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/*========================================================================= |
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Program: Insight Segmentation & Registration Toolkit |
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Module: $RCSfile: itkProgressReporter.cxx.html,v $ |
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Language: C++ |
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Date: $Date: 2006/01/17 19:15:46 $ |
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Version: $Revision: 1.4 $ |
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Copyright (c) Insight Software Consortium. All rights reserved. |
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See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details. |
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This software is distributed WITHOUT ANY WARRANTY; without even |
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the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR |
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PURPOSE. See the above copyright notices for more information. |
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=========================================================================*/ |
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#include "itkProgressReporter.h" |
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#include "itkNumericTraits.h" |
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namespace itk |
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{ |
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//---------------------------------------------------------------------------- |
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ProgressReporter::ProgressReporter(ProcessObject* filter, int threadId, |
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unsigned long numberOfPixels, |
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unsigned long numberOfUpdates, |
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float initialProgress, |
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float progressWeight): |
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**m_Filter(filter), |
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**m_ThreadId(threadId), |
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**m_CurrentPixel(0), |
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**m_InitialProgress( initialProgress ), |
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**m_ProgressWeight( progressWeight ) |
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{ |
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float numPixels = numberOfPixels; |
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float numUpdates = numberOfUpdates; |
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// Make sure we have at least one pixel. |
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if(numPixels < 1) |
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{ |
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numPixels = 1; |
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} |
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// We cannot update more times than there are pixels. |
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if(numUpdates > numPixels) |
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{ |
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numUpdates = numPixels; |
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} |
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// Calculate the interval for updates. |
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m_PixelsPerUpdate = static_cast<unsigned long>(numPixels/numUpdates); |
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m_InverseNumberOfPixels = 1.0 / numPixels; |
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// Only thread 0 should update progress. (But all threads need to |
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// count pixels so they can check the abort flag.) |
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if(m_ThreadId == 0) |
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{ |
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// Set the progress to initial progress. The filter is just starting. |
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m_Filter->UpdateProgress( m_InitialProgress ); |
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} |
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m_PixelsBeforeUpdate = m_PixelsPerUpdate; |
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} |
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//---------------------------------------------------------------------------- |
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ProgressReporter::~ProgressReporter() |
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{ |
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// Only thread 0 should update progress. |
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if(m_ThreadId == 0) |
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{ |
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// Set the progress to the end of its current range. The filter has finished. |
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m_Filter->UpdateProgress( m_InitialProgress + m_ProgressWeight ); |
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} |
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} |
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} // end namespace itk |
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