vtkImageDataLIC2D.h

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

  Program:   Visualization Toolkit
  Module:    vtkImageDataLIC2D.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 vtkImageDataLIC2D_h
#define vtkImageDataLIC2D_h

#include "vtkRenderingLICModule.h" // For export macro
#include "vtkImageAlgorithm.h"
#include "vtkWeakPointer.h" // needed for vtkWeakPointer.

class vtkRenderWindow;
class vtkImageNoiseSource;
class vtkImageCast;
class vtkShaderProgram2;

class VTKRENDERINGLIC_EXPORT vtkImageDataLIC2D : public vtkImageAlgorithm
{
public:
  static vtkImageDataLIC2D* New();
  vtkTypeMacro(vtkImageDataLIC2D, vtkImageAlgorithm);
  void PrintSelf(ostream& os, vtkIndent indent);


  int SetContext( vtkRenderWindow * context );
  vtkRenderWindow * GetContext();


  vtkSetMacro(Steps,int);
  vtkGetMacro(Steps,int);


  vtkSetMacro(StepSize, double);
  vtkGetMacro(StepSize, double);


  vtkSetMacro(Magnification, int);
  vtkGetMacro(Magnification, int);


  vtkGetMacro(OpenGLExtensionsSupported, int);

  void TranslateInputExtent(
        const int* inExt,
        const int* inWholeExtent,
        int *outExt);

//BTX
protected:
  vtkImageDataLIC2D();
  ~vtkImageDataLIC2D();

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


  virtual int FillInputPortInformation(int port,
                                       vtkInformation *info);

  int RequestUpdateExtent (vtkInformation * vtkNotUsed(request),
                           vtkInformationVector **inputVector,
                           vtkInformationVector *vtkNotUsed( outputVector ));


  virtual int RequestData(vtkInformation *request,
                          vtkInformationVector **inputVector,
                          vtkInformationVector *outputVector);

  vtkWeakPointer<vtkRenderWindow> Context;
  bool OwnWindow;
  int OpenGLExtensionsSupported;

  vtkShaderProgram2 *MagShader;

  vtkImageNoiseSource* NoiseSource;
  vtkImageCast *ImageCast;

  int Steps;
  double StepSize;
  int Magnification;



private:
  vtkImageDataLIC2D(const vtkImageDataLIC2D&); // Not implemented.
  void operator=(const vtkImageDataLIC2D&); // Not implemented.
//ETX
};

#endif