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dox/Filtering/vtkImageMultipleInputFilter.h

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00001 /*========================================================================= 00002 00003 Program: Visualization Toolkit 00004 Module: $RCSfile: vtkImageMultipleInputFilter.h,v $ 00005 00006 Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen 00007 All rights reserved. 00008 See Copyright.txt or http://www.kitware.com/Copyright.htm for details. 00009 00010 This software is distributed WITHOUT ANY WARRANTY; without even 00011 the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR 00012 PURPOSE. See the above copyright notice for more information. 00013 00014 =========================================================================*/ 00026 #ifndef __vtkImageMultipleInputFilter_h 00027 #define __vtkImageMultipleInputFilter_h 00028 00029 #include "vtkImageSource.h" 00030 00031 class vtkMultiThreader; 00032 00033 class VTK_FILTERING_EXPORT vtkImageMultipleInputFilter : public vtkImageSource 00034 { 00035 public: 00036 vtkTypeRevisionMacro(vtkImageMultipleInputFilter,vtkImageSource); 00037 void PrintSelf(ostream& os, vtkIndent indent); 00038 00040 virtual void SetInput(int num, vtkImageData *input); 00041 00043 00045 virtual void AddInput(vtkImageData *input); 00046 virtual void RemoveInput(vtkImageData *input); 00048 00050 00051 vtkImageData *GetInput(int num); 00052 vtkImageData *GetInput(); 00054 00056 00059 vtkSetMacro(Bypass,int); 00060 vtkGetMacro(Bypass,int); 00061 vtkBooleanMacro(Bypass,int); 00063 00065 00066 vtkSetClampMacro( NumberOfThreads, int, 1, VTK_MAX_THREADS ); 00067 vtkGetMacro( NumberOfThreads, int ); 00069 00071 00072 virtual int SplitExtent(int splitExt[6], int startExt[6], 00073 int num, int total); 00075 00077 00080 virtual void ThreadedExecute(vtkImageData **inDatas, 00081 vtkImageData *outData, 00082 int extent[6], int threadId); 00084 00085 00086 00087 protected: 00088 vtkImageMultipleInputFilter(); 00089 ~vtkImageMultipleInputFilter(); 00090 00091 vtkMultiThreader *Threader; 00092 int Bypass; 00093 int NumberOfThreads; 00094 00095 void ComputeInputUpdateExtents( vtkDataObject *output ); 00096 00097 virtual void ComputeInputUpdateExtent( int inExt[6], 00098 int outExt[6], 00099 int whichInput ); 00100 00101 00102 void ExecuteData(vtkDataObject *output); 00103 void MultiThread(vtkImageData **indatas, vtkImageData *outdata); 00104 00105 // This one gets called by the superclass. 00106 void ExecuteInformation(); 00107 // This is the one you should override. 00108 virtual void ExecuteInformation(vtkImageData **, vtkImageData *) {}; 00109 00110 private: 00111 // hide the superclass' AddInput() from the user and the compiler 00112 void AddInput(vtkDataObject *) 00113 { vtkErrorMacro( << "AddInput() must be called with a vtkImageData not a vtkDataObject."); }; 00114 void RemoveInput(vtkDataObject *) 00115 { vtkErrorMacro( << "RemoveInput() must be called with a vtkImageData not a vtkDataObject."); }; 00116 private: 00117 vtkImageMultipleInputFilter(const vtkImageMultipleInputFilter&); // Not implemented. 00118 void operator=(const vtkImageMultipleInputFilter&); // Not implemented. 00119 }; 00120 00121 #endif 00122 00123 00124 00125 00126 00127 00128