From 12c15fba0c09aa94939c1d7001e3e7d35959aefa Mon Sep 17 00:00:00 2001
From: Dany De Bontridder <dany@alchimerys.be>
Date: Tue, 2 Feb 2016 15:28:42 +0100
Subject: [PATCH] Fix problem with PDF , the forced conversion to image and
 back to PDF doesnt work properly, it works better with ps2pdf and pdf2ps

---
 include/class/class_document_export.php | 21 ++++++++++++++++++---
 include/constant.php                    | 21 ++++++++++++++++++++-
 2 files changed, 38 insertions(+), 4 deletions(-)

diff --git a/include/class/class_document_export.php b/include/class/class_document_export.php
index 2dfee92cd..50fa05967 100644
--- a/include/class/class_document_export.php
+++ b/include/class/class_document_export.php
@@ -168,10 +168,12 @@ class Document_Export
             
             //-----------------------------------
             // Fix broken PDF , actually pdftk can not handle all the PDF
-            if ( FIX_BROKEN_PDF == 'YES' ) {
-                $stmpt = CONVERT_GIF_PDF." ". escapeshellarg($this->store_convert . '/' . $file_pdf)." ". escapeshellarg($this->store_convert . '/' . $file_pdf.'tmp');
+            if ( FIX_BROKEN_PDF == 'YES' && PDF2PS != 'NOT' && PS2PDF != 'NOT') {
+                
+                $stmpt = PDF2PS." ". escapeshellarg($this->store_convert . '/' . $file_pdf)." ". escapeshellarg($this->store_convert . '/' . $file_pdf.'.ps');
+                
                 passthru($stmpt,$status);
-                rename ($this->store_convert . '/' . $file_pdf.'tmp',$this->store_convert . '/' . $file_pdf);
+                
                 if ($status <> 0)
                 {
                     $this->feedback[$cnt_feedback]['file'] = $this->store_convert . '/' . $file_pdf;
@@ -180,6 +182,19 @@ class Document_Export
                     $cnt_feedback++;
                     continue;
                 }
+                $stmpt = PS2PDF." ". escapeshellarg($this->store_convert . '/' . $file_pdf.'.ps')." ". escapeshellarg($this->store_convert . '/' . $file_pdf.'.2');
+                
+                passthru($stmpt,$status);
+                
+                if ($status <> 0)
+                {
+                    $this->feedback[$cnt_feedback]['file'] = $this->store_convert . '/' . $file_pdf;
+                    $this->feedback[$cnt_feedback]['message'] = ' cannot force to PDF';
+                    $this->feedback[$cnt_feedback]['error'] = $status;
+                    $cnt_feedback++;
+                    continue;
+                }
+                rename ($this->store_convert . '/' . $file_pdf.'.2',$this->store_convert . '/' . $file_pdf);
             }
             // output
             $output = $this->store_convert . '/stamp_' . $file_pdf;
diff --git a/include/constant.php b/include/constant.php
index 655e629ec..fec5988af 100644
--- a/include/constant.php
+++ b/include/constant.php
@@ -44,7 +44,7 @@ if ( !defined("NOALYSS_PLUGIN")) define ("NOALYSS_PLUGIN",$g_ext_dir);
 if ( !defined("NOALYSS_INCLUDE")) define ("NOALYSS_INCLUDE",$g_include_dir);
 if ( !defined("NOALYSS_TEMPLATE")) define ("NOALYSS_TEMPLATE",$g_template_dir);
 // pdftk can deal with all the PDF , for some of them it is preferable to fix it
-// with convert
+// with convert , see also PDF2PS and PS2PDF if yes
 if ( !defined("FIX_BROKEN_PDF")) define ("FIX_BROKEN_PDF",'NO');
 
 require_once NOALYSS_INCLUDE.'/constant.security.php';
@@ -236,7 +236,26 @@ if (file_exists($convert_gif_pdf))
     define ('CONVERT_GIF_PDF','NOT');
     
 }
+/**
+ * PDF2PS is used when the PDF is broken , used with FIX_BROKEN_PDF
+ */
+$pdf2ps='/usr/bin/pdf2ps';
 
+if ( ! file_exists($pdf2ps) ) 
+    define ('PDF2PS','NOT');
+ else
+    define ('PDF2PS',$pdf2ps);
+/**
+ * PS2PDF is used when the PDF is broken , used with FIX_BROKEN_PDF
+ */
+$ps2pdf='/usr/bin/ps2pdf';
+
+if ( ! file_exists($ps2pdf) ) 
+    define ('PS2PDF','NOT');
+ else
+    define ('PS2PDF',$ps2pdf);
+
+ 
 /**
  * Outil pour manipuler les PDF 
  */