phpbarcode.modules.php

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<?php
/* Copyright (C) 2005-2013 Laurent Destailleur  <eldy@users.sourceforge.net>
 * Copyright (C) 2005      Regis Houssin        <regis.houssin@inodbox.com>
 *
 * 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 3 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, see <https://www.gnu.org/licenses/>.
 * or see https://www.gnu.org/
 */

require_once DOL_DOCUMENT_ROOT.'/core/modules/barcode/modules_barcode.class.php';
require_once DOL_DOCUMENT_ROOT.'/core/lib/barcode.lib.php'; // This is to include def like $genbarcode_loc and $font_loc


class modPhpbarcode extends ModeleBarCode
{
  public $version = 'dolibarr'; // 'development', 'experimental', 'dolibarr'

  public $error = '';


  public function isEnabled()
  {
    return true;
  }


  public function info()
  {
    global $langs;

    $key = 'BarcodeInternalEngine';
    $trans = $langs->trans('BarcodeInternalEngine');

    return ($trans != $key) ? $trans : 'Internal engine';
  }

  public function canBeActivated()
  {
    global $langs;

    return true;
  }


  public function encodingIsSupported($encoding)
  {
    global $genbarcode_loc;
    //print 'genbarcode_loc='.$genbarcode_loc.' encoding='.$encoding;exit;

    $supported = 0;
    if ($encoding == 'EAN13') $supported = 1;
    if ($encoding == 'ISBN')  $supported = 1;
    // Formats that hangs on Windows (when genbarcode.exe for Windows is called, so they are not
    // activated on Windows)
    if (file_exists($genbarcode_loc) && empty($_SERVER["WINDIR"])) {
      if ($encoding == 'EAN8')  $supported = 1;
      if ($encoding == 'UPC')   $supported = 1;
      if ($encoding == 'C39')   $supported = 1;
      if ($encoding == 'C128')  $supported = 1;
    }
    return $supported;
  }

  public function buildBarCode($code, $encoding, $readable = 'Y', $scale = 1, $nooutputiferror = 0)
  {
    global $_GET, $_SERVER;
    global $conf;
    global $genbarcode_loc, $bar_color, $bg_color, $text_color, $font_loc;

    if (!$this->encodingIsSupported($encoding)) return -1;

    if ($encoding == 'EAN8' || $encoding == 'EAN13') $encoding = 'EAN';
    if ($encoding == 'C39' || $encoding == 'C128')   $encoding = substr($encoding, 1);

    $mode = 'png';

    $_GET["code"] = $code;
    $_GET["encoding"] = $encoding;
    $_GET["scale"] = $scale;
    $_GET["mode"] = $mode;

    dol_syslog(get_class($this)."::buildBarCode $code,$encoding,$scale,$mode");
    if ($code) $result = barcode_print($code, $encoding, $scale, $mode);

    if (!is_array($result))
    {
      $this->error = $result;
      if (empty($nooutputiferror)) print $this->error;
      return -1;
    }

    return 1;
  }

  public function writeBarCode($code, $encoding, $readable = 'Y', $scale = 1, $nooutputiferror = 0)
  {
    global $conf, $filebarcode;

    dol_mkdir($conf->barcode->dir_temp);

    $file = $conf->barcode->dir_temp.'/barcode_'.$code.'_'.$encoding.'.png';

    $filebarcode = $file; // global var to be used in barcode_outimage called by barcode_print in buildBarCode

    $result = $this->buildBarCode($code, $encoding, $readable, $scale, $nooutputiferror);

    return $result;
  }
}