Program: gdcm
Module: $RCSfile: TestCopyRescaleDicom.cxx,v $
Language: C++
- Date: $Date: 2005/01/25 15:44:22 $
- Version: $Revision: 1.11 $
+ Date: $Date: 2005/10/18 08:35:46 $
+ 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
=========================================================================*/
#include "gdcmFile.h"
#include "gdcmFileHelper.h"
-#include "gdcmValEntry.h"
-#include "gdcmBinEntry.h"
+#include "gdcmDataEntry.h"
+
+#include <time.h>
+#include <sys/times.h>
+#include <iomanip> // for std::ios::left, ...
//Generated file:
#include "gdcmDataImages.h"
-bool FileExists(const char* filename);
+#ifndef _WIN32
+#include <unistd.h> //for access, unlink
+#else
+#include <io.h> //for _access on Win32
+#endif
+
+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 RemoveFile(const char* source);
+bool RemoveFile(const char *source)
+{
+#ifdef _MSC_VER
+#define _unlink unlink
+#endif
+ return unlink(source) != 0 ? false : true;
+}
-int CopyRescaleDicom(std::string const & filename,
- std::string const & output )
+int CopyRescaleDicom(std::string const &filename,
+ std::string const &output )
{
std::cout << " Testing: " << filename << std::endl;
if( FileExists( output.c_str() ) )
return 1;
}
}
-
+
//////////////// Step 1:
std::cout << " 1...";
- gdcm::File *originalH = new gdcm::File( filename );
- gdcm::File *copyH = new gdcm::File( );
+ gdcm::File originalF = gdcm::File( );
+ originalF.SetFileName( filename );
+ originalF.Load();
+
+ gdcm::File copyF = gdcm::File( );
- //First of all copy the header field by field
+ //First of all copy the file, field by field
//////////////// Step 2:
std::cout << "2...";
- // Copy of the header content
- gdcm::DocEntry* d = originalH->GetFirstEntry();
+ // Copy of the file content
+ gdcm::DocEntry *d = originalF.GetFirstEntry();
while(d)
{
- if ( gdcm::BinEntry* b = dynamic_cast<gdcm::BinEntry*>(d) )
- {
- copyH->InsertBinEntry( b->GetBinArea(),b->GetLength(),
- b->GetGroup(),b->GetElement(),
- b->GetVR() );
- }
- else if ( gdcm::ValEntry* v = dynamic_cast<gdcm::ValEntry*>(d) )
- {
- copyH->InsertValEntry( v->GetValue(),
- v->GetGroup(),v->GetElement(),
- v->GetVR() );
+ if ( gdcm::DataEntry *de = dynamic_cast<gdcm::DataEntry *>(d) )
+ {
+ copyF.InsertEntryBinArea( de->GetBinArea(),de->GetLength(),
+ de->GetGroup(),de->GetElement(),
+ de->GetVR() );
}
else
{
// We skip pb of SQ recursive exploration
}
- d=originalH->GetNextEntry();
+ d = originalF.GetNextEntry();
}
- gdcm::FileHelper *original = new gdcm::FileHelper( originalH );
- gdcm::FileHelper *copy = new gdcm::FileHelper( copyH );
+ gdcm::FileHelper original = gdcm::FileHelper( &originalF );
+ gdcm::FileHelper copy = gdcm::FileHelper( ©F );
- size_t dataSize = original->GetImageDataSize();
+ size_t dataSize = original.GetImageDataSize();
size_t rescaleSize;
uint8_t *rescaleImage;
- const std::string & bitsStored = originalH->GetEntryValue(0x0028,0x0101);
+ const std::string &bitsStored = originalF.GetEntryValue(0x0028,0x0101);
if( bitsStored == "16" )
{
std::cout << "Rescale...";
- copyH->InsertValEntry( "8", 0x0028, 0x0100); // BitsAllocated
- copyH->InsertValEntry( "8", 0x0028, 0x0101); // BitsStored
- copyH->InsertValEntry( "7", 0x0028, 0x0102); // HighBit
- copyH->InsertValEntry( "0", 0x0028, 0x0103); //Pixel Representation
-
+ copyF.InsertEntryString( "8", 0x0028, 0x0100); // Bits Allocated
+ copyF.InsertEntryString( "8", 0x0028, 0x0101); // Bits Stored
+ copyF.InsertEntryString( "7", 0x0028, 0x0102); // High Bit
+ copyF.InsertEntryString( "0", 0x0028, 0x0103); // Pixel Representation
+
// We assume the value were from 0 to uint16_t max
rescaleSize = dataSize / 2;
rescaleImage = new uint8_t[dataSize];
- uint16_t* imageData16 = (uint16_t*)original->GetImageData();
+ uint16_t *imageData16 = (uint16_t*)original.GetImageData();
+ uint16_t *tmpImage = imageData16;
+ uint8_t *tmpRescale = rescaleImage;
for(unsigned int i=0; i<rescaleSize; i++)
{
- rescaleImage[i] = imageData16[i]/256;
+ *tmpRescale = (uint8_t)( (*tmpImage)>>8 );
+ tmpImage++;
+ tmpRescale++;
}
}
else
std::cout << "Same...";
rescaleSize = dataSize;
rescaleImage = new uint8_t[dataSize];
- memcpy(rescaleImage,original->GetImageData(),dataSize);
+ memcpy(rescaleImage,original.GetImageData(),dataSize);
}
- copy->SetImageData(rescaleImage, rescaleSize);
+ copy.SetImageData(rescaleImage, rescaleSize);
//////////////// Step 3:
std::cout << "3...";
- copy->SetWriteModeToRGB();
- if( !copy->WriteDcmExplVR(output) )
+ copy.SetWriteModeToRGB();
+ if( !copy.WriteDcmExplVR(output) )
{
std::cout << " Failed" << std::endl
<< " " << output << " not written" << std::endl;
- delete original;
- delete copy;
- delete originalH;
- delete copyH;
delete[] rescaleImage;
return 1;
}
- delete copy;
- delete copyH;
-
//////////////// Step 4:
std::cout << "4...";
- copy = new gdcm::FileHelper( output );
+ gdcm::FileHelper copy2 = gdcm::FileHelper( output );
//Is the file written still gdcm parsable ?
- if ( !copy->GetFile()->IsReadable() )
+ if ( !copy2.GetFile()->IsReadable() )
{
std::cout << " Failed" << std::endl
<< " " << output << " not readable" << std::endl;
- delete original;
- delete originalH;
delete[] rescaleImage;
return 1;
//////////////// Step 5:
std::cout << "5...";
- size_t dataSizeWritten = copy->GetImageDataSize();
- uint8_t* imageDataWritten = copy->GetImageData();
+ size_t dataSizeWritten = copy2.GetImageDataSize();
+ uint8_t *imageDataWritten = copy2.GetImageData();
- if (originalH->GetXSize() != copy->GetFile()->GetXSize() ||
- originalH->GetYSize() != copy->GetFile()->GetYSize() ||
- originalH->GetZSize() != copy->GetFile()->GetZSize())
+ if (originalF.GetXSize() != copy2.GetFile()->GetXSize() ||
+ originalF.GetYSize() != copy2.GetFile()->GetYSize() ||
+ originalF.GetZSize() != copy2.GetFile()->GetZSize())
{
std::cout << "Failed" << std::endl
<< " X Size differs: "
- << "X: " << originalH->GetXSize() << " # "
- << copy->GetFile()->GetXSize() << " | "
- << "Y: " << originalH->GetYSize() << " # "
- << copy->GetFile()->GetYSize() << " | "
- << "Z: " << originalH->GetZSize() << " # "
- << copy->GetFile()->GetZSize() << std::endl;
- delete original;
- delete copy;
- delete originalH;
+ << "X: " << originalF.GetXSize() << " # "
+ << copy2.GetFile()->GetXSize() << " | "
+ << "Y: " << originalF.GetYSize() << " # "
+ << copy2.GetFile()->GetYSize() << " | "
+ << "Z: " << originalF.GetZSize() << " # "
+ << copy2.GetFile()->GetZSize() << std::endl;
delete[] rescaleImage;
return 1;
<< " Pixel areas lengths differ: "
<< dataSize << " # " << dataSizeWritten << std::endl;
- delete original;
- delete copy;
- delete originalH;
delete[] rescaleImage;
return 1;
std::cout << " Failed" << std::endl
<< " Pixel differ (as expanded in memory)." << std::endl;
- delete original;
- delete copy;
- delete originalH;
delete[] rescaleImage;
return 1;
}
std::cout << "OK." << std::endl ;
- delete original;
- delete copy;
- delete originalH;
delete[] rescaleImage;
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 TestCopyRescaleDicom(int argc, char* argv[])
+int TestCopyRescaleDicom(int argc, char *argv[])
{
if ( argc == 3 )
{
<< "GetImageDataSize() "
<< std::endl;
std::cout << " step 2: create a copy of the readed file and the new"
- << " pixel datas are set to the copy"
+ << " pixel data are set to the copy"
<< std::endl;
std::cout << " step 3: write the copy of the image"
<< std::endl;
<< " match (as expanded by gdcm)." << std::endl;
std::cout << std::endl;
+
+ clock_t r1,r2, r3,r4;
+ struct tms tms1,tms2, tms3,tms4;
+
+ r3 = times(&tms3);
int i =0;
int retVal = 0; //by default this is an error
while( gdcmDataImages[i] != 0 )
std::string output = "output.dcm";
+ r1 = times(&tms1);
if( CopyRescaleDicom( filename, output ) != 0 )
{
retVal++;
}
+ r2 = times(&tms2);
+
+ std::cout
+ << std::setw(150-strlen(gdcmDataImages[i]))
+ << gdcmDataImages[i] << " user time: "
+ << (long) ((tms2.tms_utime) - (tms1.tms_utime))
+ << " system time: "
+ << (long) ((tms2.tms_stime) - (tms1.tms_stime))
+ << "\t elapsed time: " << r2 - r1
+ << std::endl;
i++;
}
+ r4 = times(&tms4);
+
+ std::cout
+ << std::setw(150-strlen("Gross Total")) << " --> "
+ << "Gross Total" << " user time: "
+ << (long) ((tms4.tms_utime) - (tms3.tms_utime))
+ << " system time: "
+ << (long) ((tms4.tms_stime) - (tms3.tms_stime))
+ << "\t elapsed time: " << (long) (r4 - r3)
+ << std::endl;
return retVal;
}