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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 "gdcmImageRegionReader.h"
#include "gdcmImageHelper.h"
#include "gdcmFilename.h"
#include "gdcmBoxRegion.h"
#include "gdcmTesting.h"
#include "gdcmSystem.h"
static int TestImageRegionRead(const char* filename, bool verbose = false)
{
using gdcm::System;
using gdcm::Testing;
if( verbose )
std::cerr << "Reading: " << filename << std::endl;
gdcm::ImageRegionReader reader;
reader.SetFileName( filename );
bool canReadInformation = reader.ReadInformation();
if (!canReadInformation)
{
std::cerr << "Cannot ReadInformation: " << filename << std::endl;
return 1;
}
// Create directory first:
const char subdir[] = "TestImageRegionReader4";
std::string tmpdir = Testing::GetTempDirectory( subdir );
if( !System::FileIsDirectory( tmpdir.c_str() ) )
{
System::MakeDirectory( tmpdir.c_str() );
//return 1;
}
std::string outfilename = Testing::GetTempFilename( filename, subdir );
outfilename += ".raw";
std::ofstream of( outfilename.c_str(), std::ios::binary );
int res = 0;
std::vector<unsigned int> dims =
gdcm::ImageHelper::GetDimensionsValue(reader.GetFile());
std::vector<char> vbuffer;
gdcm::BoxRegion box;
for( unsigned int z = 0; z < dims[2]; ++z )
{
box.SetDomain(0, dims[0] - 1, 0, dims[1] - 1, z, z);
reader.SetRegion( box );
size_t len = reader.ComputeBufferLength();
if( !len )
{
std::cerr << "No length for: " << filename << std::endl;
return 1;
}
vbuffer.resize( len );
char* buffer = &vbuffer[0];
bool b = reader.ReadIntoBuffer(buffer, len);
if( !b )
{
std::cerr << "Could not ReadIntoBuffer" << std::endl;
return 1;
}
of.write( buffer, len );
}
of.close();
char digest[33];
bool b = gdcm::Testing::ComputeFileMD5(outfilename.c_str(), digest);
if( !b )
{
std::cerr << "Could not ComputeFileMD5: " << outfilename << std::endl;
return 1;
}
const char *ref = gdcm::Testing::GetMD5FromFile(filename);
if( verbose )
{
std::cout << "ref=" << ref << std::endl;
std::cout << "md5=" << digest << std::endl;
}
if( !ref )
{
// new regression image needs a md5 sum
std::cout << "Missing md5 " << digest << " for: " << filename << std::endl;
res = 1;
}
else if( strcmp(digest, ref) )
{
std::cerr << "Problem reading image from: " << filename << std::endl;
std::cerr << "Into: " << outfilename << std::endl;
std::cerr << "Found " << digest << " instead of " << ref << std::endl;
res = 1;
}
return res;
}
int TestImageRegionReader4(int argc, char *argv[])
{
if( argc == 2 )
{
const char *filename = argv[1];
return TestImageRegionRead(filename, true);
}
// else
// First of get rid of warning/debug message
gdcm::Trace::DebugOff();
gdcm::Trace::WarningOff();
int r = 0, i = 0;
const char *extradataroot = gdcm::Testing::GetDataExtraRoot();
static const char *names[] = {
"/gdcmSampleData/images_of_interest/US_512x512x2496_JPEG_BaseLine_Process_1.dcm",
"/gdcmSampleData/images_of_interest/PHILIPS_Integris_V-10-MONO2-Multiframe.dcm",
"/gdcmSampleData/ForSeriesTesting/MultiFramesSingleSerieXR/1.3.46.670589.7.5.10.80002138018.20001204.181556.9.1.1.dcm",
"/gdcmSampleData/images_of_interest/i32.XADC.7.215MegaBytes.dcm",
nullptr
};
const char *filename;
while( (filename = names[i]) )
{
std::string fn = extradataroot;
fn += filename;
r += TestImageRegionRead(fn.c_str());
++i;
}
return r;
}
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