mapnik/src/image_util_tiff.cpp
Mathis Logemann e7c3d04309 format dir include and src
format all files

Revert "format all files"

This reverts commit 95d5812e49e7f916b68e786596f5a8eb5bcac414.

Revert "format some files"

This reverts commit ed3c8762d4d828b2b28e7b18809fc33f4f8ccaf5.

format all files

fix formatting in dir include

fix formatting of debug macro
2022-01-27 00:12:08 +01:00

204 lines
7.7 KiB
C++

/*****************************************************************************
*
* This file is part of Mapnik (c++ mapping toolkit)
*
* Copyright (C) 2021 Artem Pavlenko
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*****************************************************************************/
// mapnik
#if defined(HAVE_TIFF)
#include <mapnik/tiff_io.hpp>
#endif
#include <mapnik/image_util.hpp>
#include <mapnik/image_util_tiff.hpp>
#include <mapnik/image.hpp>
#include <mapnik/image_view.hpp>
#include <mapnik/image_options.hpp>
#include <mapnik/util/conversions.hpp>
// stl
#include <string>
namespace mapnik {
#if defined(HAVE_TIFF)
void handle_tiff_options(std::string const& type, tiff_config& config)
{
if (type == "tiff")
{
return;
}
if (type.length() > 4)
{
for (auto const& kv : parse_image_options(type))
{
auto const& key = kv.first;
auto const& val = kv.second;
if (key == "tiff")
continue;
else if (key == "compression")
{
if (val && !(*val).empty())
{
if (*val == "deflate")
{
config.compression = COMPRESSION_DEFLATE;
}
else if (*val == "adobedeflate")
{
config.compression = COMPRESSION_ADOBE_DEFLATE;
}
else if (*val == "lzw")
{
config.compression = COMPRESSION_LZW;
}
else if (*val == "none")
{
config.compression = COMPRESSION_NONE;
}
else
{
throw image_writer_exception("invalid tiff compression: '" + *val + "'");
}
}
}
else if (key == "method")
{
if (val && !(*val).empty())
{
if (*val == "scanline")
{
config.method = TIFF_WRITE_SCANLINE;
}
else if (*val == "strip" || *val == "stripped")
{
config.method = TIFF_WRITE_STRIPPED;
}
else if (*val == "tiled")
{
config.method = TIFF_WRITE_TILED;
}
else
{
throw image_writer_exception("invalid tiff method: '" + *val + "'");
}
}
}
else if (key == "zlevel")
{
if (val && !(*val).empty())
{
if (!mapnik::util::string2int(*val, config.zlevel) || config.zlevel < 0 || config.zlevel > 9)
{
throw image_writer_exception("invalid tiff zlevel: '" + *val + "'");
}
}
}
else if (key == "tile_height")
{
if (val && !(*val).empty())
{
if (!mapnik::util::string2int(*val, config.tile_height) || config.tile_height < 0)
{
throw image_writer_exception("invalid tiff tile_height: '" + *val + "'");
}
}
}
else if (key == "tile_width")
{
if (val && !(*val).empty())
{
if (!mapnik::util::string2int(*val, config.tile_width) || config.tile_width < 0)
{
throw image_writer_exception("invalid tiff tile_width: '" + *val + "'");
}
}
}
else if (key == "rows_per_strip")
{
if (val && !(*val).empty())
{
if (!mapnik::util::string2int(*val, config.rows_per_strip) || config.rows_per_strip < 0)
{
throw image_writer_exception("invalid tiff rows_per_strip: '" + *val + "'");
}
}
}
else
{
throw image_writer_exception("unhandled tiff option: " + key);
}
}
}
}
#endif
tiff_saver::tiff_saver(std::ostream& stream, std::string const& t)
: stream_(stream)
, t_(t)
{}
template<>
void tiff_saver::operator()<image_null>(image_null const& image) const
{
throw image_writer_exception("null images not supported");
}
template<>
void tiff_saver::operator()<image_view_null>(image_view_null const& image) const
{
throw image_writer_exception("null image views not supported");
}
template<typename T>
void tiff_saver::operator()(T const& image) const
{
#if defined(HAVE_TIFF)
tiff_config opts;
handle_tiff_options(t_, opts);
save_as_tiff(stream_, image, opts);
#else
throw image_writer_exception("tiff output is not enabled in your build of Mapnik");
#endif
}
template void tiff_saver::operator()<image_rgba8>(image_rgba8 const& image) const;
template void tiff_saver::operator()<image_gray8>(image_gray8 const& image) const;
template void tiff_saver::operator()<image_gray8s>(image_gray8s const& image) const;
template void tiff_saver::operator()<image_gray16>(image_gray16 const& image) const;
template void tiff_saver::operator()<image_gray16s>(image_gray16s const& image) const;
template void tiff_saver::operator()<image_gray32>(image_gray32 const& image) const;
template void tiff_saver::operator()<image_gray32s>(image_gray32s const& image) const;
template void tiff_saver::operator()<image_gray32f>(image_gray32f const& image) const;
template void tiff_saver::operator()<image_gray64>(image_gray64 const& image) const;
template void tiff_saver::operator()<image_gray64s>(image_gray64s const& image) const;
template void tiff_saver::operator()<image_gray64f>(image_gray64f const& image) const;
template void tiff_saver::operator()<image_view_rgba8>(image_view_rgba8 const& image) const;
template void tiff_saver::operator()<image_view_gray8>(image_view_gray8 const& image) const;
template void tiff_saver::operator()<image_view_gray8s>(image_view_gray8s const& image) const;
template void tiff_saver::operator()<image_view_gray16>(image_view_gray16 const& image) const;
template void tiff_saver::operator()<image_view_gray16s>(image_view_gray16s const& image) const;
template void tiff_saver::operator()<image_view_gray32>(image_view_gray32 const& image) const;
template void tiff_saver::operator()<image_view_gray32s>(image_view_gray32s const& image) const;
template void tiff_saver::operator()<image_view_gray32f>(image_view_gray32f const& image) const;
template void tiff_saver::operator()<image_view_gray64>(image_view_gray64 const& image) const;
template void tiff_saver::operator()<image_view_gray64s>(image_view_gray64s const& image) const;
template void tiff_saver::operator()<image_view_gray64f>(image_view_gray64f const& image) const;
} // namespace mapnik