vtkImageBSplineCoefficients.h

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/*=========================================================================

  Program:   Visualization Toolkit
  Module:    vtkImageBSplineCoefficients.h

  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.

=========================================================================*/
#ifndef vtkImageBSplineCoefficients_h
#define vtkImageBSplineCoefficients_h


#include "vtkImagingCoreModule.h" // For export macro
#include "vtkThreadedImageAlgorithm.h"
#include "vtkImageBSplineInterpolator.h" // for constants

class VTKIMAGINGCORE_EXPORT vtkImageBSplineCoefficients :
  public vtkThreadedImageAlgorithm
{
public:
  static vtkImageBSplineCoefficients *New();
  vtkTypeMacro(vtkImageBSplineCoefficients,vtkThreadedImageAlgorithm);

  void PrintSelf(ostream& os, vtkIndent indent);


  vtkSetClampMacro(SplineDegree, int, 0, VTK_IMAGE_BSPLINE_DEGREE_MAX);
  vtkGetMacro(SplineDegree, int);


  vtkSetClampMacro(BorderMode, int,
                   VTK_IMAGE_BORDER_CLAMP, VTK_IMAGE_BORDER_MIRROR);
  void SetBorderModeToClamp() {
    this->SetBorderMode(VTK_IMAGE_BORDER_CLAMP); }
  void SetBorderModeToRepeat() {
    this->SetBorderMode(VTK_IMAGE_BORDER_REPEAT); }
  void SetBorderModeToMirror() {
    this->SetBorderMode(VTK_IMAGE_BORDER_MIRROR); }
  vtkGetMacro(BorderMode, int);
  const char *GetBorderModeAsString();


  vtkSetClampMacro(OutputScalarType, int, VTK_FLOAT, VTK_DOUBLE);
  vtkGetMacro(OutputScalarType, int);
  void SetOutputScalarTypeToFloat() {
    this->SetOutputScalarType(VTK_FLOAT); }
  void SetOutputScalarTypeToDouble() {
    this->SetOutputScalarType(VTK_DOUBLE); }
  const char *GetOutputScalarTypeAsString();


  vtkSetMacro(Bypass, int);
  vtkBooleanMacro(Bypass, int);
  vtkGetMacro(Bypass, int);

  int CheckBounds(const double point[3]);


  void Evaluate(const double point[3], double *value);
  double Evaluate(double x, double y, double z);
  double Evaluate(const double point[3]) {
    return this->Evaluate(point[0], point[1], point[2]); }

  int SplitExtent(int splitExt[6], int startExt[6], int num, int total);

protected:
  vtkImageBSplineCoefficients();
  ~vtkImageBSplineCoefficients();

  virtual void AllocateOutputData(
    vtkImageData *out, vtkInformation *outInfo, int *uExtent);
  virtual vtkImageData *AllocateOutputData(
    vtkDataObject *out, vtkInformation* outInfo);

  virtual int RequestData(
    vtkInformation*, vtkInformationVector**, vtkInformationVector*);
  virtual int RequestInformation(
    vtkInformation*, vtkInformationVector**, vtkInformationVector*);
  virtual int RequestUpdateExtent(
    vtkInformation*, vtkInformationVector**, vtkInformationVector*);

  virtual void ThreadedExecute(vtkImageData *inData, vtkImageData *outData,
                               int outExt[6], int threadId);

  int SplineDegree;
  int BorderMode;
  int OutputScalarType;
  int Bypass;
  int DataWasPassed;
  int Iteration;

private:
  vtkImageBSplineCoefficients(const vtkImageBSplineCoefficients&);  // Not implemented.
  void operator=(const vtkImageBSplineCoefficients&);  // Not implemented.
};

#endif