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/*=========================================================================
Program: Visualization Toolkit
Module: $RCSfile: vtkImageMultipleInputFilter.h,v $
Copyright (c) Ken Martin, Will Schroeder, Bill Lorensen
All rights reserved.
See Copyright.txt or http://www.kitware.com/Copyright.htm for details.
This software is distributed WITHOUT ANY WARRANTY; without even
the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
PURPOSE. See the above copyright notice for more information.
=========================================================================*/
// .NAME vtkImageMultipleInputFilter - Generic filter that has N inputs.
// .SECTION Description
// vtkImageMultipleInputFilter is a super class for filters that
// have any number of inputs. Steaming is not available in this class yet.
// .SECTION See Also
// vtkImageToImageFilter vtkImageInPlaceFilter vtkImageTwoInputFilter
#ifndef __vtkImageMultipleInputFilter_h
#define __vtkImageMultipleInputFilter_h
#include "vtkImageSource.h"
class vtkMultiThreader;
class VTK_FILTERING_EXPORT vtkImageMultipleInputFilter : public vtkImageSource
{
public:
vtkTypeRevisionMacro(vtkImageMultipleInputFilter,vtkImageSource);
void PrintSelf(ostream& os, vtkIndent indent);
// Description:
// Set an Input of this filter.
virtual void SetInput(int num, vtkImageData *input);
// Description:
// Adds an input to the first null position in the input list.
// Expands the list memory if necessary
virtual void AddInput(vtkImageData *input);
virtual void RemoveInput(vtkImageData *input);
// Description:
// Get one input to this filter.
vtkImageData *GetInput(int num);
vtkImageData *GetInput();
// Description:
// Turning bypass on will cause the filter to turn off and
// simply pass the data from the first input (input0) through.
// It is implemented for consistency with vtkImageToImageFilter.
vtkSetMacro(Bypass,int);
vtkGetMacro(Bypass,int);
vtkBooleanMacro(Bypass,int);
// Description:
// Get/Set the number of threads to create when rendering
vtkSetClampMacro( NumberOfThreads, int, 1, VTK_MAX_THREADS );
vtkGetMacro( NumberOfThreads, int );
// Description:
// Putting this here until I merge graphics and imaging streaming.
virtual int SplitExtent(int splitExt[6], int startExt[6],
int num, int total);
// Description:
// The execute method created by the subclass.
// This is kept public instead of protected since it is called
// from a non-member thread function.
virtual void ThreadedExecute(vtkImageData **inDatas,
vtkImageData *outData,
int extent[6], int threadId);
protected:
vtkImageMultipleInputFilter();
~vtkImageMultipleInputFilter();
vtkMultiThreader *Threader;
int Bypass;
int NumberOfThreads;
void ComputeInputUpdateExtents( vtkDataObject *output );
virtual void ComputeInputUpdateExtent( int inExt[6],
int outExt[6],
int whichInput );
void ExecuteData(vtkDataObject *output);
void MultiThread(vtkImageData **indatas, vtkImageData *outdata);
// This one gets called by the superclass.
void ExecuteInformation();
// This is the one you should override.
virtual void ExecuteInformation(vtkImageData **, vtkImageData *) {};
virtual int FillInputPortInformation(int, vtkInformation*);
private:
// hide the superclass' AddInput() from the user and the compiler
void AddInput(vtkDataObject *)
{ vtkErrorMacro( << "AddInput() must be called with a vtkImageData not a vtkDataObject."); };
void RemoveInput(vtkDataObject *)
{ vtkErrorMacro( << "RemoveInput() must be called with a vtkImageData not a vtkDataObject."); };
private:
vtkImageMultipleInputFilter(const vtkImageMultipleInputFilter&); // Not implemented.
void operator=(const vtkImageMultipleInputFilter&); // Not implemented.
};
#endif
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