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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/* -*- mode: C++ ; c-file-style: "stroustrup" -*- *****************************</span></div><div class="line"><a name="l00002"></a><span class="lineno"> 2</span> <span class="comment"> * Qwt Widget Library</span></div><div class="line"><a name="l00003"></a><span class="lineno"> 3</span> <span class="comment"> * Copyright (C) 1997 Josef Wilgen</span></div><div class="line"><a name="l00004"></a><span class="lineno"> 4</span> <span class="comment"> * Copyright (C) 2002 Uwe Rathmann</span></div><div class="line"><a name="l00005"></a><span class="lineno"> 5</span> <span class="comment"> *</span></div><div class="line"><a name="l00006"></a><span class="lineno"> 6</span> <span class="comment"> * This library is free software; you can redistribute it and/or</span></div><div class="line"><a name="l00007"></a><span class="lineno"> 7</span> <span class="comment"> * modify it under the terms of the Qwt License, Version 1.0</span></div><div class="line"><a name="l00008"></a><span class="lineno"> 8</span> <span class="comment"> *****************************************************************************/</span></div><div class="line"><a name="l00009"></a><span class="lineno"> 9</span> </div><div class="line"><a name="l00010"></a><span class="lineno"> 10</span> <span class="preprocessor">#ifndef QWT_SCALE_ENGINE_H</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#define QWT_SCALE_ENGINE_H</span></div><div class="line"><a name="l00012"></a><span class="lineno"> 12</span> </div><div class="line"><a name="l00013"></a><span class="lineno"> 13</span> <span class="preprocessor">#include "qwt_global.h"</span></div><div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include "qwt_scale_div.h"</span></div><div class="line"><a name="l00015"></a><span class="lineno"> 15</span> <span class="preprocessor">#include "qwt_interval.h"</span></div><div class="line"><a name="l00016"></a><span class="lineno"> 16</span> </div><div class="line"><a name="l00017"></a><span class="lineno"> 17</span> <span class="keyword">class </span><a class="code" href="class_qwt_transform.html">QwtTransform</a>;</div><div class="line"><a name="l00018"></a><span class="lineno"> 18</span> </div><div class="line"><a name="l00022"></a><span class="lineno"><a class="line" href="class_qwt_scale_arithmetic.html"> 22</a></span> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_scale_arithmetic.html">QwtScaleArithmetic</a></div><div class="line"><a name="l00023"></a><span class="lineno"> 23</span> {</div><div class="line"><a name="l00024"></a><span class="lineno"> 24</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  <span class="keyword">static</span> <span class="keywordtype">double</span> ceilEps( <span class="keywordtype">double</span> value, <span class="keywordtype">double</span> intervalSize );</div><div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  <span class="keyword">static</span> <span class="keywordtype">double</span> floorEps( <span class="keywordtype">double</span> value, <span class="keywordtype">double</span> intervalSize );</div><div class="line"><a name="l00027"></a><span class="lineno"> 27</span> </div><div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  <span class="keyword">static</span> <span class="keywordtype">double</span> divideEps( <span class="keywordtype">double</span> interval, <span class="keywordtype">double</span> steps );</div><div class="line"><a name="l00029"></a><span class="lineno"> 29</span> </div><div class="line"><a name="l00030"></a><span class="lineno"> 30</span>  <span class="keyword">static</span> <span class="keywordtype">double</span> divideInterval( <span class="keywordtype">double</span> interval, </div><div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  <span class="keywordtype">int</span> numSteps, uint base );</div><div class="line"><a name="l00032"></a><span class="lineno"> 32</span> };</div><div class="line"><a name="l00033"></a><span class="lineno"> 33</span> </div><div class="line"><a name="l00045"></a><span class="lineno"><a class="line" href="class_qwt_scale_engine.html"> 45</a></span> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_scale_engine.html">QwtScaleEngine</a></div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> {</div><div class="line"><a name="l00047"></a><span class="lineno"> 47</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00054"></a><span class="lineno"><a class="line" href="class_qwt_scale_engine.html#a7548418e0896d75eec164bfa2ba3ff5f"> 54</a></span>  <span class="keyword">enum</span> <a class="code" href="class_qwt_scale_engine.html#a7548418e0896d75eec164bfa2ba3ff5f">Attribute</a></div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  {</div><div class="line"><a name="l00057"></a><span class="lineno"><a class="line" href="class_qwt_scale_engine.html#a7548418e0896d75eec164bfa2ba3ff5fa617f0da0b90080be49b79dbaaab191f8"> 57</a></span>  NoAttribute = 0x00,</div><div class="line"><a name="l00058"></a><span class="lineno"> 58</span> </div><div class="line"><a name="l00060"></a><span class="lineno"><a class="line" href="class_qwt_scale_engine.html#a7548418e0896d75eec164bfa2ba3ff5fad29dea0ac58c4675ac009620b0857984"> 60</a></span>  IncludeReference = 0x01,</div><div class="line"><a name="l00061"></a><span class="lineno"> 61</span> </div><div class="line"><a name="l00063"></a><span class="lineno"><a class="line" href="class_qwt_scale_engine.html#a7548418e0896d75eec164bfa2ba3ff5fab3931d404b68708d0c6eaf87ae744fc9"> 63</a></span>  Symmetric = 0x02,</div><div class="line"><a name="l00064"></a><span class="lineno"> 64</span> </div><div class="line"><a name="l00072"></a><span class="lineno"><a class="line" href="class_qwt_scale_engine.html#a7548418e0896d75eec164bfa2ba3ff5fa2158d4b3596e7d4a00375821fc0d20c3"> 72</a></span>  Floating = 0x04,</div><div class="line"><a name="l00073"></a><span class="lineno"> 73</span> </div><div class="line"><a name="l00075"></a><span class="lineno"><a class="line" href="class_qwt_scale_engine.html#a7548418e0896d75eec164bfa2ba3ff5fa2f3985208684d394319320b8e67ea062"> 75</a></span>  Inverted = 0x08</div><div class="line"><a name="l00076"></a><span class="lineno"> 76</span>  };</div><div class="line"><a name="l00077"></a><span class="lineno"> 77</span> </div><div class="line"><a name="l00079"></a><span class="lineno"><a class="line" href="class_qwt_scale_engine.html#a798f5f1420019d33baa799d26bca0255"> 79</a></span>  <span class="keyword">typedef</span> QFlags<Attribute> <a class="code" href="class_qwt_scale_engine.html#a798f5f1420019d33baa799d26bca0255">Attributes</a>;</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span> </div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">explicit</span> <a class="code" href="class_qwt_scale_engine.html">QwtScaleEngine</a>( uint base = 10 );</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span>  <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_scale_engine.html">QwtScaleEngine</a>();</div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span> </div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keywordtype">void</span> setBase( uint base );</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span>  uint base() <span class="keyword">const</span>;</div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span> </div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span>  <span class="keywordtype">void</span> setAttribute( <a class="code" href="class_qwt_scale_engine.html#a7548418e0896d75eec164bfa2ba3ff5f">Attribute</a>, <span class="keywordtype">bool</span> on = <span class="keyword">true</span> );</div><div class="line"><a name="l00088"></a><span class="lineno"> 88</span>  <span class="keywordtype">bool</span> testAttribute( <a class="code" href="class_qwt_scale_engine.html#a7548418e0896d75eec164bfa2ba3ff5f">Attribute</a> ) <span class="keyword">const</span>;</div><div class="line"><a name="l00089"></a><span class="lineno"> 89</span> </div><div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordtype">void</span> setAttributes( Attributes );</div><div class="line"><a name="l00091"></a><span class="lineno"> 91</span>  Attributes attributes() <span class="keyword">const</span>;</div><div class="line"><a name="l00092"></a><span class="lineno"> 92</span> </div><div class="line"><a name="l00093"></a><span class="lineno"> 93</span>  <span class="keywordtype">void</span> setReference( <span class="keywordtype">double</span> reference );</div><div class="line"><a name="l00094"></a><span class="lineno"> 94</span>  <span class="keywordtype">double</span> reference() <span class="keyword">const</span>;</div><div class="line"><a name="l00095"></a><span class="lineno"> 95</span> </div><div class="line"><a name="l00096"></a><span class="lineno"> 96</span>  <span class="keywordtype">void</span> setMargins( <span class="keywordtype">double</span> lower, <span class="keywordtype">double</span> upper );</div><div class="line"><a name="l00097"></a><span class="lineno"> 97</span>  <span class="keywordtype">double</span> lowerMargin() <span class="keyword">const</span>;</div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span>  <span class="keywordtype">double</span> upperMargin() <span class="keyword">const</span>;</div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> </div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> autoScale( <span class="keywordtype">int</span> maxNumSteps,</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <span class="keywordtype">double</span> &x1, <span class="keywordtype">double</span> &x2, <span class="keywordtype">double</span> &stepSize ) <span class="keyword">const</span> = 0;</div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> </div><div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  <span class="keyword">virtual</span> <a class="code" href="class_qwt_scale_div.html">QwtScaleDiv</a> divideScale( <span class="keywordtype">double</span> x1, <span class="keywordtype">double</span> x2,</div><div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  <span class="keywordtype">int</span> maxMajorSteps, <span class="keywordtype">int</span> maxMinorSteps,</div><div class="line"><a name="l00125"></a><span class="lineno"> 125</span>  <span class="keywordtype">double</span> stepSize = 0.0 ) <span class="keyword">const</span> = 0;</div><div class="line"><a name="l00126"></a><span class="lineno"> 126</span> </div><div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <span class="keywordtype">void</span> setTransformation( <a class="code" href="class_qwt_transform.html">QwtTransform</a> * );</div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <a class="code" href="class_qwt_transform.html">QwtTransform</a> *transformation() <span class="keyword">const</span>;</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> </div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span> <span class="keyword">protected</span>:</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordtype">bool</span> contains( <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html">QwtInterval</a> &, <span class="keywordtype">double</span> val ) <span class="keyword">const</span>;</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  QList<double> strip( <span class="keyword">const</span> QList<double>&, <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html">QwtInterval</a> & ) <span class="keyword">const</span>;</div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span> </div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keywordtype">double</span> divideInterval( <span class="keywordtype">double</span> interval, <span class="keywordtype">int</span> numSteps ) <span class="keyword">const</span>;</div><div class="line"><a name="l00135"></a><span class="lineno"> 135</span> </div><div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <a class="code" href="class_qwt_interval.html">QwtInterval</a> buildInterval( <span class="keywordtype">double</span> v ) <span class="keyword">const</span>;</div><div class="line"><a name="l00137"></a><span class="lineno"> 137</span> </div><div class="line"><a name="l00138"></a><span class="lineno"> 138</span> <span class="keyword">private</span>:</div><div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keyword">class </span>PrivateData;</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  PrivateData *d_data;</div><div class="line"><a name="l00141"></a><span class="lineno"> 141</span> };</div><div class="line"><a name="l00142"></a><span class="lineno"> 142</span> </div><div class="line"><a name="l00150"></a><span class="lineno"><a class="line" href="class_qwt_linear_scale_engine.html"> 150</a></span> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_linear_scale_engine.html">QwtLinearScaleEngine</a>: <span class="keyword">public</span> <a class="code" href="class_qwt_scale_engine.html">QwtScaleEngine</a></div><div class="line"><a name="l00151"></a><span class="lineno"> 151</span> {</div><div class="line"><a name="l00152"></a><span class="lineno"> 152</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  <a class="code" href="class_qwt_linear_scale_engine.html">QwtLinearScaleEngine</a>( uint base = 10 );</div><div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_linear_scale_engine.html">QwtLinearScaleEngine</a>();</div><div class="line"><a name="l00155"></a><span class="lineno"> 155</span> </div><div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_scale_engine.html#accc3684f82fd0da0e87b3c5ed0ad9e10">autoScale</a>( <span class="keywordtype">int</span> maxSteps,</div><div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordtype">double</span> &x1, <span class="keywordtype">double</span> &x2, <span class="keywordtype">double</span> &stepSize ) <span class="keyword">const</span>;</div><div class="line"><a name="l00158"></a><span class="lineno"> 158</span> </div><div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keyword">virtual</span> <a class="code" href="class_qwt_scale_div.html">QwtScaleDiv</a> <a class="code" href="class_qwt_scale_engine.html#a797eeaa8a7a23503583b5fa5a583cd28">divideScale</a>( <span class="keywordtype">double</span> x1, <span class="keywordtype">double</span> x2,</div><div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  <span class="keywordtype">int</span> numMajorSteps, <span class="keywordtype">int</span> numMinorSteps,</div><div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordtype">double</span> stepSize = 0.0 ) <span class="keyword">const</span>;</div><div class="line"><a name="l00162"></a><span class="lineno"> 162</span> </div><div class="line"><a name="l00163"></a><span class="lineno"> 163</span> </div><div class="line"><a name="l00164"></a><span class="lineno"> 164</span> <span class="keyword">protected</span>:</div><div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  <a class="code" href="class_qwt_interval.html">QwtInterval</a> align( <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html">QwtInterval</a>&, <span class="keywordtype">double</span> stepSize ) <span class="keyword">const</span>;</div><div class="line"><a name="l00166"></a><span class="lineno"> 166</span> </div><div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  <span class="keywordtype">void</span> buildTicks(</div><div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html">QwtInterval</a> &, <span class="keywordtype">double</span> stepSize, <span class="keywordtype">int</span> maxMinSteps,</div><div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  QList<double> ticks[<a class="code" href="class_qwt_scale_div.html#af21aedaa886dd5e067cf63505838736ca86796bbf72d5eb7162a924ba27ce6553">QwtScaleDiv::NTickTypes</a>] ) <span class="keyword">const</span>;</div><div class="line"><a name="l00170"></a><span class="lineno"> 170</span> </div><div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  QList<double> buildMajorTicks(</div><div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html">QwtInterval</a> &interval, <span class="keywordtype">double</span> stepSize ) <span class="keyword">const</span>;</div><div class="line"><a name="l00173"></a><span class="lineno"> 173</span> </div><div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  <span class="keywordtype">void</span> buildMinorTicks( <span class="keyword">const</span> QList<double>& majorTicks,</div><div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordtype">int</span> maxMinorSteps, <span class="keywordtype">double</span> stepSize,</div><div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  QList<double> &minorTicks, QList<double> &mediumTicks ) <span class="keyword">const</span>;</div><div class="line"><a name="l00177"></a><span class="lineno"> 177</span> };</div><div class="line"><a name="l00178"></a><span class="lineno"> 178</span> </div><div class="line"><a name="l00190"></a><span class="lineno"><a class="line" href="class_qwt_log_scale_engine.html"> 190</a></span> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_log_scale_engine.html">QwtLogScaleEngine</a>: <span class="keyword">public</span> <a class="code" href="class_qwt_scale_engine.html">QwtScaleEngine</a></div><div class="line"><a name="l00191"></a><span class="lineno"> 191</span> {</div><div class="line"><a name="l00192"></a><span class="lineno"> 192</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <a class="code" href="class_qwt_log_scale_engine.html">QwtLogScaleEngine</a>( uint base = 10 );</div><div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_log_scale_engine.html">QwtLogScaleEngine</a>();</div><div class="line"><a name="l00195"></a><span class="lineno"> 195</span> </div><div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  <span class="keyword">virtual</span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_scale_engine.html#accc3684f82fd0da0e87b3c5ed0ad9e10">autoScale</a>( <span class="keywordtype">int</span> maxSteps,</div><div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  <span class="keywordtype">double</span> &x1, <span class="keywordtype">double</span> &x2, <span class="keywordtype">double</span> &stepSize ) <span class="keyword">const</span>;</div><div class="line"><a name="l00198"></a><span class="lineno"> 198</span> </div><div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <span class="keyword">virtual</span> <a class="code" href="class_qwt_scale_div.html">QwtScaleDiv</a> <a class="code" href="class_qwt_scale_engine.html#a797eeaa8a7a23503583b5fa5a583cd28">divideScale</a>( <span class="keywordtype">double</span> x1, <span class="keywordtype">double</span> x2,</div><div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  <span class="keywordtype">int</span> numMajorSteps, <span class="keywordtype">int</span> numMinorSteps,</div><div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  <span class="keywordtype">double</span> stepSize = 0.0 ) <span class="keyword">const</span>;</div><div class="line"><a name="l00202"></a><span class="lineno"> 202</span> </div><div class="line"><a name="l00203"></a><span class="lineno"> 203</span> <span class="keyword">protected</span>:</div><div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  <a class="code" href="class_qwt_interval.html">QwtInterval</a> align( <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html">QwtInterval</a>&, <span class="keywordtype">double</span> stepSize ) <span class="keyword">const</span>;</div><div class="line"><a name="l00205"></a><span class="lineno"> 205</span> </div><div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <span class="keywordtype">void</span> buildTicks(</div><div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html">QwtInterval</a> &, <span class="keywordtype">double</span> stepSize, <span class="keywordtype">int</span> maxMinSteps,</div><div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  QList<double> ticks[<a class="code" href="class_qwt_scale_div.html#af21aedaa886dd5e067cf63505838736ca86796bbf72d5eb7162a924ba27ce6553">QwtScaleDiv::NTickTypes</a>] ) <span class="keyword">const</span>;</div><div class="line"><a name="l00209"></a><span class="lineno"> 209</span> </div><div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  QList<double> buildMajorTicks(</div><div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_interval.html">QwtInterval</a> &interval, <span class="keywordtype">double</span> stepSize ) <span class="keyword">const</span>;</div><div class="line"><a name="l00212"></a><span class="lineno"> 212</span> </div><div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  <span class="keywordtype">void</span> buildMinorTicks( <span class="keyword">const</span> QList<double>& majorTicks,</div><div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  <span class="keywordtype">int</span> maxMinorSteps, <span class="keywordtype">double</span> stepSize,</div><div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  QList<double> &minorTicks, QList<double> &mediumTicks ) <span class="keyword">const</span>;</div><div class="line"><a name="l00216"></a><span class="lineno"> 216</span> };</div><div class="line"><a name="l00217"></a><span class="lineno"> 217</span> </div><div class="line"><a name="l00218"></a><span class="lineno"> 218</span> Q_DECLARE_OPERATORS_FOR_FLAGS( <a class="code" href="class_qwt_scale_engine.html#a798f5f1420019d33baa799d26bca0255">QwtScaleEngine::Attributes</a> )</div><div class="line"><a name="l00219"></a><span class="lineno"> 219</span> </div><div class="line"><a name="l00220"></a><span class="lineno"> 220</span> <span class="preprocessor">#endif</span></div><div class="ttc" id="class_qwt_transform_html"><div class="ttname"><a href="class_qwt_transform.html">QwtTransform</a></div><div class="ttdoc">A transformation between coordinate systems. </div><div class="ttdef"><b>Definition:</b> qwt_transform.h:35</div></div>
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<div class="ttc" id="class_qwt_scale_engine_html"><div class="ttname"><a href="class_qwt_scale_engine.html">QwtScaleEngine</a></div><div class="ttdoc">Base class for scale engines. </div><div class="ttdef"><b>Definition:</b> qwt_scale_engine.h:45</div></div>
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<div class="ttc" id="class_qwt_scale_engine_html_a797eeaa8a7a23503583b5fa5a583cd28"><div class="ttname"><a href="class_qwt_scale_engine.html#a797eeaa8a7a23503583b5fa5a583cd28">QwtScaleEngine::divideScale</a></div><div class="ttdeci">virtual QwtScaleDiv divideScale(double x1, double x2, int maxMajorSteps, int maxMinorSteps, double stepSize=0.0) const =0</div><div class="ttdoc">Calculate a scale division. </div></div>
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<div class="ttc" id="class_qwt_scale_engine_html_a798f5f1420019d33baa799d26bca0255"><div class="ttname"><a href="class_qwt_scale_engine.html#a798f5f1420019d33baa799d26bca0255">QwtScaleEngine::Attributes</a></div><div class="ttdeci">QFlags< Attribute > Attributes</div><div class="ttdoc">Layout attributes. </div><div class="ttdef"><b>Definition:</b> qwt_scale_engine.h:79</div></div>
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<div class="ttc" id="class_qwt_scale_div_html"><div class="ttname"><a href="class_qwt_scale_div.html">QwtScaleDiv</a></div><div class="ttdoc">A class representing a scale division. </div><div class="ttdef"><b>Definition:</b> qwt_scale_div.h:36</div></div>
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<div class="ttc" id="class_qwt_linear_scale_engine_html"><div class="ttname"><a href="class_qwt_linear_scale_engine.html">QwtLinearScaleEngine</a></div><div class="ttdoc">A scale engine for linear scales. </div><div class="ttdef"><b>Definition:</b> qwt_scale_engine.h:150</div></div>
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<div class="ttc" id="class_qwt_scale_engine_html_accc3684f82fd0da0e87b3c5ed0ad9e10"><div class="ttname"><a href="class_qwt_scale_engine.html#accc3684f82fd0da0e87b3c5ed0ad9e10">QwtScaleEngine::autoScale</a></div><div class="ttdeci">virtual void autoScale(int maxNumSteps, double &x1, double &x2, double &stepSize) const =0</div></div>
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<div class="ttc" id="class_qwt_scale_div_html_af21aedaa886dd5e067cf63505838736ca86796bbf72d5eb7162a924ba27ce6553"><div class="ttname"><a href="class_qwt_scale_div.html#af21aedaa886dd5e067cf63505838736ca86796bbf72d5eb7162a924ba27ce6553">QwtScaleDiv::NTickTypes</a></div><div class="ttdoc">Number of valid tick types. </div><div class="ttdef"><b>Definition:</b> qwt_scale_div.h:55</div></div>
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<div class="ttc" id="class_qwt_scale_arithmetic_html"><div class="ttname"><a href="class_qwt_scale_arithmetic.html">QwtScaleArithmetic</a></div><div class="ttdoc">Arithmetic including a tolerance. </div><div class="ttdef"><b>Definition:</b> qwt_scale_engine.h:22</div></div>
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<div class="ttc" id="class_qwt_log_scale_engine_html"><div class="ttname"><a href="class_qwt_log_scale_engine.html">QwtLogScaleEngine</a></div><div class="ttdoc">A scale engine for logarithmic scales. </div><div class="ttdef"><b>Definition:</b> qwt_scale_engine.h:190</div></div>
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<div class="ttc" id="class_qwt_interval_html"><div class="ttname"><a href="class_qwt_interval.html">QwtInterval</a></div><div class="ttdoc">A class representing an interval. </div><div class="ttdef"><b>Definition:</b> qwt_interval.h:26</div></div>
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<div class="ttc" id="class_qwt_scale_engine_html_a7548418e0896d75eec164bfa2ba3ff5f"><div class="ttname"><a href="class_qwt_scale_engine.html#a7548418e0896d75eec164bfa2ba3ff5f">QwtScaleEngine::Attribute</a></div><div class="ttdeci">Attribute</div><div class="ttdef"><b>Definition:</b> qwt_scale_engine.h:54</div></div>
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