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  1. <?xml version="1.0" encoding="UTF-8" standalone="no"?>
  2. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
  3. <html xmlns="http://www.w3.org/1999/xhtml">
  4.   <head>
  5.     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
  6.     <title>3.5.┬áTwo Colors Exchange</title>
  7.     <link rel="stylesheet" href="gimp-help-plain.css" type="text/css" />
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  10.     <link rel="start" href="index.html" title="GIMP User Manual" />
  11.     <link rel="up" href="ch06s03.html" title="3.┬áColor filters" />
  12.     <link rel="prev" href="ch06s03s04.html" title="3.4.┬áAlien Map 2" />
  13.     <link rel="next" href="ch06s03s06.html" title="3.6.┬áColormap Rotation" />
  14.   </head>
  15.   <body>
  16.     <div xmlns="" class="navheader">
  17.       <table width="100%" summary="Navigation header">
  18.         <tr>
  19.           <th colspan="3" align="center" id="chaptername">3.┬áColor filters</th>
  20.         </tr>
  21.         <tr>
  22.           <td width="20%" align="left"><a accesskey="p" href="ch06s03s04.html">Prev</a>┬á</td>
  23.           <th width="60%" align="center" id="sectionname">3.5.┬áTwo Colors Exchange</th>
  24.           <td width="20%" align="right">┬á<a accesskey="n" href="ch06s03s06.html">Next</a></td>
  25.         </tr>
  26.       </table>
  27.       <hr />
  28.     </div>
  29.     <div class="sect2" lang="en" xml:lang="en">
  30.       <div class="titlepage">
  31.         <div>
  32.           <div>
  33.             <h3 class="title"><a id="plug-in-exchange"></a>3.5.┬áTwo Colors Exchange</h3>
  34.           </div>
  35.         </div>
  36.       </div>
  37.       <a id="id3473508" class="indexterm"></a>
  38.       <div class="mediaobject">
  39.         <img src="../images/filters/filters-colormap-exchange.png" />
  40.       </div>
  41.       <div class="simplesect" lang="en" xml:lang="en">
  42.         <div class="titlepage">
  43.           <div>
  44.             <div>
  45.               <h4 class="title"><a id="id3473540"></a>Overview</h4>
  46.             </div>
  47.           </div>
  48.         </div>
  49.         <p>
  50.             This filter is found in 
  51.             <span class="guimenuitem">Image>Filters/Colors/Map/<span class="accel">C</span>olor Exchange</span>
  52.           </p>
  53.         <p>
  54.             This filter replaces a color with another one.
  55.           </p>
  56.       </div>
  57.       <div class="simplesect" lang="en" xml:lang="en">
  58.         <div class="titlepage">
  59.           <div>
  60.             <div>
  61.               <h4 class="title"><a id="id3473570"></a>Options</h4>
  62.             </div>
  63.           </div>
  64.         </div>
  65.         <div class="variablelist">
  66.           <dl>
  67.             <dt>
  68.               <span class="term">Preview</span>
  69.             </dt>
  70.             <dd>
  71.               <p>
  72.             In this preview, a part of the Image is displayed. A selection smaller than preview will be 
  73.             complete in preview. A bigger one will be cut out to be adapted to the preview.
  74.           </p>
  75.               <p>
  76.             If you click inside preview, clicked pixel color will be selected and will appear as From 
  77.             Color.
  78.           </p>
  79.             </dd>
  80.           </dl>
  81.         </div>
  82.         <div class="variablelist">
  83.           <dl>
  84.             <dt>
  85.               <span class="term">From color</span>
  86.             </dt>
  87.             <dd>
  88.               <p>
  89.             In this section, you can choose the color to be used to select pixels that will be 
  90.             concerned by color exchange.
  91.           </p>
  92.               <p>
  93.             <span class="guilabel">Three sliders for RVB colors</span>: If you clicked on preview, they will be 
  94.             automatically positionned. But you can change them. Each slider acts on color intensity. 
  95.             Input boxes and arrowheads work the same. Result is interactively displayed in From
  96.             swatch box.
  97.           </p>
  98.               <p>
  99.             <span class="guilabel">Three sliders for thresholds</span>, for each color. The higher the threshold, 
  100.             the more pixels will be concerned. Result is interactively displayed in Preview.
  101.           </p>
  102.               <p>
  103.             <span class="guilabel">Lock Thesholds</span>: This option locks threshold sliders which will act all 
  104.             the same.
  105.           </p>
  106.             </dd>
  107.           </dl>
  108.         </div>
  109.         <div class="variablelist">
  110.           <dl>
  111.             <dt>
  112.               <span class="term">To color</span>
  113.             </dt>
  114.             <dd>
  115.               <p>
  116.             <span class="guilabel">Three cursors</span> allow to select the color that pixels will have. Result 
  117.             is displayed in swatch box and in preview.
  118.           </p>
  119.             </dd>
  120.           </dl>
  121.         </div>
  122.       </div>
  123.     </div>
  124.     <div class="navfooter">
  125.       <hr />
  126.       <table width="100%" summary="Navigation footer">
  127.         <tr>
  128.           <td width="40%" align="left"><a accesskey="p" href="ch06s03s04.html">Prev</a>┬á</td>
  129.           <td width="20%" align="center">
  130.             <a accesskey="u" href="ch06s03.html">Up</a>
  131.           </td>
  132.           <td width="40%" align="right">┬á<a accesskey="n" href="ch06s03s06.html">Next</a></td>
  133.         </tr>
  134.         <tr>
  135.           <td width="40%" align="left" valign="top">3.4.┬áAlien Map 2┬á</td>
  136.           <td width="20%" align="center">
  137.             <a accesskey="h" href="index.html">Home</a>
  138.           </td>
  139.           <td width="40%" align="right" valign="top">┬á3.6.┬áColormap Rotation</td>
  140.         </tr>
  141.       </table>
  142.     </div>
  143.   </body>
  144. </html>
  145.