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/*=========================================================================
Program: GDCM (Grassroots DICOM). A DICOM library
Copyright (c) 2006-2011 Mathieu Malaterre
All rights reserved.
See Copyright.txt or http://gdcm.sourceforge.net/Copyright.html 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 GDCMFILECHANGETRANSFERSYNTAX_H
#define GDCMFILECHANGETRANSFERSYNTAX_H
#include "gdcmSubject.h"
#include "gdcmSmartPointer.h"
namespace gdcm
{
class FileChangeTransferSyntaxInternals;
class ImageCodec;
class TransferSyntax;
/**
* \brief FileChangeTransferSyntax
*
* This class is a file-based (limited) replacement of the in-memory
* ImageChangeTransferSyntax.
*
* This class provide a file-based compression-only mecanism. It will take in
* an uncompressed DICOM image file (Pixel Data element). Then produced as
* output a compressed DICOM file (Transfer Syntax will be updated).
*
* Currently it supports the following transfer syntax:
* - JPEGLosslessProcess14_1
*/
class GDCM_EXPORT FileChangeTransferSyntax : public Subject
{
public:
FileChangeTransferSyntax();
~FileChangeTransferSyntax();
/// Set input filename (raw DICOM)
void SetInputFileName(const char *filename_native);
/// Set output filename (target compressed DICOM)
void SetOutputFileName(const char *filename_native);
/// Change the transfer syntax
bool Change();
/// Specify the Target Transfer Syntax
void SetTransferSyntax( TransferSyntax const & ts );
/// Retrieve the actual codec (valid after calling SetTransferSyntax)
/// Only advanced users should call this function.
ImageCodec * GetCodec();
/// for wrapped language: instantiate a reference counted object
static SmartPointer<FileChangeTransferSyntax> New() { return new FileChangeTransferSyntax; }
private:
bool InitializeCopy();
bool UpdateCompressionLevel(double level);
FileChangeTransferSyntaxInternals *Internals;
};
} // end namespace gdcm
#endif //GDCMFILEANONYMIZER_H
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