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/*=========================================================================
Program: Insight Segmentation & Registration Toolkit
Module: $RCSfile: itkProgressAccumulator.cxx,v $
Language: C++
Date: $Date: 2007-12-21 18:30:08 $
Version: $Revision: 1.10 $
Copyright (c) Insight Software Consortium. All rights reserved.
See ITKCopyright.txt or http://www.itk.org/HTML/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 "itkProgressAccumulator.h"
namespace itk {
ProgressAccumulator
::ProgressAccumulator()
{
m_MiniPipelineFilter = 0;
// Initialize the progress values
this->ResetProgress();
// Create a member command
m_CallbackCommand = CommandType::New();
m_CallbackCommand->SetCallbackFunction( this, & Self::ReportProgress );
}
ProgressAccumulator
::~ProgressAccumulator()
{
UnregisterAllFilters();
}
void
ProgressAccumulator
::RegisterInternalFilter(GenericFilterType *filter,float weight)
{
// Observe the filter
unsigned long progressTag =
filter->AddObserver(ProgressEvent(), m_CallbackCommand);
unsigned long iterationTag =
filter->AddObserver(IterationEvent(), m_CallbackCommand);
// Create a record for the filter
struct FilterRecord record;
record.Filter = filter;
record.Weight = weight;
record.ProgressObserverTag = progressTag;
record.IterationObserverTag = iterationTag;
record.Progress = 0.0f;
// Add the record to the list
m_FilterRecord.push_back(record);
}
void
ProgressAccumulator
::UnregisterAllFilters()
{
// The filters should no longer be observing us
FilterRecordVector::iterator it;
for(it = m_FilterRecord.begin(); it != m_FilterRecord.end();++it)
{
it->Filter->RemoveObserver(it->ProgressObserverTag);
it->Filter->RemoveObserver(it->IterationObserverTag);
}
// Clear the filter array
m_FilterRecord.clear();
// Reset the progress meter
ResetProgress();
}
void
ProgressAccumulator
::ResetProgress()
{
// Reset the accumulated progress
m_AccumulatedProgress = 0.0f;
m_BaseAccumulatedProgress = 0.0f;
// Reset each of the individial progress meters
FilterRecordVector::iterator it;
for(it = m_FilterRecord.begin();it != m_FilterRecord.end();++it)
{
it->Progress = 0.0f;
it->Filter->SetProgress( 0.0f );
}
}
void
ProgressAccumulator
::ResetFilterProgressAndKeepAccumulatedProgress()
{
m_BaseAccumulatedProgress = m_AccumulatedProgress;
// Reset each of the individial progress meters
FilterRecordVector::iterator it;
for(it = m_FilterRecord.begin();it != m_FilterRecord.end();++it)
{
it->Progress = 0.0f;
it->Filter->SetProgress( 0.0f );
}
}
void
ProgressAccumulator
::ReportProgress(Object *who, const EventObject &event)
{
ProgressEvent pe;
IterationEvent ie;
if( typeid( event ) == typeid( pe ) )
{
// Add up the progress from different filters
m_AccumulatedProgress = m_BaseAccumulatedProgress;
FilterRecordVector::iterator it;
for(it = m_FilterRecord.begin();it != m_FilterRecord.end();++it)
{
m_AccumulatedProgress += it->Filter->GetProgress() * it->Weight;
}
// Update the progress of the client mini-pipeline filter
m_MiniPipelineFilter->UpdateProgress(m_AccumulatedProgress);
// check for abort
if ( m_MiniPipelineFilter->GetAbortGenerateData() )
{
// Abort the filter that is reporting progress
FilterRecordVector::iterator fit;
for(fit = m_FilterRecord.begin();fit != m_FilterRecord.end();++fit)
{
if (who == fit->Filter)
{
fit->Filter->AbortGenerateDataOn();
}
}
}
}
else if (typeid( event ) == typeid ( ie ) )
{
}
}
void ProgressAccumulator
::PrintSelf(std::ostream &os, Indent indent) const
{
Superclass::PrintSelf(os,indent);
if (m_MiniPipelineFilter)
{
os << indent << m_MiniPipelineFilter << std::endl;
}
os << indent << m_AccumulatedProgress << std::endl;
os << indent << m_BaseAccumulatedProgress << std::endl;
}
} // End namespace itk
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