]> Creatis software - gdcm.git/blobdiff - Testing/TestCopyDicom.cxx
Fix mistypings
[gdcm.git] / Testing / TestCopyDicom.cxx
index 0225453919dc50341f12ec1d33418a71f5663b89..698828b8cf20a010ca6abaf501af361d52f8e0a5 100644 (file)
-#include "gdcmHeader.h"
+/*=========================================================================
+                                                                                
+  Program:   gdcm
+  Module:    $RCSfile: TestCopyDicom.cxx,v $
+  Language:  C++
+  Date:      $Date: 2007/10/30 09:13:45 $
+  Version:   $Revision: 1.44 $
+                                                                                
+  Copyright (c) CREATIS (Centre de Recherche et d'Applications en Traitement de
+  l'Image). All rights reserved. See Doc/License.txt or
+  http://www.creatis.insa-lyon.fr/Public/Gdcm/License.html for details.
+                                                                                
+     This software is distributed WITHOUT ANY WARRANTY; without even
+     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
+     PURPOSE.  See the above copyright notices for more information.
+                                                                                
+=========================================================================*/
 #include "gdcmFile.h"
+#include "gdcmFileHelper.h"
+#include "gdcmDataEntry.h"
+
+//Generated file:
+#include "gdcmDataImages.h"
 
 // return true if the file exists
-bool FileExists(const char* filename)
-{
-#ifdef _MSC_VER
-# define access _access
-#endif
-#ifndef R_OK
-# define R_OK 04
-#endif
-  if ( access(filename, R_OK) != 0 )
-    {
-    return false;
-    }
-  else
-    {
-    return true;
-    }
-}
+bool FileExists(const char *filename);
+bool RemoveFile(const char *source);
 
-bool RemoveFile(const char* source)
+int CopyDicom(std::string const &filename, 
+              std::string const &output )
 {
-#ifdef _MSC_VER
-#define _unlink unlink
-#endif
-  return unlink(source) != 0 ? false : true;
-}
+      std::cout << "   Testing: " << filename << std::endl;
+      if( FileExists( output.c_str() ) )
+      {
+         if( !RemoveFile( output.c_str() ) )
+         {
+            std::cout << "Ouch, the file exist, but I cannot remove it" << std::endl;
+            return 1;
+         }
+      }
 
-// Here we load a gdcmFile and then try to create from scratch a copy of it,
-// copying field by field the dicom image
+      //////////////// Step 1:
+      std::cout << "      1...";
+      GDCM_NAME_SPACE::File *originalH = GDCM_NAME_SPACE::File::New();
+      GDCM_NAME_SPACE::File *copyH     = GDCM_NAME_SPACE::File::New();
 
-int TestCopyDicom(int argc, char* argv[])
-{
-   if (argc < 3)
-   {
-      std::cerr << "Usage :" << std::endl << 
-      argv[0] << " input_dicom output_dicom" << std::endl;
-      return 1;
-   }
 
-   if( FileExists( argv[2] ) )
-   {
-      std::cerr << "Don't try to cheat, I am removing the file anyway" << std::endl;
-      if( !RemoveFile( argv[2] ) )
+      originalH->SetFileName( filename );
+      originalH->Load( );
+      //First of all copy the file, field by field
+
+      //////////////// Step 2:
+      std::cout << "2...";
+      GDCM_NAME_SPACE::DocEntry *d=originalH->GetFirstEntry();
+      while(d)
       {
-         std::cerr << "Ouch, the file exist, but I cannot remove it" << std::endl;
+         if ( GDCM_NAME_SPACE::DataEntry *de = dynamic_cast<GDCM_NAME_SPACE::DataEntry *>(d) )
+         {              
+            copyH->InsertEntryBinArea( de->GetBinArea(),de->GetLength(),
+                                       de->GetGroup(),de->GetElement(),
+                                       de->GetVR() );
+         }
+         else
+         {
+          // We skip pb of SQ recursive exploration
+         }
+
+         d=originalH->GetNextEntry();
+      }
+      GDCM_NAME_SPACE::FileHelper *original = GDCM_NAME_SPACE::FileHelper::New(originalH);
+      GDCM_NAME_SPACE::FileHelper *copy     = GDCM_NAME_SPACE::FileHelper::New(copyH);
+
+      size_t dataSize = original->GetImageDataSize();
+      uint8_t *imageData = original->GetImageData();
+
+      // Useless to set the image data, because it's already made when
+      // copying the corresponding DataEntry that contains the pixel data
+      
+      // --> FIXME : Why do we let the following line?
+      //             to avoid compile time warnings?
+      copy->SetImageData(imageData, dataSize);
+
+      //////////////// Step 3:
+      std::cout << "3...";
+      copy->SetWriteModeToRGB();
+      if( !copy->WriteDcmExplVR(output) )
+      {
+         std::cout << " Failed" << std::endl
+                   << "       " << output << " not written" << std::endl;
+
+         original->Delete();
+         copy->Delete();
+         originalH->Delete();
+         copyH->Delete();
+
          return 1;
       }
-   }
-   gdcmFile *original = new gdcmFile( argv[1] );
-   gdcmFile *copy = new gdcmFile( argv[2] );
 
-   //First of all copy the header field by field
-   TagNameHT & nameHt = original->GetHeader()->GetPubDict()->GetEntriesByName();
-   for (TagNameHT::iterator tag = nameHt.begin(); tag != nameHt.end(); ++tag)
-   {
-      std::cerr << "Reading: " << tag->second->GetVR() << std::endl;
+      copy->Delete();
+      copyH->Delete();
 
-      copy->GetHeader()->ReplaceOrCreateByNumber( tag->second->GetVR(), 
-            tag->second->GetGroup(), tag->second->GetElement() );
-   }
+      //////////////// Step 4:
+      std::cout << "4...";
+//      copy = new GDCM_NAME_SPACE::FileHelper( output );
+      copy = GDCM_NAME_SPACE::FileHelper::New(output);  // ???
+      //Is the file written still gdcm parsable ?
+      if ( !copy->GetFile()->IsReadable() )
+      { 
+         std::cout << " Failed" << std::endl
+                   << "        " << output << " not readable" << std::endl;
 
-   size_t dataSize = original->GetImageDataSize();
-   void *imageData = original->GetImageData();
+         original->Delete();
+         originalH->Delete();
 
-   copy->SetImageData(imageData, dataSize);
-   //original->GetHeader()->SetImageDataSize(dataSize);
+         return 1;
+      }
+
+      //////////////// Step 5:
+      std::cout << "5...";
+      size_t    dataSizeWritten = copy->GetImageDataSize();
+      uint8_t *imageDataWritten = copy->GetImageData();
 
-   //copy->GetHeader()->PrintEntry();
+      if (dataSize != dataSizeWritten)
+      {
+         std::cout << " Failed" << std::endl
+                   << "        Pixel areas lengths differ: "
+                   << dataSize << " # " << dataSizeWritten << std::endl;
 
-   copy->WriteDcmExplVR( argv[2] );
+         original->Delete();
+         copy->Delete();
+         originalH->Delete();
 
-   return 0;
+         return 1;
+      }
+
+      if (int res = memcmp(imageData, imageDataWritten, dataSize) !=0)
+      {
+         (void)res;
+         std::cout << " Failed" << std::endl
+                   << "        Pixel differ (as expanded in memory)." << std::endl;
+
+         original->Delete();
+         copy->Delete();
+         originalH->Delete();
+
+         return 1;
+      }
+      std::cout << "OK." << std::endl ;
+
+      original->Delete();
+      copy->Delete();
+      originalH->Delete();
+
+      return 0;
 }
 
+// Here we load a gdcmFile and then try to create from scratch a copy of it,
+// copying field by field the dicom image
+
+int TestCopyDicom(int argc, char *argv[])
+{
+   if ( argc == 3 )
+   {
+      // The test is specified a specific filename, use it instead of looping
+      // over all images
+      const std::string input = argv[1];
+      const std::string reference = argv[2];
+      return CopyDicom( input, reference );
+   }
+   else if ( argc > 3 || argc == 2 )
+   {
+      std::cout << "   Usage: " << argv[0]
+                << " (no arguments needed)." << std::endl;
+      std::cout << "or   Usage: " << argv[0]
+                << " filename.dcm reference.dcm" << std::endl;
+      return 1;
+   }
+   // else other cases:
+
+   std::cout << "   Description (Test::TestCopyDicom): "
+             << std::endl;
+   std::cout << "   For all images in gdcmData (and not blacklisted in "
+                "Test/CMakeLists.txt)"
+             << std::endl;
+   std::cout << "   apply the following to each filename.xxx: "
+             << std::endl;
+   std::cout << "   step 1: parse the image (as gdcmFile) and call"
+             << " IsReadable(). After that, call GetImageData() and "
+             << "GetImageDataSize() "
+             << std::endl;
+   std::cout << "   step 2: create a copy of the readed file and the new"
+             << " pixel data are set to the copy"
+             << std::endl;
+   std::cout << "   step 3: write the copy of the image"
+             << std::endl;
+   std::cout << "   step 4: read the copy and call IsReadable()"
+             << std::endl;
+   std::cout << "   step 5: compare (in memory with memcmp) that the two "
+             << "images " << std::endl
+             << "           match (as expanded by gdcm)." << std::endl;
+   std::cout << std::endl;
+
+   int i =0;
+   int retVal = 0;  //by default this is an error
+   while( gdcmDataImages[i] != 0 )
+   {
+      std::string filename = GDCM_DATA_ROOT;
+      filename += "/";  //doh!
+      filename += gdcmDataImages[i];
+
+      std::string output = "output.dcm";
 
+      if( CopyDicom( filename, output ) != 0 )
+      {
+         retVal++;
+      }
+
+      i++;
+   }
+   return retVal;
+}