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/*=========================================================================
Program: Image Guided Surgery Software Toolkit
Module: $RCSfile: igstkTransformXMLFileWriterBase.cxx,v $
Language: C++
Date: $Date: 2009-06-04 20:06:54 $
Version: $Revision: 1.1 $
Copyright (c) ISC Insight Software Consortium. All rights reserved.
See IGSTKCopyright.txt or http://www.igstk.org/copyright.htm 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 <itksys/SystemTools.hxx>
#include <algorithm>
#include "igstkTransformXMLFileWriterBase.h"
namespace igstk
{
int
TransformXMLFileWriterBase::CanWriteFile(const char* name)
{
//check that we have a valid file name, it is not a directory
if( itksys::SystemTools::FileIsDirectory( name ) )
{
return 0;
}
return 1;
}
int
TransformXMLFileWriterBase::WriteFile()
{ //problem with the given file name
if( !CanWriteFile( this->m_Filename.c_str() ) )
{
return 0;
}
std::ofstream out;
out.open( this->m_Filename.c_str() );
//failed openning file
if( out.fail() )
{
return 0;
}
out<<"<?xml version=\"1.0\" encoding=\"ISO-8859-1\"?>\n\n\n\n";
out<<"<precomputed_transform>\n\n";
WriteDescription( out );
WriteDate( out );
WriteTransformation( out );
out<<"</precomputed_transform>\n";
out.close();
return 1;
}
void
TransformXMLFileWriterBase::WriteDescription( std::ofstream &out )
{
TransformationDescriptionObserver::Pointer descriptionObserver =
TransformationDescriptionObserver::New();
unsigned long observerID = this->m_InputObject->AddObserver(
igstk::StringEvent(), descriptionObserver );
this->m_InputObject->RequestTransformDescription();
this->m_InputObject->RemoveObserver( observerID );
if( descriptionObserver->GotTransformationDescription() )
{
out<<"\t<description>\n";
out<<"\t"<<descriptionObserver->GetTransformationDescription()<<"\n";
out<<"\t</description>\n\n";
}
}
void
TransformXMLFileWriterBase::WriteDate( std::ofstream &out )
{
TransformationDateObserver::Pointer dateObserver =
TransformationDateObserver::New();
unsigned long observerID = this->m_InputObject->AddObserver(
igstk::PrecomputedTransformData::TransformDateTypeEvent(),
dateObserver );
this->m_InputObject->RequestComputationDateAndTime();
this->m_InputObject->RemoveObserver( observerID );
if( dateObserver->GotTransformationDate() )
{
out<<"\t<computation_date>\n";
out<<"\t"<<dateObserver->GetTransformationDate()<<"\n";
out<<"\t</computation_date>\n\n";
}
}
} //namespace
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