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- <!DOCTYPE document PUBLIC "-//APACHE//DTD Documentation V1.0//EN" "../../dtd/document-v10.dtd">
-
- <document>
- <header>
- <title>AsciiArtSVGGenerator in Cocoon</title>
- <version>0.9</version>
- <type>Technical document</type>
- <authors>
- <person name="Bernhard Huber" email="huber.at.apache.org"/>
- </authors>
- <abstract>This document describes the AsciiArtSVGGenerator of Cocoon.</abstract>
- </header>
- <body>
- <s1 title="AsciiArtSVGGenerator">
- <table>
- <tr>
- <td>NAME</td><td>asciiart-svg</td>
- </tr>
- <tr>
- <td>WHAT</td><td>The <code>AsciiArtSVGGenerator</code> component is used
- to serve ascii art text as SVGserve data.
- </td>
- </tr>
- <tr>
- <td>TYPE</td><td>Generator, Sitemap Component</td>
- </tr>
- <tr>
- <!-- choose Core, the block name, or Scratchpad
- depending on where AsciiArtSVGGenerator sources live
- -->
- <td>BLOCK</td><td>Block-Mail/Scratchpad</td>
- </tr>
- <tr>
- <td>CLASS</td><td>org.apache.cocoon.generation.asciiart.AsciiArtSVGGenerator</td>
- </tr>
- <!-- uncomment folling tr iff AsciiArtSVGGenerator is deprecated -->
- <!--tr>
- <td>DEPRECATED</td><td>Cocoon 2.0, 2.1</td>
- </tr-->
- <tr>
- <td>SINCE</td><td>Cocoon 2.1</td>
- </tr>
- <tr>
- <td>CACHEABLE</td><td>yes</td>
- </tr>
- </table>
- </s1>
- <s1 title="Description">
- <p>
- The <code>AsciiArtSVGGenerator</code> reads a plain ascii text document
- and generates SVG/XML SAX events.
- </p>
- </s1>
- <s1 title="Usage">
- <p>
- The <code>AsciiArtSVGGenerator</code> can be used to serve
- figural information in a quick, and simple way.
- </p>
- <p>
- The following snippet represents an ascii art which can be served
- by <code>AsciiArtSVGGenerator</code>
- </p>
- <source><![CDATA[
- +==============+
- | Mail_Header |
- | +========+ |
- | | Body | |
- | +==+==+==+ |
- | |a |a |a | |
- | |1 |2 |3 | |
- | +==+==+==+ |
- +==============+
- ]]></source>
- <p>
- Storing this as <code>image/asciiart/mail.txt</code>, and using
- the matching snippet below, the mail ascii art can get embedded
- in your document as
- </p>
- <source><![CDATA[
- <p> Talking about mail ....</p>
- <figure alt="Mail Structure" src="image/asciiart/mail.png"/>
- ]]></source>
-
- <s2 title="Sitemap pipeline examples">
- <p>
- The snippet below matches URI of the format
- <code>image/asciiart/*.png</code>, and
- serves them from ascii art files from the directory
- <code>resources/asciiart/*.txt</code>.
- </p>
- <source><![CDATA[
- <map:match pattern="image/asciiart/*.png">
- <map:generate type="asciiart-svg"
- src="resources/asciiart/{1}.txt">
- <!-- option sitemap parameters -->
- </map:generate>
- <map:serialize type="svg2png"/>
- </map:match>
- ]]></source>
- </s2>
-
- <s2 title="Sitemap component configuration example">
- <p>
- The snippet below declares the <code>AsciiArtGenerator</code>
- in the sitmap components section.
- </p>
- <source><![CDATA[
- <map:generators...
- <map:generator name="asciiart-svg"
- src="org.apache.cocoon.generation.AsciiArtSVGGenerator"
- logger="sitemap.generator.asciiart-svg"
- />
- <!-- optional generator configuration -->
- ...
- </map:generators>
- ...
- ]]></source>
- </s2>
- <s2 title="Configuration">
- <p>
- The <code>AsciiArtGenerator</code> has no configurational options.
- </p>
- </s2>
- <s2 title="Setup">
- <p>
- Setting up the <code>AsciiArtGenerator</code> is simply specifying
- the plain ascii text source.
- </p>
- <p>
- Moreover following sitemap parameters are accepted
- </p>
- <table>
- <tr><th>Parametername</th><th>Default</th><th>Comment</th></tr>
- <tr><td>line-attribute</td><td><![CDATA[stroke:black; stroke-width:1.5]]></td>
- <td>Style of generated SVG lines</td></tr>
- <tr><td>text-attribute</td><td><![CDATA[font-size: 12; font-family:Times Roman; fill:blue;]]></td>
- <td>Style of generated SVG text</td></tr>
- <tr><td>x-grid</td><td>10</td>
- <td>X Grid size</td></tr>
- <tr><td>y-grid</td><td>12</td>
- <td>Y Grid size</td></tr>
- </table>
- </s2>
- <s2 title="Effect on Object Model and Sitemap Parameters">
- <p>
- The <code>AsciiArtGenerator</code> has no side effects on the
- objectModel, or other sitemap parameters.
- </p>
- </s2>
- </s1>
- <s1 title="Bugs/Caveats">
- <p>
- The <code>AsciiArtGenerator</code> is a quick shot, and
- does not handle all characters visually consistently.
- </p>
- </s1>
- <s1 title="History">
- <p>
- 01-05-02: initial creation
- </p>
- </s1>
- <s1 title="See also">
- <p>
- Read more information about
- <link href="http://www.w3.org/TR/SVG/">SVG</link>,
- and about
- <link href="http://cocoon.apache.org/userdocs/serializers/svg-serializer.html">SVG Serializer</link>
- family.
- </p>
- </s1>
- </body>
- </document>
-
-