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cmake_minimum_required(VERSION 3.10)
project(timg VERSION 1.6.0 LANGUAGES CXX)
option(WITH_VIDEO_DECODING "Enables video decoding feature" ON)
option(WITH_VIDEO_DEVICE "Enables reading videos from devices e.g. v4l2 (requires WITH_VIDEO_DECODING)" ON)
# Options that should be typically on, but could be disabled for special
# applications where less dependencies are required
option(WITH_GRAPHICSMAGICK "Enable general image loading with Graphicsmagick. You typically want this." ON)
option(WITH_TURBOJPEG "Optimized JPEG loading. You typically want this." ON)
option(WITH_RSVG "Use librsvg to open SVG images." ON)
option(WITH_POPPLER "Use poppler to render PDFs" ON)
option(WITH_STB_IMAGE "Use STB image, a self-contained albeit limited image loading and lower quality. Use if WITH_GRAPHICSMAGICK is not possible and want to limit dependencies. Default on to be used as fallback." ON)
option(WITH_QOI_IMAGE "QOI image format" ON)
# Compile-time option for specialized
option(WITH_OPENSLIDE_SUPPORT "Enables support to scientific OpenSlide formats" OFF)
# Output formats
option(WITH_LIBSIXEL "Provide sixel output which is supported by some older terminals such as xterm" ON)
# Note: The version string can be ammended with -DDISTRIBUTION_VERSION, see src/timg-version.h.in
option(TIMG_VERSION_FROM_GIT "Get the program version from the git repository" ON)
set(CMAKE_EXPORT_COMPILE_COMMANDS ON)
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
include(FindPkgConfig)
include(GNUInstallDirs)
if(TIMG_VERSION_FROM_GIT)
find_package(Git REQUIRED)
include(GetGitRevisionDescription)
endif()
# Ubuntu 20.04 does not provide pkg-config, so use find_library() as fallback
pkg_check_modules(LIBDEFLATE_PKGCONFIG IMPORTED_TARGET libdeflate)
if (NOT LIBDEFLATE_PKGCONFIG_FOUND)
find_library(LIBDEFLATE_LIBRARY NAMES deflate)
message("Manual libdeflate lookup ${LIBDEFLATE_LIBRARY}")
endif()
if(WITH_LIBSIXEL)
pkg_check_modules(LIBSIXEL REQUIRED IMPORTED_TARGET libsixel)
endif()
if(WITH_TURBOJPEG)
pkg_check_modules(TURBOJPEG REQUIRED IMPORTED_TARGET libturbojpeg)
pkg_check_modules(EXIF REQUIRED IMPORTED_TARGET libexif)
pkg_check_modules(AVUTIL REQUIRED IMPORTED_TARGET libavutil)
pkg_check_modules(SWSCALE IMPORTED_TARGET REQUIRED libswscale)
endif()
if(WITH_GRAPHICSMAGICK)
pkg_check_modules(GRAPHICSMAGICKXX IMPORTED_TARGET REQUIRED GraphicsMagick++)
endif()
if(WITH_RSVG)
pkg_check_modules(RSVG REQUIRED IMPORTED_TARGET librsvg-2.0)
pkg_check_modules(CAIRO REQUIRED IMPORTED_TARGET cairo)
endif()
if(WITH_POPPLER)
pkg_check_modules(POPPLER REQUIRED IMPORTED_TARGET poppler-glib)
pkg_check_modules(CAIRO REQUIRED IMPORTED_TARGET cairo)
endif()
if(WITH_OPENSLIDE_SUPPORT)
pkg_check_modules(OPENSLIDE IMPORTED_TARGET REQUIRED openslide)
pkg_check_modules(AVUTIL REQUIRED IMPORTED_TARGET libavutil)
pkg_check_modules(SWSCALE IMPORTED_TARGET REQUIRED libswscale)
endif()
if(WITH_VIDEO_DECODING)
pkg_check_modules(LIBAV IMPORTED_TARGET REQUIRED libavcodec libavutil libavformat)
pkg_check_modules(AVUTIL REQUIRED IMPORTED_TARGET libavutil)
pkg_check_modules(SWSCALE IMPORTED_TARGET REQUIRED libswscale)
if (WITH_VIDEO_DEVICE)
pkg_check_modules(LIBAV_DEVICE IMPORTED_TARGET REQUIRED libavdevice)
endif()
endif()
# TODO: allow for fallback if that is not available.
if(WITH_QOI_IMAGE)
pkg_check_modules(AVUTIL REQUIRED IMPORTED_TARGET libavutil)
pkg_check_modules(SWSCALE IMPORTED_TARGET REQUIRED libswscale)
endif()
find_package(Threads)
add_subdirectory(src)
add_subdirectory(man)
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