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Ajout de php-barcode et de genbarcode pour windows

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This commit is contained in:
Regis Houssin
2007-09-27 22:24:43 +00:00
parent 76109b21c4
commit 2439830611
10 changed files with 1227 additions and 28 deletions
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91
htdocs/includes/barcode/php-barcode/encode_bars.php Normal file
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<?php
/*
* Built-In Encoders
* Part of PHP-Barcode 0.3pl1
* (C) 2001,2002,2003,2004 by Folke Ashberg <folke@ashberg.de>
* The newest version can be found at http://www.ashberg.de/bar
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
function barcode_gen_ean_sum($ean){
$even=true; $esum=0; $osum=0;
for ($i=strlen($ean)-1;$i>=0;$i--){
if ($even) $esum+=$ean[$i]; else $osum+=$ean[$i];
$even=!$even;
}
return (10-((3*$esum+$osum)%10))%10;
}
/* barcode_encode_ean(code [, encoding])
* encodes $ean with EAN-13 using builtin functions
*
* return:
* array[encoding] : the encoding which has been used (EAN-13)
* array[bars] : the bars
* array[text] : text-positioning info
*/
function barcode_encode_ean($ean, $encoding = "EAN-13"){
$digits=array(3211,2221,2122,1411,1132,1231,1114,1312,1213,3112);
$mirror=array("000000","001011","001101","001110","010011","011001","011100","010101","010110","011010");
$guards=array("9a1a","1a1a1","a1a");
$ean=trim($ean);
if (eregi("[^0-9]",$ean)){
return array("text"=>"Invalid EAN-Code");
}
$encoding=strtoupper($encoding);
if ($encoding=="ISBN"){
if (!ereg("^978", $ean)) $ean="978".$ean;
}
if (ereg("^978", $ean)) $encoding="ISBN";
if (strlen($ean)<12 || strlen($ean)>13){
return array("text"=>"Invalid $encoding Code (must have 12/13 numbers)");
}
$ean=substr($ean,0,12);
$eansum=barcode_gen_ean_sum($ean);
$ean.=$eansum;
$line=$guards[0];
for ($i=1;$i<13;$i++){
$str=$digits[$ean[$i]];
if ($i<7 && $mirror[$ean[0]][$i-1]==1) $line.=strrev($str); else $line.=$str;
if ($i==6) $line.=$guards[1];
}
$line.=$guards[2];
/* create text */
$pos=0;
$text="";
for ($a=0;$a<13;$a++){
if ($a>0) $text.=" ";
$text.="$pos:12:{$ean[$a]}";
if ($a==0) $pos+=12;
else if ($a==6) $pos+=12;
else $pos+=7;
}
return array(
"encoding" => $encoding,
"bars" => $line,
"text" => $text
);
}
?>