dox/Imaging/vtkImageImport.h

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

  Program:   Visualization Toolkit
  Module:    vtkImageImport.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 __vtkImageImport_h
#define __vtkImageImport_h

#include "vtkImageAlgorithm.h"

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

  void CopyImportVoidPointer(void *ptr, int size);
  

  void SetImportVoidPointer(void *ptr);
  void *GetImportVoidPointer() {return this->ImportVoidPointer;};

  void SetImportVoidPointer(void *ptr, int save);
  

  vtkSetMacro(DataScalarType,int);
  void SetDataScalarTypeToDouble(){this->SetDataScalarType(VTK_DOUBLE);}
  void SetDataScalarTypeToFloat(){this->SetDataScalarType(VTK_FLOAT);}
  void SetDataScalarTypeToInt(){this->SetDataScalarType(VTK_INT);}
  void SetDataScalarTypeToShort(){this->SetDataScalarType(VTK_SHORT);}
  void SetDataScalarTypeToUnsignedShort()
    {this->SetDataScalarType(VTK_UNSIGNED_SHORT);}
  void SetDataScalarTypeToUnsignedChar()
    {this->SetDataScalarType(VTK_UNSIGNED_CHAR);}
  vtkGetMacro(DataScalarType, int);
  const char *GetDataScalarTypeAsString() { 
    return vtkImageScalarTypeNameMacro(this->DataScalarType); }


  vtkSetMacro(NumberOfScalarComponents,int);
  vtkGetMacro(NumberOfScalarComponents,int);
  

  vtkSetVector6Macro(DataExtent,int);
  vtkGetVector6Macro(DataExtent,int);
  void SetDataExtentToWholeExtent()
    {this->SetDataExtent(this->GetWholeExtent());}
  

  vtkSetVector3Macro(DataSpacing,double);
  vtkGetVector3Macro(DataSpacing,double);
  

  vtkSetVector3Macro(DataOrigin,double);
  vtkGetVector3Macro(DataOrigin,double);  


  vtkSetVector6Macro(WholeExtent,int);
  vtkGetVector6Macro(WholeExtent,int);
  

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


  vtkSetStringMacro(ScalarArrayName);
  vtkGetStringMacro(ScalarArrayName);

  //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*);


  vtkSetMacro(UpdateInformationCallback, UpdateInformationCallbackType);
  vtkGetMacro(UpdateInformationCallback, UpdateInformationCallbackType);
  

  vtkSetMacro(PipelineModifiedCallback, PipelineModifiedCallbackType);
  vtkGetMacro(PipelineModifiedCallback, PipelineModifiedCallbackType);


  vtkSetMacro(WholeExtentCallback, WholeExtentCallbackType);
  vtkGetMacro(WholeExtentCallback, WholeExtentCallbackType);


  vtkSetMacro(SpacingCallback, SpacingCallbackType);
  vtkGetMacro(SpacingCallback, SpacingCallbackType);


  vtkSetMacro(OriginCallback, OriginCallbackType);
  vtkGetMacro(OriginCallback, OriginCallbackType);


  vtkSetMacro(ScalarTypeCallback, ScalarTypeCallbackType);
  vtkGetMacro(ScalarTypeCallback, ScalarTypeCallbackType);
  

  vtkSetMacro(NumberOfComponentsCallback, NumberOfComponentsCallbackType);
  vtkGetMacro(NumberOfComponentsCallback, NumberOfComponentsCallbackType);
  

  vtkSetMacro(PropagateUpdateExtentCallback,PropagateUpdateExtentCallbackType);
  vtkGetMacro(PropagateUpdateExtentCallback,PropagateUpdateExtentCallbackType);
  

  vtkSetMacro(UpdateDataCallback, UpdateDataCallbackType);
  vtkGetMacro(UpdateDataCallback, UpdateDataCallbackType);
  

  vtkSetMacro(DataExtentCallback, DataExtentCallbackType);
  vtkGetMacro(DataExtentCallback, DataExtentCallbackType);
  

  vtkSetMacro(BufferPointerCallback, BufferPointerCallbackType);
  vtkGetMacro(BufferPointerCallback, BufferPointerCallbackType);


  vtkSetMacro(CallbackUserData, void*);
  vtkGetMacro(CallbackUserData, void*);  
  
  //ETX


  int InvokePipelineModifiedCallbacks();
  void InvokeUpdateInformationCallbacks();
  void InvokeExecuteInformationCallbacks();
  void InvokeExecuteDataCallbacks();
  void LegacyCheckWholeExtent();

protected:
  vtkImageImport();
  ~vtkImageImport();

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

  
  void *ImportVoidPointer;
  int SaveUserArray;
  
  int NumberOfScalarComponents;
  int DataScalarType;

  int WholeExtent[6];
  int DataExtent[6];
  double DataSpacing[3];
  double DataOrigin[3];

  char *ScalarArrayName;
  void* CallbackUserData;
  
  //BTX
  UpdateInformationCallbackType     UpdateInformationCallback;
  PipelineModifiedCallbackType      PipelineModifiedCallback;
  WholeExtentCallbackType           WholeExtentCallback;
  SpacingCallbackType               SpacingCallback;
  OriginCallbackType                OriginCallback;
  ScalarTypeCallbackType            ScalarTypeCallback;
  NumberOfComponentsCallbackType    NumberOfComponentsCallback;
  PropagateUpdateExtentCallbackType PropagateUpdateExtentCallback;
  UpdateDataCallbackType            UpdateDataCallback;
  DataExtentCallbackType            DataExtentCallback;
  BufferPointerCallbackType         BufferPointerCallback;
  //ETX
  
  virtual void ExecuteData(vtkDataObject *d);

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

#endif

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