Qwt User's Guide: qwt_interval_data.h Source File

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# qwt_interval_data.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_INTERVAL_DATA_H
    00011 #define QWT_INTERVAL_DATA_H 1
    00012
    00013 #include "qwt_global.h"
    00014 #include "qwt_math.h"
    00015 #include "qwt_array.h"
    00016 #include "qwt_double_interval.h"
    00017 #include "qwt_double_rect.h"
    00018
    00019 #if defined(_MSC_VER) && (_MSC_VER > 1310)
    00020 #include <string.h>
    00021 #endif
    00022
    00023 #if defined(QWT_TEMPLATEDLL)
    00024 // MOC_SKIP_BEGIN
    00025 template class QWT_EXPORT QwtArray<QwtDoubleInterval>;
    00026 template class QWT_EXPORT QwtArray<double>;
    00027 // MOC_SKIP_END
    00028 #endif
    00029
    00034 class QWT_EXPORT QwtIntervalData
    00035 {
    00036 public:
    00037     QwtIntervalData();
    00038     QwtIntervalData(const QwtArray<QwtDoubleInterval> &,
    00039         const QwtArray<double> &);
    00040
    00041     void setData(const QwtArray<QwtDoubleInterval> &,
    00042         const QwtArray<double> &);
    00043
    00044     size_t size() const;
    00045     const QwtDoubleInterval &interval(size_t i) const;
    00046     double value(size_t i) const;
    00047
    00048     QwtDoubleRect boundingRect() const;
    00049
    00050 private:
    00051     QwtArray<QwtDoubleInterval> d_intervals;
    00052     QwtArray<double> d_values;
    00053 };
    00054
    00055 inline size_t QwtIntervalData::size() const
    00056 {
    00057     return qwtMin(d_intervals.size(), d_values.size());
    00058 }
    00059
    00060 inline const QwtDoubleInterval &QwtIntervalData::interval(size_t i) const
    00061 {
    00062     return d_intervals[int(i)];
    00063 }
    00064
    00065 inline double QwtIntervalData::value(size_t i) const
    00066 {
    00067     return d_values[int(i)];
    00068 }
    00069
    00070 #endif