File Source for wiki

<?php
/**
* $Header: /cvsroot/bitweaver/_bit_wiki/wiki_graph.php,v 1.3 2006/03/20 15:58:38 squareing Exp $
*
* Copyright (c) 2004 bitweaver.org
* Copyright (c) 2003 tikwiki.org
* Copyright (c) 2002-2003, Luis Argerich, Garland Foster, Eduardo Polidor, et. al.
* All Rights Reserved. See copyright.txt for details and a complete list of authors.
* Licensed under the GNU LESSER GENERAL PUBLIC LICENSE. See license.txt for details
*
* $Id: wiki_graph.php,v 1.3 2006/03/20 15:58:38 squareing Exp $
* @package wiki
* @subpackage functions
*/
/**
* required setup
*/
include_once( '../bit_setup_inc.php' );
include_once( UTIL_PKG_PATH.'GraphViz.php' );
include_once( WIKI_PKG_PATH.'BitPage.php');
if(!isset($_REQUEST['level'])) $_REQUEST['level'] = 0;
if(!isset($_REQUEST['nodesep'])) $_REQUEST['nodesep'] = ".1";
if(!isset($_REQUEST['rankdir'])) $_REQUEST['rankdir'] = "LR";
if(!isset($_REQUEST['bgcolor'])) $_REQUEST['bgcolor'] = "transparent"; # general background color #rrvvbb or 'transparent'
if(!isset($_REQUEST['size'])) $_REQUEST['size'] = ""; # "x,y" in inches
if(!isset($_REQUEST['fontsize'])) $_REQUEST['fontsize'] = "9";
if(!isset($_REQUEST['fontname'])) $_REQUEST['fontname'] = "Helvetica";
if(!isset($_REQUEST['shape'])) $_REQUEST['shape'] = "box"; # plaintext ellipse circle egg triangle box diamond trapezium parallelogram house hexagon octagon
if(!isset($_REQUEST['nodestyle'])) $_REQUEST['nodestyle'] = "filled";
if(!isset($_REQUEST['nodecolor'])) $_REQUEST['nodecolor'] = "#aeaeae";
if(!isset($_REQUEST['nodefillcolor'])) $_REQUEST['nodefillcolor'] = "#FFFFFF";
if(!isset($_REQUEST['nodewidth'])) $_REQUEST['nodewidth'] = ".1";
if(!isset($_REQUEST['nodeheight'])) $_REQUEST['nodeheight'] = ".1";
if(!isset($_REQUEST['edgecolor'])) $_REQUEST['edgecolor'] = "#999999";
if(!isset($_REQUEST['edgestyle'])) $_REQUEST['edgestyle'] = "solid";
$garg = array(
'att' => array(
'level' => $_REQUEST['level'],
'nodesep' => $_REQUEST['nodesep'],
'rankdir' => $_REQUEST['rankdir'],
'bgcolor' => $_REQUEST['bgcolor'],
'size' => $_REQUEST['size']
),
'node' => array(
'fontsize' => $_REQUEST['fontsize'],
'fontname' => $_REQUEST['fontname'],
'shape' => $_REQUEST['shape'],
'style' => $_REQUEST['nodestyle'],
'color' => $_REQUEST['nodecolor'],
'fillcolor' => $_REQUEST['nodefillcolor'],
'width' => $_REQUEST['nodewidth'],
'height' => $_REQUEST['nodeheight']
),
'edge' => array(
'color' => $_REQUEST['edgecolor'],
'style' => $_REQUEST['edgestyle']
)
);
$str = $wikilib->wiki_get_link_structure($_REQUEST['page'], $_REQUEST['level']);
$graph = new Image_GraphViz();
$wikilib->wiki_page_graph($str, $graph, $garg);
$graph->image( 'png' );
?>

Source for file wiki_graph.php