You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
95 lines
2.4 KiB
95 lines
2.4 KiB
/* -*- mode: C++ ; c-file-style: "stroustrup" -*- ***************************** |
|
* Qwt Widget Library |
|
* Copyright (C) 1997 Josef Wilgen |
|
* Copyright (C) 2002 Uwe Rathmann |
|
* |
|
* This library is free software; you can redistribute it and/or |
|
* modify it under the terms of the Qwt License, Version 1.0 |
|
*****************************************************************************/ |
|
|
|
#ifndef QWT_COMPASS_ROSE_H |
|
#define QWT_COMPASS_ROSE_H 1 |
|
|
|
#include <qpalette.h> |
|
#include "qwt_global.h" |
|
|
|
class QPainter; |
|
|
|
/*! |
|
\brief Abstract base class for a compass rose |
|
*/ |
|
class QWT_EXPORT QwtCompassRose |
|
{ |
|
public: |
|
virtual ~QwtCompassRose() {}; |
|
|
|
virtual void setPalette(const QPalette &p) { |
|
d_palette = p; |
|
} |
|
const QPalette &palette() const { |
|
return d_palette; |
|
} |
|
|
|
/*! |
|
Draw the rose |
|
|
|
\param painter Painter |
|
\param center Center point |
|
\param radius Radius of the rose |
|
\param north Position |
|
\param colorGroup Color group |
|
*/ |
|
virtual void draw(QPainter *painter, const QPoint ¢er, |
|
int radius, double north, |
|
QPalette::ColorGroup colorGroup = QPalette::Active) const = 0; |
|
|
|
private: |
|
QPalette d_palette; |
|
}; |
|
|
|
/*! |
|
\brief A simple rose for QwtCompass |
|
*/ |
|
class QWT_EXPORT QwtSimpleCompassRose: public QwtCompassRose |
|
{ |
|
public: |
|
QwtSimpleCompassRose(int numThorns = 8, int numThornLevels = -1); |
|
|
|
void setWidth(double w); |
|
double width() const { |
|
return d_width; |
|
} |
|
|
|
void setNumThorns(int count); |
|
int numThorns() const; |
|
|
|
void setNumThornLevels(int count); |
|
int numThornLevels() const; |
|
|
|
void setShrinkFactor(double factor) { |
|
d_shrinkFactor = factor; |
|
} |
|
double shrinkFactor() const { |
|
return d_shrinkFactor; |
|
} |
|
|
|
virtual void draw(QPainter *, const QPoint ¢er, int radius, |
|
double north, QPalette::ColorGroup = QPalette::Active) const; |
|
|
|
static void drawRose(QPainter *, |
|
#if QT_VERSION < 0x040000 |
|
const QColorGroup &, |
|
#else |
|
const QPalette &, |
|
#endif |
|
const QPoint ¢er, int radius, double origin, double width, |
|
int numThorns, int numThornLevels, double shrinkFactor); |
|
|
|
private: |
|
double d_width; |
|
int d_numThorns; |
|
int d_numThornLevels; |
|
double d_shrinkFactor; |
|
}; |
|
|
|
#endif // QWT_COMPASS_ROSE_H
|
|
|