qwt__double__interval_8h-source.html
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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"><html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"><title>Qwt User's Guide: qwt_double_interval.h Source File</title><link href="doxygen.css" rel="stylesheet" type="text/css"><link href="tabs.css" rel="stylesheet" type="text/css"></head><body><!-- Generated by Doxygen 1.4.6 --><div class="tabs"> <ul> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="classes.html"><span>Classes</span></a></li> <li id="current"><a href="files.html"><span>Files</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> </ul></div><h1>qwt_double_interval.h</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************</span><a name="l00002"></a>00002 <span class="comment"> * Qwt Widget Library</span><a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 1997 Josef Wilgen</span><a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 2002 Uwe Rathmann</span><a name="l00005"></a>00005 <span class="comment"> * </span><a name="l00006"></a>00006 <span class="comment"> * This library is free software; you can redistribute it and/or</span><a name="l00007"></a>00007 <span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span><a name="l00008"></a>00008 <span class="comment"> *****************************************************************************/</span><a name="l00009"></a>00009 <a name="l00010"></a>00010 <span class="preprocessor">#ifndef QWT_DOUBLE_INTERVAL_H</span><a name="l00011"></a>00011 <span class="preprocessor"></span><span class="preprocessor">#define QWT_DOUBLE_INTERVAL_H</span><a name="l00012"></a>00012 <span class="preprocessor"></span><a name="l00013"></a>00013 <span class="preprocessor">#include "qwt_global.h"</span><a name="l00014"></a>00014 <a name="l00021"></a><a class="code" href="class_qwt_double_interval.html">00021</a> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a><a name="l00022"></a>00022 {<a name="l00023"></a>00023 <span class="keyword">public</span>:<a name="l00024"></a>00024 <span class="keyword">inline</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a>();<a name="l00025"></a>00025 <span class="keyword">inline</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a>(<span class="keywordtype">double</span> minValue, <span class="keywordtype">double</span> maxValue);<a name="l00026"></a>00026 <a name="l00027"></a>00027 <span class="keyword">inline</span> <span class="keywordtype">void</span> setInterval(<span class="keywordtype">double</span> minValue, <span class="keywordtype">double</span> maxValue);<a name="l00028"></a>00028 <a name="l00029"></a>00029 <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> normalized() <span class="keyword">const</span>;<a name="l00030"></a>00030 <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> inverted() <span class="keyword">const</span>;<a name="l00031"></a>00031 <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> limited(<span class="keywordtype">double</span> minValue, <span class="keywordtype">double</span> maxValue) <span class="keyword">const</span>;<a name="l00032"></a>00032 <a name="l00033"></a>00033 <span class="keyword">inline</span> <span class="keywordtype">int</span> operator==(<span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &) <span class="keyword">const</span>;<a name="l00034"></a>00034 <span class="keyword">inline</span> <span class="keywordtype">int</span> operator!=(<span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &) <span class="keyword">const</span>;<a name="l00035"></a>00035 <a name="l00036"></a>00036 <span class="keyword">inline</span> <span class="keywordtype">double</span> minValue() <span class="keyword">const</span>;<a name="l00037"></a>00037 <span class="keyword">inline</span> <span class="keywordtype">double</span> maxValue() <span class="keyword">const</span>;<a name="l00038"></a>00038 <a name="l00039"></a>00039 <span class="keyword">inline</span> <span class="keywordtype">double</span> width() <span class="keyword">const</span>;<a name="l00040"></a>00040 <a name="l00041"></a>00041 <span class="keyword">inline</span> <span class="keywordtype">void</span> setMinValue(<span class="keywordtype">double</span>);<a name="l00042"></a>00042 <span class="keyword">inline</span> <span class="keywordtype">void</span> setMaxValue(<span class="keywordtype">double</span>);<a name="l00043"></a>00043 <a name="l00044"></a>00044 <span class="keywordtype">bool</span> contains(<span class="keywordtype">double</span> value) <span class="keyword">const</span>;<a name="l00045"></a>00045 <a name="l00046"></a>00046 <span class="keywordtype">bool</span> intersects(<span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &) <span class="keyword">const</span>;<a name="l00047"></a>00047 <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> intersect(<span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &) <span class="keyword">const</span>;<a name="l00048"></a>00048 <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> unite(<span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &) <span class="keyword">const</span>;<a name="l00049"></a>00049 <a name="l00050"></a>00050 <span class="keyword">inline</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> operator|(<span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &) <span class="keyword">const</span>;<a name="l00051"></a>00051 <span class="keyword">inline</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> operator&(<span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &) <span class="keyword">const</span>;<a name="l00052"></a>00052 <a name="l00053"></a>00053 <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &operator|=(<span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &);<a name="l00054"></a>00054 <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &operator&=(<span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &);<a name="l00055"></a>00055 <a name="l00056"></a>00056 <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> extend(<span class="keywordtype">double</span> value) <span class="keyword">const</span>;<a name="l00057"></a>00057 <span class="keyword">inline</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> operator|(<span class="keywordtype">double</span>) <span class="keyword">const</span>;<a name="l00058"></a>00058 <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &operator|=(<span class="keywordtype">double</span>);<a name="l00059"></a>00059 <a name="l00060"></a>00060 <span class="keyword">inline</span> <span class="keywordtype">bool</span> isValid() <span class="keyword">const</span>;<a name="l00061"></a>00061 <span class="keyword">inline</span> <span class="keywordtype">bool</span> isNull() <span class="keyword">const</span>;<a name="l00062"></a>00062 <span class="keyword">inline</span> <span class="keywordtype">void</span> invalidate();<a name="l00063"></a>00063 <a name="l00064"></a>00064 <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> symmetrize(<span class="keywordtype">double</span> value) <span class="keyword">const</span>;<a name="l00065"></a>00065 <a name="l00066"></a>00066 <span class="keyword">private</span>:<a name="l00067"></a>00067 <span class="keywordtype">double</span> d_minValue;<a name="l00068"></a>00068 <span class="keywordtype">double</span> d_maxValue;<a name="l00069"></a>00069 };<a name="l00070"></a>00070 <a name="l00077"></a><a class="code" href="class_qwt_double_interval.html#d07ae136fc65e6ad566b482274705cf2">00077</a> <span class="keyword">inline</span> <a class="code" href="class_qwt_double_interval.html#d07ae136fc65e6ad566b482274705cf2">QwtDoubleInterval::QwtDoubleInterval</a>():<a name="l00078"></a>00078 d_minValue(0.0),<a name="l00079"></a>00079 d_maxValue(-1.0)<a name="l00080"></a>00080 {<a name="l00081"></a>00081 }<a name="l00082"></a>00082 <a name="l00089"></a><a class="code" href="class_qwt_double_interval.html#bd54f6f95ab5fb8f77ee1e7354b74620">00089</a> <span class="keyword">inline</span> <a class="code" href="class_qwt_double_interval.html#d07ae136fc65e6ad566b482274705cf2">QwtDoubleInterval::QwtDoubleInterval</a>(<span class="keywordtype">double</span> minValue, <span class="keywordtype">double</span> maxValue):<a name="l00090"></a>00090 d_minValue(minValue),⌨️ 快捷键说明
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