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124 lines
3.9 KiB
124 lines
3.9 KiB
/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkImageMultipleInputFilter.h,v $
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Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
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All rights reserved.
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See Copyright.txt or http://www.kitware.com/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 notice for more information.
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=========================================================================*/
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// .NAME vtkImageMultipleInputFilter - Generic filter that has N inputs.
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// .SECTION Description
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// vtkImageMultipleInputFilter is a super class for filters that
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// have any number of inputs. Steaming is not available in this class yet.
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// .SECTION See Also
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// vtkImageToImageFilter vtkImageInPlaceFilter vtkImageTwoInputFilter
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#ifndef __vtkImageMultipleInputFilter_h
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#define __vtkImageMultipleInputFilter_h
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#include "vtkImageSource.h"
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class vtkMultiThreader;
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class VTK_FILTERING_EXPORT vtkImageMultipleInputFilter : public vtkImageSource
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{
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public:
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vtkTypeRevisionMacro(vtkImageMultipleInputFilter,vtkImageSource);
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void PrintSelf(ostream& os, vtkIndent indent);
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// Description:
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// Set an Input of this filter.
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virtual void SetInput(int num, vtkImageData *input);
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// Description:
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// Adds an input to the first null position in the input list.
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// Expands the list memory if necessary
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virtual void AddInput(vtkImageData *input);
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virtual void RemoveInput(vtkImageData *input);
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// Description:
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// Get one input to this filter.
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vtkImageData *GetInput(int num);
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vtkImageData *GetInput();
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// Description:
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// Turning bypass on will cause the filter to turn off and
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// simply pass the data from the first input (input0) through.
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// It is implemented for consistency with vtkImageToImageFilter.
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vtkSetMacro(Bypass,int);
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vtkGetMacro(Bypass,int);
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vtkBooleanMacro(Bypass,int);
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// Description:
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// Get/Set the number of threads to create when rendering
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vtkSetClampMacro( NumberOfThreads, int, 1, VTK_MAX_THREADS );
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vtkGetMacro( NumberOfThreads, int );
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// Description:
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// Putting this here until I merge graphics and imaging streaming.
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virtual int SplitExtent(int splitExt[6], int startExt[6],
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int num, int total);
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// Description:
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// The execute method created by the subclass.
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// This is kept public instead of protected since it is called
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// from a non-member thread function.
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virtual void ThreadedExecute(vtkImageData **inDatas,
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vtkImageData *outData,
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int extent[6], int threadId);
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protected:
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vtkImageMultipleInputFilter();
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~vtkImageMultipleInputFilter();
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vtkMultiThreader *Threader;
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int Bypass;
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int NumberOfThreads;
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void ComputeInputUpdateExtents( vtkDataObject *output );
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virtual void ComputeInputUpdateExtent( int inExt[6],
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int outExt[6],
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int whichInput );
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void ExecuteData(vtkDataObject *output);
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void MultiThread(vtkImageData **indatas, vtkImageData *outdata);
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// This one gets called by the superclass.
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void ExecuteInformation();
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// This is the one you should override.
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virtual void ExecuteInformation(vtkImageData **, vtkImageData *) {};
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virtual int FillInputPortInformation(int, vtkInformation*);
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private:
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// hide the superclass' AddInput() from the user and the compiler
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void AddInput(vtkDataObject *)
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{ vtkErrorMacro( << "AddInput() must be called with a vtkImageData not a vtkDataObject."); };
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void RemoveInput(vtkDataObject *)
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{ vtkErrorMacro( << "RemoveInput() must be called with a vtkImageData not a vtkDataObject."); };
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private:
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vtkImageMultipleInputFilter(const vtkImageMultipleInputFilter&); // Not implemented.
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void operator=(const vtkImageMultipleInputFilter&); // Not implemented.
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};
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#endif
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