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/* Copyright (c) 2008-2022 the MRtrix3 contributors.
*
* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at http://mozilla.org/MPL/2.0/.
*
* Covered Software is provided under this License on an "as is"
* basis, without warranty of any kind, either expressed, implied, or
* statutory, including, without limitation, warranties that the
* Covered Software is free of defects, merchantable, fit for a
* particular purpose or non-infringing.
* See the Mozilla Public License v. 2.0 for more details.
*
* For more details, see http://www.mrtrix.org/.
*/
#ifndef __image_io_gz_h__
#define __image_io_gz_h__
#include "image_io/base.h"
#include "file/mmap.h"
namespace MR
{
namespace ImageIO
{
class GZ : public Base
{ NOMEMALIGN
public:
GZ (GZ&&) = default;
GZ (const Header& header, size_t file_header_size, size_t file_tailer_size = 0) :
Base (header),
lead_in_size (file_header_size),
lead_out_size (file_tailer_size),
lead_in (file_header_size ? new uint8_t [file_header_size] : nullptr),
lead_out (file_tailer_size ? new uint8_t [file_tailer_size] : nullptr) { }
uint8_t* header () {
return lead_in.get();
}
uint8_t* tailer () {
return lead_out.get();
}
protected:
int64_t bytes_per_segment;
size_t lead_in_size, lead_out_size;
std::unique_ptr<uint8_t[]> lead_in, lead_out;
virtual void load (const Header&, size_t);
virtual void unload (const Header&);
};
}
}
#endif
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