSymbol &s);
    00076     const QwtSymbol &symbol() const;
    00077
    00078     void setLabel(const QwtText&);
    00079     QwtText label() const;
    00080
    00081 #if QT_VERSION < 0x040000
    00082     void setLabelAlignment(int align);
    00083     int labelAlignment() const;
    00084 #else
    00085     void setLabelAlignment(Qt::Alignment);
    00086     Qt::Alignment labelAlignment() const;
    00087 #endif
    00088
    00089     virtual void draw(QPainter *p,
    00090         const QwtScaleMap &xMap, const QwtScaleMap &yMap,
    00091         const QRect &) const;
    00092
    00093     virtual QwtDoubleRect boundingRect() const;
    00094
    00095 private:
    00096     class PrivateData;
    00097     PrivateData *d_data;
    00098 };
    00099
    00100 #endif