rawTherapee/rtengine/metadata.h
Alberto Griggio 92befa7e81
refactored code for extracting image dimensions from metadata
(cherry picked from commit 0ece9c5bfad09bc9052238d83fa696ef39effaaa)
2022-12-10 10:37:58 -08:00

92 lines
2.9 KiB
C++

/* -*- C++ -*-
*
* This file is part of RawTherapee.
*
* Copyright (c) 2019 Alberto Griggio <alberto.griggio@gmail.com>
*
* RawTherapee is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* RawTherapee 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with RawTherapee. If not, see <http://www.gnu.org/licenses/>.
*/
#pragma once
#include <glibmm.h>
#include <exiv2/exiv2.hpp>
#include <memory>
#include <unordered_set>
#include "procparams.h"
#include "cache.h"
namespace rtengine {
class Exiv2Metadata final
{
public:
Exiv2Metadata();
explicit Exiv2Metadata(const Glib::ustring& path);
Exiv2Metadata(const Glib::ustring& path, bool merge_xmp_sidecar);
void load() const;
Exiv2::ExifData& exifData();
const Exiv2::ExifData& exifData() const;
Exiv2::IptcData& iptcData();
const Exiv2::IptcData& iptcData() const;
Exiv2::XmpData& xmpData();
const Exiv2::XmpData& xmpData() const;
const Glib::ustring& filename() const;
const rtengine::procparams::ExifPairs& exif() const;
const rtengine::procparams::IPTCPairs& iptc() const;
void setExif(const rtengine::procparams::ExifPairs& exif);
void setIptc(const rtengine::procparams::IPTCPairs& iptc);
void saveToImage(const Glib::ustring& path, bool preserve_all_tags) const;
void saveToXmp(const Glib::ustring& path) const;
void setExifKeys(const std::vector<std::string> *keys);
void getDimensions(int &w, int &h) const;
static Glib::ustring xmpSidecarPath(const Glib::ustring& path);
static Exiv2::XmpData getXmpSidecar(const Glib::ustring& path);
static void init();
static void cleanup();
private:
void do_merge_xmp(Exiv2::Image* dst) const;
void import_exif_pairs(Exiv2::ExifData& out) const;
void import_iptc_pairs(Exiv2::IptcData& out) const;
void remove_unwanted(Exiv2::ExifData& dst) const;
Glib::ustring src_;
bool merge_xmp_;
mutable std::shared_ptr<Exiv2::Image> image_;
std::unique_ptr<rtengine::procparams::ExifPairs> exif_;
std::unique_ptr<rtengine::procparams::IPTCPairs> iptc_;
Exiv2::ExifData exif_data_;
Exiv2::IptcData iptc_data_;
Exiv2::XmpData xmp_data_;
std::shared_ptr<std::unordered_set<std::string>> exif_keys_;
typedef std::pair<std::shared_ptr<Exiv2::Image>, Glib::TimeVal> CacheVal;
typedef Cache<Glib::ustring, CacheVal> ImageCache;
static std::unique_ptr<ImageCache> cache_;
};
} // namespace rtengine