itkPNGImageIO.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  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
 *
 *         http://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 itkPNGImageIO_h
#define itkPNGImageIO_h
#include "ITKIOPNGExport.h"


#include "itkImageIOBase.h"

namespace itk
{
class ITKIOPNG_EXPORT PNGImageIO:public ImageIOBase
{
public:
  typedef PNGImageIO           Self;
  typedef ImageIOBase          Superclass;
  typedef SmartPointer< Self > Pointer;

  itkNewMacro(Self);

  itkTypeMacro(PNGImageIO, ImageIOBase);

  itkSetMacro(CompressionLevel, int);
  itkGetConstMacro(CompressionLevel, int);

  /*-------- This part of the interface deals with reading data. ------ */

  virtual bool CanReadFile(const char *) ITK_OVERRIDE;

  virtual void ReadImageInformation() ITK_OVERRIDE;

  virtual void Read(void *buffer) ITK_OVERRIDE;

  virtual void ReadVolume(void *buffer);

  /*-------- This part of the interfaces deals with writing data. ----- */

  virtual bool CanWriteFile(const char *) ITK_OVERRIDE;

  virtual void WriteImageInformation() ITK_OVERRIDE;

  virtual void Write(const void *buffer) ITK_OVERRIDE;

protected:
  PNGImageIO();
  ~PNGImageIO();
  virtual void PrintSelf(std::ostream & os, Indent indent) const ITK_OVERRIDE;

  void WriteSlice(const std::string & fileName, const void *buffer);

  int m_CompressionLevel;

private:
  PNGImageIO(const Self &) ITK_DELETE_FUNCTION;
  void operator=(const Self &) ITK_DELETE_FUNCTION;
};
} // end namespace itk

#endif // itkPNGImageIO_h