Imaging/vtkImageExport.h

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

  Program:   Visualization Toolkit
  Module:    $RCSfile: vtkImageExport.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.

=========================================================================*/
#ifndef __vtkImageExport_h
#define __vtkImageExport_h

#include "vtkProcessObject.h"

class vtkImageData;

class VTK_IMAGING_EXPORT vtkImageExport : public vtkProcessObject
{
public:
  static vtkImageExport *New();
  vtkTypeRevisionMacro(vtkImageExport,vtkProcessObject);
  void PrintSelf(ostream& os, vtkIndent indent);
  
  int GetDataMemorySize();


  void GetDataDimensions(int *ptr);
  int *GetDataDimensions() { 
    this->GetDataDimensions(this->DataDimensions);
    return this->DataDimensions; }

  int GetDataNumberOfScalarComponents();


  int GetDataScalarType();
  const char *GetDataScalarTypeAsString() { 
    return vtkImageScalarTypeNameMacro(this->GetDataScalarType()); }


  int *GetDataExtent();
  void GetDataExtent(int *ptr);
  double *GetDataSpacing();
  void GetDataSpacing(double *ptr);
  double *GetDataOrigin();
  void GetDataOrigin(double *ptr);


  void SetInput(vtkImageData *input);
  vtkImageData *GetInput();


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


  void SetExportVoidPointer(void *);
  void *GetExportVoidPointer() { return this->ExportVoidPointer; };


  void Export() { this->Export(this->ExportVoidPointer); };
  virtual void Export(void *);

  void *GetPointerToData();

  void* GetCallbackUserData();
  
  //BTX

  typedef void (*UpdateInformationCallbackType)(void*);
  typedef int (*PipelineModifiedCallbackType)(void*);
  typedef int* (*WholeExtentCallbackType)(void*);
  typedef double* (*SpacingCallbackType)(void*);
  typedef double* (*OriginCallbackType)(void*);
  typedef const char* (*ScalarTypeCallbackType)(void*); 
  typedef int (*NumberOfComponentsCallbackType)(void*);
  typedef void (*PropagateUpdateExtentCallbackType)(void*, int*);
  typedef void (*UpdateDataCallbackType)(void*);
  typedef int* (*DataExtentCallbackType)(void*);
  typedef void* (*BufferPointerCallbackType)(void*);
  

  UpdateInformationCallbackType     GetUpdateInformationCallback() const;
  PipelineModifiedCallbackType      GetPipelineModifiedCallback() const;
  WholeExtentCallbackType           GetWholeExtentCallback() const;
  SpacingCallbackType               GetSpacingCallback() const;
  OriginCallbackType                GetOriginCallback() const;
  ScalarTypeCallbackType            GetScalarTypeCallback() const;
  NumberOfComponentsCallbackType    GetNumberOfComponentsCallback() const;
  PropagateUpdateExtentCallbackType GetPropagateUpdateExtentCallback() const;
  UpdateDataCallbackType            GetUpdateDataCallback() const;
  DataExtentCallbackType            GetDataExtentCallback() const;
  BufferPointerCallbackType         GetBufferPointerCallback() const;
  //ETX

protected:
  vtkImageExport();
  ~vtkImageExport();
  
  virtual void UpdateInformationCallback();
  virtual int PipelineModifiedCallback();
  virtual void UpdateDataCallback();  
  virtual int* WholeExtentCallback();
  virtual double* SpacingCallback();
  virtual double* OriginCallback();
  virtual const char* ScalarTypeCallback();
  virtual int NumberOfComponentsCallback();
  virtual void PropagateUpdateExtentCallback(int*);
  virtual int* DataExtentCallback();
  virtual void* BufferPointerCallback();

  int ImageLowerLeft;
  int DataDimensions[3];
  void *ExportVoidPointer;

  unsigned long LastPipelineMTime;

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

  static void UpdateInformationCallbackFunction(void*);
  static int PipelineModifiedCallbackFunction(void*);
  static int* WholeExtentCallbackFunction(void*);
  static double* SpacingCallbackFunction(void*);
  static double* OriginCallbackFunction(void*);
  static const char* ScalarTypeCallbackFunction(void*); 
  static int NumberOfComponentsCallbackFunction(void*);
  static void PropagateUpdateExtentCallbackFunction(void*, int*);
  static void UpdateDataCallbackFunction(void*);
  static int* DataExtentCallbackFunction(void*);
  static void* BufferPointerCallbackFunction(void*);
};

#endif

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