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<?php
// This file is part of Moodle - http://moodle.org/
//
// Moodle is free software: you can redistribute it and/or modify
// it under the terms of the GNU General Public License as published by
// the Free Software Foundation, either version 3 of the License, or
// (at your option) any later version.
//
// Moodle is distributed in the hope that it will be useful,
// but WITHOUT ANY WARRANTY; without even the implied warranty of
// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
// GNU General Public License for more details.
//
// You should have received a copy of the GNU General Public License
// along with Moodle. If not, see <http://www.gnu.org/licenses/>.
/**
* TeX filter settings
*
* @package filter
* @subpackage tex
* @copyright 2007 Petr Skoda {@link http://skodak.org}
* @license http://www.gnu.org/copyleft/gpl.html GNU GPL v3 or later
*/
defined('MOODLE_INTERNAL') || die;
if ($ADMIN->fulltree) {
require_once($CFG->dirroot.'/filter/tex/lib.php');
$items = array();
$items[] = new admin_setting_heading('filter_tex_latexheading', get_string('latexsettings', 'admin'), '');
$items[] = new admin_setting_configtextarea('filter_tex_latexpreamble', get_string('latexpreamble','admin'),
'', "\\usepackage[latin1]{inputenc}\n\\usepackage{amsmath}\n\\usepackage{amsfonts}\n\\RequirePackage{amsmath,amssymb,latexsym}\n");
$items[] = new admin_setting_configtext('filter_tex_latexbackground', get_string('backgroundcolour', 'admin'), '', '#FFFFFF');
$items[] = new admin_setting_configtext('filter_tex_density', get_string('density', 'admin'), '', '120', PARAM_INT);
if (PHP_OS=='Linux') {
$default_filter_tex_pathlatex = "/usr/bin/latex";
$default_filter_tex_pathdvips = "/usr/bin/dvips";
$default_filter_tex_pathconvert = "/usr/bin/convert";
} else if (PHP_OS=='Darwin') {
// most likely needs a fink install (fink.sf.net)
$default_filter_tex_pathlatex = "/sw/bin/latex";
$default_filter_tex_pathdvips = "/sw/bin/dvips";
$default_filter_tex_pathconvert = "/sw/bin/convert";
} else if (PHP_OS=='WINNT' or PHP_OS=='WIN32' or PHP_OS=='Windows') {
// note: you need Ghostscript installed (standard), miktex (standard)
// and ImageMagick (install at c:\ImageMagick)
$default_filter_tex_pathlatex = "\"c:\\texmf\\miktex\\bin\\latex.exe\" ";
$default_filter_tex_pathdvips = "\"c:\\texmf\\miktex\\bin\\dvips.exe\" ";
$default_filter_tex_pathconvert = "\"c:\\imagemagick\\convert.exe\" ";
} else {
$default_filter_tex_pathlatex = '';
$default_filter_tex_pathdvips = '';
$default_filter_tex_pathconvert = '';
}
$items[] = new admin_setting_configexecutable('filter_tex_pathlatex', get_string('pathlatex', 'admin'), '', $default_filter_tex_pathlatex);
$items[] = new admin_setting_configexecutable('filter_tex_pathdvips', get_string('pathdvips', 'admin'), '', $default_filter_tex_pathdvips);
$items[] = new admin_setting_configexecutable('filter_tex_pathconvert', get_string('pathconvert', 'admin'), '', $default_filter_tex_pathconvert);
// Even if we offer GIF and PNG formats here, in the update callback we check whether
// all the paths actually point to executables. If they don't, we force the setting
// to GIF, as that's the only format mimeTeX can produce.
$formats = array('gif' => 'GIF', 'png' => 'PNG');
$items[] = new admin_setting_configselect('filter_tex_convertformat', get_string('convertformat', 'admin'), get_string('configconvertformat', 'admin'), 'gif', $formats);
foreach ($items as $item) {
$item->set_updatedcallback('filter_tex_updatedcallback');
$settings->add($item);
}
}
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