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<h1>qwt_color_map.h</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">#ifndef QWT_COLOR_MAP_H</span>
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<a name="l00011"></a>00011 <span class="preprocessor"></span><span class="preprocessor">#define QWT_COLOR_MAP_H</span>
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<a name="l00012"></a>00012 <span class="preprocessor"></span>
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<a name="l00013"></a>00013 <span class="preprocessor">#include <qglobal.h></span>
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<a name="l00014"></a>00014 <span class="preprocessor">#include <qcolor.h></span>
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<a name="l00015"></a>00015 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
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<a name="l00016"></a>00016 <span class="preprocessor"></span><span class="preprocessor">#include <qvaluevector.h></span>
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<a name="l00017"></a>00017 <span class="preprocessor">#else</span>
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<a name="l00018"></a>00018 <span class="preprocessor"></span><span class="preprocessor">#include <qvector.h></span>
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<a name="l00019"></a>00019 <span class="preprocessor">#endif</span>
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<a name="l00020"></a>00020 <span class="preprocessor"></span><span class="preprocessor">#include "qwt_array.h"</span>
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<a name="l00021"></a>00021 <span class="preprocessor">#include "qwt_double_interval.h"</span>
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<a name="l00022"></a>00022
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<a name="l00023"></a>00023 <span class="preprocessor">#if defined(QWT_TEMPLATEDLL)</span>
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<a name="l00024"></a>00024 <span class="preprocessor"></span><span class="comment">// MOC_SKIP_BEGIN</span>
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<a name="l00025"></a>00025 <span class="keyword">template</span> <span class="keyword">class </span>QWT_EXPORT QwtArray<double>;
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<a name="l00026"></a>00026 <span class="comment">// MOC_SKIP_END</span>
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<a name="l00027"></a>00027 <span class="preprocessor">#endif</span>
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<a name="l00028"></a>00028 <span class="preprocessor"></span>
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<a name="l00044"></a><a class="code" href="class_qwt_color_map.html">00044</a> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_color_map.html">QwtColorMap</a>
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<a name="l00045"></a>00045 {
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<a name="l00046"></a>00046 <span class="keyword">public</span>:
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<a name="l00057"></a><a class="code" href="class_qwt_color_map.html#9e5570790910fa3894887bca7dc5a670">00057</a> <span class="keyword">enum</span> <a class="code" href="class_qwt_color_map.html#9e5570790910fa3894887bca7dc5a670">Format</a>
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<a name="l00058"></a>00058 {
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<a name="l00059"></a>00059 RGB,
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<a name="l00060"></a>00060 Indexed
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<a name="l00061"></a>00061 };
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<a name="l00062"></a>00062
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<a name="l00063"></a>00063 <a class="code" href="class_qwt_color_map.html">QwtColorMap</a>(Format = QwtColorMap::RGB );
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<a name="l00064"></a>00064 <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_color_map.html">QwtColorMap</a>();
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<a name="l00065"></a>00065
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<a name="l00066"></a>00066 <span class="keyword">inline</span> Format format() <span class="keyword">const</span>;
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<a name="l00067"></a>00067
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<a name="l00069"></a>00069 <span class="keyword">virtual</span> <a class="code" href="class_qwt_color_map.html">QwtColorMap</a> *copy() <span class="keyword">const </span>= 0;
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<a name="l00070"></a>00070
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<a name="l00077"></a>00077 <span class="keyword">virtual</span> QRgb rgb(
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<a name="l00078"></a>00078 <span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &interval, <span class="keywordtype">double</span> value) <span class="keyword">const </span>= 0;
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<a name="l00079"></a>00079
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<a name="l00086"></a>00086 <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> colorIndex(
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<a name="l00087"></a>00087 <span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &interval, <span class="keywordtype">double</span> value) <span class="keyword">const </span>= 0;
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<a name="l00088"></a>00088
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<a name="l00089"></a>00089 QColor color(<span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &, <span class="keywordtype">double</span> value) <span class="keyword">const</span>;
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<a name="l00090"></a>00090 <span class="preprocessor">#if QT_VERSION < 0x040000</span>
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<a name="l00091"></a>00091 <span class="preprocessor"></span> <span class="keyword">virtual</span> QValueVector<QRgb> colorTable(<span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &) <span class="keyword">const</span>;
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<a name="l00092"></a>00092 <span class="preprocessor">#else</span>
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<a name="l00093"></a>00093 <span class="preprocessor"></span> <span class="keyword">virtual</span> QVector<QRgb> colorTable(<span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &) <span class="keyword">const</span>;
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<a name="l00094"></a>00094 <span class="preprocessor">#endif</span>
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<a name="l00095"></a>00095 <span class="preprocessor"></span>
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<a name="l00096"></a>00096 <span class="keyword">private</span>:
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<a name="l00097"></a>00097 Format d_format;
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<a name="l00098"></a>00098 };
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<a name="l00099"></a>00099
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<a name="l00100"></a>00100
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<a name="l00111"></a><a class="code" href="class_qwt_linear_color_map.html">00111</a> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_linear_color_map.html">QwtLinearColorMap</a>: <span class="keyword">public</span> <a class="code" href="class_qwt_color_map.html">QwtColorMap</a>
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<a name="l00112"></a>00112 {
84
<a name="l00113"></a>00113 <span class="keyword">public</span>:
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<a name="l00118"></a><a class="code" href="class_qwt_linear_color_map.html#c8c5f1991f533b1d25a9a0a0874b7d54">00118</a> <span class="keyword">enum</span> <a class="code" href="class_qwt_linear_color_map.html#c8c5f1991f533b1d25a9a0a0874b7d54">Mode</a>
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<a name="l00119"></a>00119 {
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<a name="l00120"></a>00120 FixedColors,
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<a name="l00121"></a>00121 ScaledColors
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<a name="l00122"></a>00122 };
90
<a name="l00123"></a>00123
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<a name="l00124"></a>00124 <a class="code" href="class_qwt_linear_color_map.html">QwtLinearColorMap</a>(<a class="code" href="class_qwt_color_map.html#9e5570790910fa3894887bca7dc5a670">QwtColorMap::Format</a> = QwtColorMap::RGB);
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<a name="l00125"></a>00125 <a class="code" href="class_qwt_linear_color_map.html">QwtLinearColorMap</a>( <span class="keyword">const</span> QColor &from, <span class="keyword">const</span> QColor &to,
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<a name="l00126"></a>00126 <a class="code" href="class_qwt_color_map.html#9e5570790910fa3894887bca7dc5a670">QwtColorMap::Format</a> = QwtColorMap::RGB);
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<a name="l00127"></a>00127
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<a name="l00128"></a>00128 <a class="code" href="class_qwt_linear_color_map.html">QwtLinearColorMap</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_linear_color_map.html">QwtLinearColorMap</a> &);
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<a name="l00129"></a>00129
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<a name="l00130"></a>00130 <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_linear_color_map.html">QwtLinearColorMap</a>();
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<a name="l00131"></a>00131
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<a name="l00132"></a>00132 <a class="code" href="class_qwt_linear_color_map.html">QwtLinearColorMap</a> &operator=(<span class="keyword">const</span> <a class="code" href="class_qwt_linear_color_map.html">QwtLinearColorMap</a> &);
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<a name="l00133"></a>00133
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<a name="l00134"></a>00134 <span class="keyword">virtual</span> <a class="code" href="class_qwt_color_map.html">QwtColorMap</a> *copy() <span class="keyword">const</span>;
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<a name="l00135"></a>00135
103
<a name="l00136"></a>00136 <span class="keywordtype">void</span> setMode(Mode);
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<a name="l00137"></a>00137 Mode mode() <span class="keyword">const</span>;
105
<a name="l00138"></a>00138
106
<a name="l00139"></a>00139 <span class="keywordtype">void</span> setColorInterval(<span class="keyword">const</span> QColor &color1, <span class="keyword">const</span> QColor &color2);
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<a name="l00140"></a>00140 <span class="keywordtype">void</span> addColorStop(<span class="keywordtype">double</span> value, <span class="keyword">const</span> QColor&);
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<a name="l00141"></a>00141 QwtArray<double> colorStops() <span class="keyword">const</span>;
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<a name="l00142"></a>00142
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<a name="l00143"></a>00143 QColor color1() <span class="keyword">const</span>;
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<a name="l00144"></a>00144 QColor color2() <span class="keyword">const</span>;
112
<a name="l00145"></a>00145
113
<a name="l00146"></a>00146 <span class="keyword">virtual</span> QRgb rgb(<span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &, <span class="keywordtype">double</span> value) <span class="keyword">const</span>;
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<a name="l00147"></a>00147 <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> colorIndex(
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<a name="l00148"></a>00148 <span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &, <span class="keywordtype">double</span> value) <span class="keyword">const</span>;
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<a name="l00149"></a>00149
117
<a name="l00150"></a>00150 <span class="keyword">class </span>ColorStops;
118
<a name="l00151"></a>00151
119
<a name="l00152"></a>00152 <span class="keyword">private</span>:
120
<a name="l00153"></a>00153 <span class="keyword">class </span>PrivateData;
121
<a name="l00154"></a>00154 PrivateData *d_data;
122
<a name="l00155"></a>00155 };
123
<a name="l00156"></a>00156
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<a name="l00160"></a><a class="code" href="class_qwt_alpha_color_map.html">00160</a> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_alpha_color_map.html">QwtAlphaColorMap</a>: <span class="keyword">public</span> <a class="code" href="class_qwt_color_map.html">QwtColorMap</a>
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<a name="l00161"></a>00161 {
126
<a name="l00162"></a>00162 <span class="keyword">public</span>:
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<a name="l00163"></a>00163 <a class="code" href="class_qwt_alpha_color_map.html">QwtAlphaColorMap</a>(<span class="keyword">const</span> QColor & = QColor(Qt::gray));
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<a name="l00164"></a>00164 <a class="code" href="class_qwt_alpha_color_map.html">QwtAlphaColorMap</a>(<span class="keyword">const</span> <a class="code" href="class_qwt_alpha_color_map.html">QwtAlphaColorMap</a> &);
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<a name="l00165"></a>00165
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<a name="l00166"></a>00166 <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_alpha_color_map.html">QwtAlphaColorMap</a>();
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<a name="l00167"></a>00167
132
<a name="l00168"></a>00168 <a class="code" href="class_qwt_alpha_color_map.html">QwtAlphaColorMap</a> &operator=(<span class="keyword">const</span> <a class="code" href="class_qwt_alpha_color_map.html">QwtAlphaColorMap</a> &);
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<a name="l00169"></a>00169
134
<a name="l00170"></a>00170 <span class="keyword">virtual</span> <a class="code" href="class_qwt_color_map.html">QwtColorMap</a> *copy() <span class="keyword">const</span>;
135
<a name="l00171"></a>00171
136
<a name="l00172"></a>00172 <span class="keywordtype">void</span> setColor(<span class="keyword">const</span> QColor &);
137
<a name="l00173"></a>00173 QColor color() <span class="keyword">const</span>;
138
<a name="l00174"></a>00174
139
<a name="l00175"></a>00175 <span class="keyword">virtual</span> QRgb rgb(<span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &, <span class="keywordtype">double</span> value) <span class="keyword">const</span>;
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<a name="l00176"></a>00176
141
<a name="l00177"></a>00177 <span class="keyword">private</span>:
142
<a name="l00178"></a>00178 <span class="keyword">virtual</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> colorIndex(
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<a name="l00179"></a>00179 <span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &, <span class="keywordtype">double</span> value) <span class="keyword">const</span>;
144
<a name="l00180"></a>00180
145
<a name="l00181"></a>00181 <span class="keyword">class </span>PrivateData;
146
<a name="l00182"></a>00182 PrivateData *d_data;
147
<a name="l00183"></a>00183 };
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<a name="l00184"></a>00184
149
<a name="l00185"></a>00185
150
<a name="l00198"></a><a class="code" href="class_qwt_color_map.html#4103504ea12a5b2a8f9242adceb8ef73">00198</a> <span class="keyword">inline</span> QColor <a class="code" href="class_qwt_color_map.html#4103504ea12a5b2a8f9242adceb8ef73">QwtColorMap::color</a>(
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<a name="l00199"></a>00199 <span class="keyword">const</span> <a class="code" href="class_qwt_double_interval.html">QwtDoubleInterval</a> &interval, <span class="keywordtype">double</span> value)<span class="keyword"> const</span>
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<a name="l00200"></a>00200 <span class="keyword"></span>{
153
<a name="l00201"></a>00201 <span class="keywordflow">if</span> ( d_format == RGB )
154
<a name="l00202"></a>00202 {
155
<a name="l00203"></a>00203 <span class="keywordflow">return</span> QColor( <a class="code" href="class_qwt_color_map.html#6f8cae09331c9c6dbc11d7cc023e6665">rgb</a>(interval, value) );
156
<a name="l00204"></a>00204 }
157
<a name="l00205"></a>00205 <span class="keywordflow">else</span>
158
<a name="l00206"></a>00206 {
159
<a name="l00207"></a>00207 <span class="keyword">const</span> <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> index = <a class="code" href="class_qwt_color_map.html#87086a55e99e56bd7f42677826801815">colorIndex</a>(interval, value);
160
<a name="l00208"></a>00208 <span class="keywordflow">return</span> <a class="code" href="class_qwt_color_map.html#47c081462d0d8e1bda021818eb61d73f">colorTable</a>(interval)[index]; <span class="comment">// slow</span>
161
<a name="l00209"></a>00209 }
162
<a name="l00210"></a>00210 }
163
<a name="l00211"></a>00211
164
<a name="l00216"></a><a class="code" href="class_qwt_color_map.html#6a7defcce42e779c1596e277c78986c2">00216</a> <span class="keyword">inline</span> <a class="code" href="class_qwt_color_map.html#9e5570790910fa3894887bca7dc5a670">QwtColorMap::Format</a> <a class="code" href="class_qwt_color_map.html#6a7defcce42e779c1596e277c78986c2">QwtColorMap::format</a>()<span class="keyword"> const</span>
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<a name="l00217"></a>00217 <span class="keyword"></span>{
166
<a name="l00218"></a>00218 <span class="keywordflow">return</span> d_format;
167
<a name="l00219"></a>00219 }
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<a name="l00220"></a>00220
169
<a name="l00221"></a>00221 <span class="preprocessor">#endif</span>
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</pre></div><hr size="1"><address style="align: right;"><small>Generated on Thu May 1 15:44:08 2008 for Qwt User's Guide by
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<a href="http://www.doxygen.org/index.html">
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<img src="doxygen.png" alt="doxygen" align="middle" border="0"></a> 1.5.0 </small></address>
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