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  4.   <head>
  5.     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
  6.     <title>11.23.¬† Color Exchange</title>
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  12.     <link rel="start" href="index.html" title="GNU Image Manipulation Program" />
  13.     <link rel="up" href="gimp-imagewindow-menus-colors.html" title="11.¬† The ‚ÄúColors‚Äù Menu" />
  14.     <link rel="prev" href="plug-in-alienmap2.html" title="11.22.¬† Alien Map" />
  15.     <link rel="next" href="plug-in-color-map.html" title="11.24.¬† Color Range Mapping" />
  16.   </head>
  17.   <body>
  18.     <div class="navheader">
  19.       <table width="100%" summary="Navigation header">
  20.         <tr>
  21.           <th colspan="3" align="center">11.23.¬†
  22.     <span lang="en" xml:lang="en">Color Exchange</span>
  23.   </th>
  24.         </tr>
  25.         <tr>
  26.           <td width="20%" align="left"><a accesskey="p" href="plug-in-alienmap2.html"><img src="../images/prev.png" alt="Prev" /></a>¬†</td>
  27.           <th width="60%" align="center">11.¬†
  28.     <span lang="en" xml:lang="en">The ‚Äú<span class="quote">Colors</span>‚Äù Menu</span>
  29.   </th>
  30.           <td width="20%" align="right">¬†<a accesskey="n" href="plug-in-color-map.html"><img src="../images/next.png" alt="Next" /></a></td>
  31.         </tr>
  32.       </table>
  33.       <hr />
  34.     </div>
  35.     <div class="sect2" lang="en" xml:lang="en">
  36.       <div class="titlepage">
  37.         <div>
  38.           <div>
  39.             <h3 class="title"><a id="plug-in-exchange"></a>11.23.¬†
  40.     <span lang="en" xml:lang="en">Color Exchange</span>
  41.   </h3>
  42.           </div>
  43.           <div>
  44.             <div class="revhistory">
  45.               <table border="1" width="100%" summary="Revision history">
  46.                 <tr>
  47.                   <th align="left" valign="top" colspan="3">
  48.                     <b>Revision History</b>
  49.                   </th>
  50.                 </tr>
  51.                 <tr>
  52.                   <td align="left">Revision $Revision: 2342 $</td>
  53.                   <td align="left">2007-10-23</td>
  54.                   <td align="left">ude</td>
  55.                 </tr>
  56.               </table>
  57.             </div>
  58.           </div>
  59.         </div>
  60.       </div>
  61.       <a id="id2722625" class="indexterm"></a>
  62.       <a id="id2722639" class="indexterm"></a>
  63.       <div class="sect3" lang="en" xml:lang="en">
  64.         <div class="titlepage">
  65.           <div>
  66.             <div>
  67.               <h4 class="title"><a id="id2722648"></a>11.23.1.¬†
  68.       <span lang="en" xml:lang="en">Overview</span>
  69.     </h4>
  70.             </div>
  71.           </div>
  72.         </div>
  73.         <div class="figure">
  74.           <a id="id2722659"></a>
  75.           <p class="title">
  76.             <b>Figure¬†15.171.¬†
  77.         <span lang="en" xml:lang="en">
  78.           ‚Äú<span class="quote">Color Exchange</span>‚Äù filter example
  79.         </span>
  80.       </b>
  81.           </p>
  82.           <div class="figure-contents">
  83.             <div class="mediaobject">
  84.               <img src="../images/filters/examples/taj_orig.jpg" alt="Color Exchange filter example" />
  85.               <div class="caption">
  86.                 <p>Original image</p>
  87.               </div>
  88.             </div>
  89.             <div class="mediaobject">
  90.               <img src="../images/filters/examples/color-taj-exchange.jpg" alt="Color Exchange filter example" />
  91.               <div class="caption">
  92.                 <p>Filter applied</p>
  93.               </div>
  94.             </div>
  95.           </div>
  96.         </div>
  97.         <br class="figure-break" />
  98.         <p>This filter replaces a color with another one.</p>
  99.       </div>
  100.       <div class="sect3" lang="en" xml:lang="en">
  101.         <div class="titlepage">
  102.           <div>
  103.             <div>
  104.               <h4 class="title"><a id="id2722734"></a>11.23.2.¬†
  105.       <span lang="en" xml:lang="en">Activate the filter</span>
  106.     </h4>
  107.             </div>
  108.           </div>
  109.         </div>
  110.         <p>
  111.       This filter is found in the image window menu under
  112.       <span class="guimenu">Colors</span> ‚Üí <span class="guisubmenu">Map</span> ‚Üí <span class="guimenuitem"><span class="accel">C</span>olor Exchange</span>.
  113.     </p>
  114.       </div>
  115.       <div class="sect3" lang="en" xml:lang="en">
  116.         <div class="titlepage">
  117.           <div>
  118.             <div>
  119.               <h4 class="title"><a id="id2722780"></a>11.23.3.¬†
  120.       <span lang="en" xml:lang="en">Options</span>
  121.     </h4>
  122.             </div>
  123.           </div>
  124.         </div>
  125.         <div class="figure">
  126.           <a id="id2722790"></a>
  127.           <p class="title">
  128.             <b>Figure¬†15.172.¬†
  129.         <span lang="en" xml:lang="en">
  130.           Option of the ‚Äú<span class="quote">Two color exchange</span>‚Äù filter
  131.         </span>
  132.       </b>
  133.           </p>
  134.           <div class="figure-contents">
  135.             <div class="mediaobject">
  136.               <img src="../images/filters/options-colormap-exchange.png" alt="Option of the Two color exchange filter" />
  137.             </div>
  138.           </div>
  139.         </div>
  140.         <br class="figure-break" />
  141.         <div class="variablelist">
  142.           <dl>
  143.             <dt>
  144.               <span class="term">Preview</span>
  145.             </dt>
  146.             <dd>
  147.               <p>
  148.             In this preview, a part of the Image is displayed. A selection
  149.             smaller than preview will be complete in preview. A bigger one
  150.             will be cut out to be adapted to the preview.
  151.           </p>
  152.               <p>
  153.             If you middle-click inside preview , the clicked pixel color
  154.             will be selected and will appear as From Color.
  155.           </p>
  156.             </dd>
  157.           </dl>
  158.         </div>
  159.         <div class="variablelist">
  160.           <dl>
  161.             <dt>
  162.               <span class="term">From color</span>
  163.             </dt>
  164.             <dd>
  165.               <p>
  166.             In this section, you can choose the color to be used to select
  167.             pixels that will be concerned by color exchange.
  168.           </p>
  169.               <p>
  170.             <span class="guilabel">Three sliders for RVB colors</span>: If you
  171.             have clicked on preview, they are automatically positioned.
  172.             But you can change them. Each slider acts on color intensity.
  173.             Input boxes and arrowheads work the same. Result is
  174.             interactively displayed in the From swatch box.
  175.           </p>
  176.               <p>
  177.             <span class="guilabel">Three sliders for thresholds</span>, for each
  178.             color. The higher the threshold, the more pixels will be
  179.             concerned. Result is interactively displayed in Preview.
  180.           </p>
  181.               <p>
  182.             <span class="guilabel">Lock Thresholds</span>: This option locks threshold
  183.             sliders which will act all the same.
  184.           </p>
  185.             </dd>
  186.           </dl>
  187.         </div>
  188.         <div class="variablelist">
  189.           <dl>
  190.             <dt>
  191.               <span class="term">To color</span>
  192.             </dt>
  193.             <dd>
  194.               <p>
  195.             <span class="guilabel">Three cursors</span> allow to select the color
  196.             that pixels will have. Result is displayed in swatch box and in
  197.             preview. You can also click on the color dwell to get a color
  198.             selector.
  199.           </p>
  200.             </dd>
  201.           </dl>
  202.         </div>
  203.       </div>
  204.     </div>
  205.     <div class="navfooter">
  206.       <hr />
  207.       <table width="100%" summary="Navigation footer">
  208.         <tr>
  209.           <td width="40%" align="left"><a accesskey="p" href="plug-in-alienmap2.html"><img src="../images/prev.png" alt="Prev" /></a>¬†</td>
  210.           <td width="20%" align="center">
  211.             <a accesskey="u" href="gimp-imagewindow-menus-colors.html">
  212.               <img src="../images/up.png" alt="Up" />
  213.             </a>
  214.           </td>
  215.           <td width="40%" align="right">¬†<a accesskey="n" href="plug-in-color-map.html"><img src="../images/next.png" alt="Next" /></a></td>
  216.         </tr>
  217.         <tr>
  218.           <td width="40%" align="left" valign="top"><a accesskey="p" href="plug-in-alienmap2.html">11.22.¬†
  219.     <span lang="en" xml:lang="en">Alien Map</span>
  220.   </a>¬†</td>
  221.           <td width="20%" align="center">
  222.             <a accesskey="h" href="index.html">
  223.               <img src="../images/home.png" alt="Home" />
  224.             </a>
  225.           </td>
  226.           <td width="40%" align="right" valign="top">¬†<a accesskey="n" href="plug-in-color-map.html">11.24.¬†
  227.     <span lang="en" xml:lang="en">Color Range Mapping</span>
  228.   </a></td>
  229.         </tr>
  230.       </table>
  231.     </div>
  232.   </body>
  233. </html>
  234.