149 lines
2.7 KiB
C++
149 lines
2.7 KiB
C++
/*
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* Copyright (C) 2015 Emeric Poupon
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*
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* This file is part of LMS.
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*
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* LMS is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* LMS is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with LMS. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include "Image.hpp"
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#include "utils/Logger.hpp"
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namespace CoverArt {
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void
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init(const std::filesystem::path& path)
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{
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Magick::InitializeMagick(path.string().c_str());
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}
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void
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deinit()
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{
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MagickCore::MagickCoreTerminus();
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}
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static
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std::string
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formatToMagick(Format format)
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{
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switch (format)
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{
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case Format::JPEG: return "JPEG";
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}
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return "JPEG";
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}
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std::string
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formatToMimeType(Format format)
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{
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switch (format)
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{
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case Format::JPEG: return "JPEG";
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}
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return "application/octet-stream";
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}
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bool
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Image::load(const std::vector<unsigned char>& rawData)
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{
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try
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{
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Magick::Blob blob {&rawData[0], rawData.size()};
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_image.read(blob);
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return true;
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}
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catch (Magick::Exception& e)
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{
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LMS_LOG(COVER, ERROR) << "Caught Magick exception while loading raw image: " << e.what();
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return false;
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}
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}
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bool
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Image::load(const std::filesystem::path& p)
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{
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try
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{
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_image.read(p.string());
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return true;
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}
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catch (Magick::Exception& e)
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{
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LMS_LOG(COVER, ERROR) << "Caught Magick exception while loading image from file '" << p.string() << "': " << e.what();
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return false;
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}
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}
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Geometry
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Image::getSize() const
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{
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Magick::Geometry geometry {_image.size()};
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return {geometry.width(), geometry.height()};
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}
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bool
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Image::scale(Geometry geometry)
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{
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if (geometry.width == 0 || geometry.height == 0)
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return false;
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try
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{
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_image.resize( Magick::Geometry(geometry.width, geometry.height ) );
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return true;
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}
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catch (Magick::Exception& e)
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{
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LMS_LOG(COVER, ERROR) << "Caught Magick exception during scale: " << e.what();
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return false;
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}
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}
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std::vector<uint8_t>
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Image::save(Format format) const
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{
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std::vector<uint8_t> res;
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try
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{
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Magick::Image outputImage {_image};
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outputImage.magick(formatToMagick(format));
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Magick::Blob blob;
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outputImage.write(&blob);
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auto begin = static_cast<const uint8_t*>(blob.data());
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std::copy(begin, begin + blob.length(), std::back_inserter(res));
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return res;
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}
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catch (Magick::Exception& e)
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{
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LMS_LOG(COVER, ERROR) << "Caught Magick exception during save:" << e.what();
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res.clear();
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return res;
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}
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}
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} // namespace CoverArt
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