From 73d23d0da1d6ff657c01d1fb78f6ec876736afb3 Mon Sep 17 00:00:00 2001
From: jpr <jpr>
Date: Fri, 2 Apr 2004 15:45:06 +0000
Subject: [PATCH]      * FIX : gdcmParser::WriteEntryTagVRLength emprovement of
 special treatement              for Philips spurious Tag fffe|0000 while
 rewritting Dicom files

---
 src/gdcmParser.cxx | 18 +++++++++++-------
 1 file changed, 11 insertions(+), 7 deletions(-)

diff --git a/src/gdcmParser.cxx b/src/gdcmParser.cxx
index 8c650206..e413ee1e 100644
--- a/src/gdcmParser.cxx
+++ b/src/gdcmParser.cxx
@@ -374,6 +374,10 @@ bool gdcmParser::Write(FILE *fp, FileType type) {
 
 /* TODO : rewrite later, if really usefull
 
+--> Warning : un-updated odd groups lengths can causes pb 
+-->           (xmedcon breaks)
+--> to be re- written with future org.
+
    if ( (type == ImplicitVR) || (type == ExplicitVR) )
       UpdateGroupLength(false,type);
    if ( type == ACR)
@@ -948,8 +952,14 @@ void gdcmParser::WriteEntryTagVRLength(gdcmHeaderEntry *tag,
    guint16 el     = tag->GetElement();
    guint32 lgr    = tag->GetReadLength();
 
+   if ( (group == 0xfffe) && (el == 0x0000) ) 
+     // Fix in order to make some MR PHILIPS images e-film readable
+     // see gdcmData/gdcm-MR-PHILIPS-16-Multi-Seq.dcm:
+     // we just *always* ignore spurious fffe|0000 tag !   
+      return; 
+
    fwrite ( &group,(size_t)2 ,(size_t)1 ,_fp);  //group
-   fwrite ( &el,(size_t)2 ,(size_t)1 ,_fp);  //element
+   fwrite ( &el,(size_t)2 ,(size_t)1 ,_fp);     //element
       
    if ( type == ExplicitVR ) {
 
@@ -959,12 +969,6 @@ void gdcmParser::WriteEntryTagVRLength(gdcmHeaderEntry *tag,
          // Hence we skip writing the VR and length and we pad by writing
          // 0xffffffff
 
-         if (el == 0x0000)
-            // Fix in order to make some MR PHILIPS images e-film readable
-            // see gdcmData/gdcm-MR-PHILIPS-16-Multi-Seq.dcm:
-            // we just ignore spurious fffe|0000 tag !
-            return;
-
          int ff=0xffffffff;
          fwrite (&ff,(size_t)4 ,(size_t)1 ,_fp);
          return;
-- 
2.48.1