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_SYMBOL_H
11 #define QWT_SYMBOL_H
12 
13 #include <qbrush.h>
14 #include <qpen.h>
15 #include <qsize.h>
16 #include "qwt_global.h"
17 
18 class QPainter;
19 class QRect;
20 
21 //! A class for drawing symbols
22 class QWT_EXPORT QwtSymbol
23 {
24 public:
25     /*!
26         Style
27         \sa setStyle(), style()
28      */
29     enum Style
30     {
31         NoSymbol = -1,
32 
33         Ellipse,
34         Rect,
35         Diamond,
36         Triangle,
37         DTriangle,
38         UTriangle,
39         LTriangle,
40         RTriangle,
41         Cross,
42         XCross,
43         HLine,
44         VLine,
45         Star1,
46         Star2,
47         Hexagon,
48 
49         StyleCnt
50     };
51 
52 public:
53     QwtSymbol();
54     QwtSymbol(Style st, const QBrush &bd, const QPen &pn, const QSize &s);
55     virtual ~QwtSymbol();
56 
57     bool operator!=(const QwtSymbol &) const;
58     virtual bool operator==(const QwtSymbol &) const;
59 
60     virtual QwtSymbol *clone() const;
61 
62     void setSize(const QSize &s);
63     void setSize(int a, int b = -1);
64     void setBrush(const QBrush& b);
65     void setPen(const QPen &p);
66     void setStyle (Style s);
67 
68     //! Return Brush
brush()69     const QBrush& brush() const { return d_brush; }
70     //! Return Pen
pen()71     const QPen& pen() const { return d_pen; }
72     //! Return Size
size()73     const QSize& size() const { return d_size; }
74     //! Return Style
style()75     Style style() const { return d_style; }
76 
77     void draw(QPainter *p, const QPoint &pt) const;
78     void draw(QPainter *p, int x, int y) const;
79     virtual void draw(QPainter *p, const QRect &r) const;
80 
81 private:
82     QBrush d_brush;
83     QPen d_pen;
84     QSize d_size;
85     Style d_style;
86 };
87 
88 #endif
89