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 00054 { 00055 NoLine, 00056 HLine, 00057 VLine, 00058 Cross 00059 }; 00060 00061 explicit QwtPlotMarker(); 00062 virtual ~QwtPlotMarker(); 00063 00064 virtual int rtti() const; 00065 00066 double xValue() const; 00067 double yValue() const; 00068 QwtDoublePoint value() const; 00069 00070 void setXValue(double); 00071 void setYValue(double); 00072 void setValue(double, double); 00073 void setValue(const QwtDoublePoint &); 00074 00075 void setLineStyle(LineStyle st); 00076 LineStyle lineStyle() const; 00077 00078 void setLinePen(const QPen &p); 00079 const QPen &linePen() const; 00080 00081 void setSymbol(const QwtSymbol &s); 00082 const QwtSymbol &symbol() const; 00083 00084 void setLabel(const QwtText&); 00085 QwtText label() const; 00086 00087 #if QT_VERSION < 0x040000 00088 void setLabelAlignment(int align); 00089 int labelAlignment() const; 00090 #else 00091 void setLabelAlignment(Qt::Alignment); 00092 Qt::Alignment labelAlignment() const; 00093 #endif 00094 00095 void setLabelOrientation(Qt::Orientation); 00096 Qt::Orientation labelOrientation() const; 00097 00098 void setSpacing(int); 00099 int spacing() const; 00100 00101 virtual void draw(QPainter *p, 00102 const QwtScaleMap &xMap, const QwtScaleMap &yMap, 00103 const QRect &) const; 00104 00105 virtual QwtDoubleRect boundingRect() const; 00106 00107 protected: 00108 void drawAt(QPainter *,const QRect &, const QPoint &) const; 00109 00110 private: 00111 void drawLabel(QPainter *, const QRect &, const QPoint &) const; 00112 00113 class PrivateData; 00114 PrivateData *d_data; 00115 }; 00116 00117 #endif
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