From: jpr <jpr>
Date: Wed, 29 Jun 2005 15:58:33 +0000 (+0000)
Subject: Add the NO_SHADOWSEQ load mode
X-Git-Tag: Version1.2.bp~398
X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=commitdiff_plain;h=a36f19bbc17a18bb85e99c11e6290642189ec6a2;p=gdcm.git

Add the NO_SHADOWSEQ load mode
---

diff --git a/src/gdcmDocument.cxx b/src/gdcmDocument.cxx
index fd3758e0..ce90658f 100644
--- a/src/gdcmDocument.cxx
+++ b/src/gdcmDocument.cxx
@@ -3,8 +3,8 @@
   Program:   gdcm
   Module:    $RCSfile: gdcmDocument.cxx,v $
   Language:  C++
-  Date:      $Date: 2005/06/24 10:53:46 $
-  Version:   $Revision: 1.251 $
+  Date:      $Date: 2005/06/29 15:58:33 $
+  Version:   $Revision: 1.252 $
                                                                                 
   Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
   l'Image). All rights reserved. See Doc/License.txt or
@@ -994,7 +994,8 @@ void Document::ParseDES(DocEntrySet *set, long offset,
       }
       else
       {
-         // VR = "SQ"
+         /////////////////////// SeqEntry :  VR = "SQ"
+
          unsigned long l = newDocEntry->GetReadLength();          
          if ( l != 0 ) // don't mess the delim_mode for zero-length sequence
          {
@@ -1008,8 +1009,20 @@ void Document::ParseDES(DocEntrySet *set, long offset,
             }
          }
  
-         if ( (LoadMode & NO_SEQ) && ! delim_mode ) // User asked to skip SQ
+        if ( (LoadMode & NO_SHADOWSEQ) && ! delim_mode )
+        { 
+           // User asked to skip SQ only if they belong to Shadow group
+           if ( newDocEntry->GetGroup()%2 != 0 )
+           {
+              Fp->seekg( l, std::ios::cur);
+              used = false;
+              continue;  
+           } 
+        } 
+ 
+         if ( (LoadMode & NO_SEQ) && ! delim_mode ) 
          {
+           // User asked to skip *any* SeQuence
             Fp->seekg( l, std::ios::cur);
             used = false;
             continue;
@@ -2104,7 +2117,7 @@ DocEntry *Document::ReadNextDocEntry()
 
 /**
  * \brief   Handle broken private tag from Philips NTSCAN
- *          where the endianess is being switch to BigEndian for no
+ *          where the endianess is being switched to BigEndian for no
  *          apparent reason
  * @return  no return
  */
diff --git a/src/gdcmDocument.h b/src/gdcmDocument.h
index d164af6a..0ee2f3a0 100644
--- a/src/gdcmDocument.h
+++ b/src/gdcmDocument.h
@@ -3,8 +3,8 @@
   Program:   gdcm
   Module:    $RCSfile: gdcmDocument.h,v $
   Language:  C++
-  Date:      $Date: 2005/06/03 09:05:15 $
-  Version:   $Revision: 1.112 $
+  Date:      $Date: 2005/06/29 15:58:33 $
+  Version:   $Revision: 1.113 $
  
   Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
   l'Image). All rights reserved. See Doc/License.txt or
@@ -28,9 +28,10 @@
 #include <list>
 #include <fstream>
 
-#define NO_SEQ    0x0000001
-#define NO_SHADOW 0x00000002
-
+#define NO_SEQ        0x00000001  // Don't load odd groups
+#define NO_SHADOW     0x00000002  // Don't load Sequences
+#define NO_SHADOWSEQ  0x00000004  // Don't load Sequences if they belong to odd group
+                                  // (*exclusive* from NO_SEQ and NO_SHADOW)
 namespace gdcm 
 {
 class ValEntry;
@@ -100,7 +101,8 @@ typedef std::list<Element> ListElements;
 
 /**
  * \brief Sets the LoadMode as a boolean string. 
- *        NO_SEQ, NO_SHADOW, ... (nothing more, right now)
+ *        NO_SEQ, NO_SHADOW, NO_SHADOWSEQ
+ ... (nothing more, right now)
  *        WARNING : before using NO_SHADOW, be sure *all* your files
  *        contain accurate values in the 0x0000 element (if any) 
  *        of *each* Shadow Group. The parser will fail if the size is wrong !
@@ -164,7 +166,7 @@ protected:
    /// \brief Bit string integer (each one considered as a boolean)
    ///        Bit 0 : Skip Sequences,    if possible
    ///        Bit 1 : Skip Shadow Groups if possible
-   ///        Some more to add
+   ///        Probabely, some more to add
    int LoadMode;
    
    /// Whether the gdcm::Document is already parsed/loaded