create mean image and subtract dark frame

.ci/Brewfile

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+#    This file is part of darktable.
+#    Copyright (C) 2016-2024 darktable developers.
+#
+#    darktable 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.
+#
+#    darktable 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 darktable.  If not, see <http://www.gnu.org/licenses/>.
+
+brew 'coreutils'
+brew 'cmake'
+brew 'pkg-config'
+brew 'adwaita-icon-theme'
+brew 'desktop-file-utils'
+brew 'exiv2'
+brew 'gettext'
+brew 'git'
+brew 'glib'
+brew 'gmic'
+brew 'gphoto2'
+brew 'gtk+3'
+brew 'gtk-mac-integration'
+brew 'icu4c'
+brew 'imagemagick'
+brew 'intltool'
+brew 'iso-codes'
+brew 'jpeg-turbo'
+brew 'jpeg-xl'
+brew 'json-glib'
+brew 'lensfun'
+brew 'libavif'
+brew 'libheif'
+brew 'libraw'
+brew 'librsvg'
+brew 'libsecret'
+brew 'little-cms2'
+brew 'lua'
+brew 'libomp'
+brew 'ninja'
+brew 'openexr'
+brew 'openjpeg'
+brew 'osm-gps-map'
+brew 'portmidi'
+brew 'pugixml'
+brew 'sdl2'
+brew 'curl'
+brew 'perl'
+brew 'webp'

.ci/Dockerfile

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+#    This file is part of darktable.
+#    copyright (c) 2016-2020 Roman Lebedev.
+#
+#    darktable 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.
+#
+#    darktable 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 darktable.  If not, see <http://www.gnu.org/licenses/>.
+
+# docker build -t darktable/darktable .
+
+# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! WARNING !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+# !!! hub.docker.com will not auto-rebuild the image                        !!!
+# !!! after making changes here, or if you just want to manually refresh    !!!
+# !!! the image, you need to go to:                                         !!!
+# https://hub.docker.com/r/darktable/darktable/~/settings/automated-builds/ !!!
+# !!!                            and press the "Trigger" button.            !!!
+# !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!! WARNING !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
+
+FROM debian:testing
+MAINTAINER Roman Lebedev <[email protected]>
+
+# needed at least for python-based jsonschema :(
+# see https://github.com/Julian/jsonschema/issues/299
+# and https://github.com/docker-library/python/issues/13
+ENV LANG C.UTF-8
+ENV LC_ALL C.UTF-8
+ENV LC_MESSAGES C.UTF-8
+ENV LANGUAGE C.UTF-8
+
+ENV DEBIAN_FRONTEND noninteractive
+
+# Paper over occasional network flakiness of some mirrors.
+RUN echo 'Acquire::Retries "10";' > /etc/apt/apt.conf.d/80retry
+
+# Do not install recommended packages
+RUN echo 'APT::Install-Recommends "false";' > /etc/apt/apt.conf.d/80recommends
+
+# Do not install suggested packages
+RUN echo 'APT::Install-Suggests "false";' > /etc/apt/apt.conf.d/80suggests
+
+# Assume yes
+RUN echo 'APT::Get::Assume-Yes "true";' > /etc/apt/apt.conf.d/80forceyes
+
+# Fix broken packages
+RUN echo 'APT::Get::Fix-Missing "true";' > /etc/apt/apt.conf.d/80fixmissin
+
+ENV GCC_VER=9
+ENV LLVM_VER=10
+
+# pls keep sorted :)
+RUN rm -rf /var/lib/apt/lists/* && apt-get update && \
+    apt-get install \
+    appstream-util \
+    clang-$LLVM_VER \
+    cmake \
+    desktop-file-utils \
+    g++-$GCC_VER \
+    gcc-$GCC_VER \
+    gettext \
+    git \
+    intltool \
+    libatk1.0-dev \
+    libc++-$LLVM_VER-dev \
+    libcairo2-dev \
+    libcolord-dev \
+    libcolord-gtk-dev \
+    libcmocka-dev \
+    libcups2-dev \
+    libcurl4-gnutls-dev \
+    libexiv2-dev \
+    libgdk-pixbuf2.0-dev \
+    libglib2.0-dev \
+    libgphoto2-dev \
+    libgraphicsmagick1-dev \
+    libgtk-3-dev \
+    libheif-dev \
+    libjpeg-dev \
+    libjson-glib-dev \
+    liblcms2-dev \
+    liblensfun-dev \
+    liblua5.2-dev \
+    liblua5.3-dev \
+    libomp-$LLVM_VER-dev \
+    libopenexr-dev \
+    libopenjp2-7-dev \
+    libosmgpsmap-1.0-dev \
+    libpango1.0-dev \
+    libpng-dev \
+    libpugixml-dev \
+    librsvg2-dev \
+    libsaxon-java \
+    libsecret-1-dev \
+    libsqlite3-dev \
+    libtiff5-dev \
+    libwebp-dev \
+    libx11-dev \
+    libxml2-dev \
+    libxml2-utils \
+    make \
+    ninja-build \
+    perl \
+    po4a \
+    python3-jsonschema \
+    xsltproc \
+    zlib1g-dev && \
+    apt-get clean && rm -rf /var/lib/apt/lists/*
+
+# i'd like to explicitly use ld.gold
+# while it may be just immeasurably faster, it is known to cause more issues
+# than traditional ld.bfd; plus, at this time, ld.gold seems like the future.
+RUN dpkg-divert --add --rename --divert /usr/bin/ld.original /usr/bin/ld && \
+    ln -s /usr/bin/ld.gold /usr/bin/ld
+
+# optional: opencl kernels test-compilation
+# pls keep sorted :)
+RUN rm -rf /var/lib/apt/lists/* && apt-get update && \
+    apt-get install clang-$LLVM_VER libclang-common-$LLVM_VER-dev \
+    llvm-$LLVM_VER-dev && \
+    apt-get clean && rm -rf /var/lib/apt/lists/*
+
+# optional: usermanual deps
+# pls keep sorted :)
+RUN rm -rf /var/lib/apt/lists/* && apt-get update && \
+    apt-get install default-jdk-headless default-jre-headless docbook \
+    docbook-xml docbook-xsl docbook-xsl-saxon fop gnome-doc-utils imagemagick \
+    libsaxon-java xsltproc && apt-get clean && rm -rf /var/lib/apt/lists/*

.ci/ci-script.sh

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+#!/bin/bash
+
+#    This file is part of darktable.
+#    Copyright (C) 2016-2024 darktable developers.
+#
+#    darktable 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.
+#
+#    darktable 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 darktable.  If not, see <http://www.gnu.org/licenses/>.
+
+# This script is supposed to be run by Travis CI or GitHub workflow.
+# It expects a few env variables to be set:
+#   BUILD_DIR - the working directory where the program will be built
+#   INSTALL_DIR - the installation prefix
+#   SRC_DIR - directory with the source code to be compiled
+#   CC, CXX, CFLAGS, CXXFLAGS are optional, but make sense for build
+#   TARGET - either build or skiptest
+#   ECO - some other flags for cmake
+
+set -ex
+
+if [ "$GENERATOR" = "Ninja" ];
+then
+  VERBOSE="-v"
+  KEEPGOING="-k0"
+  JOBS=""
+fi;
+
+if [ "$GENERATOR" = "Unix Makefiles" ];
+then
+  VERBOSE="VERBOSE=1";
+  KEEPGOING="-k"
+  JOBS="-j2"
+fi;
+
+if [ "$GENERATOR" = "MSYS Makefiles" ];
+then
+  VERBOSE="VERBOSE=1";
+  KEEPGOING="-k"
+  JOBS="-j2"
+fi;
+
+target_build()
+{
+  cmake --build "$BUILD_DIR" -- $JOBS "$VERBOSE" "$KEEPGOING"
+
+  ctest --output-on-failure || ctest --rerun-failed -V -VV
+
+  cmake --build "$BUILD_DIR" --target install -- $JOBS "$VERBOSE" "$KEEPGOING"
+}
+
+target_notest()
+{
+  cmake --build "$BUILD_DIR" -- $JOBS "$VERBOSE" "$KEEPGOING"
+
+  cmake --build "$BUILD_DIR" --target install -- $JOBS "$VERBOSE" "$KEEPGOING"
+}
+
+diskspace()
+{
+  df
+  du -hcs "$SRC_DIR"
+  du -hcs "$BUILD_DIR"
+  du -hcs "$INSTALL_PREFIX"
+}
+
+diskspace
+
+cd "$BUILD_DIR"
+
+case "$TARGET" in
+  "build")
+    cmake -DCMAKE_INSTALL_PREFIX="$INSTALL_PREFIX" \
+      -G"$GENERATOR" \
+      -DCMAKE_BUILD_TYPE="$CMAKE_BUILD_TYPE" \
+      -DVALIDATE_APPDATA_FILE=ON \
+      -DBUILD_TESTING=ON \
+      -DTESTBUILD_OPENCL_PROGRAMS=ON \
+      $ECO "$SRC_DIR" || (cat "$BUILD_DIR"/CMakeFiles/CMakeOutput.log; cat "$BUILD_DIR"/CMakeFiles/CMakeError.log)
+    target_build
+    ;;
+  "skiptest")
+    cmake -DCMAKE_INSTALL_PREFIX="$INSTALL_PREFIX" \
+      -G"$GENERATOR" \
+      -DCMAKE_BUILD_TYPE="$CMAKE_BUILD_TYPE" \
+      $ECO "$SRC_DIR" || (cat "$BUILD_DIR"/CMakeFiles/CMakeOutput.log; cat "$BUILD_DIR"/CMakeFiles/CMakeError.log)
+    target_notest
+    ;;
+  *)
+    exit 1
+    ;;
+esac
+
+diskspace

.ci/obs-workflows.yml

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+master:
+  steps:
+    - trigger_services:
+        project: graphics:darktable:master
+        package: darktable
+  filters:
+    event: push
+    branches:
+      only:
+        - master

.dockerignore

@@ -0,0 +1,2 @@
+docker-images
+.git

.githooks/README

@@ -0,0 +1,3 @@
+To activate:
+
+$ git config core.hooksPath .githooks

.githooks/pre-commit

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+#!/bin/bash
+
+# Hash using its key as a search Regex, and its value as associated
+# error message.
+
+declare -A PATTERNS;
+PATTERNS['src/external/rawspeed']="use --no-verify to change rawspeed";
+PATTERNS['src/external/OpenCL']="use --no-verify to change OpenCL";
+PATTERNS['src/external/libxcf']="use --no-verify to change libxcf";
+PATTERNS['src/external/whereami']="use --no-verify to change whereami";
+PATTERNS['src/tests/integration']="use --no-verify to change integration";
+
+# Loop over staged files and check for any specific pattern listed in
+# PATTERNS keys.
+# Filter only added (A), copied (C), modified (M) files
+
+declare -a errors
+
+for file in $(git diff --staged --name-only --diff-filter=ACM --no-color); do
+    for elem in ${!PATTERNS[*]} ; do
+        if [ -n "${PATTERNS[${file}]}" ]; then
+            errors+=("${PATTERNS[${file}]}")
+        fi
+    done
+done
+
+# Print errors
+for error in "${errors[@]}"; do
+  echo -e "\033[1;31m${error}\033[0m"
+done
+
+# If there is any error, then stop commit creation
+if [ ${#errors[@]} -ne 0 ]; then
+  exit 1
+fi

.github/CODEOWNERS

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+rawspeed/           @LebedevRI
+*rawspeed*          @LebedevRI