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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">
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  4.   <head>
  5.     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
  6.     <title>11.4.¬† Invert</title>
  7.     <link rel="stylesheet" href="gimp-help-plain.css" type="text/css" />
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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="gimp-layer-desaturate.html" title="11.3.¬† Desaturate" />
  15.     <link rel="next" href="plug-in-vinvert.html" title="11.5.¬† Value Invert" />
  16.   </head>
  17.   <body>
  18.     <div class="navheader">
  19.       <table width="100%" summary="Navigation header">
  20.         <tr>
  21.           <th colspan="3" align="center">11.4.¬†
  22.     <span lang="en" xml:lang="en">Invert</span>
  23.   </th>
  24.         </tr>
  25.         <tr>
  26.           <td width="20%" align="left"><a accesskey="p" href="gimp-layer-desaturate.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-vinvert.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="gimp-layer-invert"></a>11.4.¬†
  40.     <span lang="en" xml:lang="en">Invert</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: 2336 $</td>
  53.                   <td align="left">2007-10-16</td>
  54.                   <td align="left">ude</td>
  55.                 </tr>
  56.               </table>
  57.             </div>
  58.           </div>
  59.         </div>
  60.       </div>
  61.       <a id="id2716374" class="indexterm"></a>
  62.       <a id="id2716387" class="indexterm"></a>
  63.       <p>
  64.     The <span class="guimenuitem">Invert</span> command inverts all the pixel
  65.     colors and brightness values in the current layer, as if the image were
  66.     converted into a negative. Dark areas become bright and bright areas
  67.     become dark. Hues are replaced by their complementary colors. For more
  68.     information about colors, see the Glossary entry about
  69.     <a class="link" href="glossary.html#glossary-colormodel" title="Color model">Color Model</a>.
  70.   </p>
  71.       <div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
  72.         <table border="0" summary="Note">
  73.           <tr>
  74.             <td rowspan="2" align="center" valign="top" width="25">
  75.               <img alt="[Note]" src="../images/note.png" />
  76.             </td>
  77.             <th align="left">Note</th>
  78.           </tr>
  79.           <tr>
  80.             <td align="left" valign="top">
  81.               <p>
  82.       This command only works on layers of RGB and Grayscale images. If the
  83.       current image is Indexed, the menu entry is insensitive and grayed out.
  84.     </p>
  85.             </td>
  86.           </tr>
  87.         </table>
  88.       </div>
  89.       <div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
  90.         <table border="0" summary="Warning">
  91.           <tr>
  92.             <td rowspan="2" align="center" valign="top" width="25">
  93.               <img alt="[Warning]" src="../images/warning.png" />
  94.             </td>
  95.             <th align="left">Warning</th>
  96.           </tr>
  97.           <tr>
  98.             <td align="left" valign="top">
  99.               <p>
  100.       Do not confuse this command with the
  101.       <a class="link" href="gimp-selection-invert.html" title="7.4.¬† Invert">Invert Selection</a> command.
  102.     </p>
  103.             </td>
  104.           </tr>
  105.         </table>
  106.       </div>
  107.       <div class="sect3" lang="en" xml:lang="en">
  108.         <div class="titlepage">
  109.           <div>
  110.             <div>
  111.               <h4 class="title"><a id="id2716453"></a>11.4.1.¬†
  112.       <span lang="en" xml:lang="en">Activate the Command</span>
  113.     </h4>
  114.             </div>
  115.           </div>
  116.         </div>
  117.         <div class="itemizedlist">
  118.           <ul type="disc">
  119.             <li>
  120.               <p>
  121.           You can access this command from the image menubar through
  122.           <span class="guimenu"><span class="accel">C</span>olors</span> ‚Üí <span class="guimenuitem">In<span class="accel">v</span>ert</span>.
  123.         </p>
  124.             </li>
  125.           </ul>
  126.         </div>
  127.       </div>
  128.       <div class="sect3" lang="en" xml:lang="en">
  129.         <div class="titlepage">
  130.           <div>
  131.             <div>
  132.               <h4 class="title"><a id="id2716500"></a>11.4.2.¬†
  133.       <span lang="en" xml:lang="en">Example</span>
  134.     </h4>
  135.             </div>
  136.           </div>
  137.         </div>
  138.         <div class="figure">
  139.           <a id="id2716512"></a>
  140.           <p class="title">
  141.             <b>Figure¬†15.133.¬†
  142.         <span lang="en" xml:lang="en">
  143.           Applying ‚Äú<span class="quote">Invert colors</span>‚Äù
  144.         </span>
  145.       </b>
  146.           </p>
  147.           <div class="figure-contents">
  148.             <div class="mediaobject">
  149.               <img src="../images/menus/invert-1.png" alt="Applying Invert colors" />
  150.               <div class="caption">
  151.                 <p>Original image</p>
  152.               </div>
  153.             </div>
  154.             <div class="mediaobject">
  155.               <img src="../images/menus/invert-2.png" alt="Applying Invert colors" />
  156.               <div class="caption">
  157.                 <p>After the colors were inverted</p>
  158.               </div>
  159.             </div>
  160.           </div>
  161.         </div>
  162.         <br class="figure-break" />
  163.       </div>
  164.     </div>
  165.     <div class="navfooter">
  166.       <hr />
  167.       <table width="100%" summary="Navigation footer">
  168.         <tr>
  169.           <td width="40%" align="left"><a accesskey="p" href="gimp-layer-desaturate.html"><img src="../images/prev.png" alt="Prev" /></a>¬†</td>
  170.           <td width="20%" align="center">
  171.             <a accesskey="u" href="gimp-imagewindow-menus-colors.html">
  172.               <img src="../images/up.png" alt="Up" />
  173.             </a>
  174.           </td>
  175.           <td width="40%" align="right">¬†<a accesskey="n" href="plug-in-vinvert.html"><img src="../images/next.png" alt="Next" /></a></td>
  176.         </tr>
  177.         <tr>
  178.           <td width="40%" align="left" valign="top"><a accesskey="p" href="gimp-layer-desaturate.html">11.3.¬†
  179.     <span lang="en" xml:lang="en">Desaturate</span>
  180.   </a>¬†</td>
  181.           <td width="20%" align="center">
  182.             <a accesskey="h" href="index.html">
  183.               <img src="../images/home.png" alt="Home" />
  184.             </a>
  185.           </td>
  186.           <td width="40%" align="right" valign="top">¬†<a accesskey="n" href="plug-in-vinvert.html">11.5.¬†
  187.     <span lang="en" xml:lang="en">Value Invert</span>
  188.   </a></td>
  189.         </tr>
  190.       </table>
  191.     </div>
  192.   </body>
  193. </html>
  194.