Qwt User's Guide 5.2.3

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qwt_plot_grid.h
1 /* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************
2 * Qwt Widget Library
3 * Copyright (C) 1997 Josef Wilgen
4 * Copyright (C) 2002 Uwe Rathmann
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the Qwt License, Version 1.0
8 *****************************************************************************/
9
10 #ifndef QWT_PLOT_GRID_H
11 #define QWT_PLOT_GRID_H
12
13 #include "qwt_global.h"
14 #include "qwt_plot_item.h"
15 #include "qwt_scale_div.h"
16
17 class QPainter;
18 class QPen;
19 class QwtScaleMap;
20 class QwtScaleDiv;
21
34 class QWT_EXPORT QwtPlotGrid: public QwtPlotItem
35 {
36 public:
37 explicit QwtPlotGrid();
38 virtual ~QwtPlotGrid();
39
40 virtual int rtti() const;
41
42 void enableX(bool tf);
43 bool xEnabled() const;
44
45 void enableY(bool tf);
46 bool yEnabled() const;
47
48 void enableXMin(bool tf);
49 bool xMinEnabled() const;
50
51 void enableYMin(bool tf);
52 bool yMinEnabled() const;
53
54 void setXDiv(const QwtScaleDiv &sx);
55 const QwtScaleDiv &xScaleDiv() const;
56
57 void setYDiv(const QwtScaleDiv &sy);
58 const QwtScaleDiv &yScaleDiv() const;
59
60 void setPen(const QPen &p);
61
62 void setMajPen(const QPen &p);
63 const QPen& majPen() const;
64
65 void setMinPen(const QPen &p);
66 const QPen& minPen() const;
67
68 virtual void draw(QPainter *p,
69 const QwtScaleMap &xMap, const QwtScaleMap &yMap,
70 const QRect &rect) const;
71
72 virtual void updateScaleDiv(const QwtScaleDiv &xMap,
73 const QwtScaleDiv &yMap);
74
75 private:
76 void drawLines(QPainter *painter, const QRect &,
77 Qt::Orientation orientation, const QwtScaleMap &,
78 const QwtValueList &) const;
79
80 class PrivateData;
81 PrivateData *d_data;
82 };
83
84 #endif