e7c3d04309
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
384 lines
14 KiB
C++
384 lines
14 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_WEBP)
|
|
#include <mapnik/webp_io.hpp>
|
|
#endif
|
|
|
|
#include <mapnik/image_util.hpp>
|
|
#include <mapnik/image_util_webp.hpp>
|
|
#include <mapnik/image.hpp>
|
|
#include <mapnik/image_any.hpp>
|
|
#include <mapnik/image_view.hpp>
|
|
#include <mapnik/image_options.hpp>
|
|
#include <mapnik/util/conversions.hpp>
|
|
|
|
// stl
|
|
#include <string>
|
|
#include <iostream>
|
|
|
|
namespace mapnik {
|
|
|
|
#if defined(HAVE_WEBP)
|
|
void handle_webp_options(std::string const& type, WebPConfig& config, bool& alpha)
|
|
{
|
|
if (type == "webp")
|
|
{
|
|
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 == "webp")
|
|
continue;
|
|
else if (key == "quality")
|
|
{
|
|
if (val && !(*val).empty())
|
|
{
|
|
double quality = 90;
|
|
if (!mapnik::util::string2double(*val, quality) || quality < 0.0 || quality > 100.0)
|
|
{
|
|
throw image_writer_exception("invalid webp quality: '" + *val + "'");
|
|
}
|
|
config.quality = static_cast<float>(quality);
|
|
}
|
|
}
|
|
else if (key == "method")
|
|
{
|
|
if (val && !(*val).empty())
|
|
{
|
|
if (!mapnik::util::string2int(*val, config.method) || config.method < 0 || config.method > 6)
|
|
{
|
|
throw image_writer_exception("invalid webp method: '" + *val + "'");
|
|
}
|
|
}
|
|
}
|
|
else if (key == "lossless")
|
|
{
|
|
if (val && !(*val).empty())
|
|
{
|
|
#if (WEBP_ENCODER_ABI_VERSION >> 8) >= 1 // >= v0.1.99 / 0x0100
|
|
if (!mapnik::util::string2int(*val, config.lossless) || config.lossless < 0 || config.lossless > 1)
|
|
{
|
|
throw image_writer_exception("invalid webp lossless: '" + *val + "'");
|
|
}
|
|
#else
|
|
#ifdef _MSC_VER
|
|
#pragma NOTE(compiling against webp that does not support the lossless flag)
|
|
#else
|
|
#warning "compiling against webp that does not support the lossless flag"
|
|
#endif
|
|
throw image_writer_exception("your webp version does not support the lossless option");
|
|
#endif
|
|
}
|
|
}
|
|
else if (key == "image_hint")
|
|
{
|
|
if (val && !(*val).empty())
|
|
{
|
|
#if (WEBP_ENCODER_ABI_VERSION >> 8) >= 1 // >= v0.1.99 / 0x0100
|
|
int image_hint = 0;
|
|
if (!mapnik::util::string2int(*val, image_hint) || image_hint < 0 || image_hint > 3)
|
|
{
|
|
throw image_writer_exception("invalid webp image_hint: '" + *val + "'");
|
|
}
|
|
config.image_hint = static_cast<WebPImageHint>(image_hint);
|
|
#else
|
|
#ifdef _MSC_VER
|
|
#pragma NOTE(compiling against webp that does not support the image_hint flag)
|
|
#else
|
|
#warning "compiling against webp that does not support the image_hint flag"
|
|
#endif
|
|
throw image_writer_exception("your webp version does not support the image_hint option");
|
|
#endif
|
|
}
|
|
}
|
|
else if (key == "alpha")
|
|
{
|
|
if (val && !(*val).empty())
|
|
{
|
|
if (!mapnik::util::string2bool(*val, alpha))
|
|
{
|
|
throw image_writer_exception("invalid webp alpha: '" + *val + "'");
|
|
}
|
|
}
|
|
}
|
|
else if (key == "target_size")
|
|
{
|
|
if (val && !(*val).empty())
|
|
{
|
|
if (!mapnik::util::string2int(*val, config.target_size))
|
|
{
|
|
throw image_writer_exception("invalid webp target_size: '" + *val + "'");
|
|
}
|
|
}
|
|
}
|
|
else if (key == "target_psnr")
|
|
{
|
|
if (val && !(*val).empty())
|
|
{
|
|
double psnr = 0;
|
|
if (!mapnik::util::string2double(*val, psnr))
|
|
{
|
|
throw image_writer_exception("invalid webp target_psnr: '" + *val + "'");
|
|
}
|
|
config.target_PSNR = psnr;
|
|
}
|
|
}
|
|
else if (key == "segments")
|
|
{
|
|
if (val && !(*val).empty())
|
|
{
|
|
if (!mapnik::util::string2int(*val, config.segments))
|
|
{
|
|
throw image_writer_exception("invalid webp segments: '" + *val + "'");
|
|
}
|
|
}
|
|
}
|
|
else if (key == "sns_strength")
|
|
{
|
|
if (val && !(*val).empty())
|
|
{
|
|
if (!mapnik::util::string2int(*val, config.sns_strength))
|
|
{
|
|
throw image_writer_exception("invalid webp sns_strength: '" + *val + "'");
|
|
}
|
|
}
|
|
}
|
|
else if (key == "filter_strength")
|
|
{
|
|
if (val && !(*val).empty())
|
|
{
|
|
if (!mapnik::util::string2int(*val, config.filter_strength))
|
|
{
|
|
throw image_writer_exception("invalid webp filter_strength: '" + *val + "'");
|
|
}
|
|
}
|
|
}
|
|
else if (key == "filter_sharpness")
|
|
{
|
|
if (val && !(*val).empty())
|
|
{
|
|
if (!mapnik::util::string2int(*val, config.filter_sharpness))
|
|
{
|
|
throw image_writer_exception("invalid webp filter_sharpness: '" + *val + "'");
|
|
}
|
|
}
|
|
}
|
|
else if (key == "filter_type")
|
|
{
|
|
if (val && !(*val).empty())
|
|
{
|
|
if (!mapnik::util::string2int(*val, config.filter_type))
|
|
{
|
|
throw image_writer_exception("invalid webp filter_type: '" + *val + "'");
|
|
}
|
|
}
|
|
}
|
|
else if (key == "autofilter")
|
|
{
|
|
if (val && !(*val).empty())
|
|
{
|
|
if (!mapnik::util::string2int(*val, config.autofilter))
|
|
{
|
|
throw image_writer_exception("invalid webp autofilter: '" + *val + "'");
|
|
}
|
|
}
|
|
}
|
|
else if (key == "alpha_compression")
|
|
{
|
|
if (val && !(*val).empty())
|
|
{
|
|
if (!mapnik::util::string2int(*val, config.alpha_compression))
|
|
{
|
|
throw image_writer_exception("invalid webp alpha_compression: '" + *val + "'");
|
|
}
|
|
}
|
|
}
|
|
else if (key == "alpha_filtering")
|
|
{
|
|
if (val && !(*val).empty())
|
|
{
|
|
#if (WEBP_ENCODER_ABI_VERSION >> 8) >= 1 // >= v0.1.99 / 0x0100
|
|
if (!mapnik::util::string2int(*val, config.alpha_filtering))
|
|
{
|
|
throw image_writer_exception("invalid webp alpha_filtering: '" + *val + "'");
|
|
}
|
|
#else
|
|
#ifdef _MSC_VER
|
|
#pragma NOTE(compiling against webp that does not support the alpha_filtering flag)
|
|
#else
|
|
#warning "compiling against webp that does not support the alpha_filtering flag"
|
|
#endif
|
|
throw image_writer_exception("your webp version does not support the alpha_filtering option");
|
|
#endif
|
|
}
|
|
}
|
|
else if (key == "alpha_quality")
|
|
{
|
|
if (val && !(*val).empty())
|
|
{
|
|
#if (WEBP_ENCODER_ABI_VERSION >> 8) >= 1 // >= v0.1.99 / 0x0100
|
|
if (!mapnik::util::string2int(*val, config.alpha_quality))
|
|
{
|
|
throw image_writer_exception("invalid webp alpha_quality: '" + *val + "'");
|
|
}
|
|
#else
|
|
#ifdef _MSC_VER
|
|
#pragma NOTE(compiling against webp that does not support the alpha_quality flag)
|
|
#else
|
|
#warning "compiling against webp that does not support the alpha_quality flag"
|
|
#endif
|
|
throw image_writer_exception("your webp version does not support the alpha_quality option");
|
|
#endif
|
|
}
|
|
}
|
|
else if (key == "pass")
|
|
{
|
|
if (val && !(*val).empty())
|
|
{
|
|
if (!mapnik::util::string2int(*val, config.pass))
|
|
{
|
|
throw image_writer_exception("invalid webp pass: '" + *val + "'");
|
|
}
|
|
}
|
|
}
|
|
else if (key == "preprocessing")
|
|
{
|
|
if (val && !(*val).empty())
|
|
{
|
|
if (!mapnik::util::string2int(*val, config.preprocessing))
|
|
{
|
|
throw image_writer_exception("invalid webp preprocessing: '" + *val + "'");
|
|
}
|
|
}
|
|
}
|
|
else if (key == "partitions")
|
|
{
|
|
if (val && !(*val).empty())
|
|
{
|
|
if (!mapnik::util::string2int(*val, config.partitions))
|
|
{
|
|
throw image_writer_exception("invalid webp partitions: '" + *val + "'");
|
|
}
|
|
}
|
|
}
|
|
else if (key == "partition_limit")
|
|
{
|
|
if (val && !(*val).empty())
|
|
{
|
|
if (!mapnik::util::string2int(*val, config.partition_limit))
|
|
{
|
|
throw image_writer_exception("invalid webp partition_limit: '" + *val + "'");
|
|
}
|
|
}
|
|
}
|
|
else
|
|
{
|
|
throw image_writer_exception("unhandled webp option: " + key);
|
|
}
|
|
}
|
|
}
|
|
}
|
|
#endif
|
|
|
|
webp_saver::webp_saver(std::ostream& stream, std::string const& t)
|
|
: stream_(stream)
|
|
, t_(t)
|
|
{}
|
|
|
|
template<>
|
|
void webp_saver::operator()<image_null>(image_null const& image) const
|
|
{
|
|
throw image_writer_exception("null images not supported");
|
|
}
|
|
|
|
template<>
|
|
void webp_saver::operator()<image_view_null>(image_view_null const& image) const
|
|
{
|
|
throw image_writer_exception("null image views not supported");
|
|
}
|
|
|
|
template<typename T>
|
|
void process_rgba8_webp(T const& image, std::string const& t, std::ostream& stream)
|
|
{
|
|
#if defined(HAVE_WEBP)
|
|
WebPConfig config;
|
|
// Default values set here will be lossless=0 and quality=75 (as least as of webp v0.3.1)
|
|
if (!WebPConfigInit(&config))
|
|
{
|
|
throw std::runtime_error("version mismatch");
|
|
}
|
|
// see for more details: https://github.com/mapnik/mapnik/wiki/Image-IO#webp-output-options
|
|
bool alpha = true;
|
|
handle_webp_options(t, config, alpha);
|
|
save_as_webp(stream, image, config, alpha);
|
|
#else
|
|
throw image_writer_exception("webp output is not enabled in your build of Mapnik");
|
|
#endif
|
|
}
|
|
|
|
template<>
|
|
void webp_saver::operator()<image_rgba8>(image_rgba8 const& image) const
|
|
{
|
|
process_rgba8_webp(image, t_, stream_);
|
|
}
|
|
|
|
template<>
|
|
void webp_saver::operator()<image_view_rgba8>(image_view_rgba8 const& image) const
|
|
{
|
|
process_rgba8_webp(image, t_, stream_);
|
|
}
|
|
|
|
template<typename T>
|
|
void webp_saver::operator()(T const& image) const
|
|
{
|
|
throw image_writer_exception("Mapnik does not support webp grayscale images");
|
|
}
|
|
|
|
template void webp_saver::operator()<image_gray8>(image_gray8 const& image) const;
|
|
template void webp_saver::operator()<image_gray8s>(image_gray8s const& image) const;
|
|
template void webp_saver::operator()<image_gray16>(image_gray16 const& image) const;
|
|
template void webp_saver::operator()<image_gray16s>(image_gray16s const& image) const;
|
|
template void webp_saver::operator()<image_gray32>(image_gray32 const& image) const;
|
|
template void webp_saver::operator()<image_gray32s>(image_gray32s const& image) const;
|
|
template void webp_saver::operator()<image_gray32f>(image_gray32f const& image) const;
|
|
template void webp_saver::operator()<image_gray64>(image_gray64 const& image) const;
|
|
template void webp_saver::operator()<image_gray64s>(image_gray64s const& image) const;
|
|
template void webp_saver::operator()<image_gray64f>(image_gray64f const& image) const;
|
|
template void webp_saver::operator()<image_view_gray8>(image_view_gray8 const& image) const;
|
|
template void webp_saver::operator()<image_view_gray8s>(image_view_gray8s const& image) const;
|
|
template void webp_saver::operator()<image_view_gray16>(image_view_gray16 const& image) const;
|
|
template void webp_saver::operator()<image_view_gray16s>(image_view_gray16s const& image) const;
|
|
template void webp_saver::operator()<image_view_gray32>(image_view_gray32 const& image) const;
|
|
template void webp_saver::operator()<image_view_gray32s>(image_view_gray32s const& image) const;
|
|
template void webp_saver::operator()<image_view_gray32f>(image_view_gray32f const& image) const;
|
|
template void webp_saver::operator()<image_view_gray64>(image_view_gray64 const& image) const;
|
|
template void webp_saver::operator()<image_view_gray64s>(image_view_gray64s const& image) const;
|
|
template void webp_saver::operator()<image_view_gray64f>(image_view_gray64f const& image) const;
|
|
|
|
} // namespace mapnik
|