303 lines
38 KiB
HTML
303 lines
38 KiB
HTML
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "https://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
|
|
<html xmlns="http://www.w3.org/1999/xhtml">
|
|
<head>
|
|
<meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/>
|
|
<meta http-equiv="X-UA-Compatible" content="IE=9"/>
|
|
<meta name="generator" content="Doxygen 1.9.1"/>
|
|
<meta name="viewport" content="width=device-width, initial-scale=1"/>
|
|
<title>Qwt User's Guide: qwt_scale_map.cpp Source File</title>
|
|
<link href="tabs.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="jquery.js"></script>
|
|
<script type="text/javascript" src="dynsections.js"></script>
|
|
<link href="navtree.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="resize.js"></script>
|
|
<script type="text/javascript" src="navtreedata.js"></script>
|
|
<script type="text/javascript" src="navtree.js"></script>
|
|
<link href="search/search.css" rel="stylesheet" type="text/css"/>
|
|
<script type="text/javascript" src="search/searchdata.js"></script>
|
|
<script type="text/javascript" src="search/search.js"></script>
|
|
<link href="doxygen.css" rel="stylesheet" type="text/css" />
|
|
</head>
|
|
<body>
|
|
<div id="top"><!-- do not remove this div, it is closed by doxygen! -->
|
|
<div id="titlearea">
|
|
<table cellspacing="0" cellpadding="0">
|
|
<tbody>
|
|
<tr style="height: 56px;">
|
|
<td id="projectalign" style="padding-left: 0.5em;">
|
|
<div id="projectname">Qwt User's Guide
|
|
 <span id="projectnumber">6.2.0</span>
|
|
</div>
|
|
</td>
|
|
</tr>
|
|
</tbody>
|
|
</table>
|
|
</div>
|
|
<!-- end header part -->
|
|
<!-- Generated by Doxygen 1.9.1 -->
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
|
|
var searchBox = new SearchBox("searchBox", "search",false,'Search','.html');
|
|
/* @license-end */
|
|
</script>
|
|
<script type="text/javascript" src="menudata.js"></script>
|
|
<script type="text/javascript" src="menu.js"></script>
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
|
|
$(function() {
|
|
initMenu('',true,false,'search.php','Search');
|
|
$(document).ready(function() { init_search(); });
|
|
});
|
|
/* @license-end */</script>
|
|
<div id="main-nav"></div>
|
|
</div><!-- top -->
|
|
<div id="side-nav" class="ui-resizable side-nav-resizable">
|
|
<div id="nav-tree">
|
|
<div id="nav-tree-contents">
|
|
<div id="nav-sync" class="sync"></div>
|
|
</div>
|
|
</div>
|
|
<div id="splitbar" style="-moz-user-select:none;"
|
|
class="ui-resizable-handle">
|
|
</div>
|
|
</div>
|
|
<script type="text/javascript">
|
|
/* @license magnet:?xt=urn:btih:cf05388f2679ee054f2beb29a391d25f4e673ac3&dn=gpl-2.0.txt GPL-v2 */
|
|
$(document).ready(function(){initNavTree('qwt__scale__map_8cpp_source.html',''); initResizable(); });
|
|
/* @license-end */
|
|
</script>
|
|
<div id="doc-content">
|
|
<!-- window showing the filter options -->
|
|
<div id="MSearchSelectWindow"
|
|
onmouseover="return searchBox.OnSearchSelectShow()"
|
|
onmouseout="return searchBox.OnSearchSelectHide()"
|
|
onkeydown="return searchBox.OnSearchSelectKey(event)">
|
|
</div>
|
|
|
|
<!-- iframe showing the search results (closed by default) -->
|
|
<div id="MSearchResultsWindow">
|
|
<iframe src="javascript:void(0)" frameborder="0"
|
|
name="MSearchResults" id="MSearchResults">
|
|
</iframe>
|
|
</div>
|
|
|
|
<div class="header">
|
|
<div class="headertitle">
|
|
<div class="title">qwt_scale_map.cpp</div> </div>
|
|
</div><!--header-->
|
|
<div class="contents">
|
|
<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span> <span class="comment">/******************************************************************************</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">#include "qwt_scale_map.h"</span></div>
|
|
<div class="line"><a name="l00011"></a><span class="lineno"> 11</span> <span class="preprocessor">#include "qwt_math.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 <qrect.h></span></div>
|
|
<div class="line"><a name="l00014"></a><span class="lineno"> 14</span> <span class="preprocessor">#include <qdebug.h></span></div>
|
|
<div class="line"><a name="l00015"></a><span class="lineno"> 15</span>  </div>
|
|
<div class="line"><a name="l00021"></a><span class="lineno"><a class="line" href="class_qwt_scale_map.html#a9576a2e19c0be1d036fee344ab68f542"> 21</a></span> <a class="code" href="class_qwt_scale_map.html#a9576a2e19c0be1d036fee344ab68f542">QwtScaleMap::QwtScaleMap</a>()</div>
|
|
<div class="line"><a name="l00022"></a><span class="lineno"> 22</span>  : m_s1( 0.0 )</div>
|
|
<div class="line"><a name="l00023"></a><span class="lineno"> 23</span>  , m_s2( 1.0 )</div>
|
|
<div class="line"><a name="l00024"></a><span class="lineno"> 24</span>  , m_p1( 0.0 )</div>
|
|
<div class="line"><a name="l00025"></a><span class="lineno"> 25</span>  , m_p2( 1.0 )</div>
|
|
<div class="line"><a name="l00026"></a><span class="lineno"> 26</span>  , m_cnv( 1.0 )</div>
|
|
<div class="line"><a name="l00027"></a><span class="lineno"> 27</span>  , m_ts1( 0.0 )</div>
|
|
<div class="line"><a name="l00028"></a><span class="lineno"> 28</span>  , m_transform( NULL )</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> }</div>
|
|
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span>  </div>
|
|
<div class="line"><a name="l00033"></a><span class="lineno"><a class="line" href="class_qwt_scale_map.html#a579bc766106d98edd7153e62ea77a19b"> 33</a></span> <a class="code" href="class_qwt_scale_map.html#a9576a2e19c0be1d036fee344ab68f542">QwtScaleMap::QwtScaleMap</a>( <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a>& other )</div>
|
|
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span>  : m_s1( other.m_s1 )</div>
|
|
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  , m_s2( other.m_s2 )</div>
|
|
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  , m_p1( other.m_p1 )</div>
|
|
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span>  , m_p2( other.m_p2 )</div>
|
|
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span>  , m_cnv( other.m_cnv )</div>
|
|
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span>  , m_ts1( other.m_ts1 )</div>
|
|
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span>  , m_transform( NULL )</div>
|
|
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> {</div>
|
|
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span>  <span class="keywordflow">if</span> ( other.m_transform )</div>
|
|
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span>  m_transform = other.m_transform-><a class="code" href="class_qwt_transform.html#aae011ee4205fa4391459766d88971809">copy</a>();</div>
|
|
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span> }</div>
|
|
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span>  </div>
|
|
<div class="line"><a name="l00049"></a><span class="lineno"><a class="line" href="class_qwt_scale_map.html#aecafd09423984a5e0ffa935d1b45110c"> 49</a></span> <a class="code" href="class_qwt_scale_map.html#aecafd09423984a5e0ffa935d1b45110c">QwtScaleMap::~QwtScaleMap</a>()</div>
|
|
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> {</div>
|
|
<div class="line"><a name="l00051"></a><span class="lineno"> 51</span>  <span class="keyword">delete</span> m_transform;</div>
|
|
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span> }</div>
|
|
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span>  </div>
|
|
<div class="line"><a name="l00055"></a><span class="lineno"><a class="line" href="class_qwt_scale_map.html#a3f55ef14f8874e626380fcf92b096791"> 55</a></span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a>& <a class="code" href="class_qwt_scale_map.html#a3f55ef14f8874e626380fcf92b096791">QwtScaleMap::operator=</a>( <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a>& other )</div>
|
|
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span> {</div>
|
|
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  m_s1 = other.m_s1;</div>
|
|
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  m_s2 = other.m_s2;</div>
|
|
<div class="line"><a name="l00059"></a><span class="lineno"> 59</span>  m_p1 = other.m_p1;</div>
|
|
<div class="line"><a name="l00060"></a><span class="lineno"> 60</span>  m_p2 = other.m_p2;</div>
|
|
<div class="line"><a name="l00061"></a><span class="lineno"> 61</span>  m_cnv = other.m_cnv;</div>
|
|
<div class="line"><a name="l00062"></a><span class="lineno"> 62</span>  m_ts1 = other.m_ts1;</div>
|
|
<div class="line"><a name="l00063"></a><span class="lineno"> 63</span>  </div>
|
|
<div class="line"><a name="l00064"></a><span class="lineno"> 64</span>  <span class="keyword">delete</span> m_transform;</div>
|
|
<div class="line"><a name="l00065"></a><span class="lineno"> 65</span>  m_transform = NULL;</div>
|
|
<div class="line"><a name="l00066"></a><span class="lineno"> 66</span>  </div>
|
|
<div class="line"><a name="l00067"></a><span class="lineno"> 67</span>  <span class="keywordflow">if</span> ( other.m_transform )</div>
|
|
<div class="line"><a name="l00068"></a><span class="lineno"> 68</span>  m_transform = other.m_transform-><a class="code" href="class_qwt_transform.html#aae011ee4205fa4391459766d88971809">copy</a>();</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>  <span class="keywordflow">return</span> *<span class="keyword">this</span>;</div>
|
|
<div class="line"><a name="l00071"></a><span class="lineno"> 71</span> }</div>
|
|
<div class="line"><a name="l00072"></a><span class="lineno"> 72</span>  </div>
|
|
<div class="line"><a name="l00076"></a><span class="lineno"><a class="line" href="class_qwt_scale_map.html#ad8e971dd4be07801f0adc99549153718"> 76</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_scale_map.html#ad8e971dd4be07801f0adc99549153718">QwtScaleMap::setTransformation</a>( <a class="code" href="class_qwt_transform.html">QwtTransform</a>* transform )</div>
|
|
<div class="line"><a name="l00077"></a><span class="lineno"> 77</span> {</div>
|
|
<div class="line"><a name="l00078"></a><span class="lineno"> 78</span>  <span class="keywordflow">if</span> ( <a class="code" href="class_qwt_scale_map.html#a504f1627e0e02ddac03d2ce46507b865">transform</a> != m_transform )</div>
|
|
<div class="line"><a name="l00079"></a><span class="lineno"> 79</span>  {</div>
|
|
<div class="line"><a name="l00080"></a><span class="lineno"> 80</span>  <span class="keyword">delete</span> m_transform;</div>
|
|
<div class="line"><a name="l00081"></a><span class="lineno"> 81</span>  m_transform = <a class="code" href="class_qwt_scale_map.html#a504f1627e0e02ddac03d2ce46507b865">transform</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>  </div>
|
|
<div class="line"><a name="l00084"></a><span class="lineno"> 84</span>  <a class="code" href="class_qwt_scale_map.html#aaa33bc8e1aed7aa17d345053194e7094">setScaleInterval</a>( m_s1, m_s2 );</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>  </div>
|
|
<div class="line"><a name="l00088"></a><span class="lineno"><a class="line" href="class_qwt_scale_map.html#a810c561caaad7d6573a1e8ff06fe4b23"> 88</a></span> <span class="keyword">const</span> <a class="code" href="class_qwt_transform.html">QwtTransform</a>* <a class="code" href="class_qwt_scale_map.html#a810c561caaad7d6573a1e8ff06fe4b23">QwtScaleMap::transformation</a>()<span class="keyword"> const</span></div>
|
|
<div class="line"><a name="l00089"></a><span class="lineno"> 89</span> <span class="keyword"></span>{</div>
|
|
<div class="line"><a name="l00090"></a><span class="lineno"> 90</span>  <span class="keywordflow">return</span> m_transform;</div>
|
|
<div class="line"><a name="l00091"></a><span class="lineno"> 91</span> }</div>
|
|
<div class="line"><a name="l00092"></a><span class="lineno"> 92</span>  </div>
|
|
<div class="line"><a name="l00100"></a><span class="lineno"><a class="line" href="class_qwt_scale_map.html#aaa33bc8e1aed7aa17d345053194e7094"> 100</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_scale_map.html#aaa33bc8e1aed7aa17d345053194e7094">QwtScaleMap::setScaleInterval</a>( <span class="keywordtype">double</span> s1, <span class="keywordtype">double</span> s2 )</div>
|
|
<div class="line"><a name="l00101"></a><span class="lineno"> 101</span> {</div>
|
|
<div class="line"><a name="l00102"></a><span class="lineno"> 102</span>  m_s1 = <a class="code" href="class_qwt_scale_map.html#a64b15c76aa63a521447215018c75bf37">s1</a>;</div>
|
|
<div class="line"><a name="l00103"></a><span class="lineno"> 103</span>  m_s2 = <a class="code" href="class_qwt_scale_map.html#a7c8c969923c15880c4620be1d814ef18">s2</a>;</div>
|
|
<div class="line"><a name="l00104"></a><span class="lineno"> 104</span>  </div>
|
|
<div class="line"><a name="l00105"></a><span class="lineno"> 105</span>  <span class="keywordflow">if</span> ( m_transform )</div>
|
|
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span>  {</div>
|
|
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span>  m_s1 = m_transform-><a class="code" href="class_qwt_transform.html#aef97acf17f900905f2a93cec7f61e643">bounded</a>( m_s1 );</div>
|
|
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span>  m_s2 = m_transform-><a class="code" href="class_qwt_transform.html#aef97acf17f900905f2a93cec7f61e643">bounded</a>( m_s2 );</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>  </div>
|
|
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  updateFactor();</div>
|
|
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span> }</div>
|
|
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  </div>
|
|
<div class="line"><a name="l00119"></a><span class="lineno"><a class="line" href="class_qwt_scale_map.html#a994240e446986112f196a65657dc9755"> 119</a></span> <span class="keywordtype">void</span> <a class="code" href="class_qwt_scale_map.html#a994240e446986112f196a65657dc9755">QwtScaleMap::setPaintInterval</a>( <span class="keywordtype">double</span> p1, <span class="keywordtype">double</span> p2 )</div>
|
|
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span> {</div>
|
|
<div class="line"><a name="l00121"></a><span class="lineno"> 121</span>  m_p1 = <a class="code" href="class_qwt_scale_map.html#a4d03a9fea3bd9b66a0b882b8b1a58f4b">p1</a>;</div>
|
|
<div class="line"><a name="l00122"></a><span class="lineno"> 122</span>  m_p2 = <a class="code" href="class_qwt_scale_map.html#acd78b70fae83854a148fa3d08b13c261">p2</a>;</div>
|
|
<div class="line"><a name="l00123"></a><span class="lineno"> 123</span>  </div>
|
|
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span>  updateFactor();</div>
|
|
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> }</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> QwtScaleMap::updateFactor()</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>  m_ts1 = m_s1;</div>
|
|
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  <span class="keywordtype">double</span> ts2 = m_s2;</div>
|
|
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  </div>
|
|
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  <span class="keywordflow">if</span> ( m_transform )</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>  m_ts1 = m_transform-><a class="code" href="class_qwt_transform.html#a1093b5856cbc6cf812460535442fb130">transform</a>( m_ts1 );</div>
|
|
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  ts2 = m_transform-><a class="code" href="class_qwt_transform.html#a1093b5856cbc6cf812460535442fb130">transform</a>( ts2 );</div>
|
|
<div class="line"><a name="l00136"></a><span class="lineno"> 136</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>  m_cnv = 1.0;</div>
|
|
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  <span class="keywordflow">if</span> ( m_ts1 != ts2 )</div>
|
|
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  m_cnv = ( m_p2 - m_p1 ) / ( ts2 - m_ts1 );</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="l00153"></a><span class="lineno"><a class="line" href="class_qwt_scale_map.html#af99eeda829142128f97e0b6c4fbf9e1f"> 153</a></span> QRectF <a class="code" href="class_qwt_scale_map.html#a504f1627e0e02ddac03d2ce46507b865">QwtScaleMap::transform</a>( <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a>& xMap,</div>
|
|
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a>& yMap, <span class="keyword">const</span> QRectF& rect )</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="keywordtype">double</span> x1 = xMap.<a class="code" href="class_qwt_scale_map.html#a504f1627e0e02ddac03d2ce46507b865">transform</a>( rect.left() );</div>
|
|
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="keywordtype">double</span> x2 = xMap.<a class="code" href="class_qwt_scale_map.html#a504f1627e0e02ddac03d2ce46507b865">transform</a>( rect.right() );</div>
|
|
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  <span class="keywordtype">double</span> y1 = yMap.<a class="code" href="class_qwt_scale_map.html#a504f1627e0e02ddac03d2ce46507b865">transform</a>( rect.top() );</div>
|
|
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  <span class="keywordtype">double</span> y2 = yMap.<a class="code" href="class_qwt_scale_map.html#a504f1627e0e02ddac03d2ce46507b865">transform</a>( rect.bottom() );</div>
|
|
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  </div>
|
|
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  <span class="keywordflow">if</span> ( x2 < x1 )</div>
|
|
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  qSwap( x1, x2 );</div>
|
|
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordflow">if</span> ( y2 < y1 )</div>
|
|
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  qSwap( y1, y2 );</div>
|
|
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  </div>
|
|
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  <span class="keywordflow">if</span> ( qwtFuzzyCompare( x1, 0.0, x2 - x1 ) == 0 )</div>
|
|
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  x1 = 0.0;</div>
|
|
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  <span class="keywordflow">if</span> ( qwtFuzzyCompare( x2, 0.0, x2 - x1 ) == 0 )</div>
|
|
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  x2 = 0.0;</div>
|
|
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  <span class="keywordflow">if</span> ( qwtFuzzyCompare( y1, 0.0, y2 - y1 ) == 0 )</div>
|
|
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  y1 = 0.0;</div>
|
|
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  <span class="keywordflow">if</span> ( qwtFuzzyCompare( y2, 0.0, y2 - y1 ) == 0 )</div>
|
|
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  y2 = 0.0;</div>
|
|
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  </div>
|
|
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  <span class="keywordflow">return</span> QRectF( x1, y1, x2 - x1 + 1, y2 - y1 + 1 );</div>
|
|
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span> }</div>
|
|
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  </div>
|
|
<div class="line"><a name="l00187"></a><span class="lineno"><a class="line" href="class_qwt_scale_map.html#a08dc05a17283c531e2c1d79fd52bc56a"> 187</a></span> QPointF <a class="code" href="class_qwt_scale_map.html#ab1ee6d62addf3f9cf091d425be9ac642">QwtScaleMap::invTransform</a>( <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a>& xMap,</div>
|
|
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a>& yMap, <span class="keyword">const</span> QPointF& pos )</div>
|
|
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span> {</div>
|
|
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  <span class="keywordflow">return</span> QPointF(</div>
|
|
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  xMap.<a class="code" href="class_qwt_scale_map.html#ab1ee6d62addf3f9cf091d425be9ac642">invTransform</a>( pos.x() ),</div>
|
|
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  yMap.<a class="code" href="class_qwt_scale_map.html#ab1ee6d62addf3f9cf091d425be9ac642">invTransform</a>( pos.y() )</div>
|
|
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  );</div>
|
|
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span> }</div>
|
|
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  </div>
|
|
<div class="line"><a name="l00206"></a><span class="lineno"><a class="line" href="class_qwt_scale_map.html#a6be600afa5bd75f5ff52b1f102b123b0"> 206</a></span> QPointF <a class="code" href="class_qwt_scale_map.html#a504f1627e0e02ddac03d2ce46507b865">QwtScaleMap::transform</a>( <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a>& xMap,</div>
|
|
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a>& yMap, <span class="keyword">const</span> QPointF& pos )</div>
|
|
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span> {</div>
|
|
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  <span class="keywordflow">return</span> QPointF(</div>
|
|
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  xMap.<a class="code" href="class_qwt_scale_map.html#a504f1627e0e02ddac03d2ce46507b865">transform</a>( pos.x() ),</div>
|
|
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  yMap.<a class="code" href="class_qwt_scale_map.html#a504f1627e0e02ddac03d2ce46507b865">transform</a>( pos.y() )</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> }</div>
|
|
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  </div>
|
|
<div class="line"><a name="l00224"></a><span class="lineno"><a class="line" href="class_qwt_scale_map.html#a8fe572f224a14672684fd929c55568f8"> 224</a></span> QRectF <a class="code" href="class_qwt_scale_map.html#ab1ee6d62addf3f9cf091d425be9ac642">QwtScaleMap::invTransform</a>( <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a>& xMap,</div>
|
|
<div class="line"><a name="l00225"></a><span class="lineno"> 225</span>  <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a>& yMap, <span class="keyword">const</span> QRectF& rect )</div>
|
|
<div class="line"><a name="l00226"></a><span class="lineno"> 226</span> {</div>
|
|
<div class="line"><a name="l00227"></a><span class="lineno"> 227</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> x1 = xMap.<a class="code" href="class_qwt_scale_map.html#ab1ee6d62addf3f9cf091d425be9ac642">invTransform</a>( rect.left() );</div>
|
|
<div class="line"><a name="l00228"></a><span class="lineno"> 228</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> x2 = xMap.<a class="code" href="class_qwt_scale_map.html#ab1ee6d62addf3f9cf091d425be9ac642">invTransform</a>( rect.right() - 1 );</div>
|
|
<div class="line"><a name="l00229"></a><span class="lineno"> 229</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> y1 = yMap.<a class="code" href="class_qwt_scale_map.html#ab1ee6d62addf3f9cf091d425be9ac642">invTransform</a>( rect.top() );</div>
|
|
<div class="line"><a name="l00230"></a><span class="lineno"> 230</span>  <span class="keyword">const</span> <span class="keywordtype">double</span> y2 = yMap.<a class="code" href="class_qwt_scale_map.html#ab1ee6d62addf3f9cf091d425be9ac642">invTransform</a>( rect.bottom() - 1 );</div>
|
|
<div class="line"><a name="l00231"></a><span class="lineno"> 231</span>  </div>
|
|
<div class="line"><a name="l00232"></a><span class="lineno"> 232</span>  <span class="keyword">const</span> QRectF r( x1, y1, x2 - x1, y2 - y1 );</div>
|
|
<div class="line"><a name="l00233"></a><span class="lineno"> 233</span>  <span class="keywordflow">return</span> r.normalized();</div>
|
|
<div class="line"><a name="l00234"></a><span class="lineno"> 234</span> }</div>
|
|
<div class="line"><a name="l00235"></a><span class="lineno"> 235</span>  </div>
|
|
<div class="line"><a name="l00236"></a><span class="lineno"> 236</span> <span class="preprocessor">#ifndef QT_NO_DEBUG_STREAM</span></div>
|
|
<div class="line"><a name="l00237"></a><span class="lineno"> 237</span>  </div>
|
|
<div class="line"><a name="l00238"></a><span class="lineno"> 238</span> QDebug operator<<( QDebug debug, <span class="keyword">const</span> <a class="code" href="class_qwt_scale_map.html">QwtScaleMap</a>& map )</div>
|
|
<div class="line"><a name="l00239"></a><span class="lineno"> 239</span> {</div>
|
|
<div class="line"><a name="l00240"></a><span class="lineno"> 240</span>  debug.nospace() << <span class="stringliteral">"QwtScaleMap("</span></div>
|
|
<div class="line"><a name="l00241"></a><span class="lineno"> 241</span>  << map.<a class="code" href="class_qwt_scale_map.html#a810c561caaad7d6573a1e8ff06fe4b23">transformation</a>()</div>
|
|
<div class="line"><a name="l00242"></a><span class="lineno"> 242</span>  << <span class="stringliteral">", s:"</span> << map.<a class="code" href="class_qwt_scale_map.html#a64b15c76aa63a521447215018c75bf37">s1</a>() << <span class="stringliteral">"->"</span> << map.<a class="code" href="class_qwt_scale_map.html#a7c8c969923c15880c4620be1d814ef18">s2</a>()</div>
|
|
<div class="line"><a name="l00243"></a><span class="lineno"> 243</span>  << <span class="stringliteral">", p:"</span> << map.<a class="code" href="class_qwt_scale_map.html#a4d03a9fea3bd9b66a0b882b8b1a58f4b">p1</a>() << <span class="stringliteral">"->"</span> << map.<a class="code" href="class_qwt_scale_map.html#acd78b70fae83854a148fa3d08b13c261">p2</a>()</div>
|
|
<div class="line"><a name="l00244"></a><span class="lineno"> 244</span>  << <span class="stringliteral">")"</span>;</div>
|
|
<div class="line"><a name="l00245"></a><span class="lineno"> 245</span>  </div>
|
|
<div class="line"><a name="l00246"></a><span class="lineno"> 246</span>  <span class="keywordflow">return</span> debug.space();</div>
|
|
<div class="line"><a name="l00247"></a><span class="lineno"> 247</span> }</div>
|
|
<div class="line"><a name="l00248"></a><span class="lineno"> 248</span>  </div>
|
|
<div class="line"><a name="l00249"></a><span class="lineno"> 249</span> <span class="preprocessor">#endif</span></div>
|
|
<div class="ttc" id="aclass_qwt_scale_map_html"><div class="ttname"><a href="class_qwt_scale_map.html">QwtScaleMap</a></div><div class="ttdoc">A scale map.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__scale__map_8h_source.html#l00026">qwt_scale_map.h:27</a></div></div>
|
|
<div class="ttc" id="aclass_qwt_scale_map_html_a3f55ef14f8874e626380fcf92b096791"><div class="ttname"><a href="class_qwt_scale_map.html#a3f55ef14f8874e626380fcf92b096791">QwtScaleMap::operator=</a></div><div class="ttdeci">QwtScaleMap & operator=(const QwtScaleMap &)</div><div class="ttdoc">Assignment operator.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__scale__map_8cpp_source.html#l00055">qwt_scale_map.cpp:55</a></div></div>
|
|
<div class="ttc" id="aclass_qwt_scale_map_html_a4d03a9fea3bd9b66a0b882b8b1a58f4b"><div class="ttname"><a href="class_qwt_scale_map.html#a4d03a9fea3bd9b66a0b882b8b1a58f4b">QwtScaleMap::p1</a></div><div class="ttdeci">double p1() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__scale__map_8h_source.html#l00099">qwt_scale_map.h:99</a></div></div>
|
|
<div class="ttc" id="aclass_qwt_scale_map_html_a504f1627e0e02ddac03d2ce46507b865"><div class="ttname"><a href="class_qwt_scale_map.html#a504f1627e0e02ddac03d2ce46507b865">QwtScaleMap::transform</a></div><div class="ttdeci">double transform(double s) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__scale__map_8h_source.html#l00137">qwt_scale_map.h:137</a></div></div>
|
|
<div class="ttc" id="aclass_qwt_scale_map_html_a64b15c76aa63a521447215018c75bf37"><div class="ttname"><a href="class_qwt_scale_map.html#a64b15c76aa63a521447215018c75bf37">QwtScaleMap::s1</a></div><div class="ttdeci">double s1() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__scale__map_8h_source.html#l00083">qwt_scale_map.h:83</a></div></div>
|
|
<div class="ttc" id="aclass_qwt_scale_map_html_a7c8c969923c15880c4620be1d814ef18"><div class="ttname"><a href="class_qwt_scale_map.html#a7c8c969923c15880c4620be1d814ef18">QwtScaleMap::s2</a></div><div class="ttdeci">double s2() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__scale__map_8h_source.html#l00091">qwt_scale_map.h:91</a></div></div>
|
|
<div class="ttc" id="aclass_qwt_scale_map_html_a810c561caaad7d6573a1e8ff06fe4b23"><div class="ttname"><a href="class_qwt_scale_map.html#a810c561caaad7d6573a1e8ff06fe4b23">QwtScaleMap::transformation</a></div><div class="ttdeci">const QwtTransform * transformation() const</div><div class="ttdoc">Get the transformation.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__scale__map_8cpp_source.html#l00088">qwt_scale_map.cpp:88</a></div></div>
|
|
<div class="ttc" id="aclass_qwt_scale_map_html_a9576a2e19c0be1d036fee344ab68f542"><div class="ttname"><a href="class_qwt_scale_map.html#a9576a2e19c0be1d036fee344ab68f542">QwtScaleMap::QwtScaleMap</a></div><div class="ttdeci">QwtScaleMap()</div><div class="ttdoc">Constructor.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__scale__map_8cpp_source.html#l00021">qwt_scale_map.cpp:21</a></div></div>
|
|
<div class="ttc" id="aclass_qwt_scale_map_html_a994240e446986112f196a65657dc9755"><div class="ttname"><a href="class_qwt_scale_map.html#a994240e446986112f196a65657dc9755">QwtScaleMap::setPaintInterval</a></div><div class="ttdeci">void setPaintInterval(double p1, double p2)</div><div class="ttdoc">Specify the borders of the paint device interval.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__scale__map_8cpp_source.html#l00119">qwt_scale_map.cpp:119</a></div></div>
|
|
<div class="ttc" id="aclass_qwt_scale_map_html_aaa33bc8e1aed7aa17d345053194e7094"><div class="ttname"><a href="class_qwt_scale_map.html#aaa33bc8e1aed7aa17d345053194e7094">QwtScaleMap::setScaleInterval</a></div><div class="ttdeci">void setScaleInterval(double s1, double s2)</div><div class="ttdoc">Specify the borders of the scale interval.</div><div class="ttdef"><b>Definition:</b> <a href="qwt__scale__map_8cpp_source.html#l00100">qwt_scale_map.cpp:100</a></div></div>
|
|
<div class="ttc" id="aclass_qwt_scale_map_html_ab1ee6d62addf3f9cf091d425be9ac642"><div class="ttname"><a href="class_qwt_scale_map.html#ab1ee6d62addf3f9cf091d425be9ac642">QwtScaleMap::invTransform</a></div><div class="ttdeci">double invTransform(double p) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__scale__map_8h_source.html#l00154">qwt_scale_map.h:154</a></div></div>
|
|
<div class="ttc" id="aclass_qwt_scale_map_html_acd78b70fae83854a148fa3d08b13c261"><div class="ttname"><a href="class_qwt_scale_map.html#acd78b70fae83854a148fa3d08b13c261">QwtScaleMap::p2</a></div><div class="ttdeci">double p2() const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__scale__map_8h_source.html#l00107">qwt_scale_map.h:107</a></div></div>
|
|
<div class="ttc" id="aclass_qwt_scale_map_html_ad8e971dd4be07801f0adc99549153718"><div class="ttname"><a href="class_qwt_scale_map.html#ad8e971dd4be07801f0adc99549153718">QwtScaleMap::setTransformation</a></div><div class="ttdeci">void setTransformation(QwtTransform *)</div><div class="ttdef"><b>Definition:</b> <a href="qwt__scale__map_8cpp_source.html#l00076">qwt_scale_map.cpp:76</a></div></div>
|
|
<div class="ttc" id="aclass_qwt_scale_map_html_aecafd09423984a5e0ffa935d1b45110c"><div class="ttname"><a href="class_qwt_scale_map.html#aecafd09423984a5e0ffa935d1b45110c">QwtScaleMap::~QwtScaleMap</a></div><div class="ttdeci">~QwtScaleMap()</div><div class="ttdef"><b>Definition:</b> <a href="qwt__scale__map_8cpp_source.html#l00049">qwt_scale_map.cpp:49</a></div></div>
|
|
<div class="ttc" id="aclass_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> <a href="qwt__transform_8h_source.html#l00035">qwt_transform.h:36</a></div></div>
|
|
<div class="ttc" id="aclass_qwt_transform_html_a1093b5856cbc6cf812460535442fb130"><div class="ttname"><a href="class_qwt_transform.html#a1093b5856cbc6cf812460535442fb130">QwtTransform::transform</a></div><div class="ttdeci">virtual double transform(double value) const =0</div></div>
|
|
<div class="ttc" id="aclass_qwt_transform_html_aae011ee4205fa4391459766d88971809"><div class="ttname"><a href="class_qwt_transform.html#aae011ee4205fa4391459766d88971809">QwtTransform::copy</a></div><div class="ttdeci">virtual QwtTransform * copy() const =0</div><div class="ttdoc">Virtualized copy operation.</div></div>
|
|
<div class="ttc" id="aclass_qwt_transform_html_aef97acf17f900905f2a93cec7f61e643"><div class="ttname"><a href="class_qwt_transform.html#aef97acf17f900905f2a93cec7f61e643">QwtTransform::bounded</a></div><div class="ttdeci">virtual double bounded(double value) const</div><div class="ttdef"><b>Definition:</b> <a href="qwt__transform_8cpp_source.html#l00033">qwt_transform.cpp:33</a></div></div>
|
|
</div><!-- fragment --></div><!-- contents -->
|
|
</div><!-- doc-content -->
|
|
<!-- start footer part -->
|
|
<div id="nav-path" class="navpath"><!-- id is needed for treeview function! -->
|
|
<ul>
|
|
<li class="navelem"><a class="el" href="dir_68267d1309a1af8e8297ef4c3efbcdba.html">src</a></li><li class="navelem"><b>qwt_scale_map.cpp</b></li>
|
|
<li class="footer">Generated by <a href="https://www.doxygen.org/index.html"><img class="footer" src="doxygen.svg" width="104" height="31" alt="doxygen"/></a> 1.9.1 </li>
|
|
</ul>
|
|
</div>
|
|
</body>
|
|
</html>
|