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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_TRANSFORM_H</span></div><div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#define QWT_TRANSFORM_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> </div><div class="line"><a name="l00035"></a><span class="lineno"><a class="line" href="class_qwt_transform.html"> 35</a></span> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_transform.html">QwtTransform</a></div><div class="line"><a name="l00036"></a><span class="lineno"> 36</span> {</div><div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  <a class="code" href="class_qwt_transform.html">QwtTransform</a>();</div><div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_transform.html">QwtTransform</a>();</div><div class="line"><a name="l00040"></a><span class="lineno"> 40</span> </div><div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  <span class="keyword">virtual</span> <span class="keywordtype">double</span> bounded( <span class="keywordtype">double</span> value ) <span class="keyword">const</span>;</div><div class="line"><a name="l00046"></a><span class="lineno"> 46</span> </div><div class="line"><a name="l00055"></a><span class="lineno"> 55</span>  <span class="keyword">virtual</span> <span class="keywordtype">double</span> transform( <span class="keywordtype">double</span> value ) <span class="keyword">const</span> = 0;</div><div class="line"><a name="l00056"></a><span class="lineno"> 56</span> </div><div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  <span class="keyword">virtual</span> <span class="keywordtype">double</span> invTransform( <span class="keywordtype">double</span> value ) <span class="keyword">const</span> = 0;</div><div class="line"><a name="l00066"></a><span class="lineno"> 66</span> </div><div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  <span class="keyword">virtual</span> <a class="code" href="class_qwt_transform.html">QwtTransform</a> *copy() <span class="keyword">const</span> = 0;</div><div class="line"><a name="l00069"></a><span class="lineno"> 69</span> };</div><div class="line"><a name="l00070"></a><span class="lineno"> 70</span> </div><div class="line"><a name="l00077"></a><span class="lineno"><a class="line" href="class_qwt_null_transform.html"> 77</a></span> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_null_transform.html">QwtNullTransform</a>: <span class="keyword">public</span> <a class="code" href="class_qwt_transform.html">QwtTransform</a></div><div class="line"><a name="l00078"></a><span class="lineno"> 78</span> {</div><div class="line"><a name="l00079"></a><span class="lineno"> 79</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <a class="code" href="class_qwt_null_transform.html">QwtNullTransform</a>();</div><div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_null_transform.html">QwtNullTransform</a>();</div><div class="line"><a name="l00082"></a><span class="lineno"> 82</span> </div><div class="line"><a name="l00083"></a><span class="lineno"> 83</span>  <span class="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_transform.html#a7ca5657c4722b4d39eb57bf5459c2fd0">transform</a>( <span class="keywordtype">double</span> value ) <span class="keyword">const</span>;</div><div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <span class="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_transform.html#a078578d562a1f76555f7b3446d1724e0">invTransform</a>( <span class="keywordtype">double</span> value ) <span class="keyword">const</span>;</div><div class="line"><a name="l00085"></a><span class="lineno"> 85</span> </div><div class="line"><a name="l00086"></a><span class="lineno"> 86</span>  <span class="keyword">virtual</span> <a class="code" href="class_qwt_transform.html">QwtTransform</a> *<a class="code" href="class_qwt_transform.html#a2736acb99a26c51eec090456910c145f">copy</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00087"></a><span class="lineno"> 87</span> };</div><div class="line"><a name="l00097"></a><span class="lineno"><a class="line" href="class_qwt_log_transform.html"> 97</a></span> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_log_transform.html">QwtLogTransform</a>: <span class="keyword">public</span> <a class="code" href="class_qwt_transform.html">QwtTransform</a></div><div class="line"><a name="l00098"></a><span class="lineno"> 98</span> { </div><div class="line"><a name="l00099"></a><span class="lineno"> 99</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00100"></a><span class="lineno"> 100</span>  <a class="code" href="class_qwt_log_transform.html">QwtLogTransform</a>();</div><div class="line"><a name="l00101"></a><span class="lineno"> 101</span>  <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_log_transform.html">QwtLogTransform</a>();</div><div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  </div><div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  <span class="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_transform.html#a7ca5657c4722b4d39eb57bf5459c2fd0">transform</a>( <span class="keywordtype">double</span> value ) <span class="keyword">const</span>;</div><div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  <span class="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_transform.html#a078578d562a1f76555f7b3446d1724e0">invTransform</a>( <span class="keywordtype">double</span> value ) <span class="keyword">const</span>;</div><div class="line"><a name="l00105"></a><span class="lineno"> 105</span> </div><div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  <span class="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_transform.html#a2703fc5855720201f46ed9404271a527">bounded</a>( <span class="keywordtype">double</span> value ) <span class="keyword">const</span>;</div><div class="line"><a name="l00107"></a><span class="lineno"> 107</span> </div><div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  <span class="keyword">virtual</span> <a class="code" href="class_qwt_transform.html">QwtTransform</a> *<a class="code" href="class_qwt_transform.html#a2736acb99a26c51eec090456910c145f">copy</a>() <span class="keyword">const</span>;</div><div class="line"><a name="l00109"></a><span class="lineno"> 109</span> </div><div class="line"><a name="l00110"></a><span class="lineno"> 110</span> <span class="preprocessor">#if QT_VERSION >= 0x050400</span></div><div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> LogMin;</div><div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keyword">static</span> <span class="keyword">const</span> <span class="keywordtype">double</span> LogMax;</div><div class="line"><a name="l00113"></a><span class="lineno"> 113</span> <span class="preprocessor">#else</span></div><div class="line"><a name="l00114"></a><span class="lineno"><a class="line" href="class_qwt_log_transform.html#ad16ce32a68b714955412dc8b1b8f6622"> 114</a></span>  QT_STATIC_CONST <span class="keywordtype">double</span> <a class="code" href="class_qwt_log_transform.html#ad16ce32a68b714955412dc8b1b8f6622">LogMin</a>;</div><div class="line"><a name="l00115"></a><span class="lineno"><a class="line" href="class_qwt_log_transform.html#ae5b7d96e9a765986cf1fc4b4c1fc7915"> 115</a></span>  QT_STATIC_CONST <span class="keywordtype">double</span> <a class="code" href="class_qwt_log_transform.html#ae5b7d96e9a765986cf1fc4b4c1fc7915">LogMax</a>;</div><div class="line"><a name="l00116"></a><span class="lineno"> 116</span> <span class="preprocessor">#endif</span></div><div class="line"><a name="l00117"></a><span class="lineno"> 117</span> };</div><div class="line"><a name="l00118"></a><span class="lineno"> 118</span> </div><div class="line"><a name="l00127"></a><span class="lineno"><a class="line" href="class_qwt_power_transform.html"> 127</a></span> <span class="keyword">class </span>QWT_EXPORT <a class="code" href="class_qwt_power_transform.html">QwtPowerTransform</a>: <span class="keyword">public</span> <a class="code" href="class_qwt_transform.html">QwtTransform</a></div><div class="line"><a name="l00128"></a><span class="lineno"> 128</span> {</div><div class="line"><a name="l00129"></a><span class="lineno"> 129</span> <span class="keyword">public</span>:</div><div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <a class="code" href="class_qwt_power_transform.html">QwtPowerTransform</a>( <span class="keywordtype">double</span> exponent );</div><div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keyword">virtual</span> ~<a class="code" href="class_qwt_power_transform.html">QwtPowerTransform</a>();</div><div class="line"><a name="l00132"></a><span class="lineno"> 132</span> </div><div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  <span class="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_transform.html#a7ca5657c4722b4d39eb57bf5459c2fd0">transform</a>( <span class="keywordtype">double</span> value ) <span class="keyword">const</span>;</div><div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  <span class="keyword">virtual</span> <span class="keywordtype">double</span> <a class="code" href="class_qwt_transform.html#a078578d562a1f76555f7b3446d1724e0">invTransform</a>( <span class="keywordtype">double</span> value ) <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>  <span class="keyword">virtual</span> <a class="code" href="class_qwt_transform.html">QwtTransform</a> *<a class="code" href="class_qwt_transform.html#a2736acb99a26c51eec090456910c145f">copy</a>() <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">const</span> <span class="keywordtype">double</span> d_exponent;</div><div class="line"><a name="l00140"></a><span class="lineno"> 140</span> };</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> <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_log_transform_html"><div class="ttname"><a href="class_qwt_log_transform.html">QwtLogTransform</a></div><div class="ttdoc">Logarithmic transformation. </div><div class="ttdef"><b>Definition:</b> qwt_transform.h:97</div></div>
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<div class="ttc" id="class_qwt_transform_html_a2703fc5855720201f46ed9404271a527"><div class="ttname"><a href="class_qwt_transform.html#a2703fc5855720201f46ed9404271a527">QwtTransform::bounded</a></div><div class="ttdeci">virtual double bounded(double value) const </div><div class="ttdef"><b>Definition:</b> qwt_transform.cpp:49</div></div>
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<div class="ttc" id="class_qwt_power_transform_html"><div class="ttname"><a href="class_qwt_power_transform.html">QwtPowerTransform</a></div><div class="ttdoc">A transformation using pow() </div><div class="ttdef"><b>Definition:</b> qwt_transform.h:127</div></div>
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<div class="ttc" id="class_qwt_log_transform_html_ae5b7d96e9a765986cf1fc4b4c1fc7915"><div class="ttname"><a href="class_qwt_log_transform.html#ae5b7d96e9a765986cf1fc4b4c1fc7915">QwtLogTransform::LogMax</a></div><div class="ttdeci">QT_STATIC_CONST double LogMax</div><div class="ttdoc">Largest allowed value for logarithmic scales: 1.0e150. </div><div class="ttdef"><b>Definition:</b> qwt_transform.h:115</div></div>
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<div class="ttc" id="class_qwt_log_transform_html_ad16ce32a68b714955412dc8b1b8f6622"><div class="ttname"><a href="class_qwt_log_transform.html#ad16ce32a68b714955412dc8b1b8f6622">QwtLogTransform::LogMin</a></div><div class="ttdeci">QT_STATIC_CONST double LogMin</div><div class="ttdoc">Smallest allowed value for logarithmic scales: 1.0e-150. </div><div class="ttdef"><b>Definition:</b> qwt_transform.h:114</div></div>
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<div class="ttc" id="class_qwt_transform_html_a2736acb99a26c51eec090456910c145f"><div class="ttname"><a href="class_qwt_transform.html#a2736acb99a26c51eec090456910c145f">QwtTransform::copy</a></div><div class="ttdeci">virtual QwtTransform * copy() const =0</div><div class="ttdoc">Virtualized copy operation. </div></div>
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<div class="ttc" id="class_qwt_null_transform_html"><div class="ttname"><a href="class_qwt_null_transform.html">QwtNullTransform</a></div><div class="ttdoc">Null transformation. </div><div class="ttdef"><b>Definition:</b> qwt_transform.h:77</div></div>
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<div class="ttc" id="class_qwt_transform_html_a078578d562a1f76555f7b3446d1724e0"><div class="ttname"><a href="class_qwt_transform.html#a078578d562a1f76555f7b3446d1724e0">QwtTransform::invTransform</a></div><div class="ttdeci">virtual double invTransform(double value) const =0</div></div>
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<div class="ttc" id="class_qwt_transform_html_a7ca5657c4722b4d39eb57bf5459c2fd0"><div class="ttname"><a href="class_qwt_transform.html#a7ca5657c4722b4d39eb57bf5459c2fd0">QwtTransform::transform</a></div><div class="ttdeci">virtual double transform(double value) const =0</div></div>
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