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itkProgressReporter.h

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00001 /*========================================================================= 00002 00003 Program: Insight Segmentation & Registration Toolkit 00004 Module: $RCSfile: itkProgressReporter.h,v $ 00005 Language: C++ 00006 Date: $Date: 2003/09/10 14:29:23 $ 00007 Version: $Revision: 1.8 $ 00008 00009 Copyright (c) Insight Software Consortium. All rights reserved. 00010 See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details. 00011 00012 This software is distributed WITHOUT ANY WARRANTY; without even 00013 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 00014 PURPOSE. See the above copyright notices for more information. 00015 00016 =========================================================================*/ 00017 #ifndef _itkProgressReporter_h 00018 #define _itkProgressReporter_h 00019 00020 #include "itkProcessObject.h" 00021 00022 namespace itk 00023 { 00024 00058 class ITKCommon_EXPORT ProgressReporter 00059 { 00060 public: 00062 ProgressReporter(ProcessObject* filter, int threadId, 00063 unsigned long numberOfPixels, 00064 unsigned long numberOfUpdates = 100, 00065 float initialProgress = 0.0f, 00066 float progressWeight = 1.0f ); 00067 00069 ~ProgressReporter(); 00070 00072 void CompletedPixel() 00073 { 00074 // Inline implementation for efficiency. 00075 // We don't need to test for thread id 0 here because the 00076 // constructor sets m_PixelsBeforeUpdate to a value larger than 00077 // the number of pixels for threads other than 0. 00078 if(--m_PixelsBeforeUpdate == 0) 00079 { 00080 m_PixelsBeforeUpdate = m_PixelsPerUpdate; 00081 m_CurrentPixel += m_PixelsPerUpdate; 00082 m_Filter->UpdateProgress( 00083 m_CurrentPixel * m_InverseNumberOfPixels * m_ProgressWeight + m_InitialProgress); 00084 if( m_Filter->GetAbortGenerateData() ) 00085 { 00086 throw ProcessAborted(); 00087 } 00088 } 00089 } 00090 00091 protected: 00092 ProcessObject* m_Filter; 00093 int m_ThreadId; 00094 float m_InverseNumberOfPixels; 00095 unsigned long m_CurrentPixel; 00096 unsigned long m_PixelsPerUpdate; 00097 unsigned long m_PixelsBeforeUpdate; 00098 float m_InitialProgress; 00099 float m_ProgressWeight; 00100 00101 private: 00102 ProgressReporter(); //purposely not implemented 00103 00104 }; 00105 00106 } // end namespace itk 00107 00108 #endif

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