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qwt_scldiv.h

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_SCLDIV_H
00011 #define QWT_SCLDIV_H
00012 
00013 #include "qwt_global.h"
00014 #include "qwt_array.h"
00015 
00016 #if defined(QWT_TEMPLATEDLL)
00017 // MOC_SKIP_BEGIN
00018 template class QWT_EXPORT QwtArray<double>;
00019 // MOC_SKIP_END
00020 #endif
00021 
00069 class QWT_EXPORT QwtScaleDiv
00070 {
00071 public:
00072     QwtScaleDiv ();
00073 
00074     int operator== (const QwtScaleDiv &s) const;
00075     int operator!= (const QwtScaleDiv &s) const;
00076     
00081     double lBound() const { return d_lBound; }
00086     double hBound() const { return d_hBound; }
00091     uint minCnt() const { return d_minMarks.size(); }
00096     uint majCnt() const { return d_majMarks.size(); }
00097 
00102     bool logScale() const { return d_log; }
00103 
00105     double majMark(int i) const { return d_majMarks[i]; }
00107     double minMark(int i) const { return d_minMarks[i]; }
00108 
00113     double majStep() const { return d_majStep; }
00114     void reset();
00115 
00116     bool rebuild(double lBound, double hBound, int maxMaj, int maxMin,
00117              bool log, double step = 0.0, bool ascend = TRUE);
00118  
00119 private:
00120     bool buildLinDiv(int maxMajMark, int maxMinMark, double step = 0.0);
00121     bool buildLogDiv(int maxMajMark, int maxMinMark, double step = 0.0);
00122    
00123     double d_lBound;
00124     double d_hBound;
00125     double d_majStep;
00126     bool d_log;
00127 
00128     QwtArray<double> d_majMarks;
00129     QwtArray<double> d_minMarks;
00130 };
00131 
00132 #endif

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