Qwt User's Guide 6.0.1

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# qwt_scale_div.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_SCALE_DIV_H
    00011 #define QWT_SCALE_DIV_H
    00012
    00013 #include "qwt_global.h"
    00014 #include "qwt_interval.h"
    00015 #include <qlist.h>
    00016
    00017 class QwtInterval;
    00018
    00030 class QWT_EXPORT QwtScaleDiv
    00031 {
    00032 public:
    00034     enum TickType
    00035     {
    00037         NoTick = -1,
    00038
    00040         MinorTick,
    00041
    00043         MediumTick,
    00044
    00046         MajorTick,
    00047
    00049         NTickTypes
    00050     };
    00051
    00052     explicit QwtScaleDiv();
    00053     explicit QwtScaleDiv( const QwtInterval &, QList<double>[NTickTypes] );
    00054     explicit QwtScaleDiv(
    00055         double lowerBound, double upperBound, QList<double>[NTickTypes] );
    00056
    00057     bool operator==( const QwtScaleDiv &s ) const;
    00058     bool operator!=( const QwtScaleDiv &s ) const;
    00059
    00060     void setInterval( double lowerBound, double upperBound );
    00061     void setInterval( const QwtInterval & );
    00062     QwtInterval interval() const;
    00063
    00064     double lowerBound() const;
    00065     double upperBound() const;
    00066     double range() const;
    00067
    00068     bool contains( double v ) const;
    00069
    00070     void setTicks( int type, const QList<double> & );
    00071     const QList<double> &ticks( int type ) const;
    00072
    00073     void invalidate();
    00074     bool isValid() const;
    00075
    00076     void invert();
    00077
    00078 private:
    00079     double d_lowerBound;
    00080     double d_upperBound;
    00081     QList<double> d_ticks[NTickTypes];
    00082
    00083     bool d_isValid;
    00084 };
    00085
    00086 Q_DECLARE_TYPEINFO(QwtScaleDiv, Q_MOVABLE_TYPE);
    00087
    00093 inline void QwtScaleDiv::setInterval( double lowerBound, double upperBound )
    00094 {
    00095     d_lowerBound = lowerBound;
    00096     d_upperBound = upperBound;
    00097 }
    00098
    00102 inline QwtInterval QwtScaleDiv::interval() const
    00103 {
    00104     return QwtInterval( d_lowerBound, d_upperBound );
    00105 }
    00106
    00111 inline double QwtScaleDiv::lowerBound() const
    00112 {
    00113     return d_lowerBound;
    00114 }
    00115
    00120 inline double QwtScaleDiv::upperBound() const
    00121 {
    00122     return d_upperBound;
    00123 }
    00124
    00128 inline double QwtScaleDiv::range() const
    00129 {
    00130     return d_upperBound - d_lowerBound;
    00131 }
    00132 #endif