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<title>Qwt User's Guide: qwt_scale_div.cpp Source File</title>
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<h1>qwt_scale_div.cpp</h1><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************</span>
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<a name="l00002"></a>00002 <span class="comment"> * Qwt Widget Library</span>
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<a name="l00003"></a>00003 <span class="comment"> * Copyright (C) 1997 Josef Wilgen</span>
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<a name="l00004"></a>00004 <span class="comment"> * Copyright (C) 2002 Uwe Rathmann</span>
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<a name="l00005"></a>00005 <span class="comment"> * </span>
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<a name="l00006"></a>00006 <span class="comment"> * This library is free software; you can redistribute it and/or</span>
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<a name="l00007"></a>00007 <span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span>
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<a name="l00008"></a>00008 <span class="comment"> *****************************************************************************/</span>
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<a name="l00009"></a>00009
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<a name="l00010"></a>00010 <span class="preprocessor">#include "qwt_scale_div.h"</span>
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<a name="l00011"></a>00011 <span class="preprocessor">#include "qwt_math.h"</span>
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<a name="l00012"></a>00012 <span class="preprocessor">#include "qwt_double_interval.h"</span>
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<a name="l00013"></a>00013
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<a name="l00015"></a><a class="code" href="class_qwt_scale_div.html#e986a8a451440876b60db561457c952f">00015</a> <a class="code" href="class_qwt_scale_div.html#e986a8a451440876b60db561457c952f">QwtScaleDiv::QwtScaleDiv</a>():
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<a name="l00016"></a>00016 d_lBound(0.0),
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<a name="l00017"></a>00017 d_hBound(0.0),
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<a name="l00018"></a>00018 d_isValid(false)
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<a name="l00019"></a>00019 {
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<a name="l00020"></a>00020 }
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<a name="l00021"></a>00021
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<a name="l00028"></a><a class="code" href="class_qwt_scale_div.html#202460ccb320a9781068494a8ab9c6a5">00028</a> <a class="code" href="class_qwt_scale_div.html#e986a8a451440876b60db561457c952f">QwtScaleDiv::QwtScaleDiv</a>(
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<a name="l00029"></a>00029 <span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &interval,
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<a name="l00030"></a>00030 QwtValueList ticks[NTickTypes]):
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<a name="l00031"></a>00031 d_lBound(interval.minValue()),
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<a name="l00032"></a>00032 d_hBound(interval.maxValue()),
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<a name="l00033"></a>00033 d_isValid(true)
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<a name="l00034"></a>00034 {
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<a name="l00035"></a>00035 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < NTickTypes; i++ )
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<a name="l00036"></a>00036 d_ticks[i] = <a class="code" href="class_qwt_scale_div.html#991862ca84dc810d8500b360a0ed7a4f">ticks</a>[i];
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<a name="l00037"></a>00037 }
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<a name="l00038"></a>00038
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<a name="l00046"></a><a class="code" href="class_qwt_scale_div.html#839ec8a73043af53796519e3aef3ab00">00046</a> <a class="code" href="class_qwt_scale_div.html#e986a8a451440876b60db561457c952f">QwtScaleDiv::QwtScaleDiv</a>(
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<a name="l00047"></a>00047 <span class="keywordtype">double</span> lBound, <span class="keywordtype">double</span> hBound,
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<a name="l00048"></a>00048 QwtValueList ticks[NTickTypes]):
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<a name="l00049"></a>00049 d_lBound(lBound),
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<a name="l00050"></a>00050 d_hBound(hBound),
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<a name="l00051"></a>00051 d_isValid(true)
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<a name="l00052"></a>00052 {
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<a name="l00053"></a>00053 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < NTickTypes; i++ )
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<a name="l00054"></a>00054 d_ticks[i] = <a class="code" href="class_qwt_scale_div.html#991862ca84dc810d8500b360a0ed7a4f">ticks</a>[i];
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<a name="l00055"></a>00055 }
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<a name="l00056"></a>00056
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<a name="l00061"></a><a class="code" href="class_qwt_scale_div.html#d0359a8b019b1373cc15edf6a90d42c2">00061</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_scale_div.html#53901bbc0d8f4c05d592bb4c524f797a">QwtScaleDiv::setInterval</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &interval)
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<a name="l00062"></a>00062 {
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<a name="l00063"></a>00063 <a class="code" href="class_qwt_scale_div.html#53901bbc0d8f4c05d592bb4c524f797a">setInterval</a>(<a class="code" href="class_qwt_scale_div.html#abfc4e0fcb3da5e624595532099a5f48">interval</a>.<a class="code" href="class_qwt_double_interval.html#63ebec423f5f8bf165e48836fcd8fc0a">minValue</a>(), <a class="code" href="class_qwt_scale_div.html#abfc4e0fcb3da5e624595532099a5f48">interval</a>.<a class="code" href="class_qwt_double_interval.html#d8aac16fed2fe4dae576096db91da18d">maxValue</a>());
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<a name="l00064"></a>00064 }
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<a name="l00065"></a>00065
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<a name="l00070"></a><a class="code" href="class_qwt_scale_div.html#b8880b60a0cb338e9ec838c5e12a09a7">00070</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_scale_div.html#b8880b60a0cb338e9ec838c5e12a09a7">QwtScaleDiv::operator==</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_scale_div.html">QwtScaleDiv</a> &other)<span class="keyword"> const</span>
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<a name="l00071"></a>00071 <span class="keyword"></span>{
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<a name="l00072"></a>00072 <span class="keywordflow">if</span> ( d_lBound != other.<a class="code" href="class_qwt_scale_div.html#fd41c4fc31059e8d4f4c0e0d0f88da5b">d_lBound</a> ||
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<a name="l00073"></a>00073 d_hBound != other.<a class="code" href="class_qwt_scale_div.html#9d6685a6ba5b675e0e55a51a5e93e211">d_hBound</a> ||
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<a name="l00074"></a>00074 d_isValid != other.<a class="code" href="class_qwt_scale_div.html#0272eb504812da27602ec9e271af96a3">d_isValid</a> )
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<a name="l00075"></a>00075 {
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<a name="l00076"></a>00076 <span class="keywordflow">return</span> <span class="keyword">false</span>;
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<a name="l00077"></a>00077 }
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<a name="l00078"></a>00078
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<a name="l00079"></a>00079 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < NTickTypes; i++ )
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<a name="l00080"></a>00080 {
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<a name="l00081"></a>00081 <span class="keywordflow">if</span> ( d_ticks[i] != other.<a class="code" href="class_qwt_scale_div.html#b5d88582765fdbee07ae4a783fd22c98">d_ticks</a>[i] )
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<a name="l00082"></a>00082 <span class="keywordflow">return</span> <span class="keyword">false</span>;
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<a name="l00083"></a>00083 }
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<a name="l00084"></a>00084
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<a name="l00085"></a>00085 <span class="keywordflow">return</span> <span class="keyword">true</span>;
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<a name="l00086"></a>00086 }
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<a name="l00087"></a>00087
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<a name="l00092"></a><a class="code" href="class_qwt_scale_div.html#9315e9450cad83a60a4e4818e8d22e56">00092</a> <span class="keywordtype">int</span> <a class="code" href="class_qwt_scale_div.html#9315e9450cad83a60a4e4818e8d22e56">QwtScaleDiv::operator!=</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_scale_div.html">QwtScaleDiv</a> &s)<span class="keyword"> const</span>
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<a name="l00093"></a>00093 <span class="keyword"></span>{
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<a name="l00094"></a>00094 <span class="keywordflow">return</span> (!(*<span class="keyword">this</span> == s));
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<a name="l00095"></a>00095 }
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<a name="l00096"></a>00096
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<a name="l00098"></a><a class="code" href="class_qwt_scale_div.html#429d3b6004f06c59530c084a9aecf2bb">00098</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_scale_div.html#429d3b6004f06c59530c084a9aecf2bb">QwtScaleDiv::invalidate</a>()
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<a name="l00099"></a>00099 {
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<a name="l00100"></a>00100 d_isValid = <span class="keyword">false</span>;
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<a name="l00101"></a>00101
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<a name="l00102"></a>00102 <span class="comment">// detach arrays</span>
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<a name="l00103"></a>00103 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < NTickTypes; i++ )
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<a name="l00104"></a>00104 d_ticks[i].clear();
97
<a name="l00105"></a>00105
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<a name="l00106"></a>00106 d_lBound = d_hBound = 0;
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<a name="l00107"></a>00107 }
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<a name="l00108"></a>00108
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<a name="l00110"></a><a class="code" href="class_qwt_scale_div.html#54e1d78723e048fba37e5917a82603e4">00110</a> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_scale_div.html#54e1d78723e048fba37e5917a82603e4">QwtScaleDiv::isValid</a>()<span class="keyword"> const</span>
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<a name="l00111"></a>00111 <span class="keyword"></span>{
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<a name="l00112"></a>00112 <span class="keywordflow">return</span> d_isValid;
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<a name="l00113"></a>00113 }
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<a name="l00114"></a>00114
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<a name="l00115"></a><a class="code" href="class_qwt_scale_div.html#95118053365e7fa1882546c7a56ecc0d">00115</a> <span class="keywordtype">bool</span> <a class="code" href="class_qwt_scale_div.html#95118053365e7fa1882546c7a56ecc0d">QwtScaleDiv::contains</a>(<span class="keywordtype">double</span> v)<span class="keyword"> const</span>
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<a name="l00116"></a>00116 <span class="keyword"></span>{
108
<a name="l00117"></a>00117 <span class="keywordflow">if</span> ( !d_isValid )
109
<a name="l00118"></a>00118 <span class="keywordflow">return</span> <span class="keyword">false</span>;
110
<a name="l00119"></a>00119
111
<a name="l00120"></a>00120 <span class="keyword">const</span> <span class="keywordtype">double</span> min = qwtMin(d_lBound, d_hBound);
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<a name="l00121"></a>00121 <span class="keyword">const</span> <span class="keywordtype">double</span> max = qwtMax(d_lBound, d_hBound);
113
<a name="l00122"></a>00122
114
<a name="l00123"></a>00123 <span class="keywordflow">return</span> v >= min && v <= max;
115
<a name="l00124"></a>00124 }
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<a name="l00125"></a>00125
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<a name="l00127"></a><a class="code" href="class_qwt_scale_div.html#1ea38d52d5836fd4376f480180973786">00127</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_scale_div.html#1ea38d52d5836fd4376f480180973786">QwtScaleDiv::invert</a>()
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<a name="l00128"></a>00128 {
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<a name="l00129"></a>00129 qSwap(d_lBound, d_hBound);
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<a name="l00130"></a>00130
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<a name="l00131"></a>00131 <span class="keywordflow">for</span> ( <span class="keywordtype">int</span> i = 0; i < NTickTypes; i++ )
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<a name="l00132"></a>00132 {
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<a name="l00133"></a>00133 QwtValueList& <a class="code" href="class_qwt_scale_div.html#991862ca84dc810d8500b360a0ed7a4f">ticks</a> = d_ticks[i];
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<a name="l00134"></a>00134
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<a name="l00135"></a>00135 <span class="keyword">const</span> <span class="keywordtype">int</span> size = <a class="code" href="class_qwt_scale_div.html#991862ca84dc810d8500b360a0ed7a4f">ticks</a>.count();
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<a name="l00136"></a>00136 <span class="keyword">const</span> <span class="keywordtype">int</span> size2 = size / 2;
127
<a name="l00137"></a>00137
128
<a name="l00138"></a>00138 <span class="keywordflow">for</span> (<span class="keywordtype">int</span> i=0; i < size2; i++)
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<a name="l00139"></a>00139 qSwap(<a class="code" href="class_qwt_scale_div.html#991862ca84dc810d8500b360a0ed7a4f">ticks</a>[i], <a class="code" href="class_qwt_scale_div.html#991862ca84dc810d8500b360a0ed7a4f">ticks</a>[size - 1 - i]);
130
<a name="l00140"></a>00140 }
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<a name="l00141"></a>00141 }
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<a name="l00142"></a>00142
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<a name="l00149"></a><a class="code" href="class_qwt_scale_div.html#0bb431270282c79a9f8ea1eebad7c787">00149</a> <span class="keywordtype">void</span> <a class="code" href="class_qwt_scale_div.html#0bb431270282c79a9f8ea1eebad7c787">QwtScaleDiv::setTicks</a>(<span class="keywordtype">int</span> type, <span class="keyword">const</span> QwtValueList &ticks)
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<a name="l00150"></a>00150 {
135
<a name="l00151"></a>00151 <span class="keywordflow">if</span> ( type >= 0 || type < NTickTypes )
136
<a name="l00152"></a>00152 d_ticks[type] = ticks;
137
<a name="l00153"></a>00153 }
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<a name="l00154"></a>00154
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<a name="l00160"></a><a class="code" href="class_qwt_scale_div.html#991862ca84dc810d8500b360a0ed7a4f">00160</a> <span class="keyword">const</span> QwtValueList &<a class="code" href="class_qwt_scale_div.html#991862ca84dc810d8500b360a0ed7a4f">QwtScaleDiv::ticks</a>(<span class="keywordtype">int</span> type)<span class="keyword"> const</span>
140
<a name="l00161"></a>00161 <span class="keyword"></span>{
141
<a name="l00162"></a>00162 <span class="keywordflow">if</span> ( type >= 0 || type < NTickTypes )
142
<a name="l00163"></a>00163 <span class="keywordflow">return</span> d_ticks[type];
143
<a name="l00164"></a>00164
144
<a name="l00165"></a>00165 <span class="keyword">static</span> QwtValueList noTicks;
145
<a name="l00166"></a>00166 <span class="keywordflow">return</span> noTicks;
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<a name="l00167"></a>00167 }
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</pre></div><hr size="1"><address style="align: right;"><small>Generated on Sat May 24 18:47:40 2008 for Qwt User's Guide by
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