X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?a=blobdiff_plain;f=src%2FgdcmJPEGFragmentsInfo.cxx;h=3102c4f3851427c07649f1f489066af312d94b0a;hb=fc4f7706c78baf3f60474c06d871b82db221f37b;hp=ddfaaabd5d55cfed55a3f36191e5f04be58ee2a8;hpb=0ad9dae4659b21bfd5c834c1af724eab4dcdf4f6;p=gdcm.git

diff --git a/src/gdcmJPEGFragmentsInfo.cxx b/src/gdcmJPEGFragmentsInfo.cxx
index ddfaaabd..3102c4f3 100644
--- a/src/gdcmJPEGFragmentsInfo.cxx
+++ b/src/gdcmJPEGFragmentsInfo.cxx
@@ -3,8 +3,8 @@
   Program:   gdcm
   Module:    $RCSfile: gdcmJPEGFragmentsInfo.cxx,v $
   Language:  C++
-  Date:      $Date: 2005/01/23 10:12:34 $
-  Version:   $Revision: 1.8 $
+  Date:      $Date: 2007/05/23 14:18:10 $
+  Version:   $Revision: 1.21 $
                                                                                 
   Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
   l'Image). All rights reserved. See Doc/License.txt or
@@ -17,10 +17,18 @@
 =========================================================================*/
 
 #include "gdcmJPEGFragmentsInfo.h"
+#include "gdcmDebug.h"
+
 #include <fstream>
 
-namespace gdcm 
+namespace GDCM_NAME_SPACE 
+{
+//-------------------------------------------------------------------------
+// Constructor / Destructor
+JPEGFragmentsInfo::JPEGFragmentsInfo()
 {
+   StateSuspension = 0;
+}
 
 /**
  * \brief Default destructor
@@ -36,6 +44,61 @@ JPEGFragmentsInfo::~JPEGFragmentsInfo()
    Fragments.clear();
 }
 
+//-----------------------------------------------------------------------------
+// Public
+void JPEGFragmentsInfo::DecompressFromFile(std::ifstream *fp, uint8_t *buffer, int nBits, int , int )
+{
+   // Pointer to the Raw image
+   uint8_t *localRaw = buffer;
+
+  // Loop on the fragment[s]
+   JPEGFragmentsList::const_iterator it;
+   for( it  = Fragments.begin();
+        it != Fragments.end();
+        ++it )
+   {
+     (*it)->DecompressJPEGFramesFromFile(fp, localRaw, nBits, StateSuspension);
+     // update pointer to image after some scanlines read:
+     localRaw = (*it)->GetImage();
+   }
+}
+
+void JPEGFragmentsInfo::AddFragment(JPEGFragment *fragment)
+{
+   Fragments.push_back(fragment);
+}
+
+JPEGFragment *JPEGFragmentsInfo::GetFirstFragment()
+{
+   ItFragments = Fragments.begin();
+   if (ItFragments != Fragments.end())
+      return  *ItFragments;
+   return NULL;
+}
+
+JPEGFragment *JPEGFragmentsInfo::GetNextFragment()
+{
+   gdcmAssertMacro (ItFragments != Fragments.end());
+
+   ++ItFragments;
+   if (ItFragments != Fragments.end())
+      return  *ItFragments;
+   return NULL;
+}
+
+unsigned int JPEGFragmentsInfo::GetFragmentCount()
+{
+   return Fragments.size();
+}
+
+//-----------------------------------------------------------------------------
+// Protected
+
+//-----------------------------------------------------------------------------
+// Private
+
+//-----------------------------------------------------------------------------
+// Print
 /**
  * \brief        Print self.
  * @param os     Stream to print to.
@@ -62,44 +125,5 @@ void JPEGFragmentsInfo::Print( std::ostream &os, std::string const &indent )
    os << std::endl;
 }
 
-/**
- * \brief  Calculate sum of all fragments length and return total
- * @return Total size of JPEG fragments length
- */
-size_t JPEGFragmentsInfo::GetFragmentsLength()
-{
-   // Loop on the fragment[s] to get total length
-   size_t totalLength = 0;
-   JPEGFragmentsList::const_iterator it;
-   for( it  = Fragments.begin();
-        it != Fragments.end();
-        ++it )
-   {
-      totalLength += (*it)->Length;
-   }
-   return totalLength;
-}
-
-/**
- * \brief Read the all the JPEG Fragment into the input buffer
- */
-void JPEGFragmentsInfo::ReadAllFragments(std::ifstream *fp, JOCTET *buffer )
-{
-   JOCTET *p = buffer;
-
-   // Loop on the fragment[s]
-   JPEGFragmentsList::const_iterator it;
-   for( it  = Fragments.begin();
-        it != Fragments.end();
-        ++it )
-   {
-      fp->seekg( (*it)->Offset, std::ios::beg);
-      size_t len = (*it)->Length;
-      fp->read((char *)p,len);
-      p += len;
-   }
-
-}
-
+//-----------------------------------------------------------------------------
 } // end namespace gdcm
-