Initial import: Carteasy Shop (Dev-Stand)
This commit is contained in:
Thomas Bartelt
+162
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PHP-Barcode 0.3pl1
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PHP-Barcode generates
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- Barcode-Images using libgd (png, jpg,gif),
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- HTML-Images (using 1x1 pixel and html-table)
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- silly Text-Barcodes
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PHP-Barcode encodes using
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- a built-in EAN-13/ISBN Encoder
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- genbarcode (by Folke Ashberg), a command line
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barcode-encoder which uses GNU-Barcode
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genbarcode can encode EAN-13, EAN-8, UPC, ISBN, 39, 128(a,b,c),
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I25, 128RAW, CBR, MSI, PLS
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genbarcode is available at www.ashberg.de/bar
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(C) 2001,2002,2003,2004 by Folke Ashberg <folke@ashberg.de>
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The newest version can be found at http://www.ashberg.de/bar
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INSTALLATION:
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WHAT YOU NEED TO BE ABLE TO USE PHP-BARCODE
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You need php>4 on your system.
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You need the gd2-extension to be able to render images.
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You need a TrueTypeFont if you want to see the CODE below the bars.
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You need genbarcode (from www.ashberg.de/bar) in you want to use
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another encoding than EAN-12/EAN-12/ISBN
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Copy the following files into your html/php-directory
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- php-barcode.php - main library
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- encode_bars.php - built-in encoders
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optional:
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- barcode.php - Sample-File
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- white.png - for HTML-Images
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- black.png - for HTML-Images
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FONT-Installation
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UNIX:
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A TrueTypeFont isn't included in this distribution!
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Copy one into the html/php-directory and change in php-barcode.php
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$font_loc (change the arialbd.tff to your font name).
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arialbd.ttf from Windows looks great.
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WINDOWS:
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If you use Windows the font should be located automatically.
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OPTIONAL - genbarcode:
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If you want to generate not only EAN-12/EAN-13/ISBN-Codes you have to install
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genbarcode, a small unix-commandline tool which uses GNU-Barcode.
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genbarcode is available http://www.ashberg.de/bar , read genbarcodes
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README for installation.
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If you have installed genbarcode not to /usr/bin set the $genbarcode_loc
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in php-barcode.php .
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TESTING
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If everything works fine you should see an image if you call
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http://localhost/path/barcode.php
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Or call http://localhost/path/barcode.php?code=<CODE>&encoding=<ENCODING>&mode=<png|jpg|gif|html|text>&size=<1,2,3,...>
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If you need more then the sample barcode.php can do, you need to build your own.
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FUNCTIONS - API-Reference
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--------------------------------------------------------------------------
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function barcode_encode(code, encoding)
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encodes $code with $encoding using genbarcode OR built-in encoder
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if you don't have genbarcode only EAN-13/ISBN is possible
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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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return:
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array[encoding] : the encoding which has been used
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array[bars] : the bars
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array[text] : text-positioning info
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--------------------------------------------------------------------------
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function barcode_outimage(text, bars [, scale [, mode [, total_y [, space ]]]] )
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Outputs an image using libgd
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text : the text-line (<position>:<font-size>:<character> ...)
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bars : where to place the bars (<space-width><bar-width><space-width><bar-width>...)
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scale : scale factor ( 1 < scale < unlimited (scale 50 will produce
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5400x300 pixels when
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using EAN-13!!!))
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mode : png,gif,jpg, depending on libgd ! (default='png')
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total_y: the total height of the image ( default: scale * 60 )
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space : space
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default:
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$space[top] = 2 * $scale;
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$space[bottom]= 2 * $scale;
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$space[left] = 2 * $scale;
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$space[right] = 2 * $scale;
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--------------------------------------------------------------------------
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function barcode_outhtml(text, bars [, scale [, total_y [, space ]]] )
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returns(!) HTML-Code for barcode-image using html-code (using a table and with black.png and white.png)
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text : the text-line (<position>:<font-size>:<character> ...)
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bars : where to place the bars (<space-width><bar-width><space-width><bar-width>...)
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scale : scale factor ( 1 < scale < unlimited (scale 50 will produce
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5400x300 pixels when
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using EAN-13!!!))
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total_y: the total height of the image ( default: scale * 60 )
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space : space
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default:
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$space[top] = 2 * $scale;
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$space[bottom]= 2 * $scale;
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$space[left] = 2 * $scale;
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$space[right] = 2 * $scale;
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--------------------------------------------------------------------------
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function barcode_outtext(code, bars)
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Returns (!) a barcode as plain-text
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ATTENTION: this is very silly!
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text : the text-line (<position>:<font-size>:<character> ...)
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bars : where to place the bars (<space-width><bar-width><space-width><bar-width>...)
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--------------------------------------------------------------------------
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For more function see php-barcode.php
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Also see barcode.php or just use them :)
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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 2 of the License, or
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(at your option) any later version.
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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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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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Binary file not shown.
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<?
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/*
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* PHP-Barcode 0.3pl1
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* PHP-Barcode generates
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* - Barcode-Images using libgd2 (png, jpg, gif)
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* - HTML-Images (using 1x1 pixel and html-table)
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||||
* - silly Text-Barcodes
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*
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* PHP-Barcode encodes using
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* - a built-in EAN-13/ISBN Encoder
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||||
* - genbarcode (by Folke Ashberg), a command line
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* barcode-encoder which uses GNU-Barcode
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* genbarcode can encode EAN-13, EAN-8, UPC, ISBN, 39, 128(a,b,c),
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* I25, 128RAW, CBR, MSI, PLS
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* genbarcode is available at www.ashberg.de/bar
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* (C) 2001,2002,2003,2004 by Folke Ashberg <folke@ashberg.de>
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* The newest version can be found at http://www.ashberg.de/bar
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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 2 of the License, or
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* (at your option) any later version.
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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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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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/* CONFIGURATION */
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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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/* location the the ttf-font */
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/* the file arialbd.ttf isn't included! */
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/* SAMPLE1 :
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* use arialbd.ttf located in same directory like the script
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* which includes/requires php-barcode.php
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*/
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//$font_loc=dirname($_SERVER["PATH_TRANSLATED"])."/"."arialbd.ttf";
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$font_loc="arial.ttf";
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/* SAMPLE2 :
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* use font specified by full-path
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*/
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//$font_loc="/path/font.ttf"
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/* Automatic-Detection of Font if running Windows
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* kick this lines if you don't need them! *//*
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if (isset($_ENV['windir']) && file_exists($_ENV['windir'])){
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$font_loc=$_ENV['windir']."\Fonts\arialbd.ttf";
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}*/
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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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//$genbarcode_loc="c:\winnt\genbarcode.exe";
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$genbarcode_loc="/usr/local/bin/genbarcode";
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/* CONFIGURATION ENDS HERE */
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require("encode_bars.func.php"); /* build-in encoders */
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/*
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* barcode_outimage(text, bars [, scale [, mode [, total_y [, space ]]]] )
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*
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* Outputs an image using libgd
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*
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* text : the text-line (<position>:<font-size>:<character> ...)
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* bars : where to place the bars (<space-width><bar-width><space-width><bar-width>...)
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* scale : scale factor ( 1 < scale < unlimited (scale 50 will produce
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* 5400x300 pixels when
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* using EAN-13!!!))
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* mode : png,gif,jpg, depending on libgd ! (default='png')
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* total_y: the total height of the image ( default: scale * 60 )
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* space : space
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* default:
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* $space[top] = 2 * $scale;
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* $space[bottom]= 2 * $scale;
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* $space[left] = 2 * $scale;
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* $space[right] = 2 * $scale;
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*/
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function barcode_outimage($text, $bars, $scale = 1, $mode = "png",
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$total_y = 0, $space = ''){
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global $bar_color, $bg_color, $text_color;
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global $font_loc;
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/* set defaults */
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if ($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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for ($i=0;$i<strlen($bars);$i++){
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$val=strtolower($bars[$i]);
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if ($width){
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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 (ereg("[a-z]", $val)){
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/* tall bar */
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$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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print "You don't have the gd2 extension enabled<BR>\n";
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print "<BR>\n";
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print "<BR>\n";
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print "Short HOWTO<BR>\n";
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print "<BR>\n";
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print "Debian: # apt-get install php4-gd2<BR>\n";
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print "<BR>\n";
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print "SuSE: ask YaST<BR>\n";
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print "<BR>\n";
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print "OpenBSD: # pkg_add /path/php4-gd-4.X.X.tgz (read output, you have to enable it)<BR>\n";
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print "<BR>\n";
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print "Windows: Download the PHP zip package from <A href=\"http://www.php.net/downloads.php\">php.net</A>, 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)<BR>\n";
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print "<BR>\n";
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print "<BR>\n";
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print "The author of php-barcode will give not support on this topic!<BR>\n";
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print "<BR>\n";
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print "<BR>\n";
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print "<A HREF=\"http://www.ashberg.de/bar/\">Folke Ashberg's OpenSource PHP-Barcode</A><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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$width=true;
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for ($i=0;$i<strlen($bars);$i++){
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$val=strtolower($bars[$i]);
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if ($width){
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$xpos+=$val*$scale;
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$width=false;
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continue;
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}
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if (ereg("[a-z]", $val)){
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/* tall bar */
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$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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/* write out the text */
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global $_SERVER;
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$chars=explode(" ", $text);
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reset($chars);
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while (list($n, $v)=each($chars)){
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if (trim($v)){
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$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*$inf[0])+2,
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$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' || $mode=='jpeg'){
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header("Content-Type: image/jpeg; name=\"barcode.jpg\"");
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imagejpeg($im);
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} else if ($mode=='gif'){
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header("Content-Type: image/gif; name=\"barcode.gif\"");
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imagegif($im);
|
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} else {
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header("Content-Type: image/png; name=\"barcode.png\"");
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imagepng($im);
|
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}
|
||||
|
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}
|
||||
|
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/*
|
||||
* barcode_outtext(code, bars)
|
||||
*
|
||||
* Returns (!) a barcode as plain-text
|
||||
* ATTENTION: this is very silly!
|
||||
*
|
||||
* text : the text-line (<position>:<font-size>:<character> ...)
|
||||
* bars : where to place the bars (<space-width><bar-width><space-width><bar-width>...)
|
||||
*/
|
||||
|
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function barcode_outtext($code,$bars){
|
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$width=true;
|
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$xpos=$heigh2=0;
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$bar_line="";
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for ($i=0;$i<strlen($bars);$i++){
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$val=strtolower($bars[$i]);
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if ($width){
|
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$xpos+=$val;
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||||
$width=false;
|
||||
for ($a=0;$a<$val;$a++) $bar_line.="-";
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continue;
|
||||
}
|
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if (ereg("[a-z]", $val)){
|
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$val=ord($val)-ord('a')+1;
|
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$h=$heigh2;
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for ($a=0;$a<$val;$a++) $bar_line.="I";
|
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} else for ($a=0;$a<$val;$a++) $bar_line.="#";
|
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$xpos+=$val;
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$width=true;
|
||||
}
|
||||
return $bar_line;
|
||||
}
|
||||
|
||||
/*
|
||||
* barcode_outhtml(text, bars [, scale [, total_y [, space ]]] )
|
||||
*
|
||||
* returns(!) HTML-Code for barcode-image using html-code (using a table and with black.png and white.png)
|
||||
*
|
||||
* text : the text-line (<position>:<font-size>:<character> ...)
|
||||
* bars : where to place the bars (<space-width><bar-width><space-width><bar-width>...)
|
||||
* 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'];
|
||||
$out=
|
||||
'<Table border=0 cellspacing=0 cellpadding=0 bgcolor="white">'."\n".
|
||||
'<TR><TD><img src=white.png height="'.$space['top'].'" width=1></TD></TR>'."\n".
|
||||
'<TR><TD>'."\n".
|
||||
'<IMG src=white.png height="'.$height2.'" width="'.$space['left'].'">';
|
||||
|
||||
$width=true;
|
||||
for ($i=0;$i<strlen($bars);$i++){
|
||||
$val=strtolower($bars[$i]);
|
||||
if ($width){
|
||||
$w=$val*$scale;
|
||||
if ($w>0) $out.="<IMG src=white.png height=\"$total_y\" width=\"$w\" align=top>";
|
||||
$width=false;
|
||||
continue;
|
||||
}
|
||||
if (ereg("[a-z]", $val)){
|
||||
//hoher strich
|
||||
$val=ord($val)-ord('a')+1;
|
||||
$h=$height2;
|
||||
}else $h=$height;
|
||||
$w=$val*$scale;
|
||||
if ($w>0) $out.='<IMG src="black.png" height="'.$h.'" width="'.$w.'" align=top>';
|
||||
$width=true;
|
||||
}
|
||||
$out.=
|
||||
'<IMG src=white.png height="'.$height2.'" width=".'.$space['right'].'">'.
|
||||
'</TD></TR>'."\n".
|
||||
'<TR><TD><img src="white.png" height="'.$space['bottom'].'" width="1"></TD></TR>'."\n".
|
||||
'</TABLE>'."\n";
|
||||
//for ($i=0;$i<strlen($bars);$i+=2) print $line[$i]."<B>".$line[$i+1]."</B> ";
|
||||
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 $genbarcode_loc;
|
||||
/* delete EAN-13 checksum */
|
||||
if (eregi("^ean$", $encoding) && strlen($code)==13) $code=substr($code,0,12);
|
||||
if (!$encoding) $encoding="ANY";
|
||||
$encoding=ereg_replace("[|\\]", "_", $encoding);
|
||||
$code=ereg_replace("[|\\]", "_", $code);
|
||||
$cmd=$genbarcode_loc." \""
|
||||
.str_replace("\"", "\\\"",$code)."\" \""
|
||||
.str_replace("\"", "\\\"",strtoupper($encoding))."\"";
|
||||
//print "'$cmd'<BR>\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 $genbarcode_loc;
|
||||
if (
|
||||
((eregi("^ean$", $encoding)
|
||||
&& ( strlen($code)==12 || strlen($code)==13)))
|
||||
|
||||
|| (($encoding) && (eregi("^isbn$", $encoding))
|
||||
&& (( strlen($code)==9 || strlen($code)==10) ||
|
||||
(((ereg("^978", $code) && strlen($code)==12) ||
|
||||
(strlen($code)==13)))))
|
||||
|
||||
|| (( !isset($encoding) || !$encoding || (eregi("^ANY$", $encoding) ))
|
||||
&& (ereg("^[0-9]{12,13}$", $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<BR>\n";
|
||||
print "<UL>\n";
|
||||
print "<LI>download gnu-barcode from <A href=\"http://www.gnu.org/software/barcode/\">www.gnu.org/software/barcode/</A>\n";
|
||||
print "<LI>compile and install them\n";
|
||||
print "<LI>download genbarcode from <A href=\"http://www.ashberg.de/bar/\">www.ashberg.de/bar/</A>\n";
|
||||
print "<LI>compile and install them\n";
|
||||
print "<LI>specify path the genbarcode in php-barcode.php\n";
|
||||
print "</UL>\n";
|
||||
print "<BR>\n";
|
||||
print "<A HREF=\"http://www.ashberg.de/bar/\">Folke Ashberg's OpenSource PHP-Barcode</A><BR>\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) $mode="png";
|
||||
if (eregi($mode,"^(text|txt|plain)$")) print barcode_outtext($bars['text'],$bars['bars']);
|
||||
elseif (eregi($mode,"^(html|htm)$")) print barcode_outhtml($bars['text'],$bars['bars'], $scale,0, 0);
|
||||
else barcode_outimage($bars['text'],$bars['bars'],$scale, $mode);
|
||||
return $bars;
|
||||
}
|
||||
|
||||
?>
|
||||
Binary file not shown.
|
After Width: | Height: | Size: 138 B |
@@ -0,0 +1,14 @@
|
||||
<?php
|
||||
|
||||
if (strlen($_GET['ean']) == 13 && is_numeric($_GET['ean'])) {
|
||||
|
||||
|
||||
require("barcode.class.php");
|
||||
|
||||
barcode_print($_GET['ean'], 'EAN', 1.9, 'png');
|
||||
|
||||
}
|
||||
|
||||
|
||||
|
||||
?>
|
||||
@@ -0,0 +1,91 @@
|
||||
<?
|
||||
/*
|
||||
|
||||
* 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
|
||||
);
|
||||
}
|
||||
|
||||
?>
|
||||
Binary file not shown.
|
After Width: | Height: | Size: 138 B |
Reference in New Issue
Block a user