Dotclear

Changeset 1066 for plugins/latexrender


Ignore:
Timestamp:
04/22/09 22:45:18 (14 years ago)
Author:
jcdubacq
Message:

Fix licence block, reindent
Switch to LGPL 2.1, to keep in line with original licence

Location:
plugins/latexrender
Files:
10 edited

Legend:

Unmodified
Added
Removed

  • plugins/latexrender/_admin.php

    r760 r1066  
    11<?php  
    2   // ***** BEGIN LICENSE BLOCK ***** 
    3   // This file is (c) Jean-Christophe Dubacq. 
    4   // Licensed under CC-BY licence. 
    5   // 
    6   // ***** END LICENSE BLOCK ***** 
     2# -- BEGIN LICENSE BLOCK ---------------------------------- 
     3# This file is part of latexrender, a plugin for Dotclear. 
     4#  
     5# Copyright (c) 2009 Jean-Christophe Dubacq 
     6# jcdubacq1@free.fr 
     7#  
     8# Licensed under the LGPL version 2.1 license. 
     9# A copy of this license is available in LICENSE file or at 
     10# http://www.gnu.org/licenses/lgpl-2.1.html 
     11# -- END LICENSE BLOCK ------------------------------------ 
    712 
    8 $_menu['Plugins']->addItem('LaTeXrender','plugin.php?p=latexrender','index.php?pf=latexrender/icon.png', preg_match('/plugin.php\?p=latexrender/',$_SERVER['REQUEST_URI']), $core->auth->isSuperAdmin()); 
     13$_menu['Plugins']->addItem('LaTeXrender','plugin.php?p=latexrender', 
     14                           'index.php?pf=latexrender/icon.png',  
     15                           preg_match('/plugin.php\?p=latexrender/', 
     16                                      $_SERVER['REQUEST_URI']), 
     17                           $core->auth->isSuperAdmin()); 
    918?> 

  • plugins/latexrender/_define.php

    r1043 r1066  
    11<?php 
    2 # ***** BEGIN LICENSE BLOCK ***** 
    3 # This file is (c) Jean-Christophe Dubacq. 
    4 # Licensed under CC-BY licence. 
    5 # 
    6 # ***** END LICENSE BLOCK ***** 
     2# -- BEGIN LICENSE BLOCK ---------------------------------- 
     3# This file is part of latexrender, a plugin for Dotclear. 
     4#  
     5# Copyright (c) 2009 Jean-Christophe Dubacq 
     6# jcdubacq1@free.fr 
     7#  
     8# Licensed under the LGPL version 2.1 license. 
     9# A copy of this license is available in LICENSE file or at 
     10# http://www.gnu.org/licenses/lgpl-2.1.html 
     11# -- END LICENSE BLOCK ------------------------------------ 
    712 
    813$this->registerModule( 
    9         /* Name */                      "LatexRender", 
    10         /* Description*/                "Allows rendering of some blocks by LaTeX", 
    11         /* Author */                    "Jean-Christophe Dubacq", 
    12         /* Version */                   '0.9', 
    13         /* Permissions */               'usage,contentadmin' 
    14 ); 
     14                      'LatexRender', /* Name */ 
     15                      'Allows rendering of some blocks by LaTeX',/*Description*/ 
     16                      'Jean-Christophe Dubacq', /* Author */ 
     17                      '0.9.1', /* Version */ 
     18                      'usage,contentadmin' /* Permissions */ 
     19                      ); 
    1520?> 

  • plugins/latexrender/_prepend.php

    r760 r1066  
    11<?php  
    2   // ***** BEGIN LICENSE BLOCK ***** 
    3   // This file is (c) Jean-Christophe Dubacq. 
    4   // Licensed under CC-BY licence. 
    5   // 
    6   // ***** END LICENSE BLOCK ***** 
     2# -- BEGIN LICENSE BLOCK ---------------------------------- 
     3# This file is part of latexrender, a plugin for Dotclear. 
     4#  
     5# Copyright (c) 2009 Jean-Christophe Dubacq 
     6# jcdubacq1@free.fr 
     7#  
     8# Licensed under the LGPL version 2.1 license. 
     9# A copy of this license is available in LICENSE file or at 
     10# http://www.gnu.org/licenses/lgpl-2.1.html 
     11# -- END LICENSE BLOCK ------------------------------------ 
    712 
    813$core->addBehavior('initStacker', 

  • plugins/latexrender/_public.php

    r760 r1066  
    11<?php 
    2   // ***** BEGIN LICENSE BLOCK ***** 
    3   // This file is (c) Jean-Christophe Dubacq. 
    4   // Licensed under CC-BY licence. 
    5   // 
    6   // ***** END LICENSE BLOCK ***** 
     2# -- BEGIN LICENSE BLOCK ---------------------------------- 
     3# This file is part of latexrender, a plugin for Dotclear. 
     4#  
     5# Copyright (c) 2009 Jean-Christophe Dubacq 
     6# jcdubacq1@free.fr 
     7#  
     8# Licensed under the LGPL version 2.1 license. 
     9# A copy of this license is available in LICENSE file or at 
     10# http://www.gnu.org/licenses/lgpl-2.1.html 
     11# -- END LICENSE BLOCK ------------------------------------ 
    712 
    813include_once(dirname(__FILE__).'/class.latexrender.php'); 

  • plugins/latexrender/class.latexrender.php

    r1043 r1066  
    11<?php 
    2   /** 
    3    * LaTeX Rendering Class 
    4    * Copyright (C) 2003  Benjamin Zeiss <zeiss@math.uni-goettingen.de> 
    5    * Modifications by Jean-Christophe Dubacq <jcdubacq1@free.fr> 
    6    * 
    7    * This library is free software; you can redistribute it and/or 
    8    * modify it under the terms of the GNU Lesser General Public 
    9    * License as published by the Free Software Foundation; either 
    10    * version 2.1 of the License, or (at your option) any later version. 
    11    * 
    12    * This library is distributed in the hope that it will be useful, 
    13    * but WITHOUT ANY WARRANTY; without even the implied warranty of 
    14    * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU 
    15    * Lesser General Public License for more details. 
    16    * 
    17    * You should have received a copy of the GNU Lesser General Public 
    18    * License along with this library; if not, write to the Free Software 
    19    * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA 
    20    * -------------------------------------------------------------------- 
    21    * @author Benjamin Zeiss <zeiss@math.uni-goettingen.de> 
    22    * @version v0.8.9 
    23    * @package latexrender 
    24    * 
    25    * This version includes Mike Boyle's modifications to allow vertical 
    26    * offset of LaTeX formulae 
    27    * This version includes Jean-Christophe Dubacq's modifications to allow 
    28    * better offset of LaTeX formulae 
    29    * This version includes Jean-Christophe Dubacq's simplifications to better 
    30    * fit Dotclear 2 
    31    */ 
     2# -- BEGIN LICENSE BLOCK ---------------------------------- 
     3# This file is part of latexrender, a plugin for Dotclear. 
     4#  
     5# Copyright (c) 2003 Benjamin Zeiss <zeiss@math.uni-goettingen.de> 
     6# Modifications 2006 Mike Boyle 
     7# Modifications 2008 Jean-Christophe Dubacq <jcdubacq1@free.fr> 
     8#  
     9# Licensed under the LGPL version 2.1 license. 
     10# A copy of this license is available in LICENSE file or at 
     11# http://www.gnu.org/licenses/lgpl-2.1.html 
     12# -- END LICENSE BLOCK ------------------------------------ 
     13# This version includes Mike Boyle's modifications to allow vertical 
     14# offset of LaTeX formulae 
     15# This version includes Jean-Christophe Dubacq's modifications to allow 
     16# better offset of LaTeX formulae 
     17# This version includes Jean-Christophe Dubacq's simplifications to better 
     18# fit Dotclear 2 
    3219 
    3320class LatexRender { 
    34   var $_picture_path; 
    35   var $_picture_path_httpd; 
    36   var $_tmp_dir; 
    37   var $_latex_path = '/usr/bin/latex'; 
    38   var $_dvips_path = '/usr/bin/dvips'; 
    39   var $_convert_path = '/usr/bin/convert'; 
    40   var $_identify_path='/usr/bin/identify'; 
    41   var $_formula_density = 120; 
    42   var $_xsize_limit = 500; 
    43   var $_ysize_limit = 500; 
    44   var $_string_length_limit = 500; 
    45   var $_font_size = 10; 
    46   var $_latexclass = 'article'; 
    47   var $_tmp_filename; 
    48   var $_latex_tags_blacklist =  
    49     array( 
    50        'include','def','command','loop','repeat','open','toks','output', 
    51        'input','catcode','name','^^', 
    52        '\every','\errhelp','\errorstopmode','\scrollmode','\nonstopmode', 
    53        '\batchmode','\read','\write','csname','\newhelp','\uppercase', 
    54        '\lowercase','\relax','\aftergroup', 
    55        '\afterassignment','\expandafter','\noexpand','\special' 
    56        ); 
    57   var $_errorcode; 
    58   var $_errorextra; 
    59   var $_wronginit=false; 
    60   var $_initerrorcode; 
    61   var $_initerrorextra; 
     21    var $_picture_path; 
     22    var $_picture_path_httpd; 
     23    var $_tmp_dir; 
     24    var $_latex_path = '/usr/bin/latex'; 
     25    var $_dvips_path = '/usr/bin/dvips'; 
     26    var $_convert_path = '/usr/bin/convert'; 
     27    var $_identify_path='/usr/bin/identify'; 
     28    var $_formula_density = 120; 
     29    var $_xsize_limit = 500; 
     30    var $_ysize_limit = 500; 
     31    var $_string_length_limit = 500; 
     32    var $_font_size = 10; 
     33    var $_latexclass = 'article'; 
     34    var $_tmp_filename; 
     35    var $_latex_tags_blacklist =  
     36        array( 
     37              'include','def','command','loop','repeat','open','toks','output', 
     38              'input','catcode','name','^^', 
     39              '\every','\errhelp','\errorstopmode','\scrollmode','\nonstopmode', 
     40              '\batchmode','\read','\write','csname','\newhelp','\uppercase', 
     41              '\lowercase','\relax','\aftergroup', 
     42              '\afterassignment','\expandafter','\noexpand','\special' 
     43              ); 
     44    var $_errorcode; 
     45    var $_errorextra; 
     46    var $_wronginit=false; 
     47    var $_initerrorcode; 
     48    var $_initerrorextra; 
    6249   
    63   /** 
    64    * Initializes the class 
    65    * 
    66    * @param object core object 
    67    */ 
    68   function LatexRender($core) { 
    69     $options=LatexRender::getConfig(); 
    70     $this->_formula_density = $options['formuladensity']; 
    71     $this->_method = $options['method']; 
    72     $this->_latexclass = $options['latexclass']; 
    73     $this->_font_size = $options['fontsize']; 
    74     $this->_string_length_limit = $options['stringlengthlimit']; 
    75     $this->_xsize_limit = $options['xsizelimit']; 
    76     $this->_ysize_limit = $options['ysizelimit']; 
    77     $this->_latex_path = $options['latexpath']; 
    78     $this->_dvips_path = $options['dvipspath']; 
    79     $this->_convert_path = $options['convertpath']; 
    80     $this->_identify_path = $options['identifypath']; 
    81     $latexrender_path_http = $core->blog->settings->public_url.'/latexrender/'; 
    82     if (strncmp($core->blog->settings->public_path,'/',1)==0) { 
    83         $latexrender_path = $core->blog->settings->public_path.'/latexrender/'; 
    84     } else { 
    85         $latexrender_path = dirname(__FILE__).'/../../'. 
    86       $core->blog->settings->public_path.'/latexrender/'; 
    87     } 
    88     $this->_picture_path = $latexrender_path.'pictures'; 
    89     if (defined('DC_CONTEXT_ADMIN')) { 
    90       $url=$core->blog->url; 
    91       if (substr($latexrender_path_http,0,1) == '/') { 
    92      $url=preg_replace('|(^[a-z]{3,}://.*?)(/.*$)|','$1',$core->blog->url); 
    93       } 
    94       $this->_picture_path_httpd = $url. 
    95      $latexrender_path_http.'pictures'; 
    96     } else { 
    97       $this->_picture_path_httpd = $latexrender_path_http.'pictures'; 
    98     } 
    99     $this->_tmp_dir = $latexrender_path.'tmp'; 
    100     files::makeDir($this->_picture_path,true); 
    101     files::makeDir($this->_tmp_dir,false); 
    102     $this->_tmp_filename = md5(rand()); 
    103     foreach (array($this->_latex_path,$this->_dvips_path, 
    104              $this->_convert_path,$this->_identify_path) as $j) { 
    105       if (!is_file($j)) { 
    106      $this->_initerrorcode = 'executable not found'; 
    107      $this->_initerrorextra = $j; 
    108      $this->_wronginit=true; 
    109       } 
    110     } 
     50    /** 
     51     * Initializes the class 
     52     * 
     53     * @param object core object 
     54     */ 
     55    function LatexRender($core) { 
     56        $options=LatexRender::getConfig(); 
     57        $this->_formula_density = $options['formuladensity']; 
     58        $this->_method = $options['method']; 
     59        $this->_latexclass = $options['latexclass']; 
     60        $this->_font_size = $options['fontsize']; 
     61        $this->_string_length_limit = $options['stringlengthlimit']; 
     62        $this->_xsize_limit = $options['xsizelimit']; 
     63        $this->_ysize_limit = $options['ysizelimit']; 
     64        $this->_latex_path = $options['latexpath']; 
     65        $this->_dvips_path = $options['dvipspath']; 
     66        $this->_convert_path = $options['convertpath']; 
     67        $this->_identify_path = $options['identifypath']; 
     68        $latexrender_path_http = $core->blog->settings->public_url.'/latexrender/'; 
     69        if (strncmp($core->blog->settings->public_path,'/',1)==0) { 
     70            $latexrender_path = $core->blog->settings->public_path.'/latexrender/'; 
     71        } else { 
     72            $latexrender_path = dirname(__FILE__).'/../../'. 
     73                $core->blog->settings->public_path.'/latexrender/'; 
     74        } 
     75        $this->_picture_path = $latexrender_path.'pictures'; 
     76        if (defined('DC_CONTEXT_ADMIN')) { 
     77            $url=$core->blog->url; 
     78            if (substr($latexrender_path_http,0,1) == '/') { 
     79                $url=preg_replace('|(^[a-z]{3,}://.*?)(/.*$)|','$1',$core->blog->url); 
     80            } 
     81            $this->_picture_path_httpd = $url. 
     82                $latexrender_path_http.'pictures'; 
     83        } else { 
     84            $this->_picture_path_httpd = $latexrender_path_http.'pictures'; 
     85        } 
     86        $this->_tmp_dir = $latexrender_path.'tmp'; 
     87        files::makeDir($this->_picture_path,true); 
     88        files::makeDir($this->_tmp_dir,false); 
     89        $this->_tmp_filename = md5(rand()); 
     90        foreach (array($this->_latex_path,$this->_dvips_path, 
     91                       $this->_convert_path,$this->_identify_path) as $j) { 
     92            if (!is_file($j)) { 
     93                $this->_initerrorcode = 'executable not found'; 
     94                $this->_initerrorextra = $j; 
     95                $this->_wronginit=true; 
     96            } 
     97        } 
     98    } 
     99 
     100    // =================== 
     101    // public functions 
     102    // =================== 
     103 
     104    public static function defaultConfig() { 
     105        $base=array( 
     106                    'xsizelimit' => '500', 
     107                    'ysizelimit' => '500', 
     108                    'stringlengthlimit' => '500', 
     109                    'formuladensity' => '120', 
     110                    'latexclass' => 'article', 
     111                    'fontsize' => '10', 
     112                    'method' => 'old' 
     113                    ); 
     114        $commands=array('latex','dvips','convert','identify'); 
     115        foreach ($commands as $i) { 
     116            $base[$i.'path']='/usr/bin/'.$i; 
     117        } 
     118 
     119        return $base; 
     120    } 
     121    public static function getConfig() { 
     122        global $core; 
     123        $base = LatexRender::defaultConfig(); 
     124        if ($core->blog->settings->get('latexrender_options',true) === null) { 
     125            // First appearance of options combo on any blog 
     126            $core->blog->settings->setNameSpace('latexrender'); 
     127            $core->blog->settings->put('latexrender_options', 
     128                                       '','string', 
     129                                       'LatexRender options',true,true); 
     130        } 
     131     
     132        $user = $core->blog->settings->latexrender_options; 
     133        if ($user === null) { 
     134            $user = $base; 
     135        } else { 
     136            $user = @unserialize($user); 
     137            if (!is_array($user)) { 
     138                $user = array(); 
     139            } 
     140            $user = array_merge($base,$user);  
     141        } 
     142        return $user; 
     143    } 
     144    public static function storeConfig($config,$oldconfig=null) { 
     145        global $core; 
     146        $fixed_options=array(); 
     147        $base = LatexRender::defaultConfig(); 
     148        foreach ($config as $name => $value) { 
     149            if ((!isset($base[$name])) || 
     150                ($base[$name] != $value)) { 
     151                $fixed_options[$name]=$value; 
     152            } 
     153        } 
     154        if ($oldconfig) { 
     155            foreach ($config as $name => $value) { 
     156                if ((!isset($oldconfig[$name])) || 
     157                    ($oldconfig[$name] != $value)) { 
     158                    $fixed_options[$name]=$value; 
     159                } 
     160            } 
     161 
     162        } 
     163        if (count($fixed_options)) { 
     164            $core->blog->settings->setNameSpace('latexrender'); 
     165            $core->blog->settings->put('latexrender_options', 
     166                                       serialize($fixed_options)); 
     167        } 
     168    } 
     169 
     170    /** 
     171     * Returns the last error code 
     172     * 
     173     */ 
     174    public function getError() { 
     175        return(__($this->_errorcode).' {'.$this->_errorextra.'}'); 
     176    } 
     177 
     178    /** 
     179     * Tries to match the LaTeX Formula given as argument against the 
     180     * formula cache. If the picture has not been rendered before, it'll 
     181     * try to render the formula and drop it in the picture cache directory. 
     182     * 
     183     * @param string formula in LaTeX format 
     184     * @returns the webserver based URL to a picture which contains the 
     185     * requested LaTeX formula. If anything fails, the resultvalue is false. 
     186     */ 
     187    public function getFormulaHTML($latex_formula,$color='000000',$force=false) { 
     188        $aurl=$this->getFormulaURL($latex_formula,$color,$force); 
     189        $url = $aurl[0]; 
     190        $depth=$aurl[1]; 
     191        if ($depth) { 
     192            $style_css = ' style="vertical-align:-'.$depth.';"'; 
     193        } 
     194        $alt_latex_formula = htmlentities($latex_formula, ENT_QUOTES); 
     195        $alt_latex_formula = str_replace("\r",'&#13;',$alt_latex_formula); 
     196        $alt_latex_formula = str_replace("\n",'&#10;',$alt_latex_formula); 
     197        if ($url) { 
     198            $html='<img class="latex" src="'.$url.'" title="'.$alt_latex_formula.'" alt="'.$alt_latex_formula.'" '.$style_css.' />'; 
     199        } else { 
     200            $html='<strong>[Unparsable formula ('.$this->getError().'): '.$alt_latex_formula.']</strong>'; 
     201        } 
     202        return $html; 
     203    } 
     204     
     205    /** 
     206     * Tries to match the LaTeX Formula given as argument against the 
     207     * formula cache. If the picture has not been rendered before, it'll 
     208     * try to render the formula and drop it in the picture cache directory. 
     209     * 
     210     * @param string formula in LaTeX format 
     211     * @returns the webserver based URL to a picture which contains the 
     212     * requested LaTeX formula. If anything fails, the resultvalue is false. 
     213     */ 
     214    public function getFormulaURL($latex_formula,$color,$force) { 
     215        // circumvent certain security functions of web-software which 
     216        // is pretty pointless right here 
     217        if ($this->_wronginit) { 
     218            $this->_errorcode=$this->_initerrorcode; 
     219            $this->_errorextra=$this->_initerrorextra; 
     220            return array(false,0); 
     221        } else { 
     222            $this->_errorcode=''; 
     223            $this->_errorextra='';  
     224        } 
     225        $latex_formula = preg_replace('/&gt;/i', '>', $latex_formula); 
     226        $latex_formula = preg_replace('/&lt;/i', '<', $latex_formula); 
     227        $formula_hash = md5($latex_formula); 
     228        $filename = $formula_hash; 
     229        if ($color!='000000') { 
     230            $filename=$color.'X'.$filename.'.'; 
     231        } else { 
     232            $filename=$filename.'.'; 
     233        } 
     234        $full_path_filename = $this->_picture_path.'/'.$filename.'png'; 
     235        $full_path_filename_depth = $this->_picture_path.'/'.$filename.'depth'; 
     236        if ($force) { 
     237            if (is_file($full_path_filename)) { 
     238                unlink($full_path_filename); 
     239            } 
     240            if (is_file($full_path_filename_depth)) { 
     241                unlink($full_path_filename_depth); 
     242            } 
     243        } 
     244        if (!is_file($full_path_filename) || $force) { 
     245            // security filter: reject too long formulas 
     246            if (strlen($latex_formula) > $this->_string_length_limit) { 
     247                $this->_errorcode = 'formula too long'; 
     248                $this->_errorextra = strlen($latex_formula).'>'.$this->_string_length_limit; 
     249                return array(false,0); 
     250            } 
     251      
     252            // security filter: try to match against LaTeX-Tags Blacklist 
     253            for ($i=0;$i<sizeof($this->_latex_tags_blacklist);$i++) { 
     254                if (stristr($latex_formula,$this->_latex_tags_blacklist[$i])) { 
     255                    $this->_errorcode = 'blacklisted TeX operator'; 
     256                    $this->_errorextra = $this->_latex_tags_blacklist[$i]; 
     257                    return array(false,0); 
     258                } 
     259            } 
     260      
     261            // security checks assume correct formula, let's render it 
     262            if (!($this->renderLatex($latex_formula,$color,$this->_picture_path.'/'.$filename))) { 
     263                // errorcode and errorextra should already be filled-in 
     264                return array(false,0); 
     265            } 
     266            if (!is_file($full_path_filename)) { 
     267                $this->_errorcode = 'file not moved correctly'; 
     268                $this->_errorextra = $full_path_filename; 
     269                return array(false,0); 
     270            } 
     271        } 
     272        if (is_file($full_path_filename_depth)) { 
     273            $depth=file_get_contents($full_path_filename_depth); 
     274            $depth=substr($depth,0,-1); 
     275        } else { 
     276            $depth='0pt'; 
     277        } 
     278        return array($this->_picture_path_httpd.'/'.$filename.'png', 
     279                     $depth 
     280                     ); 
     281    } 
     282    public function searchCache($clean=0) { 
     283        $count=0; 
     284        $dp=opendir($this->_picture_path); 
     285        while ($file=readdir($dp)) { 
     286            if ($file != '.' && $file != '..') { 
     287                $count++; 
     288                if ($clean) { unlink($this->_picture_path.'/'.$file); } 
     289            } 
     290        } 
     291        closedir($dp); 
     292        return $count; 
     293    } 
     294   
     295    // ==================== 
     296    // private functions 
     297    // ==================== 
     298       
     299    /** 
     300     * wraps a minimalistic LaTeX document around the formula and returns 
     301     * a string containing the whole document as string. Customize if you 
     302     * want other fonts for example. 
     303     * 
     304     * @param string formula in LaTeX format 
     305     * @returns minimalistic LaTeX document containing the given formula 
     306     */ 
     307    private function wrap_formula($latex_formula) { 
     308        $string  = '\documentclass['.$this->_font_size.'pt]{'.$this->_latexclass."}\n"; 
     309        $string .= "\\usepackage[latin1]{inputenc}\n"; 
     310        $string .= "\\usepackage{amsmath}\n"; 
     311        $string .= "\\usepackage{amsfonts}\n"; 
     312        $string .= "\\usepackage{amssymb}\n"; 
     313        $string .= "\\pagestyle{empty}\n"; 
     314        $string .= "\\newsavebox{\\formulabox}\n"; 
     315        $string .= "\\newlength{\\formulawidth}\n"; 
     316        $string .= "\\newlength{\\formulaheight}\n"; 
     317        $string .= "\\newlength{\\formuladepth}\n"; 
     318        $string .= "\\setlength{\\topskip}{0pt}\n"; 
     319        $string .= "\\setlength{\\parindent}{0pt}\n"; 
     320        $string .= "\\setlength{\\abovedisplayskip}{0pt}\n"; 
     321        $string .= "\\setlength{\\belowdisplayskip}{0pt}\n"; 
     322        $string .= "\\begin{lrbox}{\\formulabox}\n"; 
     323        $string .= $latex_formula."\n"; 
     324        $string .= "\\end{lrbox}\n"; 
     325        $string .= "\\settowidth {\\formulawidth}  {\\usebox{\\formulabox}}\n"; 
     326        $string .= "\\settoheight{\\formulaheight} {\\usebox{\\formulabox}}\n"; 
     327        $string .= "\\settodepth {\\formuladepth}  {\\usebox{\\formulabox}}\n"; 
     328        $string .= "\\newwrite\\foo\n"; 
     329        $string .= "\\immediate\\openout\\foo=\\jobname.depth\n"; 
     330        $string .= "    \\setlength{\\formuladepth}{1.25\\formuladepth}\n"; 
     331        $string .= "    \\addtolength{\\formuladepth}{0.5pt}\n"; 
     332        $string .= "    \\immediate\\write\\foo{\\the\\formuladepth}\n"; 
     333        $string .= "\\closeout\\foo\n"; 
     334        $string .= "\\begin{document}\n"; 
     335        $string .= "\\usebox{\\formulabox}\n"; 
     336        $string .= "\\end{document}\n"; 
     337 
     338        return $string; 
     339    } 
     340       
     341    /** 
     342     * returns the dimensions of a picture file using 'identify' of the 
     343     * imagemagick tools. The resulting array can be adressed with either 
     344     * $dim[0] / $dim[1] or $dim['x'] / $dim['y'] 
     345     * 
     346     * @param string path to a picture 
     347     * @returns array containing the picture dimensions 
     348     */ 
     349    private function getDimensions($filename) { 
     350        $output=exec($this->_identify_path.' '.$filename); 
     351        $result=explode(' ',$output); 
     352        $dim=explode('x',$result[2]); 
     353        $dim['x'] = $dim[0]; 
     354        $dim['y'] = $dim[1]; 
     355      
     356        return $dim; 
     357    } 
     358       
     359    /** 
     360     * Renders a LaTeX formula by the using the following method: 
     361     *  - write the formula into a wrapped tex-file in a temporary directory 
     362     *    and change to it 
     363     *  - Create a DVI file using latex (tetex) 
     364     *  - Convert DVI file to Postscript (PS) using dvips (tetex) 
     365     *  - convert, trim and add transparancy by using 'convert' from the 
     366     *    imagemagick package. 
     367     *  - Save the resulting image to the picture cache directory using an 
     368     *    md5 hash as filename. Already rendered formulas can be found 
     369     *    directly this way. 
     370     * 
     371     * @param string LaTeX formula 
     372     * @returns true if the picture has been successfully saved to the picture 
     373     *          cache directory 
     374     */ 
     375    function renderLatex($latex_formula,$color,$filenamenoext) { 
     376        $colorstring='#'.$color; 
     377        $latex_document = $this->wrap_formula($latex_formula); 
     378        $current_dir = getcwd(); 
     379        chdir($this->_tmp_dir); 
     380        // create temporary latex file 
     381        $fp = fopen($this->_tmp_dir.'/'.$this->_tmp_filename.'.tex','w'); 
     382        fputs($fp,$latex_document); 
     383        fclose($fp); 
     384      
     385        // create temporary dvi file 
     386        $command = $this->_latex_path.' --interaction=nonstopmode '.$this->_tmp_filename.'.tex'; 
     387        exec($command,$output,$status_code); 
     388        if ($status_code) { 
     389            $this->cleanTemporaryDirectory(); 
     390            chdir($current_dir); 
     391            $this->_errorcode = 'compilation failed'; 
     392            $this->_errorextra = implode(' ',$output); 
     393            return false; 
     394        } 
     395        unset($output); 
     396 
     397        // convert dvi file to postscript using dvips 
     398        $command = $this->_dvips_path.' -E '.$this->_tmp_filename.'.dvi -o '.$this->_tmp_filename.'.ps'; 
     399        exec($command,$output,$status_code); 
     400        if ($status_code) { 
     401            $this->cleanTemporaryDirectory(); 
     402            chdir($current_dir); 
     403            $this->_errorcode = 'compilation failed'; 
     404            $this->_errorextra = $command; 
     405            return false; 
     406        } 
     407 
     408        // imagemagick convert ps to image and trim picture 
     409        // test whether the old or new method should be used 
     410        unset($output); 
     411        if ($this->_method == 'new') { 
     412            $command = $this->_convert_path. 
     413                ' -channel RGBA'. 
     414                ' -density '.$this->_formula_density. 
     415                ' -trim '.$this->_tmp_filename.'.ps '. 
     416                "-fill '".$colorstring."' -colorize 100,100,100  ". 
     417                $this->_tmp_filename.'.png'; 
     418        } else { 
     419            $command = $this->_convert_path. 
     420                ' -density '.$this->_formula_density. 
     421                ' -trim -transparent \"#FFFFFF\" '.$this->_tmp_filename.'.ps '. 
     422                $this->_tmp_filename.'.png'; 
     423        } 
     424        $status_code = exec($command); 
     425        exec($command,$output,$status_code); 
     426        if ($status_code) { 
     427            $this->cleanTemporaryDirectory(); 
     428            chdir($current_dir); 
     429            $this->_errorcode = 'compilation failed'; 
     430            $this->_errorextra = $command.' -> '.implode(' ',$output); 
     431            return false; 
     432        } 
     433 
     434        // test picture for correct dimensions 
     435        $dim = $this->getDimensions($this->_tmp_filename.'.png'); 
     436 
     437        if ( ($dim['x'] > $this->_xsize_limit) or ($dim['y'] > $this->_ysize_limit)) { 
     438            $this->cleanTemporaryDirectory(); 
     439            chdir($current_dir); 
     440            $this->_errorcode = 'image too large'; 
     441            $this->_errorextra = $dim['x'].'x'.$dim['y'].'>>'. 
     442                $this->_xsize_limit.'x'.$this->_ysize_limit; 
     443            return false; 
     444        } 
     445 
     446        // copy temporary formula file to cached formula directory 
     447        $latex_hash = md5($latex_formula); 
     448        // offset: change file name to include depth information 
     449        $depthfile = $this->_tmp_filename.'.depth'; 
     450        if ($color != '000000') { 
     451            $latex_hash=$color.'X'.$latex_hash; 
     452        } 
     453      
     454        $status_code = (copy($this->_tmp_filename.'.png',$filenamenoext.'png')); 
     455        if (!$status_code) { 
     456            chdir($current_dir); 
     457            $this->cleanTemporaryDirectory(); 
     458            $this->_errorcode = 'Could not copy file'; 
     459            $this->_errorextra = $this->_tmp_filename.'.png'; 
     460        } 
     461        if(is_readable($depthfile)) { 
     462            $offset = file($depthfile); 
     463            $status_code = (copy($this->_tmp_filename.'.depth',$filenamenoext.'depth')); 
     464            if (!$status_code) { 
     465                $this->_errorcode = 'Could not copy file'; 
     466                $this->_errorextra = $this->_tmp_filename.'.depth'; 
     467            } 
     468        } else { 
     469            $offset='0pt'; 
     470        } 
     471        chdir($current_dir); 
     472        $this->cleanTemporaryDirectory(); 
     473        return true; 
     474    } 
     475 
     476    /** 
     477     * Cleans the temporary directory 
     478     */ 
     479    function cleanTemporaryDirectory() { 
     480        $term=array('tex','aux','log','depth','dvi','ps','png'); 
     481        foreach ($term as $i) { 
     482            $fn=$this->_tmp_dir.'/'.$this->_tmp_filename.$i; 
     483            if (is_file($fn)) { 
     484                unlink($fn); 
     485            } 
     486        } 
     487    } 
     488 
    111489  } 
    112  
    113   // =================== 
    114   // public functions 
    115   // =================== 
    116  
    117   public static function defaultConfig() { 
    118     $base=array( 
    119           'xsizelimit' => '500', 
    120           'ysizelimit' => '500', 
    121           'stringlengthlimit' => '500', 
    122           'formuladensity' => '120', 
    123           'latexclass' => 'article', 
    124           'fontsize' => '10', 
    125           'method' => 'old' 
    126           ); 
    127     $commands=array('latex','dvips','convert','identify'); 
    128     foreach ($commands as $i) { 
    129       $base[$i.'path']='/usr/bin/'.$i; 
    130     } 
    131  
    132     return $base; 
    133   } 
    134   public static function getConfig() { 
    135     global $core; 
    136     $base = LatexRender::defaultConfig(); 
    137     if ($core->blog->settings->get('latexrender_options',true) === null) { 
    138       // First appearance of options combo on any blog 
    139       $core->blog->settings->setNameSpace('latexrender'); 
    140       $core->blog->settings->put('latexrender_options', 
    141                      '','string', 
    142                      'LatexRender options',true,true); 
    143     } 
    144      
    145     $user = $core->blog->settings->latexrender_options; 
    146     if ($user === null) { 
    147       $user = $base; 
    148     } else { 
    149       $user = @unserialize($user); 
    150       if (!is_array($user)) { 
    151      $user = array(); 
    152       } 
    153       $user = array_merge($base,$user);  
    154     } 
    155     return $user; 
    156   } 
    157   public static function storeConfig($config,$oldconfig=null) { 
    158     global $core; 
    159     $fixed_options=array(); 
    160     $base = LatexRender::defaultConfig(); 
    161     foreach ($config as $name => $value) { 
    162       if ((!isset($base[$name])) || 
    163        ($base[$name] != $value)) { 
    164      $fixed_options[$name]=$value; 
    165       } 
    166     } 
    167     if ($oldconfig) { 
    168       foreach ($config as $name => $value) { 
    169      if ((!isset($oldconfig[$name])) || 
    170          ($oldconfig[$name] != $value)) { 
    171        $fixed_options[$name]=$value; 
    172      } 
    173       } 
    174  
    175     } 
    176     if (count($fixed_options)) { 
    177       $core->blog->settings->setNameSpace('latexrender'); 
    178       $core->blog->settings->put('latexrender_options', 
    179                      serialize($fixed_options)); 
    180     } 
    181   } 
    182  
    183   /** 
    184    * Returns the last error code 
    185    * 
    186    */ 
    187   public function getError() { 
    188     return(__($this->_errorcode).' {'.$this->_errorextra.'}'); 
    189   } 
    190  
    191   /** 
    192    * Tries to match the LaTeX Formula given as argument against the 
    193    * formula cache. If the picture has not been rendered before, it'll 
    194    * try to render the formula and drop it in the picture cache directory. 
    195    * 
    196    * @param string formula in LaTeX format 
    197    * @returns the webserver based URL to a picture which contains the 
    198    * requested LaTeX formula. If anything fails, the resultvalue is false. 
    199    */ 
    200   public function getFormulaHTML($latex_formula,$color='000000',$force=false) { 
    201     $aurl=$this->getFormulaURL($latex_formula,$color,$force); 
    202     $url = $aurl[0]; 
    203     $depth=$aurl[1]; 
    204     if ($depth) { 
    205       $style_css = ' style="vertical-align:-'.$depth.';"'; 
    206     } 
    207     $alt_latex_formula = htmlentities($latex_formula, ENT_QUOTES); 
    208     $alt_latex_formula = str_replace("\r",'&#13;',$alt_latex_formula); 
    209     $alt_latex_formula = str_replace("\n",'&#10;',$alt_latex_formula); 
    210     if ($url) { 
    211       $html='<img class="latex" src="'.$url.'" title="'.$alt_latex_formula.'" alt="'.$alt_latex_formula.'" '.$style_css.' />'; 
    212     } else { 
    213       $html='<strong>[Unparsable formula ('.$this->getError().'): '.$alt_latex_formula.']</strong>'; 
    214     } 
    215     return $html; 
    216   } 
    217      
    218   /** 
    219    * Tries to match the LaTeX Formula given as argument against the 
    220    * formula cache. If the picture has not been rendered before, it'll 
    221    * try to render the formula and drop it in the picture cache directory. 
    222    * 
    223    * @param string formula in LaTeX format 
    224    * @returns the webserver based URL to a picture which contains the 
    225    * requested LaTeX formula. If anything fails, the resultvalue is false. 
    226    */ 
    227   public function getFormulaURL($latex_formula,$color,$force) { 
    228     // circumvent certain security functions of web-software which 
    229     // is pretty pointless right here 
    230     if ($this->_wronginit) { 
    231       $this->_errorcode=$this->_initerrorcode; 
    232       $this->_errorextra=$this->_initerrorextra; 
    233       return array(false,0); 
    234     } else { 
    235       $this->_errorcode=''; 
    236       $this->_errorextra='';   
    237     } 
    238     $latex_formula = preg_replace('/&gt;/i', '>', $latex_formula); 
    239     $latex_formula = preg_replace('/&lt;/i', '<', $latex_formula); 
    240     $formula_hash = md5($latex_formula); 
    241     $filename = $formula_hash; 
    242     if ($color!='000000') { 
    243       $filename=$color.'X'.$filename.'.'; 
    244     } else { 
    245       $filename=$filename.'.'; 
    246     } 
    247     $full_path_filename = $this->_picture_path.'/'.$filename.'png'; 
    248     $full_path_filename_depth = $this->_picture_path.'/'.$filename.'depth'; 
    249     if ($force) { 
    250       if (is_file($full_path_filename)) { 
    251      unlink($full_path_filename); 
    252       } 
    253       if (is_file($full_path_filename_depth)) { 
    254      unlink($full_path_filename_depth); 
    255       } 
    256     } 
    257     if (!is_file($full_path_filename) || $force) { 
    258       // security filter: reject too long formulas 
    259       if (strlen($latex_formula) > $this->_string_length_limit) { 
    260      $this->_errorcode = 'formula too long'; 
    261      $this->_errorextra = strlen($latex_formula).'>'.$this->_string_length_limit; 
    262      return array(false,0); 
    263       } 
    264       
    265       // security filter: try to match against LaTeX-Tags Blacklist 
    266       for ($i=0;$i<sizeof($this->_latex_tags_blacklist);$i++) { 
    267      if (stristr($latex_formula,$this->_latex_tags_blacklist[$i])) { 
    268        $this->_errorcode = 'blacklisted TeX operator'; 
    269        $this->_errorextra = $this->_latex_tags_blacklist[$i]; 
    270        return array(false,0); 
    271      } 
    272       } 
    273       
    274       // security checks assume correct formula, let's render it 
    275       if (!($this->renderLatex($latex_formula,$color,$this->_picture_path.'/'.$filename))) { 
    276      // errorcode and errorextra should already be filled-in 
    277      return array(false,0); 
    278       } 
    279       if (!is_file($full_path_filename)) { 
    280      $this->_errorcode = 'file not moved correctly'; 
    281      $this->_errorextra = $full_path_filename; 
    282      return array(false,0); 
    283       } 
    284     } 
    285     if (is_file($full_path_filename_depth)) { 
    286       $depth=file_get_contents($full_path_filename_depth); 
    287       $depth=substr($depth,0,-1); 
    288     } else { 
    289       $depth='0pt'; 
    290     } 
    291     return array($this->_picture_path_httpd.'/'.$filename.'png', 
    292            $depth 
    293            ); 
    294   } 
    295   public function searchCache($clean=0) { 
    296     $count=0; 
    297     $dp=opendir($this->_picture_path); 
    298     while ($file=readdir($dp)) { 
    299       if ($file != '.' && $file != '..') { 
    300      $count++; 
    301      if ($clean) { unlink($this->_picture_path.'/'.$file); } 
    302       } 
    303     } 
    304     closedir($dp); 
    305     return $count; 
    306   } 
    307    
    308   // ==================== 
    309   // private functions 
    310   // ==================== 
    311        
    312   /** 
    313    * wraps a minimalistic LaTeX document around the formula and returns 
    314    * a string containing the whole document as string. Customize if you 
    315    * want other fonts for example. 
    316    * 
    317    * @param string formula in LaTeX format 
    318    * @returns minimalistic LaTeX document containing the given formula 
    319    */ 
    320   private function wrap_formula($latex_formula) { 
    321     $string  = '\documentclass['.$this->_font_size.'pt]{'.$this->_latexclass."}\n"; 
    322     $string .= "\\usepackage[latin1]{inputenc}\n"; 
    323     $string .= "\\usepackage{amsmath}\n"; 
    324     $string .= "\\usepackage{amsfonts}\n"; 
    325     $string .= "\\usepackage{amssymb}\n"; 
    326     $string .= "\\pagestyle{empty}\n"; 
    327     $string .= "\\newsavebox{\\formulabox}\n"; 
    328     $string .= "\\newlength{\\formulawidth}\n"; 
    329     $string .= "\\newlength{\\formulaheight}\n"; 
    330     $string .= "\\newlength{\\formuladepth}\n"; 
    331     $string .= "\\setlength{\\topskip}{0pt}\n"; 
    332     $string .= "\\setlength{\\parindent}{0pt}\n"; 
    333     $string .= "\\setlength{\\abovedisplayskip}{0pt}\n"; 
    334     $string .= "\\setlength{\\belowdisplayskip}{0pt}\n"; 
    335     $string .= "\\begin{lrbox}{\\formulabox}\n"; 
    336     $string .= $latex_formula."\n"; 
    337     $string .= "\\end{lrbox}\n"; 
    338     $string .= "\\settowidth {\\formulawidth}  {\\usebox{\\formulabox}}\n"; 
    339     $string .= "\\settoheight{\\formulaheight} {\\usebox{\\formulabox}}\n"; 
    340     $string .= "\\settodepth {\\formuladepth}  {\\usebox{\\formulabox}}\n"; 
    341     $string .= "\\newwrite\\foo\n"; 
    342     $string .= "\\immediate\\openout\\foo=\\jobname.depth\n"; 
    343     $string .= "    \\setlength{\\formuladepth}{1.25\\formuladepth}\n"; 
    344     $string .= "    \\addtolength{\\formuladepth}{0.5pt}\n"; 
    345     $string .= "    \\immediate\\write\\foo{\\the\\formuladepth}\n"; 
    346     $string .= "\\closeout\\foo\n"; 
    347     $string .= "\\begin{document}\n"; 
    348     $string .= "\\usebox{\\formulabox}\n"; 
    349     $string .= "\\end{document}\n"; 
    350  
    351     return $string; 
    352   } 
    353        
    354   /** 
    355    * returns the dimensions of a picture file using 'identify' of the 
    356    * imagemagick tools. The resulting array can be adressed with either 
    357    * $dim[0] / $dim[1] or $dim['x'] / $dim['y'] 
    358    * 
    359    * @param string path to a picture 
    360    * @returns array containing the picture dimensions 
    361    */ 
    362   private function getDimensions($filename) { 
    363     $output=exec($this->_identify_path.' '.$filename); 
    364     $result=explode(' ',$output); 
    365     $dim=explode('x',$result[2]); 
    366     $dim['x'] = $dim[0]; 
    367     $dim['y'] = $dim[1]; 
    368       
    369     return $dim; 
    370   } 
    371        
    372   /** 
    373    * Renders a LaTeX formula by the using the following method: 
    374    *  - write the formula into a wrapped tex-file in a temporary directory 
    375    *    and change to it 
    376    *  - Create a DVI file using latex (tetex) 
    377    *  - Convert DVI file to Postscript (PS) using dvips (tetex) 
    378    *  - convert, trim and add transparancy by using 'convert' from the 
    379    *    imagemagick package. 
    380    *  - Save the resulting image to the picture cache directory using an 
    381    *    md5 hash as filename. Already rendered formulas can be found 
    382    *    directly this way. 
    383    * 
    384    * @param string LaTeX formula 
    385    * @returns true if the picture has been successfully saved to the picture 
    386    *          cache directory 
    387    */ 
    388   function renderLatex($latex_formula,$color,$filenamenoext) { 
    389     $colorstring='#'.$color; 
    390     $latex_document = $this->wrap_formula($latex_formula); 
    391     $current_dir = getcwd(); 
    392     chdir($this->_tmp_dir); 
    393     // create temporary latex file 
    394     $fp = fopen($this->_tmp_dir.'/'.$this->_tmp_filename.'.tex','w'); 
    395     fputs($fp,$latex_document); 
    396     fclose($fp); 
    397       
    398     // create temporary dvi file 
    399     $command = $this->_latex_path.' --interaction=nonstopmode '.$this->_tmp_filename.'.tex'; 
    400     exec($command,$output,$status_code); 
    401     if ($status_code) { 
    402       $this->cleanTemporaryDirectory(); 
    403       chdir($current_dir); 
    404       $this->_errorcode = 'compilation failed'; 
    405       $this->_errorextra = implode(' ',$output); 
    406       return false; 
    407     } 
    408     unset($output); 
    409  
    410     // convert dvi file to postscript using dvips 
    411     $command = $this->_dvips_path.' -E '.$this->_tmp_filename.'.dvi -o '.$this->_tmp_filename.'.ps'; 
    412     exec($command,$output,$status_code); 
    413     if ($status_code) { 
    414       $this->cleanTemporaryDirectory(); 
    415       chdir($current_dir); 
    416       $this->_errorcode = 'compilation failed'; 
    417       $this->_errorextra = $command; 
    418       return false; 
    419     } 
    420  
    421     // imagemagick convert ps to image and trim picture 
    422     // test whether the old or new method should be used 
    423     unset($output); 
    424     if ($this->_method == 'new') { 
    425       $command = $this->_convert_path. 
    426      ' -channel RGBA'. 
    427      ' -density '.$this->_formula_density. 
    428      ' -trim '.$this->_tmp_filename.'.ps '. 
    429      "-fill '".$colorstring."' -colorize 100,100,100  ". 
    430      $this->_tmp_filename.'.png'; 
    431     } else { 
    432       $command = $this->_convert_path. 
    433      ' -density '.$this->_formula_density. 
    434      ' -trim -transparent \"#FFFFFF\" '.$this->_tmp_filename.'.ps '. 
    435      $this->_tmp_filename.'.png'; 
    436     } 
    437     $status_code = exec($command); 
    438     exec($command,$output,$status_code); 
    439     if ($status_code) { 
    440       $this->cleanTemporaryDirectory(); 
    441       chdir($current_dir); 
    442       $this->_errorcode = 'compilation failed'; 
    443       $this->_errorextra = $command.' -> '.implode(' ',$output); 
    444       return false; 
    445     } 
    446  
    447     // test picture for correct dimensions 
    448     $dim = $this->getDimensions($this->_tmp_filename.'.png'); 
    449  
    450     if ( ($dim['x'] > $this->_xsize_limit) or ($dim['y'] > $this->_ysize_limit)) { 
    451       $this->cleanTemporaryDirectory(); 
    452       chdir($current_dir); 
    453       $this->_errorcode = 'image too large'; 
    454       $this->_errorextra = $dim['x'].'x'.$dim['y'].'>>'. 
    455      $this->_xsize_limit.'x'.$this->_ysize_limit; 
    456       return false; 
    457     } 
    458  
    459     // copy temporary formula file to cached formula directory 
    460     $latex_hash = md5($latex_formula); 
    461     // offset: change file name to include depth information 
    462     $depthfile = $this->_tmp_filename.'.depth'; 
    463     if ($color != '000000') { 
    464       $latex_hash=$color.'X'.$latex_hash; 
    465     } 
    466       
    467     $status_code = (copy($this->_tmp_filename.'.png',$filenamenoext.'png')); 
    468     if (!$status_code) { 
    469       chdir($current_dir); 
    470       $this->cleanTemporaryDirectory(); 
    471       $this->_errorcode = 'Could not copy file'; 
    472       $this->_errorextra = $this->_tmp_filename.'.png'; 
    473     } 
    474     if(is_readable($depthfile)) { 
    475       $offset = file($depthfile); 
    476       $status_code = (copy($this->_tmp_filename.'.depth',$filenamenoext.'depth')); 
    477       if (!$status_code) { 
    478      $this->_errorcode = 'Could not copy file'; 
    479      $this->_errorextra = $this->_tmp_filename.'.depth'; 
    480       } 
    481     } else { 
    482       $offset='0pt'; 
    483     } 
    484     chdir($current_dir); 
    485     $this->cleanTemporaryDirectory(); 
    486     return true; 
    487   } 
    488  
    489   /** 
    490    * Cleans the temporary directory 
    491    */ 
    492   function cleanTemporaryDirectory() { 
    493     $term=array('tex','aux','log','depth','dvi','ps','png'); 
    494     foreach ($term as $i) { 
    495       $fn=$this->_tmp_dir.'/'.$this->_tmp_filename.$i; 
    496       if (is_file($fn)) { 
    497      unlink($fn); 
    498       } 
    499     } 
    500   } 
    501  
    502   } 
    503  
    504490?> 

  • plugins/latexrender/doc/LISEZMOI.html

    r1043 r1066  
    3737au contenu des billets (note: comme l'auteur en utilise plusieurs, il 
    3838considère ceci comme un bug).</p> 
    39 <p class="version">La version courante de cette extension est 0.9 (local svn  333).</p><p class="licence">Cette extension est sous la licence <a href="http://creativecommons.org/licenses/by/3.0/deed.fr" hreflang="fr">CC-BY</a>.</p> 
     39<p class="version">La version courante de cette extension est 0.9.1 (local svn  348).</p><p class="licence">Cette extension est sous la licence <a href="http://www.gnu.org/licenses/lgpl-2.1.html" hreflang="en">GPL version 2.0</a>.</p> 
    4040<h3>Utilisation</h3> 
    4141<h4>Utilisation basique</h4> 
    … …  
    7676<p>FFFFFF est à remplacer par la <a href="http://www.commentcamarche.net/html/htmlcouleurs.php3" hreflang="fr">couleur voulue en hexadécimal</a> (ici, blanc; 
    7777jaune est FFFF00, rouge est FF0000...).</p> 
    78 <div class="bug"><h3>Pour signaler un bug ou aider cette extension</h3><p>Le mieux est de me contacter <a href="http://jean-christophe.dubacq.fr/pages/Contact">par courrier</a> (pour un bug) ou de laisser un commentaire (pour dire que vous avez testé cette extension). En cas de mise à jour, je modifierai ce billet.</p></div><div class="changelog"><h3>Liste des changements</h3><p>Note : ce journal est non-exhaustif, généré automatiquement, en anglais, et sans doute non-informatif avant 2009.</p><ul><li>Local SVN release 333 (jcdubacq,2009-04-18)<ul> <li>Allow for public path to be an absolute path, release</li> </ul></li> <li>Local SVN release 303 (jcdubacq,2009-01-27)<ul> <li>Fix locales</li> </ul></li> <li>Local SVN release 297 (jcdubacq,2009-01-26)<ul> <li>Adapt to version 0.3 of stacker (behavior initStacker)</li> </ul></li> <li>Local SVN release 292 (jcdubacq,2009-01-22)<ul> <li>Update documentation, release new version 0.6</li> </ul></li> <li>Local SVN release 259 (jcdubacq,2008-11-18)<ul> <li>Fix public url usage in admin area</li> </ul></li> <li>Local SVN release 205 (jcdubacq,2008-07-24)<ul> <li>Add documentation, new version</li> </ul></li> <li>Local SVN release 187 (jcdubacq,2008-07-09)<ul> <li>Add admin page, rewrite latexrender class to better fit the needs of DC2</li> </ul></li> <li>Local SVN release 168 (jcdubacq,2008-05-06)<ul> <li>Order plugins and themes</li> </ul></li> <li>Local SVN release 47 (jcdubacq,2008-02-15)<ul> <li>Add latexrender plugin</li> </ul></li></ul></div> 
     78<div class="bug"><h3>Pour signaler un bug ou aider cette extension</h3><p>Le mieux est de me contacter <a href="http://jean-christophe.dubacq.fr/pages/Contact">par courrier</a> (pour un bug) ou de laisser un commentaire (pour dire que vous avez testé cette extension). En cas de mise à jour, je modifierai ce billet.</p></div><div class="changelog"><h3>Liste des changements</h3><p>Note : ce journal est non-exhaustif, généré automatiquement, en anglais, et sans doute non-informatif avant 2009.</p><ul><li>Local SVN release 348 (jcdubacq,2009-04-22)<ul> <li>Fix documentation</li> </ul></li> <li>Local SVN release 346 (jcdubacq,2009-04-22)<ul> <li>Fix documentation</li> </ul></li> <li>Local SVN release 333 (jcdubacq,2009-04-18)<ul> <li>Allow for public path to be an absolute path, release</li> </ul></li> <li>Local SVN release 303 (jcdubacq,2009-01-27)<ul> <li>Fix locales</li> </ul></li> <li>Local SVN release 297 (jcdubacq,2009-01-26)<ul> <li>Adapt to version 0.3 of stacker (behavior initStacker)</li> </ul></li> <li>Local SVN release 292 (jcdubacq,2009-01-22)<ul> <li>Update documentation, release new version 0.6</li> </ul></li> <li>Local SVN release 259 (jcdubacq,2008-11-18)<ul> <li>Fix public url usage in admin area</li> </ul></li> <li>Local SVN release 205 (jcdubacq,2008-07-24)<ul> <li>Add documentation, new version</li> </ul></li> <li>Local SVN release 187 (jcdubacq,2008-07-09)<ul> <li>Add admin page, rewrite latexrender class to better fit the needs of DC2</li> </ul></li> <li>Local SVN release 168 (jcdubacq,2008-05-06)<ul> <li>Order plugins and themes</li> </ul></li> <li>Local SVN release 47 (jcdubacq,2008-02-15)<ul> <li>Add latexrender plugin</li> </ul></li></ul></div> 
    7979<h3>Travail restant à faire</h3> 
    8080<ul><li>Faire une version qui ne dépend pas de l'extension <code>stacker</code></li> 

  • plugins/latexrender/doc/LISEZMOI.txt

    r1043 r1066  
    4343ceci comme un bug). 
    4444 
    45 La version courante de cette extension est 0.9 (local svn 333). 
     45La version courante de cette extension est 0.9.1 (local svn 348). 
    4646 
    47 Cette extension est sous la licence [5]CC-BY. 
     47Cette extension est sous la licence [5]GPL version 2.0. 
    4848 
    4949=== Utilisation === 
    … …  
    101101Note : ce journal est non-exhaustif, généré automatiquement, en anglais, et sans 
    102102doute non-informatif avant 2009. 
     103  * Local SVN release 348 (jcdubacq,2009-04-22) 
     104  + Fix documentation 
     105  * Local SVN release 346 (jcdubacq,2009-04-22) 
     106  + Fix documentation 
    103107  * Local SVN release 333 (jcdubacq,2009-04-18) 
    104108  + Allow for public path to be an absolute path, release 
    … …  
    136140   3. http://www.imagemagick.org/script/index.php 
    137141   4. http://jean-christophe.dubacq.fr/post/stacker 
    138    5. http://creativecommons.org/licenses/by/3.0/deed.fr 
     142   5. http://www.gnu.org/licenses/lgpl-2.1.html 
    139143   6. http://www.commentcamarche.net/html/htmlcouleurs.php3 
    140144   7. http://jean-christophe.dubacq.fr/pages/Contact 

  • plugins/latexrender/doc/README.html

    r1043 r1066  
    4848contents (note: as the author uses several of them, this is therefore 
    4949considered as a bug).</p> 
    50 <p class="version">The current version of this plugin is 0.9 (local svn  333).</p><p class="licence">This plugin is licensed under <a href="http://creativecommons.org/licenses/by/3.0/deed.en" hreflang="en">CC-BY</a>.</p> 
     50<p class="version">The current version of this plugin is 0.9.1 (local svn  348).</p><p class="licence">This plugin is licensed under <a href="http://www.gnu.org/licenses/lgpl-2.1.html" hreflang="en">GPL version 2.0</a>.</p> 
    5151<h3>Usage</h3> 
    5252<h4>Basic usage</h4> 
    … …  
    8787<pre class="code">&lt;?php $core-&gt;theme_color='FFFFFF'; ?&gt;</pre> 
    8888<p>FFFFFF is to be replaced by the desired colour, coded in hexadecimal (here, white; yellow is FFFF00, red is FF0000).</p> 
    89 <div class="bug"><h3>To tell me about a bug or helping this plugin</h3><p>The best way is to contact me <a href="http://jean-christophe.dubacq.fr/pages/Contact">by mail</a> (for a bug) or leave a comment (telling me you tested this extension) at the maintenance page. In case of an update, I will modify the maintenance page accordingly.</p></div><div class="changelog"><p>Note: this changelog is not complete, automatically generated and probably not even informative before 2009.</p><ul><li>Local SVN release 333 (jcdubacq,2009-04-18)<ul> <li>Allow for public path to be an absolute path, release</li> </ul></li> <li>Local SVN release 303 (jcdubacq,2009-01-27)<ul> <li>Fix locales</li> </ul></li> <li>Local SVN release 297 (jcdubacq,2009-01-26)<ul> <li>Adapt to version 0.3 of stacker (behavior initStacker)</li> </ul></li> <li>Local SVN release 292 (jcdubacq,2009-01-22)<ul> <li>Update documentation, release new version 0.6</li> </ul></li> <li>Local SVN release 259 (jcdubacq,2008-11-18)<ul> <li>Fix public url usage in admin area</li> </ul></li> <li>Local SVN release 205 (jcdubacq,2008-07-24)<ul> <li>Add documentation, new version</li> </ul></li> <li>Local SVN release 187 (jcdubacq,2008-07-09)<ul> <li>Add admin page, rewrite latexrender class to better fit the needs of DC2</li> </ul></li> <li>Local SVN release 168 (jcdubacq,2008-05-06)<ul> <li>Order plugins and themes</li> </ul></li> <li>Local SVN release 47 (jcdubacq,2008-02-15)<ul> <li>Add latexrender plugin</li> </ul></li></ul></div> 
     89<div class="bug"><h3>To tell me about a bug or helping this plugin</h3><p>The best way is to contact me <a href="http://jean-christophe.dubacq.fr/pages/Contact">by mail</a> (for a bug) or leave a comment (telling me you tested this extension) at the maintenance page. In case of an update, I will modify the maintenance page accordingly.</p></div><div class="changelog"><p>Note: this changelog is not complete, automatically generated and probably not even informative before 2009.</p><ul><li>Local SVN release 348 (jcdubacq,2009-04-22)<ul> <li>Fix documentation</li> </ul></li> <li>Local SVN release 346 (jcdubacq,2009-04-22)<ul> <li>Fix documentation</li> </ul></li> <li>Local SVN release 333 (jcdubacq,2009-04-18)<ul> <li>Allow for public path to be an absolute path, release</li> </ul></li> <li>Local SVN release 303 (jcdubacq,2009-01-27)<ul> <li>Fix locales</li> </ul></li> <li>Local SVN release 297 (jcdubacq,2009-01-26)<ul> <li>Adapt to version 0.3 of stacker (behavior initStacker)</li> </ul></li> <li>Local SVN release 292 (jcdubacq,2009-01-22)<ul> <li>Update documentation, release new version 0.6</li> </ul></li> <li>Local SVN release 259 (jcdubacq,2008-11-18)<ul> <li>Fix public url usage in admin area</li> </ul></li> <li>Local SVN release 205 (jcdubacq,2008-07-24)<ul> <li>Add documentation, new version</li> </ul></li> <li>Local SVN release 187 (jcdubacq,2008-07-09)<ul> <li>Add admin page, rewrite latexrender class to better fit the needs of DC2</li> </ul></li> <li>Local SVN release 168 (jcdubacq,2008-05-06)<ul> <li>Order plugins and themes</li> </ul></li> <li>Local SVN release 47 (jcdubacq,2008-02-15)<ul> <li>Add latexrender plugin</li> </ul></li></ul></div> 
    9090<h3>To do</h3> 
    9191<ul> 

  • plugins/latexrender/doc/README.txt

    r1043 r1066  
    4040considered as a bug). 
    4141 
    42 The current version of this plugin is 0.9 (local svn 333). 
     42The current version of this plugin is 0.9.1 (local svn 348). 
    4343 
    44 This plugin is licensed under [5]CC-BY. 
     44This plugin is licensed under [5]GPL version 2.0. 
    4545 
    4646=== Usage === 
    … …  
    9595Note: this changelog is not complete, automatically generated and probably not 
    9696even informative before 2009. 
     97  * Local SVN release 348 (jcdubacq,2009-04-22) 
     98  + Fix documentation 
     99  * Local SVN release 346 (jcdubacq,2009-04-22) 
     100  + Fix documentation 
    97101  * Local SVN release 333 (jcdubacq,2009-04-18) 
    98102  + Allow for public path to be an absolute path, release 
    … …  
    130134   3. http://www.imagemagick.org/script/index.php 
    131135   4. http://jean-christophe.dubacq.fr/post/stacker 
    132    5. http://creativecommons.org/licenses/by/3.0/deed.en 
     136   5. http://www.gnu.org/licenses/lgpl-2.1.html 
    133137   6. http://jean-christophe.dubacq.fr/pages/Contact 

  • plugins/latexrender/index.php

    r760 r1066  
    11<?php  
    2   // ***** BEGIN LICENSE BLOCK ***** 
    3   // This file is (c) Jean-Christophe Dubacq. 
    4   // Licensed under CC-BY licence. 
    5   // 
    6   // ***** END LICENSE BLOCK ***** 
     2# -- BEGIN LICENSE BLOCK ---------------------------------- 
     3# This file is part of latexrender, a plugin for Dotclear. 
     4#  
     5# Copyright (c) 2009 Jean-Christophe Dubacq 
     6# jcdubacq1@free.fr 
     7#  
     8# Licensed under the LGPL version 2.1 license. 
     9# A copy of this license is available in LICENSE file or at 
     10# http://www.gnu.org/licenses/lgpl-2.1.html 
     11# -- END LICENSE BLOCK ------------------------------------ 
    712 
    813if (!defined('DC_CONTEXT_ADMIN')) { return; } 
    … …  
    1217$core->latex=new LatexRender($core); 
    1318$method_type = array( 
    14                __('Safe method') => 'old', 
    15                __('Colorization method') => 'new' 
    16                ); 
     19                     __('Safe method') => 'old', 
     20                     __('Colorization method') => 'new' 
     21                     ); 
    1722 
    1823try 
    1924{ 
    20   // Create settings if they don't exist 
    21   $options=LatexRender::getConfig(); 
    22   if ($_POST['reset']) { 
    23     $options=LatexRender::defaultConfig(); 
    24     LatexRender::storeConfig($options); 
    25     http::redirect($p_url); 
    26   } 
     25    // Create settings if they don't exist 
     26    $options=LatexRender::getConfig(); 
     27    if ($_POST['reset']) { 
     28        $options=LatexRender::defaultConfig(); 
     29        LatexRender::storeConfig($options); 
     30        http::redirect($p_url); 
     31    } 
    2732} catch (Exception $e) { 
    28   $core->error->add($e->getMessage()); 
     33    $core->error->add($e->getMessage()); 
    2934  } 
    3035if (isset($_POST['latexrender_latexpath']) && !($_POST['reset']) 
    3136    && !($_POST['clean'])) { 
    32   $boptions=LatexRender::defaultConfig(); 
    33   foreach ($boptions as $key => $value) { 
    34     if (isset($_POST['latexrender_'.$key])) { 
    35       $boptions[$key]=$_POST['latexrender_'.$key]; 
    36     } else { 
    37       $boptions[$key]=''; 
     37    $boptions=LatexRender::defaultConfig(); 
     38    foreach ($boptions as $key => $value) { 
     39        if (isset($_POST['latexrender_'.$key])) { 
     40            $boptions[$key]=$_POST['latexrender_'.$key]; 
     41        } else { 
     42            $boptions[$key]=''; 
     43        } 
    3844    } 
    39   } 
    40   LatexRender::storeConfig($boptions,$options); 
    41   http::redirect($p_url.'&up=1'); 
     45    LatexRender::storeConfig($boptions,$options); 
     46    http::redirect($p_url.'&up=1'); 
    4247 } 
    4348if (isset($_POST['clean'])) { 
    44   http::redirect($p_url.'&clean='.$core->latex->searchCache(1)); 
     49    http::redirect($p_url.'&clean='.$core->latex->searchCache(1)); 
    4550 } 
    4651?><html> 
    … …  
    5156echo '<h2>LaTeXrender</h2>'; 
    5257if (!empty($_GET['up'])) { 
    53   echo '<p class="message">'.__('Settings have been successfully updated.'). 
    54     '</p>'; 
     58    echo '<p class="message">'.__('Settings have been successfully updated.'). 
     59        '</p>'; 
    5560 } 
    5661if (!empty($_GET['clean'])) { 
    57   echo '<p class="message">'.__('Cache has been successfully cleaned.'). 
    58     '</p>'; 
     62    echo '<p class="message">'.__('Cache has been successfully cleaned.'). 
     63        '</p>'; 
    5964 } 
    6065echo '<h3>'.__('Plugin auto-test').'</h3>'; 
    … …  
    6772echo '<p>'.__('Files in cache:').$core->latex->searchCache(0).'</p>'; 
    6873if ($core->stacker) { 
    69   echo __('<p>The stacker extension is installed. Public display will take place.</p>'); 
     74    echo __('<p>The stacker extension is installed. Public display will take place.</p>'); 
    7075 } else { 
    71   echo __('<p>Please install the stacker extension for public display to take place.</p>'); 
     76    echo __('<p>Please install the stacker extension for public display to take place.</p>'); 
    7277 } 
    7378echo '</body>'; 
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