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132 lines
4.8 KiB
132 lines
4.8 KiB
/*=========================================================================
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Program: Visualization Toolkit
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Module: $RCSfile: vtkImageAlgorithm.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 vtkImageAlgorithm - Generic algorithm superclass for image algs
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// .SECTION Description
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// vtkImageToImageAlgorithm is a filter superclass that hides much of the
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// pipeline complexity. It handles breaking the pipeline execution
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// into smaller extents so that the vtkImageData limits are observed. It
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// also provides support for multithreading. If you don't need any of this
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// functionality, consider using vtkSimpleImageToImageAlgorithm instead.
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// .SECTION See also
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// vtkSimpleImageToImageAlgorithm
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#ifndef __vtkImageAlgorithm_h
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#define __vtkImageAlgorithm_h
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#include "vtkAlgorithm.h"
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class vtkDataSet;
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class vtkImageData;
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class VTK_FILTERING_EXPORT vtkImageAlgorithm : public vtkAlgorithm
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{
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public:
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vtkTypeRevisionMacro(vtkImageAlgorithm,vtkAlgorithm);
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void PrintSelf(ostream& os, vtkIndent indent);
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// Description:
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// Get the output data object for a port on this algorithm.
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vtkImageData* GetOutput();
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vtkImageData* GetOutput(int);
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virtual void SetOutput(vtkDataObject* d);
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// Description:
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// see vtkAlgorithm for details
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virtual int ProcessRequest(vtkInformation*,
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vtkInformationVector**,
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vtkInformationVector*);
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// Description:
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// Set an input of this algorithm. You should not override these
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// methods because they are not the only way to connect a pipeline.
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// Note that these methods support old-style pipeline connections.
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// When writing new code you should use the more general
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// vtkAlgorithm::SetInputConnection(). These methods transform the
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// input index to the input port index, not an index of a connection
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// within a single port.
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void SetInput(vtkDataObject *);
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void SetInput(int, vtkDataObject*);
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// this method is not recommended for use, but lots of old style filters
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// use it
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vtkDataObject *GetInput(int port);
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vtkDataObject *GetInput() { return this->GetInput(0); };
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vtkImageData *GetImageDataInput(int port);
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// Description:
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// Add an input of this algorithm. Note that these methods support
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// old-style pipeline connections. When writing new code you should
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// use the more general vtkAlgorithm::AddInputConnection(). See
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// SetInput() for details.
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virtual void AddInput(vtkDataObject *);
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virtual void AddInput(int, vtkDataObject*);
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protected:
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vtkImageAlgorithm();
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~vtkImageAlgorithm();
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// convenience method
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virtual int RequestInformation(vtkInformation* request,
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vtkInformationVector** inputVector,
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vtkInformationVector* outputVector);
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virtual int RequestUpdateExtent(vtkInformation*,
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vtkInformationVector**,
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vtkInformationVector*);
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// convenience method to copy the selected scalars type and num components
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// to the output info. Call this from inside your RequestInformation
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virtual void CopyInputArrayAttributesToOutput(vtkInformation* request,
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vtkInformationVector** inputVector,
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vtkInformationVector* outputVector);
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// Description:
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// This is called by the superclass.
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// This is the method you should override.
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virtual int RequestData(vtkInformation *request,
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vtkInformationVector** inputVector,
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vtkInformationVector* outputVector);
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// Description:
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// This method is the old style execute method
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virtual void ExecuteData(vtkDataObject *output);
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virtual void Execute();
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// just allocate the output data
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virtual void AllocateOutputData(vtkImageData *out,
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int *uExtent);
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virtual vtkImageData *AllocateOutputData(vtkDataObject *out);
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// copy the other point and cell data
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virtual void CopyAttributeData(vtkImageData *in, vtkImageData *out,
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vtkInformationVector** inputVector);
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// see algorithm for more info
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virtual int FillOutputPortInformation(int port, vtkInformation* info);
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virtual int FillInputPortInformation(int port, vtkInformation* info);
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private:
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vtkImageAlgorithm(const vtkImageAlgorithm&); // Not implemented.
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void operator=(const vtkImageAlgorithm&); // Not implemented.
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};
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#endif
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