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This commit is contained in:
Andreas Moik
2016-07-27 17:18:38 +02:00
parent 4edc917b3d
commit 6d0f5d2bec
6 changed files with 400 additions and 1 deletions
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include/pdf.class.php
+107
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@@ -0,0 +1,107 @@
<?php
/* Copyright (C) 2016 fhcomplete.org
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307, USA.
*
* Authors: Andreas Moik <moik@technikum-wien.at>.
*/
class Pdf
{
public $errormsg = "";
/**
* Fügt beliebig viele PDF Dateien zu einer zusammen
* @param array $files Array mit Dateien
* @param string $outFile Zieldatei
* @return boolean
*/
public function merge($files, $outFile)
{
$cmd = "gs -q -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -sOutputFile=$outFile ";
$finfo = finfo_open(FILEINFO_MIME_TYPE);
// add all pdf files to the command
foreach($files as $f)
{
$cmd .= $f." ";
if(!file_exists($f))
{
$this->errormsg = "File not found: '$f'";
return false;
}
if(finfo_file($finfo, $f) != "application/pdf")
{
$this->errormsg = "Wrong format: '$f'";
return false;
}
}
finfo_close($finfo);
exec($cmd, $out, $ret);
if($ret!=0)
{
$this->errormsg = 'PDF-zusammenfuegung ist derzeit nicht möglich. Bitte informieren Sie den Administrator';
return false;
}
return true;
}
/**
* Konvertiert eine jpeg Datei zu einer PDF
* @param string $image jpeg Datei
* @param string $outFile Zieldatei
* @return boolean
*/
public function jpegToPdf($image, $outFile)
{
if(!file_exists($image))
{
$this->errormsg = "File not found: '$image'";
return false;
}
$s = getimagesize($image);
/*
* längere Seite ermitteln
* Hochformat wenn die Seiten gleich lang sind.
*/
if($s[0] > $s[1])
{
$height = 595;
$width = 842;
}
else
{
$height = 842;
$width = 595;
}
// -r300 = 300 ppi
$cmd = 'gs -q -dNOPAUSE -dBATCH -sDEVICE=pdfwrite -r100 -o '.$outFile.' viewjpeg.ps -c "('.$image.') << /PageSize [' . $width . ' ' . $height .'] /.HWMargins [18 18 18 13.5] /countspaces { [ exch { dup 32 ne { pop } if } forall ] length } bind def >> setpagedevice viewJPEG"';
exec($cmd, $out, $ret);
if($ret!=0)
{
$this->errormsg = 'jpegToPdf ist derzeit nicht möglich. Bitte informieren Sie den Administrator';
return false;
}
return true;
}
}