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00001 /*=========================================================================
00002 
00003   Program:   Visualization Toolkit
00004   Module:    vtkImageGradient.h
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 =========================================================================*/
00031 #ifndef vtkImageGradient_h
00032 #define vtkImageGradient_h
00033 
00034 #include "vtkImagingGeneralModule.h" // For export macro
00035 #include "vtkThreadedImageAlgorithm.h"
00036 
00037 class VTKIMAGINGGENERAL_EXPORT vtkImageGradient : public vtkThreadedImageAlgorithm
00038 {
00039 public:
00040   static vtkImageGradient *New();
00041   vtkTypeMacro(vtkImageGradient,vtkThreadedImageAlgorithm);
00042   void PrintSelf(ostream& os, vtkIndent indent);
00043 
00045 
00046   vtkSetClampMacro(Dimensionality,int,2,3);
00047   vtkGetMacro(Dimensionality,int);
00049 
00051 
00055   vtkSetMacro(HandleBoundaries, int);
00056   vtkGetMacro(HandleBoundaries, int);
00057   vtkBooleanMacro(HandleBoundaries, int);
00059 
00060 protected:
00061   vtkImageGradient();
00062   ~vtkImageGradient() {}
00063 
00064   int HandleBoundaries;
00065   int Dimensionality;
00066 
00067   virtual int RequestInformation (vtkInformation*,
00068                                   vtkInformationVector**,
00069                                   vtkInformationVector*);
00070   virtual int RequestUpdateExtent(vtkInformation*,
00071                                   vtkInformationVector**,
00072                                   vtkInformationVector*);
00073   virtual int RequestData(vtkInformation*,
00074                           vtkInformationVector**,
00075                           vtkInformationVector*);
00076 
00077   void ThreadedRequestData(vtkInformation*,
00078                            vtkInformationVector**,
00079                            vtkInformationVector*,
00080                            vtkImageData*** inData,
00081                            vtkImageData** outData,
00082                            int outExt[6],
00083                            int threadId);
00084 private:
00085   vtkImageGradient(const vtkImageGradient&);  // Not implemented.
00086   void operator=(const vtkImageGradient&);  // Not implemented.
00087 };
00088 
00089 #endif
00090 
00091 
00092