1098966a8b
Add optional ability to load/save image rank property from/to xmp
sidecar "xmp.Rating" and color property from xmp "xmp.Label" ignoring
the ones provided in the processing params file.
This behavior is disabled by default and an option under settings ->
file browser has been added to enable it.
When enabled:
* On load:
* rank and color are not read from processing params.
* rank is mapped from xmp sidecar file rating entry.
* color is mapped from xmp sidecar file label entry.
* On save:
* rank and color are saved to the xmp sidecar
* rank and color are also saved to the processing param (pp3) files to
keep them in sync
Rating mapping:
Since rating can be also -1 but rank only goes from 0 to 5, the -1 value
is ignored like already done when importing from embedded xmp data.
Color mapping:
XMP has no color concept, usually programs like digikam uses the label
field to write a color name ("Red", "Orange"). The problem is that this
isn't standardized and label can be any string. Additionally Rawtherapee
has 5 specific colors while other programs can have different colors
with different name so they won't be shown if they don't map to the 5
color names supported by rawtherapee. On save only the 5 color supported
by rawtherapee wil be saved.
Trash is kept only in the profile files for multiple reasons:
* There's no trash concept in xmp, there's the rejected concept assigned
to a rating == -1.
* We could map rejected to trash but in rawtherapee rank and trash are two different values and
an image can have both rank >= 0 and trashed set to true.
Using an unique value like rating for rank and trash (when -1) will
require changing the current rawtherapee logic.
* Also digikam only handles ratings from 0 to 5 (no -1) and handles
trash in its own internal way without reflecting it in the xmp
sidecar.
115 lines
3.5 KiB
C++
115 lines
3.5 KiB
C++
/* -*- C++ -*-
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*
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* This file is part of RawTherapee.
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*
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* Copyright (c) 2019 Alberto Griggio <alberto.griggio@gmail.com>
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*
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* RawTherapee 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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* RawTherapee 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 RawTherapee. If not, see <http://www.gnu.org/licenses/>.
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*/
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#pragma once
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#include <glibmm.h>
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#include <exiv2/exiv2.hpp>
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#include <memory>
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#include <unordered_set>
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#include "procparams.h"
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#include "cache.h"
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namespace rtengine {
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class Exiv2Metadata final
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{
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public:
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Exiv2Metadata();
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explicit Exiv2Metadata(const Glib::ustring& path);
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Exiv2Metadata(const Glib::ustring& path, bool merge_xmp_sidecar);
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void load() const;
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Exiv2::ExifData& exifData();
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const Exiv2::ExifData& exifData() const;
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Exiv2::IptcData& iptcData();
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const Exiv2::IptcData& iptcData() const;
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Exiv2::XmpData& xmpData();
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const Exiv2::XmpData& xmpData() const;
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const Glib::ustring& filename() const;
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const rtengine::procparams::ExifPairs& exif() const;
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const rtengine::procparams::IPTCPairs& iptc() const;
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void setExif(const rtengine::procparams::ExifPairs& exif);
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void setIptc(const rtengine::procparams::IPTCPairs& iptc);
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void saveToImage(const Glib::ustring& path, bool preserve_all_tags) const;
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void saveToXmp(const Glib::ustring& path) const;
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void setExifKeys(const std::vector<std::string> *keys);
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void getDimensions(int &w, int &h) const;
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Exiv2::ExifData getOutputExifData() const;
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static Glib::ustring xmpSidecarPath(const Glib::ustring& path);
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static Exiv2::XmpData getXmpSidecar(const Glib::ustring& path);
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static void init();
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static void cleanup();
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private:
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void do_merge_xmp(Exiv2::Image* dst, bool keep_all) const;
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void import_exif_pairs(Exiv2::ExifData& out) const;
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void import_iptc_pairs(Exiv2::IptcData& out) const;
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void remove_unwanted(Exiv2::ExifData& dst) const;
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Glib::ustring src_;
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bool merge_xmp_;
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mutable std::shared_ptr<Exiv2::Image> image_;
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std::unique_ptr<rtengine::procparams::ExifPairs> exif_;
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std::unique_ptr<rtengine::procparams::IPTCPairs> iptc_;
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Exiv2::ExifData exif_data_;
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Exiv2::IptcData iptc_data_;
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Exiv2::XmpData xmp_data_;
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std::shared_ptr<std::unordered_set<std::string>> exif_keys_;
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struct CacheVal {
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std::shared_ptr<Exiv2::Image> image;
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Glib::TimeVal image_mtime;
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Glib::TimeVal xmp_mtime;
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bool use_xmp;
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CacheVal(): image(nullptr), image_mtime(), xmp_mtime(), use_xmp(false) {}
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};
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//typedef std::pair<std::shared_ptr<Exiv2::Image>, Glib::TimeVal> CacheVal;
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typedef Cache<Glib::ustring, CacheVal> ImageCache;
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static std::unique_ptr<ImageCache> cache_;
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};
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template <typename Iterator, typename Integer = std::size_t>
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auto to_long(const Iterator &iter, Integer n = Integer{0}) -> decltype(
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#if EXIV2_TEST_VERSION(0,28,0)
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iter->toInt64()
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) {
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return iter->toInt64(n);
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#else
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iter->toLong()
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) {
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return iter->toLong(n);
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#endif
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}
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} // namespace rtengine
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