forked from Wavyzz/dolibarr
8d206fdfb0
upgrade were not yet received. So we prepare for GPL by uniformizing licence text keys to GPL-3+. Will move later to AGPL if all answers are positive.
413 lines
13 KiB
PHP
413 lines
13 KiB
PHP
<?php
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/* Copyright (C) 2004-2012 Laurent Destailleur <eldy@users.sourceforge.net>
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* Copyright (C) 2004-2010 Folke Ashberg: Some lines of code were inspired from work
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* of Folke Ashberg into PHP-Barcode 0.3pl2, available as GPL
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* source code at http://www.ashberg.de/bar.
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation; either version 3 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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/**
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* \file htdocs/core/lib/barcode.lib.php
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* \brief Set of functions used for barcode generation
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* \ingroup core
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*/
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/* ******************************************************************** */
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/* COLORS */
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/* ******************************************************************** */
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$bar_color=Array(0,0,0);
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$bg_color=Array(255,255,255);
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$text_color=Array(0,0,0);
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/* ******************************************************************** */
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/* FONT FILE */
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/* ******************************************************************** */
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if (defined('DOL_DEFAULT_TTF_BOLD')) $font_loc=constant('DOL_DEFAULT_TTF_BOLD');
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// Automatic-Detection of Font if running Windows
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// DOL_CHANGE LDR
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if (isset($_SERVER['WINDIR']) && @file_exists($_SERVER['WINDIR'])) $font_loc=$_SERVER['WINDIR'].'\Fonts\arialbd.ttf';
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if (empty($font_loc)) die('DOL_DEFAULT_TTF_BOLD must de defined with full path to a TTF font.');
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/* ******************************************************************** */
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/* GENBARCODE */
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/* ******************************************************************** */
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/* location of 'genbarcode'
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* leave blank if you don't have them :(
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* genbarcode is needed to render encodings other than EAN-12/EAN-13/ISBN
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*/
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if (defined('PHP-BARCODE_PATH_COMMAND')) $genbarcode_loc=constant('PHP-BARCODE_PATH_COMMAND');
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else $genbarcode_loc = $conf->global->GENBARCODE_LOCATION;
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//dol_syslog("genbarcode_loc=".$genbarcode_loc." - env_windows=".$_SERVER['WINDIR']);
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/**
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* Print barcode
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*
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* @param string $code Code
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* @param string $encoding Encoding
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* @param string $scale Scale
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* @param string $mode 'png' or 'jpg' ...
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*
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*
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* @return array $bars array('encoding': the encoding which has been used, 'bars': the bars, 'text': text-positioning info)
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*/
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function barcode_print($code, $encoding="ANY", $scale = 2 ,$mode = "png")
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{
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// DOLCHANGE LDR Add log
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dol_syslog("barcode.lib.php::barcode_print $code $encoding $scale $mode");
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$bars=barcode_encode($code,$encoding);
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if (! $bars)
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{
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// DOLCHANGE LDR Return error message instead of array
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$error='Bad Value '.$code.' for encoding '.$encoding;
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dol_syslog('barcode.lib.php::barcode_print '.$error, LOG_ERR);
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return $error;
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}
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if (! $mode) $mode="png";
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//if (preg_match("/^(text|txt|plain)$/i",$mode)) print barcode_outtext($bars['text'],$bars['bars']);
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//elseif (preg_match("/^(html|htm)$/i",$mode)) print barcode_outhtml($bars['text'],$bars['bars'], $scale,0, 0);
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//else
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barcode_outimage($bars['text'], $bars['bars'], $scale, $mode);
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return $bars;
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}
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/**
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* Encodes $code with $encoding using genbarcode OR built-in encoder if you don't have genbarcode only EAN-13/ISBN is possible
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*
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* You can use the following encodings (when you have genbarcode):
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* ANY choose best-fit (default)
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* EAN 8 or 13 EAN-Code
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* UPC 12-digit EAN
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* ISBN isbn numbers (still EAN-13)
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* 39 code 39
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* 128 code 128 (a,b,c: autoselection)
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* 128C code 128 (compact form for digits)
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* 128B code 128, full printable ascii
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* I25 interleaved 2 of 5 (only digits)
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* 128RAW Raw code 128 (by Leonid A. Broukhis)
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* CBR Codabar (by Leonid A. Broukhis)
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* MSI MSI (by Leonid A. Broukhis)
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* PLS Plessey (by Leonid A. Broukhis)
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*
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* @param string $code Code
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* @param string $encoding Encoding
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* @return array array('encoding': the encoding which has been used, 'bars': the bars, 'text': text-positioning info)
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*/
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function barcode_encode($code,$encoding)
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{
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global $genbarcode_loc;
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if (
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((preg_match("/^ean$/i", $encoding)
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&& ( strlen($code)==12 || strlen($code)==13)))
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|| (($encoding) && (preg_match("/^isbn$/i", $encoding))
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&& (( strlen($code)==9 || strlen($code)==10) ||
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(((preg_match("/^978/", $code) && strlen($code)==12) ||
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(strlen($code)==13)))))
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|| (( !isset($encoding) || !$encoding || (preg_match("/^ANY$/i", $encoding) ))
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&& (preg_match("/^[0-9]{12,13}$/", $code)))
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)
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{
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/* use built-in EAN-Encoder */
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dol_syslog("barcode.lib.php::barcode_encode Use barcode_encode_ean");
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$bars=barcode_encode_ean($code, $encoding);
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}
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else if (file_exists($genbarcode_loc))
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{
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/* use genbarcode */
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dol_syslog("barcode.lib.php::barcode_encode Use genbarcode ".$genbarcode_loc." code=".$code." encoding=".$encoding);
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$bars=barcode_encode_genbarcode($code, $encoding);
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}
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else
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{
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print "barcode_encode needs an external programm for encodings other then EAN/ISBN<BR>\n";
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print "<UL>\n";
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print "<LI>download gnu-barcode from <A href=\"http://www.gnu.org/software/barcode/\">www.gnu.org/software/barcode/</A>\n";
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print "<LI>compile and install them\n";
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print "<LI>download genbarcode from <A href=\"http://www.ashberg.de/bar/\">www.ashberg.de/bar/</A>\n";
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print "<LI>compile and install them\n";
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print "<LI>specify path the genbarcode in barcode module setup\n";
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print "</UL>\n";
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print "<BR>\n";
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return false;
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}
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return $bars;
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}
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/**
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* Calculate EAN sum
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*
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* @param string $ean EAN to encode
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* @return string Sum
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*/
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function barcode_gen_ean_sum($ean)
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{
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$even=true; $esum=0; $osum=0;
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$ln=strlen($ean)-1;
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for ($i=$ln; $i>=0; $i--)
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{
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if ($even) $esum+=$ean[$i]; else $osum+=$ean[$i];
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$even=!$even;
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}
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return (10-((3*$esum+$osum)%10))%10;
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}
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/**
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* Encode EAN
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*
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* @param string $ean Code
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* @param string $encoding Encoding
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* @return array array('encoding': the encoding which has been used, 'bars': the bars, 'text': text-positioning info)
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*/
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function barcode_encode_ean($ean, $encoding = "EAN-13")
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{
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$digits=array(3211,2221,2122,1411,1132,1231,1114,1312,1213,3112);
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$mirror=array("000000","001011","001101","001110","010011","011001","011100","010101","010110","011010");
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$guards=array("9a1a","1a1a1","a1a");
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$ean=trim($ean);
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if (preg_match("/[^0-9]/i",$ean))
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{
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return array("text"=>"Invalid EAN-Code");
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}
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$encoding=strtoupper($encoding);
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if ($encoding=="ISBN")
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{
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if (!preg_match("/^978/", $ean)) $ean="978".$ean;
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}
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if (preg_match("/^978/", $ean)) $encoding="ISBN";
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if (strlen($ean)<12 || strlen($ean)>13)
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{
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return array("text"=>"Invalid $encoding Code (must have 12/13 numbers)");
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}
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$ean=substr($ean,0,12);
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$eansum=barcode_gen_ean_sum($ean);
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$ean.=$eansum;
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$line=$guards[0];
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for ($i=1;$i<13;$i++)
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{
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$str=$digits[$ean[$i]];
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if ($i<7 && $mirror[$ean[0]][$i-1]==1) $line.=strrev($str); else $line.=$str;
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if ($i==6) $line.=$guards[1];
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}
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$line.=$guards[2];
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/* create text */
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$pos=0;
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$text="";
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for ($a=0;$a<13;$a++)
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{
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if ($a>0) $text.=" ";
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$text.="$pos:12:{$ean[$a]}";
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if ($a==0) $pos+=12;
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else if ($a==6) $pos+=12;
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else $pos+=7;
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}
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return array(
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"encoding" => $encoding,
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"bars" => $line,
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"text" => $text
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);
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}
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/**
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* Encode result of genbarcode command
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*
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* @param string $code Code
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* @param string $encoding Encoding
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* @return array array('encoding': the encoding which has been used, 'bars': the bars, 'text': text-positioning info)
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*/
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function barcode_encode_genbarcode($code,$encoding)
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{
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global $genbarcode_loc;
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// Clean parameters
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if (preg_match("/^ean$/i", $encoding) && strlen($code)==13) $code=substr($code,0,12);
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if (!$encoding) $encoding="ANY";
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$encoding=preg_replace("/[\\\|]/", "_", $encoding);
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$code=preg_replace("/[\\\|]/", "_", $code);
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$command=escapeshellarg($genbarcode_loc);
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$paramclear=" \"".str_replace("\"", "\\\"",$code)."\" \"".str_replace("\"", "\\\"",strtoupper($encoding))."\"";
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$fullcommandclear=$command." ".$paramclear." 2>&1";
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//print $fullcommandclear."<br>\n";
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dol_syslog("Run command ".$fullcommandclear);
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$fp=popen($fullcommandclear, "r");
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if ($fp)
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{
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$bars=fgets($fp, 1024);
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$text=fgets($fp, 1024);
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$encoding=fgets($fp, 1024);
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pclose($fp);
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}
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else
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{
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dol_syslog("barcode.lib.php::barcode_encode_genbarcode failed to run popen ".$fullcommandclear, LOG_ERR);
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return false;
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}
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//var_dump($bars);
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$ret=array(
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"encoding" => trim($encoding),
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"bars" => trim($bars),
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"text" => trim($text)
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);
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//var_dump($ret);
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if (!$ret['encoding']) return false;
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if (!$ret['bars']) return false;
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if (!$ret['text']) return false;
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return $ret;
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}
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/**
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* Output image onto standard output, or onto disk if global filebarcode is defined
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*
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* @param string $text the text-line (<position>:<font-size>:<character> ...)
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* @param string $bars where to place the bars (<space-width><bar-width><space-width><bar-width>...)
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* @param int $scale scale factor ( 1 < scale < unlimited (scale 50 will produce 5400x300 pixels when using EAN-13!!!))
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* @param string $mode png,gif,jpg (default='png')
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* @param int $total_y the total height of the image ( default: scale * 60 )
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* @param array $space default: $space[top] = 2 * $scale; $space[bottom]= 2 * $scale; $space[left] = 2 * $scale; $space[right] = 2 * $scale;
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* @return void
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*/
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function barcode_outimage($text, $bars, $scale = 1, $mode = "png", $total_y = 0, $space = '')
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{
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global $bar_color, $bg_color, $text_color;
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global $font_loc, $filebarcode;
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//print "$text, $bars, $scale, $mode, $total_y, $space, $font_loc, $filebarcode<br>";
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//var_dump($text);
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//var_dump($bars);
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//var_dump($font_loc);
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/* set defaults */
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if ($scale<1) $scale=2;
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$total_y=(int) $total_y;
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if ($total_y<1) $total_y=(int) $scale * 60;
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if (!$space)
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$space=array('top'=>2*$scale,'bottom'=>2*$scale,'left'=>2*$scale,'right'=>2*$scale);
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/* count total width */
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$xpos=0;
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$width=true;
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$ln=strlen($bars);
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for ($i=0; $i<$ln; $i++)
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{
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$val=strtolower($bars[$i]);
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if ($width)
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{
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$xpos+=$val*$scale;
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$width=false;
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continue;
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}
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if (preg_match("/[a-z]/", $val))
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{
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/* tall bar */
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$val=ord($val)-ord('a')+1;
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}
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$xpos+=$val*$scale;
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$width=true;
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}
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/* allocate the image */
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$total_x=( $xpos )+$space['right']+$space['right'];
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$xpos=$space['left'];
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if (! function_exists("imagecreate"))
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{
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print "You don't have the gd2 extension enabled<br>\n";
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return "";
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}
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$im=imagecreate($total_x, $total_y);
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/* create two images */
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$col_bg=ImageColorAllocate($im,$bg_color[0],$bg_color[1],$bg_color[2]);
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$col_bar=ImageColorAllocate($im,$bar_color[0],$bar_color[1],$bar_color[2]);
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$col_text=ImageColorAllocate($im,$text_color[0],$text_color[1],$text_color[2]);
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$height=round($total_y-($scale*10));
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$height2=round($total_y-$space['bottom']);
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/* paint the bars */
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$width=true;
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$ln=strlen($bars);
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for ($i=0; $i<$ln; $i++)
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{
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$val=strtolower($bars[$i]);
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if ($width)
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{
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$xpos+=$val*$scale;
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$width=false;
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continue;
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}
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if (preg_match("/[a-z]/", $val))
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{
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/* tall bar */
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$val=ord($val)-ord('a')+1;
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$h=$height2;
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} else $h=$height;
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imagefilledrectangle($im, $xpos, $space['top'], $xpos+($val*$scale)-1, $h, $col_bar);
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$xpos+=$val*$scale;
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$width=true;
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}
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$chars=explode(" ", $text);
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reset($chars);
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while (list($n, $v)=each($chars))
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{
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if (trim($v))
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{
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$inf=explode(":", $v);
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$fontsize=$scale*($inf[1]/1.8);
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$fontheight=$total_y-($fontsize/2.7)+2;
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imagettftext($im, $fontsize, 0, $space['left']+($scale*$inf[0])+2, $fontheight, $col_text, $font_loc, $inf[2]);
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}
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}
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/* output the image */
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$mode=strtolower($mode);
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if ($mode=='jpg' || $mode=='jpeg')
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{
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header("Content-Type: image/jpeg; name=\"barcode.jpg\"");
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imagejpeg($im);
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}
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else if ($mode=='gif')
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{
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header("Content-Type: image/gif; name=\"barcode.gif\"");
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imagegif($im);
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}
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else if (! empty($filebarcode)) // To wxrite into afile onto disk
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{
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imagepng($im,$filebarcode);
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}
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else
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{
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header("Content-Type: image/png; name=\"barcode.png\"");
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imagepng($im);
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}
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}
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?>
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