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itkProgressAccumulator.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkProgressAccumulator.h,v $
00005   Language:  C++
00006   Date:      $Date: 2007-12-21 15:32:36 $
00007   Version:   $Revision: 1.11 $
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 __itkProgressAccumulator_h
00018 #define __itkProgressAccumulator_h
00019 
00020 #include "itkCommand.h"
00021 #include "itkObject.h"
00022 #include "itkProcessObject.h"
00023 #include <vector>
00024 
00025 namespace itk {
00026 
00039 class ITKCommon_EXPORT ProgressAccumulator : public Object
00040 {
00041 public:
00042 
00044   typedef ProgressAccumulator        Self;
00045   typedef Object                     Superclass;
00046   typedef SmartPointer<Self>         Pointer;
00047   typedef SmartPointer<const Self>   ConstPointer;
00048 
00050   typedef ProcessObject              GenericFilterType;
00051   typedef GenericFilterType::Pointer GenericFilterPointer;
00052 
00054   itkNewMacro(Self);  
00055 
00057   itkTypeMacro(ProgressAccumulator,Object);
00058 
00060   itkGetMacro(AccumulatedProgress,float);
00061 
00063   itkSetObjectMacro(MiniPipelineFilter,ProcessObject);
00064 
00066   itkGetConstObjectMacro(MiniPipelineFilter,ProcessObject);
00067 
00072   void RegisterInternalFilter(GenericFilterType *filter, float weight);
00073 
00077   void UnregisterAllFilters();
00078 
00084   void ResetProgress();
00085   void ResetFilterProgressAndKeepAccumulatedProgress();
00087 
00088 protected:
00089   ProgressAccumulator();
00090   virtual ~ProgressAccumulator();
00091   void PrintSelf(std::ostream &s, Indent indent) const;
00092 
00093 private:
00095   typedef MemberCommand< Self >      CommandType;
00096   typedef CommandType::Pointer       CommandPointer;
00097 
00099   struct FilterRecord 
00100     {
00101     // Pointer to the filter
00102     GenericFilterPointer Filter;
00103 
00104     // The weight of the filter in total progress of the mini-pipeline
00105     float                Weight;
00106 
00107     // The tags for adding/removing observers to mini-pipeline filter
00108     unsigned long        ProgressObserverTag;
00109     unsigned long        IterationObserverTag;
00110 
00111     // The progress accumulated by the filter since last Reset()
00112     float                Progress;
00113     };
00114 
00116   void ReportProgress(Object * object, const EventObject & event);
00117 
00119   GenericFilterPointer m_MiniPipelineFilter;
00120 
00122   typedef std::vector<struct FilterRecord> FilterRecordVector;
00123 
00125   float m_AccumulatedProgress;
00126 
00128   float m_BaseAccumulatedProgress;
00129 
00134   FilterRecordVector m_FilterRecord;
00135 
00137   CommandPointer m_CallbackCommand; 
00138 };
00139 
00140 } // End namespace itk
00141 
00142 #endif // __itkProgressAccumulator_h_
00143 

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