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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 __file_tiff_h__
#define __file_tiff_h__
#include <tiffio.h>
#include "mrtrix.h"
#include "types.h"
#include "debug.h"
#include "exception.h"
#include "file/path.h"
namespace MR
{
namespace File
{
class TIFF
{ MEMALIGN (TIFF)
public:
TIFF (const std::string& filename, const char* mode = "r");
~TIFF () {
if (tif)
TIFFClose (tif);
}
template <typename dtype>
void read_and_check (ttag_t tag, dtype& var) {
dtype x;
if (TIFFGetFieldDefaulted (tif, tag, &x) != 1)
return;
if (var && var != x)
throw Exception (std::string ("mismatch between subfiles in TIFF image \"") + TIFFFileName (tif) + "\"");
var = x;
}
int read_directory () {
return TIFFReadDirectory (tif);
}
size_t scanline_size () const { return TIFFScanlineSize (tif); }
void read_scanline (tdata_t buf, size_t row, size_t sample = 0) { TIFFReadScanline (tif, buf, row, sample); }
private:
::TIFF* tif;
static void error_handler (const char* module, const char* fmt, va_list ap);
};
}
}
#endif
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