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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>15.6.¬† Chalk</title>
  7.     <link rel="stylesheet" href="gimp-help-plain.css" type="text/css" />
  8.     <link rel="stylesheet" href="gimp-help-screen.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="filters-alpha-to-logo.html" title="15.¬† Alpha to Logo Filters" />
  14.     <link rel="prev" href="script-fu-bovinated-logo-alpha.html" title="15.5.¬† Bovination" />
  15.     <link rel="next" href="script-fu-chip-away-logo-alpha.html" title="15.7.¬† Chip Away" />
  16.   </head>
  17.   <body>
  18.     <div class="navheader">
  19.       <table width="100%" summary="Navigation header">
  20.         <tr>
  21.           <th colspan="3" align="center">15.6.¬†
  22.     <span lang="en" xml:lang="en">Chalk</span>
  23.   </th>
  24.         </tr>
  25.         <tr>
  26.           <td width="20%" align="left"><a accesskey="p" href="script-fu-bovinated-logo-alpha.html"><img src="../images/prev.png" alt="Prev" /></a>¬†</td>
  27.           <th width="60%" align="center">15.¬†
  28.     <span lang="en" xml:lang="en">Alpha to Logo Filters</span>
  29.   </th>
  30.           <td width="20%" align="right">¬†<a accesskey="n" href="script-fu-chip-away-logo-alpha.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="script-fu-chalk-logo-alpha"></a>15.6.¬†
  40.     <span lang="en" xml:lang="en">Chalk</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: 2286 $</td>
  53.                   <td align="left">2007-10-11</td>
  54.                   <td align="left">ude</td>
  55.                 </tr>
  56.               </table>
  57.             </div>
  58.           </div>
  59.         </div>
  60.       </div>
  61.       <a id="id2784474" class="indexterm"></a>
  62.       <a id="id2784492" 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="id2784501"></a>15.6.1.¬†
  68.       <span lang="en" xml:lang="en">Overview</span>
  69.     </h4>
  70.             </div>
  71.           </div>
  72.         </div>
  73.         <div class="figure">
  74.           <a id="id2784512"></a>
  75.           <p class="title">
  76.             <b>Figure¬†16.302.¬†
  77.         <span lang="en" xml:lang="en">
  78.           Example for the ‚Äú<span class="quote">Chalk</span>‚Äù filter
  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="Example for the Chalk filter" />
  85.               <div class="caption">
  86.                 <p>Original image</p>
  87.               </div>
  88.             </div>
  89.             <div class="mediaobject">
  90.               <img src="../images/filters/examples/logo-taj-chalk.jpg" alt="Example for the Chalk filter" />
  91.               <div class="caption">
  92.                 <p>‚Äú<span class="quote">Chalk</span>‚Äù applied</p>
  93.               </div>
  94.             </div>
  95.           </div>
  96.         </div>
  97.         <br class="figure-break" />
  98.         <p>
  99.       This filter creates a chalk drawing effect for the active layer.
  100.     </p>
  101.         <p>
  102.       It is derived from the ‚Äú<span class="quote">Chalk</span>‚Äù script
  103.       (<span class="guimenu"><span class="accel">X</span>tns</span> ‚Üí <span class="guisubmenu"><span class="accel">L</span>ogo</span> ‚Üí <span class="guimenuitem"><span class="accel">C</span>halk</span> in the toolbox),
  104.       which creates a logo from a text of your choice, for instance:
  105.     </p>
  106.         <div class="mediaobject">
  107.           <img src="../images/filters/examples/chalk-script-fu.png" />
  108.           <div class="caption">
  109.             <p>The ‚Äú<span class="quote">Chalk</span>‚Äù Script-Fu script.</p>
  110.           </div>
  111.         </div>
  112.         <div class="warning" style="margin-left: 0.5in; margin-right: 0.5in;">
  113.           <table border="0" summary="Warning">
  114.             <tr>
  115.               <td rowspan="2" align="center" valign="top" width="25">
  116.                 <img alt="[Warning]" src="../images/warning.png" />
  117.               </td>
  118.               <th align="left">Warning</th>
  119.             </tr>
  120.             <tr>
  121.               <td align="left" valign="top">
  122.                 <p>
  123.         The image will always be resized to the active layer's size.
  124.       </p>
  125.               </td>
  126.             </tr>
  127.           </table>
  128.         </div>
  129.         <div class="itemizedlist">
  130.           <p>The ‚Äú<span class="quote">Chalk</span>‚Äù filter</p>
  131.           <ul type="disc">
  132.             <li>
  133.               <p>
  134.           applies a <a class="link" href="plug-in-gauss.html" title="2.3.¬† Gaussian Blur">Gaussian blur</a> to the
  135.           layer, <a class="link" href="plug-in-spread.html" title="3.7.¬† Spread">spreads</a> the pixels, and
  136.           <a class="link" href="plug-in-ripple.html" title="8.16.¬† Ripple">ripples</a> the layer
  137.           horizontally and vertically,
  138.         </p>
  139.             </li>
  140.             <li>
  141.               <p>
  142.           extracts edges using the <a class="link" href="plug-in-sobel.html" title="4.6.¬† Sobel">Sobel</a>
  143.           edge detect filter, and
  144.         </p>
  145.               <div class="note" style="margin-left: 0.5in; margin-right: 0.5in;">
  146.                 <table border="0" summary="Note">
  147.                   <tr>
  148.                     <td rowspan="2" align="center" valign="top" width="25">
  149.                       <img alt="[Note]" src="../images/note.png" />
  150.                     </td>
  151.                     <th align="left">Note</th>
  152.                   </tr>
  153.                   <tr>
  154.                     <td align="left" valign="top">
  155.                       <p>
  156.             Sometimes the sobel edge detect produces some garbage at the
  157.             image sides.
  158.           </p>
  159.                     </td>
  160.                   </tr>
  161.                 </table>
  162.               </div>
  163.             </li>
  164.             <li>
  165.               <p>
  166.           increases the luminosity <a class="link" href="gimp-tool-levels.html" title="5.6.¬† Levels">level</a>.
  167.         </p>
  168.             </li>
  169.           </ul>
  170.         </div>
  171.         <p>
  172.       Unfortunately you cannot change the tool and filter options. But you may
  173.       reproduce the process step by step using the methods listed above,
  174.       varying the respective options. Then you just have to add a background
  175.       layer filled with any color. That's all.
  176.     </p>
  177.       </div>
  178.       <div class="sect3" lang="en" xml:lang="en">
  179.         <div class="titlepage">
  180.           <div>
  181.             <div>
  182.               <h4 class="title"><a id="id2784761"></a>15.6.2.¬†
  183.       <span lang="en" xml:lang="en">Activate the filter</span>
  184.     </h4>
  185.             </div>
  186.           </div>
  187.         </div>
  188.         <p>
  189.       You can find this filter in the image window menu under
  190.       <span class="guimenu"><span class="accel">F</span>ilters</span> ‚Üí <span class="guisubmenu">Alpha to <span class="accel">L</span>ogo</span> ‚Üí <span class="guimenuitem"><span class="accel">C</span>halk</span>.
  191.     </p>
  192.       </div>
  193.       <div class="sect3" lang="en" xml:lang="en">
  194.         <div class="titlepage">
  195.           <div>
  196.             <div>
  197.               <h4 class="title"><a id="id2784810"></a>15.6.3.¬†
  198.       <span lang="en" xml:lang="en">Options</span>
  199.     </h4>
  200.             </div>
  201.           </div>
  202.         </div>
  203.         <div class="figure">
  204.           <a id="id2784821"></a>
  205.           <p class="title">
  206.             <b>Figure¬†16.303.¬†
  207.         <span lang="en" xml:lang="en">‚Äú<span class="quote">Chalk</span>‚Äù option</span>
  208.       </b>
  209.           </p>
  210.           <div class="figure-contents">
  211.             <div class="mediaobject">
  212.               <img src="../images/filters/options-logo-chalk.png" alt="Chalk option" />
  213.             </div>
  214.           </div>
  215.         </div>
  216.         <br class="figure-break" />
  217.         <div class="variablelist">
  218.           <dl>
  219.             <dt>
  220.               <span class="term">Background color</span>
  221.             </dt>
  222.             <dd>
  223.               <p>
  224.             The background color is the color of the
  225.             ‚Äú<span class="quote">blackboard</span>‚Äù you are drawing on with chalk, and of
  226.             course it's black. When you click on the color button, the color
  227.             selector pops up and you may select any other color.
  228.           </p>
  229.             </dd>
  230.           </dl>
  231.         </div>
  232.       </div>
  233.     </div>
  234.     <div class="navfooter">
  235.       <hr />
  236.       <table width="100%" summary="Navigation footer">
  237.         <tr>
  238.           <td width="40%" align="left"><a accesskey="p" href="script-fu-bovinated-logo-alpha.html"><img src="../images/prev.png" alt="Prev" /></a>¬†</td>
  239.           <td width="20%" align="center">
  240.             <a accesskey="u" href="filters-alpha-to-logo.html">
  241.               <img src="../images/up.png" alt="Up" />
  242.             </a>
  243.           </td>
  244.           <td width="40%" align="right">¬†<a accesskey="n" href="script-fu-chip-away-logo-alpha.html"><img src="../images/next.png" alt="Next" /></a></td>
  245.         </tr>
  246.         <tr>
  247.           <td width="40%" align="left" valign="top"><a accesskey="p" href="script-fu-bovinated-logo-alpha.html">15.5.¬†
  248.     <span lang="en" xml:lang="en">Bovination</span>
  249.   </a>¬†</td>
  250.           <td width="20%" align="center">
  251.             <a accesskey="h" href="index.html">
  252.               <img src="../images/home.png" alt="Home" />
  253.             </a>
  254.           </td>
  255.           <td width="40%" align="right" valign="top">¬†<a accesskey="n" href="script-fu-chip-away-logo-alpha.html">15.7.¬†
  256.     <span lang="en" xml:lang="en">Chip Away</span>
  257.   </a></td>
  258.         </tr>
  259.       </table>
  260.     </div>
  261.   </body>
  262. </html>
  263.