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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/.
*/
#include <memory>
#include "image_io/scratch.h"
#include "header.h"
namespace MR
{
namespace ImageIO
{
bool Scratch::is_file_backed () const { return false; }
void Scratch::load (const Header& header, size_t buffer_size)
{
assert (buffer_size);
DEBUG ("allocating scratch buffer for image \"" + header.name() + "\"...");
try {
addresses.push_back (std::unique_ptr<uint8_t[]> (new uint8_t [buffer_size]));
memset (addresses[0].get(), 0, buffer_size);
} catch (...) {
throw Exception ("Error allocating memory for scratch buffer");
}
}
void Scratch::unload (const Header& header)
{
if (addresses.size()) {
DEBUG ("deleting scratch buffer for image \"" + header.name() + "\"...");
addresses[0].reset();
}
}
}
}
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