2 rcs_id('$Id: Ploticus.php,v 1.8 2004-09-22 15:23:56 rurban Exp $');
4 Copyright 2004 $ThePhpWikiProgrammingTeam
6 This file is part of PhpWiki.
8 PhpWiki is free software; you can redistribute it and/or modify
9 it under the terms of the GNU General Public License as published by
10 the Free Software Foundation; either version 2 of the License, or
11 (at your option) any later version.
13 PhpWiki is distributed in the hope that it will be useful,
14 but WITHOUT ANY WARRANTY; without even the implied warranty of
15 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
16 GNU General Public License for more details.
18 You should have received a copy of the GNU General Public License
19 along with PhpWiki; if not, write to the Free Software
20 Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 * The Ploticus plugin passes all its arguments to the ploticus
25 * binary and displays the result as PNG, GIF, EPS, SVG or SWF.
26 * Ploticus is a free, GPL, non-interactive software package
27 * for producing plots, charts, and graphics from data.
28 * See http://ploticus.sourceforge.net/doc/welcome.html
30 * @Author: Reini Urban
33 * - For windows you need either a gd library with GIF support or
34 * a ploticus with PNG support. This comes only with the cygwin build.
35 * - We support only images supported by GD so far (PNG most likely).
36 * No EPS, PS, SWF, SVG or SVGZ support due to limitations in WikiPluginCached.
37 * This will be fixed soon.
40 <?plugin Ploticus device=png [ploticus options...]
41 multiline ploticus script ...
43 * or without any script: (not tested)
44 <?plugin Ploticus -prefab vbars data=myfile.dat delim=tab y=1 clickmapurl="http://mywiki.url/wiki/?pagename=@2" clickmaplabel="@3" -csmap ?>
46 * TODO: PloticusSql - create intermediate data from SQL. Similar to SqlResult, just in graphic form.
47 * For example to produce nice looking pagehit statistics or ratings statistics.
50 if (!defined("PLOTICUS_EXE"))
52 define('PLOTICUS_EXE','pl.exe');
54 define('PLOTICUS_EXE','/usr/local/bin/pl');
56 require_once "lib/WikiPluginCached.php";
58 class WikiPlugin_Ploticus
59 extends WikiPluginCached
62 * Sets plugin type to MAP if -csmap (-map or -mapdemo or -csmapdemo not supported)
63 * or HTML if the imagetype is not supported by GD (EPS, SVG, SVGZ) (not yet)
64 * or IMG_INLINE if device = png, gif or jpeg
66 function getPluginType() {
67 if (!empty($this->_args['-csmap']))
68 return PLUGIN_CACHED_MAP; // not yet tested
69 elseif (in_array($this->decideImgType($this->_args['device']),
70 array('','svg','swf','svgz','eps','ps','pdf','html')))
71 return PLUGIN_CACHED_IMG_ONDEMAND;
73 return PLUGIN_CACHED_IMG_INLINE;
78 function getDescription () {
79 return _("Ploticus image creation");
81 function managesValidators() {
84 function getVersion() {
85 return preg_replace("/[Revision: $]/", '',
88 function getDefaultArguments() {
90 'device' => 'png', // png,gif,svgz,svg,...
93 'data' => false, // <!plugin-list !> support
98 function handle_plugin_args_cruft(&$argstr, &$args) {
99 $this->source = $argstr;
102 * Sets the expire time to one day (so the image producing
103 * functions are called seldomly) or to about two minutes
104 * if a help screen is created.
106 function getExpire($dbi, $argarray, $request) {
107 if (!empty($argarray['help']))
108 return '+120'; // 2 minutes
109 return sprintf('+%d', 3*86000); // approx 3 days
113 * Sets the imagetype according to user wishes and
114 * relies on WikiPluginCached to catch illegal image
116 * (I feel unsure whether this option is reasonable in
117 * this case, because png will definitely have the
120 * @return string 'png', 'jpeg', 'gif'
122 function getImageType($dbi, $argarray, $request) {
123 return $argarray['device'];
127 * This gives an alternative text description of
130 function getAlt($dbi, $argstr, $request) {
131 return (!empty($this->_args['alt'])) ? $this->_args['alt']
132 : $this->getDescription();
136 * Returns an image containing a usage description of the plugin.
138 * TODO: -csmap pointing to the Ploticus documentation at sf.net.
139 * @return string image handle
141 function helpImage() {
142 $def = $this->defaultArguments();
143 //$other_imgtypes = $GLOBALS['PLUGIN_CACHED_IMGTYPES'];
144 //unset ($other_imgtypes[$def['imgtype']]);
146 '<?plugin Ploticus ' .
147 'device' => ' = "' . $def['device'] . "(default)|" . join('|',$GLOBALS['PLUGIN_CACHED_IMGTYPES']).'"',
148 'data' => ' <!plugin-list !>: pagelist as input',
149 'alt' => ' = "alternate text"',
150 '-csmap' => ' bool: clickable map?',
151 'help' => ' bool: displays this screen',
152 '...' => ' all further lines below the first plugin line ',
153 '' => ' and inside the tags are the ploticus script.',
157 foreach($helparr as $alignright => $alignleft) {
158 $length = max($length, strlen($alignright));
161 foreach($helparr as $alignright => $alignleft) {
162 $helptext .= substr(' '
163 . $alignright, -$length).$alignleft."\n";
165 return $this->text2img($helptext, 4, array(1, 0, 0),
166 array(255, 255, 255));
169 function withShellCommand($script) {
171 $pos = strpos($script, $findme); // uppercase?
177 function getImage($dbi, $argarray, $request) {
178 //extract($this->getArgs($argstr, $request));
179 //extract($argarray);
180 $source =& $this->source;
181 if (!empty($source)) {
182 if ($this->withShellCommand($source)) {
183 $this->_errortext .= _("shell commands not allowed in Ploticus");
186 if (is_array($argarray['data'])) { // support <!plugin-list !> pagelists
187 $src = "#proc getdata\ndata:";
189 foreach ($argarray['data'] as $data) {
192 $src .= ("\t" . join(" ", $data) . "\n");
194 $src .= ("\t" . '"' . $data . '" ' . $i++ . "\n");
199 $tempfile = $this->tempnam('Ploticus');
201 $gif = $argarray['device'];
202 $args = " -stdin -$gif -o $tempfile.$gif";
203 if (!empty($argarray['-csmap'])) {
204 $args .= " -csmap -mapfile $tempfile.map";
205 $this->_mapfile = "$tempfile.map";
207 if (!empty($argarray['-prefab'])) {
208 //TODO: check $_ENV['PLOTICUS_PREFABS'] and default directory
209 $args .= (" -prefab " . $argarray['-prefab']);
211 $code = $this->filterThroughCmd($source, PLOTICUS_EXE . "$args");
213 // return $this->error(fmt("Couldn't start commandline '%s'", $commandLine));
214 if (! file_exists("$tempfile.$gif") ) {
215 $this->_errortext .= sprintf(_("Ploticus error: Outputfile '%s' not created"), "$tempfile.$gif");
218 $ImageCreateFromFunc = "ImageCreateFrom$gif";
219 $img = $ImageCreateFromFunc( "$tempfile.$gif" );
222 return $this->error(fmt("empty source"));
226 function getMap($dbi, $argarray, $request) {
227 $img = $this->getImage($dbi, $argarray, $request);
228 return array($this->_mapfile, $img);
232 // $Log: not supported by cvs2svn $
233 // Revision 1.7 2004/09/22 13:46:26 rurban
234 // centralize upload paths.
235 // major WikiPluginCached feature enhancement:
236 // support _STATIC pages in uploads/ instead of dynamic getimg.php? subrequests.
237 // mainly for debugging, cache problems and action=pdf
239 // Revision 1.6 2004/09/07 13:26:31 rurban
240 // new WikiPluginCached option debug=static and some more sf.net defaults for VisualWiki
242 // Revision 1.5 2004/06/28 16:35:12 rurban
243 // prevent from shell commands
245 // Revision 1.4 2004/06/19 10:06:38 rurban
246 // Moved lib/plugincache-config.php to config/*.ini
247 // use PLUGIN_CACHED_* constants instead of global $CacheParams
249 // Revision 1.3 2004/06/03 09:40:57 rurban
250 // WikiPluginCache improvements
252 // Revision 1.2 2004/06/02 19:37:07 rurban
253 // extended description
255 // Revision 1.1 2004/06/02 19:12:42 rurban
256 // new Ploticus plugin
265 // c-hanging-comment-ender-p: nil
266 // indent-tabs-mode: nil