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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/.
*/
#ifdef MRTRIX_TIFF_SUPPORT
#include "file/config.h"
#include "file/path.h"
#include "formats/list.h"
#include "header.h"
#include "file/tiff.h"
#include "image_io/tiff.h"
namespace MR
{
namespace Formats
{
std::unique_ptr<ImageIO::Base> TIFF::read (Header& H) const
{
if (! (Path::has_suffix (H.name(), ".tiff") ||
Path::has_suffix (H.name(), ".tif") ||
Path::has_suffix (H.name(), ".TIFF") ||
Path::has_suffix (H.name(), ".TIF")))
return std::unique_ptr<ImageIO::Base>();
File::TIFF tif (H.name());
uint32_t width(0), height(0);
uint16_t bpp(0), sampleformat(0), samplesperpixel(0), config (0);
size_t ndir = 0;
do {
tif.read_and_check (TIFFTAG_IMAGEWIDTH, width);
tif.read_and_check (TIFFTAG_IMAGELENGTH, height);
tif.read_and_check (TIFFTAG_BITSPERSAMPLE, bpp);
tif.read_and_check (TIFFTAG_SAMPLEFORMAT, sampleformat);
tif.read_and_check (TIFFTAG_SAMPLESPERPIXEL, samplesperpixel);
tif.read_and_check (TIFFTAG_PLANARCONFIG, config);
++ndir;
} while (tif.read_directory() != 0);
H.ndim() = samplesperpixel > 1 ? 4 : 3;
H.size(0) = width;
H.stride(0) = 2;
H.size(1) = height;
H.stride(1) = 3;
H.size(2) = ndir;
H.stride(2) = 4;
if (samplesperpixel > 1) {
H.size(3) = samplesperpixel;
H.stride(3) = (config == PLANARCONFIG_CONTIG ? 1 : 5);
}
H.datatype() = DataType::Undefined;
switch (bpp) {
case 8:
switch (sampleformat) {
case 1: H.datatype() = DataType::UInt8; break;
case 2: H.datatype() = DataType::Int8; break;
}
break;
case 16:
switch (sampleformat) {
case 1: H.datatype() = DataType::UInt16; break;
case 2: H.datatype() = DataType::Int16; break;
}
break;
case 32:
switch (sampleformat) {
case 1: H.datatype() = DataType::UInt32; break;
case 2: H.datatype() = DataType::Int32; break;
case 3: H.datatype() = DataType::Float32; break;
}
break;
}
if (H.datatype() == DataType::Undefined)
throw Exception ("unrecognised or unsupported data type in TIFF file \"" + H.name() + "\"");
H.datatype().set_byte_order_native();
std::unique_ptr<ImageIO::Base> io_handler (new ImageIO::TIFF (H));
io_handler->files.push_back (File::Entry (H.name(), 0));
return io_handler;
}
bool TIFF::check (Header& H, size_t num_axes) const
{
if (Path::has_suffix (H.name(), ".tiff") ||
Path::has_suffix (H.name(), ".tif") ||
Path::has_suffix (H.name(), ".TIFF") ||
Path::has_suffix (H.name(), ".TIF"))
throw Exception ("TIFF format not supported for output");
return false;
}
std::unique_ptr<ImageIO::Base> TIFF::create (Header& H) const
{
return std::unique_ptr<ImageIO::Base>();
}
}
}
#endif
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