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qwt_plot_classes.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_CLASSES_H
00011 #define QWT_PLOT_CLASSES_H
00012 
00013 #include "qwt_global.h"
00014 #include "qwt_plot_item.h"
00015 #include "qwt_marker.h"
00016 #include "qwt_curve.h"
00017 #include "qwt_grid.h"
00018 
00023 class QWT_EXPORT QwtPlotCurve: public QwtCurve, public QwtPlotMappedItem
00024 {
00025 public:
00027     QwtPlotCurve(QwtPlot* parent, const QString &title = QString::null): 
00028         QwtCurve(title), 
00029         QwtPlotMappedItem(parent) 
00030     {}
00031 
00033     const QwtPlotCurve& operator=(const QwtPlotCurve &c)
00034     {
00035         QwtPlotMappedItem::operator=((const QwtPlotMappedItem &)c);
00036         QwtCurve::operator=(c);
00037         return *this;
00038     } 
00039 
00041     virtual void curveChanged() { itemChanged(); }
00042 };
00043 
00047 class QWT_EXPORT QwtPlotGrid: public QwtGrid, public QwtPlotMappedItem
00048 {
00049 public:
00051     QwtPlotGrid(QwtPlot *parent): 
00052         QwtPlotMappedItem(parent) {}
00053 
00055     virtual void gridChanged() { itemChanged(); }
00056 };
00057 
00058 
00062 class QWT_EXPORT QwtPlotMarker: public QwtMarker, public QwtPlotMappedItem 
00063 {
00064 public:
00066     QwtPlotMarker(QwtPlot *parent): 
00067         QwtPlotMappedItem(parent),
00068         d_xValue(0.0),
00069         d_yValue(0.0)
00070     {}
00071 
00073     double xValue() const { return d_xValue; }
00074 
00076     double yValue() const { return d_yValue; }
00077 
00079     void setXValue(double val) { d_xValue = val; markerChanged(); }
00080 
00082     void setYValue(double val) { d_yValue = val; markerChanged(); }
00083 
00085     virtual void markerChanged() { itemChanged(); }
00086 
00087 private:
00088     double d_xValue;
00089     double d_yValue;
00090 };
00091 
00092 #endif

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