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/*=========================================================================
Program: GDCM (Grassroots DICOM). A DICOM library
Copyright (c) 2006-2011 Mathieu Malaterre
All rights reserved.
See Copyright.txt or http://gdcm.sourceforge.net/Copyright.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 notice for more information.
=========================================================================*/
#include "gdcmImageChangePlanarConfiguration.h"
#include "gdcmImageReader.h"
#include "gdcmImageWriter.h"
#include "gdcmTesting.h"
#include "gdcmFilename.h"
#include "gdcmByteSwap.h"
#include "gdcmSystem.h"
int TestImageChangePlanarConfigurationFunc(const char *filename, bool verbose = false)
{
(void)verbose;
gdcm::ImageReader reader;
reader.SetFileName( filename );
if ( !reader.Read() )
{
const gdcm::FileMetaInformation &header = reader.GetFile().GetHeader();
gdcm::MediaStorage ms = header.GetMediaStorage();
bool isImage = gdcm::MediaStorage::IsImage( ms );
bool pixeldata = reader.GetFile().GetDataSet().FindDataElement( gdcm::Tag(0x7fe0,0x0010) );
if( isImage && pixeldata )
{
std::cout << "Could not read: " << filename << std::endl;
return 1;
}
return 0;
}
const gdcm::Image &image = reader.GetImage();
unsigned int oldpc = image.GetPlanarConfiguration();
assert( oldpc == 1 || oldpc == 0 );
gdcm::ImageChangePlanarConfiguration pcfilt;
pcfilt.SetPlanarConfiguration( !oldpc );
pcfilt.SetInput( image );
bool b = pcfilt.Change();
if( !b )
{
unsigned short ba = reader.GetImage().GetPixelFormat().GetBitsAllocated();
if( ba == 12 )
{
std::cerr << "fail to change, but that's ok" << std::endl;
return 0;
}
std::cerr << "Could not apply pcfilt: " << filename << std::endl;
return 1;
}
// Create directory first:
const char subdir[] = "TestImageChangePlanarConfiguration";
std::string tmpdir = gdcm::Testing::GetTempDirectory( subdir );
if( !gdcm::System::FileIsDirectory( tmpdir.c_str() ) )
{
gdcm::System::MakeDirectory( tmpdir.c_str() );
//return 1;
}
std::string outfilename = gdcm::Testing::GetTempFilename( filename, subdir );
gdcm::ImageWriter writer;
writer.SetFileName( outfilename.c_str() );
writer.SetFile( reader.GetFile() ); // important
writer.SetImage( pcfilt.GetOutput() );
if( !writer.Write() )
{
std::cerr << "Failed to write: " << outfilename << std::endl;
return 1;
}
// Let's read that file back in !
gdcm::ImageReader reader2;
reader2.SetFileName( outfilename.c_str() );
if ( !reader2.Read() )
{
std::cerr << "Could not even reread our generated file : " << outfilename << std::endl;
return 1;
}
// Check that after decompression we still find the same thing:
int res = 0;
const gdcm::Image &img = reader2.GetImage();
//unsigned int newpc = img.GetPlanarConfiguration();
//std::cerr << "Success to read image from file: " << filename << std::endl;
unsigned long len = img.GetBufferLength();
char* buffer = new char[len];
bool res2;
{
gdcm::ImageChangePlanarConfiguration icpc;
icpc.SetPlanarConfiguration( oldpc );
icpc.SetInput( img );
if( !icpc.Change() )
{
return 1;
}
res2 = icpc.GetOutput().GetBuffer(buffer);
}
if( !res2 )
{
std::cerr << "could not get buffer: " << outfilename << std::endl;
return 1;
}
// On big Endian system we have byteswapped the buffer (duh!)
// Since the md5sum is byte based there is now way it would detect
// that the file is written in big endian word, so comparing against
// a md5sum computed on LittleEndian would fail. Thus we need to
// byteswap (again!) here:
#ifdef GDCM_WORDS_BIGENDIAN
if( img.GetPixelFormat().GetBitsAllocated() == 16 )
{
assert( !(len % 2) );
assert( img.GetPhotometricInterpretation() == gdcm::PhotometricInterpretation::MONOCHROME1
|| img.GetPhotometricInterpretation() == gdcm::PhotometricInterpretation::MONOCHROME2 );
gdcm::ByteSwap<unsigned short>::SwapRangeFromSwapCodeIntoSystem(
(unsigned short*)buffer, gdcm::SwapCode::LittleEndian, len/2);
}
#endif
const char *ref = gdcm::Testing::GetMD5FromFile(filename);
// FIXME: PC=1
gdcm::Filename fn( filename );
if( strcmp(fn.GetName(), "ACUSON-24-YBR_FULL-RLE-b.dcm" ) == 0) ref = "2d7a28cae6c3b3183284d1b4ae08307f";
if( strcmp(fn.GetName(), "ACUSON-24-YBR_FULL-RLE.dcm" ) == 0) ref = "429f31f0b70bd515b3feeda5dea5eac0";
char digest[33];
gdcm::Testing::ComputeMD5(buffer, len, digest);
if( !ref )
{
// new regression image needs a md5 sum
std::cerr << "Missing md5 " << digest << " for: " << filename << std::endl;
//assert(0);
res = 1;
}
else if( strcmp(digest, ref) != 0 )
{
std::cerr << "Problem reading image from: " << filename << std::endl;
std::cerr << "Found " << digest << " instead of " << ref << std::endl;
res = 1;
}
if(res)
{
std::cerr << "problem with: " << outfilename << std::endl;
}
if( verbose )
{
std::cout << "file was written in: " << outfilename << std::endl;
}
delete[] buffer;
return 0;
}
int TestImageChangePlanarConfiguration(int argc, char *argv[])
{
if( argc == 2 )
{
const char *filename = argv[1];
return TestImageChangePlanarConfigurationFunc(filename, true);
}
// else
gdcm::Trace::DebugOff();
gdcm::Trace::WarningOff();
int r = 0, i = 0;
const char *filename;
const char * const *filenames = gdcm::Testing::GetFileNames();
while( (filename = filenames[i]) )
{
r += TestImageChangePlanarConfigurationFunc( filename );
++i;
}
return r;
}
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