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src/qwt/src/qwt_symbol.h
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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_SYMBOL_H
00011 #define QWT_SYMBOL_H
00012 
00013 #include <qbrush.h>
00014 #include <qpen.h>
00015 #include <qsize.h>
00016 #include "qwt_global.h"
00017 
00018 class QPainter;
00019 class QRect;
00020 
00022 class QWT_EXPORT QwtSymbol
00023 {
00024 public:
00029     enum Style 
00030     { 
00031         NoSymbol = -1, 
00032 
00033         Ellipse, 
00034         Rect, 
00035         Diamond, 
00036         Triangle, 
00037         DTriangle,
00038         UTriangle, 
00039         LTriangle, 
00040         RTriangle, 
00041         Cross, 
00042         XCross, 
00043         HLine, 
00044         VLine, 
00045         Star1, 
00046         Star2, 
00047         Hexagon, 
00048 
00049         StyleCnt 
00050     };
00051    
00052 public:
00053     QwtSymbol();
00054     QwtSymbol(Style st, const QBrush &bd, const QPen &pn, const QSize &s);
00055     virtual ~QwtSymbol();
00056     
00057     bool operator!=(const QwtSymbol &) const;
00058     virtual bool operator==(const QwtSymbol &) const;
00059 
00060     virtual QwtSymbol *clone() const;
00061 
00062     void setSize(const QSize &s);
00063     void setSize(int a, int b = -1);
00064     void setBrush(const QBrush& b);
00065     void setPen(const QPen &p);
00066     void setStyle (Style s);
00067 
00069     const QBrush& brush() const { return d_brush; }
00071     const QPen& pen() const { return d_pen; }
00073     const QSize& size() const { return d_size; }
00075     Style style() const { return d_style; } 
00076     
00077     void draw(QPainter *p, const QPoint &pt) const; 
00078     void draw(QPainter *p, int x, int y) const;
00079     virtual void draw(QPainter *p, const QRect &r) const;
00080 
00081 private:
00082     QBrush d_brush;
00083     QPen d_pen;
00084     QSize d_size;
00085     Style d_style;
00086 };
00087 
00088 #endif
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