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00010 #ifndef QWT_COMPASS_ROSE_H
00011 #define QWT_COMPASS_ROSE_H 1
00012
00013 #include "qwt_global.h"
00014 #include <qpalette.h>
00015
00016 class QPainter;
00017
00021 class QWT_EXPORT QwtCompassRose
00022 {
00023 public:
00025 virtual ~QwtCompassRose() {};
00026
00028 virtual void setPalette( const QPalette &p )
00029 {
00030 d_palette = p;
00031 }
00032
00034 const QPalette &palette() const
00035 {
00036 return d_palette;
00037 }
00038
00048 virtual void draw( QPainter *painter, const QPoint ¢er,
00049 int radius, double north,
00050 QPalette::ColorGroup colorGroup = QPalette::Active ) const = 0;
00051
00052 private:
00053 QPalette d_palette;
00054 };
00055
00059 class QWT_EXPORT QwtSimpleCompassRose: public QwtCompassRose
00060 {
00061 public:
00062 QwtSimpleCompassRose( int numThorns = 8, int numThornLevels = -1 );
00063 virtual ~QwtSimpleCompassRose();
00064
00065 void setWidth( double w );
00066 double width() const;
00067
00068 void setNumThorns( int count );
00069 int numThorns() const;
00070
00071 void setNumThornLevels( int count );
00072 int numThornLevels() const;
00073
00074 void setShrinkFactor( double factor );
00075 double shrinkFactor() const;
00076
00077 virtual void draw( QPainter *, const QPoint ¢er, int radius,
00078 double north, QPalette::ColorGroup = QPalette::Active ) const;
00079
00080 static void drawRose( QPainter *, const QPalette &,
00081 const QPoint ¢er, int radius, double origin, double width,
00082 int numThorns, int numThornLevels, double shrinkFactor );
00083
00084 private:
00085 class PrivateData;
00086 PrivateData *d_data;
00087 };
00088
00089 #endif