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<h1>qwt_interval.h</h1> </div>
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<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_INTERVAL_H</span>
<a name="l00011"></a>00011 <span class="preprocessor"></span><span class="preprocessor">#define QWT_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 <span class="preprocessor">#ifndef QT_NO_DEBUG_STREAM</span>
<a name="l00015"></a>00015 <span class="preprocessor"></span><span class="preprocessor">#include <qdebug.h></span>
<a name="l00016"></a>00016 <span class="preprocessor">#endif</span>
<a name="l00017"></a>00017 <span class="preprocessor"></span>
<a name="l00024"></a><a class="code" href="class_qwt_interval.html">00024</a> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a>
<a name="l00025"></a>00025 {
<a name="l00026"></a>00026 <span class="keyword">public</span>:
<a name="l00031"></a><a class="code" href="class_qwt_interval.html#a3a4b4e49495108c660fc07a62af7ac54">00031</a> <span class="keyword">enum</span> <a class="code" href="class_qwt_interval.html#a3a4b4e49495108c660fc07a62af7ac54">BorderFlag</a>
<a name="l00032"></a>00032 {
<a name="l00034"></a><a class="code" href="class_qwt_interval.html#a3a4b4e49495108c660fc07a62af7ac54ad8a550b5eb1062cd84bcba22c60e5e60">00034</a> IncludeBorders = 0x00,
<a name="l00035"></a>00035
<a name="l00037"></a><a class="code" href="class_qwt_interval.html#a3a4b4e49495108c660fc07a62af7ac54aa7fde04c41d882187bb13f0104da7240">00037</a> ExcludeMinimum = 0x01,
<a name="l00038"></a>00038
<a name="l00040"></a><a class="code" href="class_qwt_interval.html#a3a4b4e49495108c660fc07a62af7ac54a70e70e65956ae319e507bc38b792c434">00040</a> ExcludeMaximum = 0x02,
<a name="l00041"></a>00041
<a name="l00043"></a><a class="code" href="class_qwt_interval.html#a3a4b4e49495108c660fc07a62af7ac54afc7d2a399b311a1cc8026681410fc22c">00043</a> ExcludeBorders = ExcludeMinimum | ExcludeMaximum
<a name="l00044"></a>00044 };
<a name="l00045"></a>00045
<a name="l00047"></a><a class="code" href="class_qwt_interval.html#a678a26fcaa91cca596d9aebcbf5776c9">00047</a> <span class="keyword">typedef</span> QFlags<BorderFlag> <a class="code" href="class_qwt_interval.html#a678a26fcaa91cca596d9aebcbf5776c9" title="Border flags.">BorderFlags</a>;
<a name="l00048"></a>00048
<a name="l00049"></a>00049 <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a>();
<a name="l00050"></a>00050 <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a>( <span class="keywordtype">double</span> minValue, <span class="keywordtype">double</span> maxValue,
<a name="l00051"></a>00051 <a class="code" href="class_qwt_interval.html#a678a26fcaa91cca596d9aebcbf5776c9" title="Border flags.">BorderFlags</a> = IncludeBorders );
<a name="l00052"></a>00052
<a name="l00053"></a>00053 <span class="keywordtype">void</span> setInterval( <span class="keywordtype">double</span> minValue, <span class="keywordtype">double</span> maxValue,
<a name="l00054"></a>00054 <a class="code" href="class_qwt_interval.html#a678a26fcaa91cca596d9aebcbf5776c9" title="Border flags.">BorderFlags</a> = IncludeBorders );
<a name="l00055"></a>00055
<a name="l00056"></a>00056 <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> normalized() <span class="keyword">const</span>;
<a name="l00057"></a>00057 <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> inverted() <span class="keyword">const</span>;
<a name="l00058"></a>00058 <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> limited( <span class="keywordtype">double</span> minValue, <span class="keywordtype">double</span> maxValue ) <span class="keyword">const</span>;
<a name="l00059"></a>00059
<a name="l00060"></a>00060 <span class="keywordtype">bool</span> operator==( <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> & ) <span class="keyword">const</span>;
<a name="l00061"></a>00061 <span class="keywordtype">bool</span> operator!=( <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> & ) <span class="keyword">const</span>;
<a name="l00062"></a>00062
<a name="l00063"></a>00063 <span class="keywordtype">void</span> setBorderFlags( <a class="code" href="class_qwt_interval.html#a678a26fcaa91cca596d9aebcbf5776c9" title="Border flags.">BorderFlags</a> );
<a name="l00064"></a>00064 <a class="code" href="class_qwt_interval.html#a678a26fcaa91cca596d9aebcbf5776c9" title="Border flags.">BorderFlags</a> borderFlags() <span class="keyword">const</span>;
<a name="l00065"></a>00065
<a name="l00066"></a>00066 <span class="keywordtype">double</span> minValue() <span class="keyword">const</span>;
<a name="l00067"></a>00067 <span class="keywordtype">double</span> maxValue() <span class="keyword">const</span>;
<a name="l00068"></a>00068
<a name="l00069"></a>00069 <span class="keywordtype">double</span> width() <span class="keyword">const</span>;
<a name="l00070"></a>00070
<a name="l00071"></a>00071 <span class="keywordtype">void</span> setMinValue( <span class="keywordtype">double</span> );
<a name="l00072"></a>00072 <span class="keywordtype">void</span> setMaxValue( <span class="keywordtype">double</span> );
<a name="l00073"></a>00073
<a name="l00074"></a>00074 <span class="keywordtype">bool</span> contains( <span class="keywordtype">double</span> value ) <span class="keyword">const</span>;
<a name="l00075"></a>00075
<a name="l00076"></a>00076 <span class="keywordtype">bool</span> intersects( <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> & ) <span class="keyword">const</span>;
<a name="l00077"></a>00077 <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> intersect( <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> & ) <span class="keyword">const</span>;
<a name="l00078"></a>00078 <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> unite( <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> & ) <span class="keyword">const</span>;
<a name="l00079"></a>00079
<a name="l00080"></a>00080 <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> operator|( <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> & ) <span class="keyword">const</span>;
<a name="l00081"></a>00081 <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> operator&( <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> & ) <span class="keyword">const</span>;
<a name="l00082"></a>00082
<a name="l00083"></a>00083 <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> &operator|=( <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> & );
<a name="l00084"></a>00084 <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> &operator&=( <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> & );
<a name="l00085"></a>00085
<a name="l00086"></a>00086 <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> extend( <span class="keywordtype">double</span> value ) <span class="keyword">const</span>;
<a name="l00087"></a>00087 <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> operator|( <span class="keywordtype">double</span> ) <span class="keyword">const</span>;
<a name="l00088"></a>00088 <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> &operator|=( <span class="keywordtype">double</span> );
<a name="l00089"></a>00089
<a name="l00090"></a>00090 <span class="keywordtype">bool</span> isValid() <span class="keyword">const</span>;
<a name="l00091"></a>00091 <span class="keywordtype">bool</span> isNull() <span class="keyword">const</span>;
<a name="l00092"></a>00092 <span class="keywordtype">void</span> invalidate();
<a name="l00093"></a>00093
<a name="l00094"></a>00094 <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> symmetrize( <span class="keywordtype">double</span> value ) <span class="keyword">const</span>;
<a name="l00095"></a>00095
<a name="l00096"></a>00096 <span class="keyword">private</span>:
<a name="l00097"></a>00097 <span class="keywordtype">double</span> d_minValue;
<a name="l00098"></a>00098 <span class="keywordtype">double</span> d_maxValue;
<a name="l00099"></a>00099 <a class="code" href="class_qwt_interval.html#a678a26fcaa91cca596d9aebcbf5776c9" title="Border flags.">BorderFlags</a> d_borderFlags;
<a name="l00100"></a>00100 };
<a name="l00101"></a>00101
<a name="l00102"></a>00102 Q_DECLARE_TYPEINFO(<a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a>, Q_MOVABLE_TYPE);
<a name="l00103"></a>00103
<a name="l00110"></a><a class="code" href="class_qwt_interval.html#acd8699b69f46bcea31fa225d1425add3">00110</a> <span class="keyword">inline</span> <a class="code" href="class_qwt_interval.html#acd8699b69f46bcea31fa225d1425add3" title="Default Constructor.">QwtInterval::QwtInterval</a>():
<a name="l00111"></a>00111 d_minValue( 0.0 ),
<a name="l00112"></a>00112 d_maxValue( -1.0 ),
<a name="l00113"></a>00113 d_borderFlags( IncludeBorders )
<a name="l00114"></a>00114 {
<a name="l00115"></a>00115 }
<a name="l00116"></a>00116
<a name="l00126"></a><a class="code" href="class_qwt_interval.html#a6c48e99ff0a44784a4084dd8b1bc3fec">00126</a> <span class="keyword">inline</span> <a class="code" href="class_qwt_interval.html#acd8699b69f46bcea31fa225d1425add3" title="Default Constructor.">QwtInterval::QwtInterval</a>(
<a name="l00127"></a>00127 <span class="keywordtype">double</span> minValue, <span class="keywordtype">double</span> maxValue, <a class="code" href="class_qwt_interval.html#a678a26fcaa91cca596d9aebcbf5776c9" title="Border flags.">BorderFlags</a> borderFlags ):
<a name="l00128"></a>00128 d_minValue( minValue ),
<a name="l00129"></a>00129 d_maxValue( maxValue ),
<a name="l00130"></a>00130 d_borderFlags( borderFlags )
<a name="l00131"></a>00131 {
<a name="l00132"></a>00132 }
<a name="l00133"></a>00133
<a name="l00141"></a><a class="code" href="class_qwt_interval.html#a0373ca3cdb22ed507e4188fd06f68b17">00141</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_interval.html#a0373ca3cdb22ed507e4188fd06f68b17">QwtInterval::setInterval</a>(
<a name="l00142"></a>00142 <span class="keywordtype">double</span> minValue, <span class="keywordtype">double</span> maxValue, <a class="code" href="class_qwt_interval.html#a678a26fcaa91cca596d9aebcbf5776c9" title="Border flags.">BorderFlags</a> borderFlags )
<a name="l00143"></a>00143 {
<a name="l00144"></a>00144 d_minValue = <a class="code" href="class_qwt_interval.html#a173c9193bd16f99589db60326df04310">minValue</a>;
<a name="l00145"></a>00145 d_maxValue = <a class="code" href="class_qwt_interval.html#aac7cffc81147c07efc4a95c2e6222a1a">maxValue</a>;
<a name="l00146"></a>00146 d_borderFlags = <a class="code" href="class_qwt_interval.html#a885306d2a8538fe37c1446853aa18018">borderFlags</a>;
<a name="l00147"></a>00147 }
<a name="l00148"></a>00148
<a name="l00155"></a><a class="code" href="class_qwt_interval.html#ad1bce23251519f0d44937413f8547dc5">00155</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_interval.html#ad1bce23251519f0d44937413f8547dc5">QwtInterval::setBorderFlags</a>( <a class="code" href="class_qwt_interval.html#a678a26fcaa91cca596d9aebcbf5776c9" title="Border flags.">BorderFlags</a> borderFlags )
<a name="l00156"></a>00156 {
<a name="l00157"></a>00157 d_borderFlags = <a class="code" href="class_qwt_interval.html#a885306d2a8538fe37c1446853aa18018">borderFlags</a>;
<a name="l00158"></a>00158 }
<a name="l00159"></a>00159
<a name="l00164"></a><a class="code" href="class_qwt_interval.html#a885306d2a8538fe37c1446853aa18018">00164</a> <span class="keyword">inline</span> <a class="code" href="class_qwt_interval.html#a678a26fcaa91cca596d9aebcbf5776c9" title="Border flags.">QwtInterval::BorderFlags</a> <a class="code" href="class_qwt_interval.html#a885306d2a8538fe37c1446853aa18018">QwtInterval::borderFlags</a>()<span class="keyword"> const</span>
<a name="l00165"></a>00165 <span class="keyword"></span>{
<a name="l00166"></a>00166 <span class="keywordflow">return</span> d_borderFlags;
<a name="l00167"></a>00167 }
<a name="l00168"></a>00168
<a name="l00174"></a><a class="code" href="class_qwt_interval.html#ab993dac41ca70402e0cb4f9f980d90f0">00174</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_interval.html#ab993dac41ca70402e0cb4f9f980d90f0">QwtInterval::setMinValue</a>( <span class="keywordtype">double</span> minValue )
<a name="l00175"></a>00175 {
<a name="l00176"></a>00176 d_minValue = <a class="code" href="class_qwt_interval.html#a173c9193bd16f99589db60326df04310">minValue</a>;
<a name="l00177"></a>00177 }
<a name="l00178"></a>00178
<a name="l00184"></a><a class="code" href="class_qwt_interval.html#a3eeedaf35966d535670863cb0f97613a">00184</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_interval.html#a3eeedaf35966d535670863cb0f97613a">QwtInterval::setMaxValue</a>( <span class="keywordtype">double</span> maxValue )
<a name="l00185"></a>00185 {
<a name="l00186"></a>00186 d_maxValue = <a class="code" href="class_qwt_interval.html#aac7cffc81147c07efc4a95c2e6222a1a">maxValue</a>;
<a name="l00187"></a>00187 }
<a name="l00188"></a>00188
<a name="l00190"></a><a class="code" href="class_qwt_interval.html#a173c9193bd16f99589db60326df04310">00190</a> <span class="keyword">inline</span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_interval.html#a173c9193bd16f99589db60326df04310">QwtInterval::minValue</a>()<span class="keyword"> const</span>
<a name="l00191"></a>00191 <span class="keyword"></span>{
<a name="l00192"></a>00192 <span class="keywordflow">return</span> d_minValue;
<a name="l00193"></a>00193 }
<a name="l00194"></a>00194
<a name="l00196"></a><a class="code" href="class_qwt_interval.html#aac7cffc81147c07efc4a95c2e6222a1a">00196</a> <span class="keyword">inline</span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_interval.html#aac7cffc81147c07efc4a95c2e6222a1a">QwtInterval::maxValue</a>()<span class="keyword"> const</span>
<a name="l00197"></a>00197 <span class="keyword"></span>{
<a name="l00198"></a>00198 <span class="keywordflow">return</span> d_maxValue;
<a name="l00199"></a>00199 }
<a name="l00200"></a>00200
<a name="l00208"></a><a class="code" href="class_qwt_interval.html#a7cded184fdbb9e30756f422ceca7522e">00208</a> <span class="keyword">inline</span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_interval.html#a7cded184fdbb9e30756f422ceca7522e">QwtInterval::width</a>()<span class="keyword"> const</span>
<a name="l00209"></a>00209 <span class="keyword"></span>{
<a name="l00210"></a>00210 <span class="keywordflow">return</span> <a class="code" href="class_qwt_interval.html#af7ddb2347a4b5ed2205f84372e41c99e">isValid</a>() ? ( d_maxValue - d_minValue ) : 0.0;
<a name="l00211"></a>00211 }
<a name="l00212"></a>00212
<a name="l00217"></a><a class="code" href="class_qwt_interval.html#a87091a809fb14d2321240be47bb9cbe1">00217</a> <span class="keyword">inline</span> <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> <a class="code" href="class_qwt_interval.html#a87091a809fb14d2321240be47bb9cbe1">QwtInterval::operator&</a>(
<a name="l00218"></a>00218 <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> &interval )<span class="keyword"> const</span>
<a name="l00219"></a>00219 <span class="keyword"></span>{
<a name="l00220"></a>00220 <span class="keywordflow">return</span> <a class="code" href="class_qwt_interval.html#aa4df23450ffa012e1fedd13509402483" title="Intersect 2 intervals.">intersect</a>( interval );
<a name="l00221"></a>00221 }
<a name="l00222"></a>00222
<a name="l00227"></a><a class="code" href="class_qwt_interval.html#ac6c5c7837821811f8b0748c529f137a6">00227</a> <span class="keyword">inline</span> <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> <a class="code" href="class_qwt_interval.html#ac6c5c7837821811f8b0748c529f137a6">QwtInterval::operator|</a>(
<a name="l00228"></a>00228 <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> &interval )<span class="keyword"> const</span>
<a name="l00229"></a>00229 <span class="keyword"></span>{
<a name="l00230"></a>00230 <span class="keywordflow">return</span> <a class="code" href="class_qwt_interval.html#ade8626dc4c9521e05ce7fc51cb58d730" title="Unite 2 intervals.">unite</a>( interval );
<a name="l00231"></a>00231 }
<a name="l00232"></a>00232
<a name="l00234"></a><a class="code" href="class_qwt_interval.html#aec5aa21ab413fb5bfaa3360fae02e6b2">00234</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_interval.html#aec5aa21ab413fb5bfaa3360fae02e6b2" title="Compare two intervals.">QwtInterval::operator==</a>( <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> &other )<span class="keyword"> const</span>
<a name="l00235"></a>00235 <span class="keyword"></span>{
<a name="l00236"></a>00236 <span class="keywordflow">return</span> ( d_minValue == other.d_minValue ) &&
<a name="l00237"></a>00237 ( d_maxValue == other.d_maxValue ) &&
<a name="l00238"></a>00238 ( d_borderFlags == other.d_borderFlags );
<a name="l00239"></a>00239 }
<a name="l00240"></a>00240
<a name="l00242"></a><a class="code" href="class_qwt_interval.html#a4c1cb8360a05c1875f7957f00d3bdf16">00242</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_interval.html#a4c1cb8360a05c1875f7957f00d3bdf16" title="Compare two intervals.">QwtInterval::operator!=</a>( <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> &other )<span class="keyword"> const</span>
<a name="l00243"></a>00243 <span class="keyword"></span>{
<a name="l00244"></a>00244 <span class="keywordflow">return</span> ( !( *<span class="keyword">this</span> == other ) );
<a name="l00245"></a>00245 }
<a name="l00246"></a>00246
<a name="l00254"></a><a class="code" href="class_qwt_interval.html#ae0671b0b9422d5da3a103cbd7c938484">00254</a> <span class="keyword">inline</span> <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> <a class="code" href="class_qwt_interval.html#ac6c5c7837821811f8b0748c529f137a6">QwtInterval::operator|</a>( <span class="keywordtype">double</span> value )<span class="keyword"> const</span>
<a name="l00255"></a>00255 <span class="keyword"></span>{
<a name="l00256"></a>00256 <span class="keywordflow">return</span> <a class="code" href="class_qwt_interval.html#a484665e4af4ea42583b3224c10d1d9c3">extend</a>( value );
<a name="l00257"></a>00257 }
<a name="l00258"></a>00258
<a name="l00260"></a><a class="code" href="class_qwt_interval.html#ac5e85b71e18fa43c92984e08c4549830">00260</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_interval.html#ac5e85b71e18fa43c92984e08c4549830">QwtInterval::isNull</a>()<span class="keyword"> const</span>
<a name="l00261"></a>00261 <span class="keyword"></span>{
<a name="l00262"></a>00262 <span class="keywordflow">return</span> <a class="code" href="class_qwt_interval.html#af7ddb2347a4b5ed2205f84372e41c99e">isValid</a>() && d_minValue >= d_maxValue;
<a name="l00263"></a>00263 }
<a name="l00264"></a>00264
<a name="l00270"></a><a class="code" href="class_qwt_interval.html#af7ddb2347a4b5ed2205f84372e41c99e">00270</a> <span class="keyword">inline</span> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_interval.html#af7ddb2347a4b5ed2205f84372e41c99e">QwtInterval::isValid</a>()<span class="keyword"> const</span>
<a name="l00271"></a>00271 <span class="keyword"></span>{
<a name="l00272"></a>00272 <span class="keywordflow">if</span> ( ( d_borderFlags & <a class="code" href="class_qwt_interval.html#a3a4b4e49495108c660fc07a62af7ac54afc7d2a399b311a1cc8026681410fc22c" title="Min/Max values are not included in the interval.">ExcludeBorders</a> ) == 0 )
<a name="l00273"></a>00273 <span class="keywordflow">return</span> d_minValue <= d_maxValue;
<a name="l00274"></a>00274 <span class="keywordflow">else</span>
<a name="l00275"></a>00275 <span class="keywordflow">return</span> d_minValue < d_maxValue;
<a name="l00276"></a>00276 }
<a name="l00277"></a>00277
<a name="l00284"></a><a class="code" href="class_qwt_interval.html#a66c1d4ed7836dfbf3c6e851479ff32cf">00284</a> <span class="keyword">inline</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_interval.html#a66c1d4ed7836dfbf3c6e851479ff32cf">QwtInterval::invalidate</a>()
<a name="l00285"></a>00285 {
<a name="l00286"></a>00286 d_minValue = 0.0;
<a name="l00287"></a>00287 d_maxValue = -1.0;
<a name="l00288"></a>00288 }
<a name="l00289"></a>00289
<a name="l00290"></a>00290 Q_DECLARE_OPERATORS_FOR_FLAGS( <a class="code" href="class_qwt_interval.html#a678a26fcaa91cca596d9aebcbf5776c9" title="Border flags.">QwtInterval::BorderFlags</a> )
<a name="l00291"></a>00291
<a name="l00292"></a>00292 <span class="preprocessor">#ifndef QT_NO_DEBUG_STREAM</span>
<a name="l00293"></a>00293 <span class="preprocessor"></span>QWT_EXPORT QDebug operator<<( QDebug, <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html" title="A class representing an interval.">QwtInterval</a> & );
<a name="l00294"></a>00294 <span class="preprocessor">#endif</span>
<a name="l00295"></a>00295 <span class="preprocessor"></span>
<a name="l00296"></a>00296 <span class="preprocessor">#endif</span>
</pre></div></div>
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