itkVTKImageExportBase.h

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/*=========================================================================
 *
 *  Copyright NumFOCUS
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *         https://www.apache.org/licenses/LICENSE-2.0.txt
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
 *
 *=========================================================================*/
#ifndef itkVTKImageExportBase_h
#define itkVTKImageExportBase_h
 
#include "itkProcessObject.h"
#include "ITKVTKExport.h"
 
namespace itk
{
class ITKVTK_EXPORT VTKImageExportBase : public ProcessObject
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(VTKImageExportBase);

  using Self = VTKImageExportBase;
  using Superclass = ProcessObject;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;

  itkOverrideGetNameOfClassMacro(VTKImageExportBase);

  void *
  GetCallbackUserData();

  using UpdateInformationCallbackType = void (*)(void *);
  using PipelineModifiedCallbackType = int (*)(void *);
  using WholeExtentCallbackType = int * (*)(void *);
  using SpacingCallbackType = double * (*)(void *);
  using OriginCallbackType = double * (*)(void *);
  using DirectionCallbackType = double * (*)(void *);
  using ScalarTypeCallbackType = const char * (*)(void *);
  using NumberOfComponentsCallbackType = int (*)(void *);
  using PropagateUpdateExtentCallbackType = void (*)(void *, int *);
  using UpdateDataCallbackType = void (*)(void *);
  using DataExtentCallbackType = int * (*)(void *);
  using BufferPointerCallbackType = void * (*)(void *);
  using FloatSpacingCallbackType = float * (*)(void *);
  using FloatOriginCallbackType = float * (*)(void *);
  class CallbackTypeProxy
  {
  public:
    using DoubleCallbackType = double * (*)(void *);
    using FloatCallbackType = float * (*)(void *);
    operator DoubleCallbackType() { return m_DoubleCallback; }
 
    operator FloatCallbackType() { return m_FloatCallback; }
    CallbackTypeProxy(DoubleCallbackType d, FloatCallbackType f)
      : m_DoubleCallback(d)
      , m_FloatCallback(f)
    {}
 
  private:
    DoubleCallbackType m_DoubleCallback;
    FloatCallbackType  m_FloatCallback;
  };

  UpdateInformationCallbackType
  GetUpdateInformationCallback() const;
 
  PipelineModifiedCallbackType
  GetPipelineModifiedCallback() const;
 
  WholeExtentCallbackType
  GetWholeExtentCallback() const;
 
  CallbackTypeProxy
  GetSpacingCallback() const;
 
  CallbackTypeProxy
  GetOriginCallback() const;
 
  DirectionCallbackType
  GetDirectionCallback() const;
 
  ScalarTypeCallbackType
  GetScalarTypeCallback() const;
 
  NumberOfComponentsCallbackType
  GetNumberOfComponentsCallback() const;
 
  PropagateUpdateExtentCallbackType
  GetPropagateUpdateExtentCallback() const;
 
  UpdateDataCallbackType
  GetUpdateDataCallback() const;
 
  DataExtentCallbackType
  GetDataExtentCallback() const;
 
  BufferPointerCallbackType
  GetBufferPointerCallback() const;
 
protected:
  VTKImageExportBase();
  ~VTKImageExportBase() override = default;
  void
  PrintSelf(std::ostream & os, Indent indent) const override;
 
  using DataObjectPointer = DataObject::Pointer;
 
  virtual void
  UpdateInformationCallback();
 
  virtual int
  PipelineModifiedCallback();
 
  virtual void
  UpdateDataCallback();

  virtual int *
  WholeExtentCallback() = 0;
 
  virtual double *
  SpacingCallback() = 0;
 
  virtual double *
  OriginCallback() = 0;
 
  virtual double *
  DirectionCallback() = 0;
 
  virtual float *
  FloatSpacingCallback() = 0;
 
  virtual float *
  FloatOriginCallback() = 0;
 
  virtual const char *
  ScalarTypeCallback() = 0;
 
  virtual int
  NumberOfComponentsCallback() = 0;
 
  virtual void
  PropagateUpdateExtentCallback(int *) = 0;
 
  virtual int *
  DataExtentCallback() = 0;
 
  virtual void *
  BufferPointerCallback() = 0;
 
private:
  static void
  UpdateInformationCallbackFunction(void *);
 
  static int
  PipelineModifiedCallbackFunction(void *);
 
  static int *
  WholeExtentCallbackFunction(void *);
 
  static double *
  SpacingCallbackFunction(void *);
 
  static double *
  OriginCallbackFunction(void *);
 
  static double *
  DirectionCallbackFunction(void *);
 
  static float *
  FloatSpacingCallbackFunction(void *);
 
  static float *
  FloatOriginCallbackFunction(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 *);
 
private:
  ModifiedTimeType m_LastPipelineMTime{};
};
} // end namespace itk
 
#endif