* The newest version can be found at http://www.ashberg.de/php-barcode * 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. */ /* CONFIGURATION */ /* ******************************************************************** */ /* COLORS */ /* ******************************************************************** */ $bar_color=Array(0,0,0); $bg_color=Array(255,255,255); $text_color=Array(0,0,0); /* ******************************************************************** */ /* FONT FILE */ /* ******************************************************************** */ /* location the the ttf-font */ $font_loc=dirname(__FILE__)."/"."FreeSansBold.ttf"; /* ******************************************************************** */ /* GENBARCODE */ /* ******************************************************************** */ /* location of 'genbarcode' * leave blank if you don't have them :( * genbarcode is needed to render encodings other than EAN-12/EAN-13/ISBN */ //$genbarcode_loc="c:\winnt\genbarcode.exe"; $genbarcode_loc="/usr/local/bin/genbarcode"; /* CONFIGURATION ENDS HERE */ require("encode_bars.php"); /* build-in encoders */ /* * barcode_outimage(text, bars [, scale [, mode [, total_y [, space ]]]] ) * * Outputs an image using libgd * * text : the text-line (:: ...) * bars : where to place the bars (...) * scale : scale factor ( 1 < scale < unlimited (scale 50 will produce * 5400x300 pixels when * using EAN-13!!!)) * mode : png,gif,jpg, depending on libgd ! (default='png') * total_y: the total height of the image ( default: scale * 60 ) * space : space * default: * $space[top] = 2 * $scale; * $space[bottom]= 2 * $scale; * $space[left] = 2 * $scale; * $space[right] = 2 * $scale; */ function barcode_outimage($text, $bars, $scale = 1, $mode = "png", $total_y = 0, $space = ''){ global $bar_color, $bg_color, $text_color; global $font_loc; /* set defaults */ if ($scale<1) $scale=2; $total_y=(int)($total_y); if ($total_y<1) $total_y=(int)$scale * 60; if (!$space) $space=array('top'=>2*$scale,'bottom'=>2*$scale,'left'=>2*$scale,'right'=>2*$scale); /* count total width */ $xpos=0; $width=true; for ($i=0;$i\n"; print "
\n"; print "
\n"; print "Short HOWTO
\n"; print "
\n"; print "Debian: # apt-get install php4-gd2
\n"; print "
\n"; print "SuSE: ask YaST
\n"; print "
\n"; print "OpenBSD: # pkg_add /path/php4-gd-4.X.X.tgz (read output, you have to enable it)
\n"; print "
\n"; print "Windows: Download the PHP zip package from php.net, NOT the windows-installer, unzip the php_gd2.dll to C:\PHP (this is the default install dir) and uncomment 'extension=php_gd2.dll' in C:\WINNT\php.ini (or where ever your os is installed)
\n"; print "
\n"; print "
\n"; print "The author of php-barcode will give not support on this topic!
\n"; print "
\n"; print "
\n"; print "Folke Ashberg's OpenSource PHP-Barcode
\n"; return ""; } $im=imagecreate($total_x, $total_y); /* create two images */ $col_bg=ImageColorAllocate($im,$bg_color[0],$bg_color[1],$bg_color[2]); $col_bar=ImageColorAllocate($im,$bar_color[0],$bar_color[1],$bar_color[2]); $col_text=ImageColorAllocate($im,$text_color[0],$text_color[1],$text_color[2]); $height=round($total_y-($scale*10)); $height2=round($total_y-$space['bottom']); /* paint the bars */ $width=true; for ($i=0;$i:: ...) * bars : where to place the bars (...) */ function barcode_outtext($code,$bars){ $width=true; $xpos=$heigh2=0; $bar_line=""; for ($i=0;$i:: ...) * bars : where to place the bars (...) * scale : scale factor ( 1 < scale < unlimited (scale 50 will produce * 5400x300 pixels when * using EAN-13!!!)) * total_y: the total height of the image ( default: scale * 60 ) * space : space * default: * $space[top] = 2 * $scale; * $space[bottom]= 2 * $scale; * $space[left] = 2 * $scale; * $space[right] = 2 * $scale; */ function barcode_outhtml($code, $bars, $scale = 1, $total_y = 0, $space = ''){ /* set defaults */ $total_y=(int)($total_y); if ($scale<1) $scale=2; if ($total_y<1) $total_y=(int)$scale * 60; if (!$space) $space=array('top'=>2*$scale,'bottom'=>2*$scale,'left'=>2*$scale,'right'=>2*$scale); /* generate html-code */ $height=round($total_y-($scale*10)); $height2=round($total_y)-$space['bottom']; $out= ''."\n". ''."\n". ''."\n". ''."\n". '
'."\n". '#'; $width=true; for ($i=0;$i0) $out.=''; $width=false; continue; } if (preg_match("#[a-z]#", $val)){ //hoher strich $val=ord($val)-ord('a')+1; $h=$height2; }else $h=$height; $w=$val*$scale; if ($w>0) $out.=''; $width=true; } $out.= ''. '
'."\n"; //for ($i=0;$i".$line[$i+1]." "; return $out; } /* barcode_encode_genbarcode(code, encoding) * encodes $code with $encoding using genbarcode * * return: * array[encoding] : the encoding which has been used * array[bars] : the bars * array[text] : text-positioning info */ function barcode_encode_genbarcode($code,$encoding){ global $genbarcode_loc; /* delete EAN-13 checksum */ if (preg_match("#^ean$#i", $encoding) && strlen($code)==13) $code=substr($code,0,12); if (!$encoding) $encoding="ANY"; $encoding=preg_replace("#[|\\\\]#", "_", $encoding); $code=preg_replace("#[|\\\\]#", "_", $code); $cmd=$genbarcode_loc." " .escapeshellarg($code)." " .escapeshellarg(strtoupper($encoding)).""; //print "'$cmd'
\n"; $fp=popen($cmd, "r"); if ($fp){ $bars=fgets($fp, 1024); $text=fgets($fp, 1024); $encoding=fgets($fp, 1024); pclose($fp); } else return false; $ret=array( "encoding" => trim($encoding), "bars" => trim($bars), "text" => trim($text) ); if (!$ret['encoding']) return false; if (!$ret['bars']) return false; if (!$ret['text']) return false; return $ret; } /* barcode_encode(code, encoding) * encodes $code with $encoding using genbarcode OR built-in encoder * if you don't have genbarcode only EAN-13/ISBN is possible * * You can use the following encodings (when you have genbarcode): * ANY choose best-fit (default) * EAN 8 or 13 EAN-Code * UPC 12-digit EAN * ISBN isbn numbers (still EAN-13) * 39 code 39 * 128 code 128 (a,b,c: autoselection) * 128C code 128 (compact form for digits) * 128B code 128, full printable ascii * I25 interleaved 2 of 5 (only digits) * 128RAW Raw code 128 (by Leonid A. Broukhis) * CBR Codabar (by Leonid A. Broukhis) * MSI MSI (by Leonid A. Broukhis) * PLS Plessey (by Leonid A. Broukhis) * * return: * array[encoding] : the encoding which has been used * array[bars] : the bars * array[text] : text-positioning info */ function barcode_encode($code,$encoding){ global $genbarcode_loc; if ( ((preg_match("#^ean$#i", $encoding) && ( strlen($code)==12 || strlen($code)==13))) || (($encoding) && (preg_match("#^isbn$#i", $encoding)) && (( strlen($code)==9 || strlen($code)==10) || (((preg_match("#^978#", $code) && strlen($code)==12) || (strlen($code)==13))))) || (( !isset($encoding) || !$encoding || (preg_match("#^ANY$#i", $encoding) )) && (preg_match("#^[0-9]{12,13}$#", $code))) ){ /* use built-in EAN-Encoder */ $bars=barcode_encode_ean($code, $encoding); } else if (file_exists($genbarcode_loc)){ /* use genbarcode */ $bars=barcode_encode_genbarcode($code, $encoding); } else { print "php-barcode needs an external programm for encodings other then EAN/ISBN
\n"; print "\n"; print "
\n"; print "Folke Ashberg's OpenSource PHP-Barcode
\n"; return false; } return $bars; } /* barcode_print(code [, encoding [, scale [, mode ]]] ); * * encodes and prints a barcode * * return: * array[encoding] : the encoding which has been used * array[bars] : the bars * array[text] : text-positioning info */ function barcode_print($code, $encoding="ANY", $scale = 2 ,$mode = "png" ){ $bars=barcode_encode($code,$encoding); if (!$bars) return; if (!$mode) $mode="png"; if (preg_match("#^(text|txt|plain)$#i", $mode)) print barcode_outtext($bars['text'],$bars['bars']); elseif (preg_match("#^(html|htm)$#i", $mode)) print barcode_outhtml($bars['text'],$bars['bars'], $scale,0, 0); else barcode_outimage($bars['text'],$bars['bars'],$scale, $mode); return $bars; } ?>
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