Qwt User's Guide  5.2.3
qwt_symbol.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_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 
22 class QWT_EXPORT QwtSymbol
23 {
24 public:
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 
69  const QBrush& brush() const { return d_brush; }
71  const QPen& pen() const { return d_pen; }
73  const QSize& size() const { return d_size; }
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