qwt_plot_grid.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_GRID_H
00011 #define QWT_PLOT_GRID_H
00012 
00013 #include "qwt_global.h"
00014 #include "qwt_plot_item.h"
00015 #include "qwt_scale_div.h"
00016 
00017 class QPainter;
00018 class QPen;
00019 class QwtScaleMap;
00020 class QwtScaleDiv;
00021 
00034 class QWT_EXPORT QwtPlotGrid: public QwtPlotItem
00035 {
00036 public:
00037     explicit QwtPlotGrid();
00038     virtual ~QwtPlotGrid();
00039 
00040     virtual int rtti() const;
00041 
00042     void enableX(bool tf);
00043     bool xEnabled() const;
00044 
00045     void enableY(bool tf);
00046     bool yEnabled() const;
00047 
00048     void enableXMin(bool tf);
00049     bool xMinEnabled() const;
00050 
00051     void enableYMin(bool tf);
00052     bool yMinEnabled() const;
00053 
00054     void setXDiv(const QwtScaleDiv &sx);
00055     const QwtScaleDiv &xScaleDiv() const;
00056 
00057     void setYDiv(const QwtScaleDiv &sy);
00058     const QwtScaleDiv &yScaleDiv() const;
00059 
00060     void setPen(const QPen &p);
00061 
00062     void setMajPen(const QPen &p);
00063     const QPen& majPen() const;
00064 
00065     void setMinPen(const QPen &p);
00066     const QPen& minPen() const;
00067 
00068     virtual void draw(QPainter *p, 
00069         const QwtScaleMap &xMap, const QwtScaleMap &yMap,
00070         const QRect &rect) const;
00071 
00072     virtual void updateScaleDiv(const QwtScaleDiv&,
00073         const QwtScaleDiv&);
00074 
00075 private:
00076     void drawLines(QPainter *painter, const QRect &,
00077         Qt::Orientation orientation, const QwtScaleMap &, 
00078         const QwtValueList &) const;
00079 
00080     class PrivateData;
00081     PrivateData *d_data;
00082 };
00083 
00084 #endif

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