/
CMakeLists.txt
782 lines (711 loc) · 30.6 KB
/
CMakeLists.txt
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cmake_minimum_required(VERSION 3.16)
list(APPEND CMAKE_MODULE_PATH "${CMAKE_CURRENT_LIST_DIR}/cmake")
# See docs/release_checklist.md
set(MAJOR_VERSION 3)
set(MINOR_VERSION 0)
set(MICRO_VERSION 0)
set(SDL_REQUIRED_VERSION 3.0.0)
if(CMAKE_SOURCE_DIR STREQUAL CMAKE_BINARY_DIR)
message(FATAL_ERROR "Prevented in-tree built. Please create a build directory outside of the SDL_image source code and call cmake from there")
endif()
project(SDL3_image
LANGUAGES C
VERSION "${MAJOR_VERSION}.${MINOR_VERSION}.${MICRO_VERSION}"
)
include(PrivateSdlFunctions)
sdl_calculate_derived_version_variables(${MAJOR_VERSION} ${MINOR_VERSION} ${MICRO_VERSION})
message(STATUS "Configuring ${PROJECT_NAME} ${PROJECT_VERSION}")
if(CMAKE_SOURCE_DIR STREQUAL PROJECT_SOURCE_DIR)
set(SDL3IMAGE_ROOTPROJECT ON)
else()
set(SDL3IMAGE_ROOTPROJECT OFF)
endif()
set(SDL3IMAGE_SAMPLES_DEFAULT ${SDL3IMAGE_ROOTPROJECT})
if(ANDROID)
set(SDL3IMAGE_SAMPLES_DEFAULT OFF)
endif()
# Assume MSVC projects don't have a package manager and need vendored dependencies (by default).
# Most other platforms have some kind of package manager.
# FIXME: consider a package manager such as conan/vcpkg instead of vendoring
if(MSVC)
set(vendored_default ON)
else()
set(vendored_default OFF)
endif()
include(CMakeDependentOption)
include(CMakePackageConfigHelpers)
include(GNUInstallDirs)
option(CMAKE_POSITION_INDEPENDENT_CODE "Build static libraries with -fPIC" ON)
option(BUILD_SHARED_LIBS "Build the library as a shared library" ON)
option(SDL3IMAGE_INSTALL "Enable SDL3_image install target" ${SDL3IMAGE_ROOTPROJECT})
option(SDL3IMAGE_DEPS_SHARED "Load dependencies dynamically" ON)
option(SDL3IMAGE_VENDORED "Use vendored third-party libraries" ${vendored_default})
option(SDL3IMAGE_SAMPLES "Build the SDL3_image sample program(s)" ${SDL3IMAGE_SAMPLES_DEFAULT})
cmake_dependent_option(SDL3IMAGE_SAMPLES_INSTALL "Install the SDL3_image sample program(s)" OFF "SDL3IMAGE_SAMPLES;SDL3IMAGE_INSTALL" OFF)
option(SDL3IMAGE_TESTS "Build unit tests?" OFF)
cmake_dependent_option(SDL3IMAGE_TESTS_INSTALL "Install unit tests?" OFF "SDL3IMAGE_TESTS;SDL3IMAGE_INSTALL" OFF)
option(SDL3IMAGE_BACKEND_STB "Use stb_image for loading JPEG and PNG files" ON)
cmake_dependent_option(SDL3IMAGE_BACKEND_WIC "Add WIC backend (Windows Imaging Component)" OFF WIN32 OFF)
cmake_dependent_option(SDL3IMAGE_BACKEND_IMAGEIO "Use native Mac OS X frameworks for loading images" ON APPLE OFF)
option(SDL3IMAGE_AVIF "Support loading AVIF images" OFF)
option(SDL3IMAGE_BMP "Support loading BMP images" ON)
option(SDL3IMAGE_GIF "Support loading GIF images" ON)
option(SDL3IMAGE_JPG "Support loading JPEG images" ON)
option(SDL3IMAGE_JXL "Support loading JXL images" OFF)
option(SDL3IMAGE_LBM "Support loading LBM images" ON)
option(SDL3IMAGE_PCX "Support loading PCX images" ON)
option(SDL3IMAGE_PNG "Support loading PNG images" ON)
option(SDL3IMAGE_PNM "Support loading PNM images" ON)
option(SDL3IMAGE_QOI "Support loading QOI images" ON)
option(SDL3IMAGE_SVG "Support loading SVG images" ON)
option(SDL3IMAGE_TGA "Support loading TGA images" ON)
option(SDL3IMAGE_TIF "Support loading TIFF images" OFF)
option(SDL3IMAGE_WEBP "Support loading WEBP images" OFF)
option(SDL3IMAGE_XCF "Support loading XCF images" ON)
option(SDL3IMAGE_XPM "Support loading XPM images" ON)
option(SDL3IMAGE_XV "Support loading XV images" ON)
cmake_dependent_option(SDL3IMAGE_JPG_SAVE "Add JPEG save support" ON SDL3IMAGE_JPG OFF)
cmake_dependent_option(SDL3IMAGE_PNG_SAVE "Add PNG save support" ON SDL3IMAGE_PNG OFF)
set(LIBAVIF_MINIMUM_VERSION "0.9.1")
if(SDL3IMAGE_VENDORED AND SDL3IMAGE_AVIF)
set(SDL3IMAGE_AVIF_VENDORED ON)
else()
set(SDL3IMAGE_AVIF_VENDORED OFF)
endif()
cmake_dependent_option(SDL3IMAGE_AVIF_SHARED "Dynamically load AVIF support (requires shared libavif)"
${SDL3IMAGE_DEPS_SHARED} SDL3IMAGE_AVIF OFF)
if(SDL3IMAGE_VENDORED AND SDL3IMAGE_JPG AND NOT (SDL3IMAGE_BACKEND_WIC OR SDL3IMAGE_BACKEND_STB OR SDL3IMAGE_BACKEND_IMAGEIO))
set(SDL3IMAGE_JPG_VENDORED ON)
else()
set(SDL3IMAGE_JPG_VENDORED OFF)
endif()
cmake_dependent_option(SDL3IMAGE_JPG_SHARED "Dynamically load JPG support (requires shared libjpeg)"
${SDL3IMAGE_DEPS_SHARED} "SDL3IMAGE_JPG;NOT SDL3IMAGE_BACKEND_WIC;NOT SDL3IMAGE_BACKEND_STB;NOT SDL3IMAGE_BACKEND_IMAGEIO" OFF)
if(SDL3IMAGE_VENDORED AND SDL3IMAGE_JXL)
set(SDL3IMAGE_JXL_VENDORED ON)
else()
set(SDL3IMAGE_JXL_VENDORED OFF)
endif()
cmake_dependent_option(SDL3IMAGE_JXL_SHARED "Dynamically load JXL support (requires shared libjxl)"
${SDL3IMAGE_DEPS_SHARED} SDL3IMAGE_JXL OFF)
if(SDL3IMAGE_VENDORED AND SDL3IMAGE_PNG AND NOT (SDL3IMAGE_BACKEND_WIC OR SDL3IMAGE_BACKEND_STB OR SDL3IMAGE_BACKEND_IMAGEIO))
set(SDL3IMAGE_PNG_VENDORED ON)
else()
set(SDL3IMAGE_PNG_VENDORED OFF)
endif()
cmake_dependent_option(SDL3IMAGE_PNG_SHARED "Dynamically load PNG support (requires shared libpng)"
${SDL3IMAGE_DEPS_SHARED} "SDL3IMAGE_PNG;NOT SDL3IMAGE_BACKEND_WIC;NOT SDL3IMAGE_BACKEND_STB;NOT SDL3IMAGE_BACKEND_IMAGEIO" OFF)
if(SDL3IMAGE_VENDORED AND SDL3IMAGE_TIF)
set(SDL3IMAGE_TIF_VENDORED ON)
else()
set(SDL3IMAGE_TIF_VENDORED OFF)
endif()
cmake_dependent_option(SDL3IMAGE_TIF_SHARED "Dynamically load TIFF support (requires shared libtiff)"
${SDL3IMAGE_DEPS_SHARED} SDL3IMAGE_TIF OFF)
if(SDL3IMAGE_VENDORED AND SDL3IMAGE_WEBP)
set(SDL3IMAGE_WEBP_VENDORED ON)
else()
set(SDL3IMAGE_WEBP_VENDORED OFF)
endif()
cmake_dependent_option(SDL3IMAGE_WEBP_SHARED "Dynamically load WEBP support (requires shared libwebp)"
${SDL3IMAGE_DEPS_SHARED} SDL3IMAGE_WEBP OFF)
if(SDL3IMAGE_PNG_VENDORED)
set(SDL3IMAGE_ZLIB ON)
else()
set(SDL3IMAGE_ZLIB OFF)
endif()
if(SDL3IMAGE_VENDORED AND SDL3IMAGE_PNG_VENDORED)
set(SDL3IMAGE_ZLIB_VENDORED ON)
else()
set(SDL3IMAGE_ZLIB_VENDORED OFF)
endif()
if(SDL3IMAGE_PNG_SHARED)
set(SDL3IMAGE_ZLIB_SHARED ON)
else()
set(SDL3IMAGE_ZLIB_SHARED OFF)
endif()
# Save BUILD_SHARED_LIBS variable
set(SDL3IMAGE_BUILD_SHARED_LIBS ${BUILD_SHARED_LIBS})
if(SDL3IMAGE_BUILD_SHARED_LIBS)
set(sdl3_image_export_name SDL3_image)
set(sdl3_image_install_name_infix shared)
set(sdl3_target_name SDL3::SDL3)
else()
set(sdl3_image_export_name SDL3_image-static)
set(sdl3_image_install_name_infix static)
set(sdl3_target_name SDL3::SDL3-static)
endif()
find_package(SDL3 ${SDL_REQUIRED_VERSION} REQUIRED)
# Set PROJECT_VERSION of subprojects to "" if it's project call does not set VERSION
cmake_policy(SET CMP0048 NEW)
# Allow cmake_dependent_option to use "Full Condition Syntax"
if(POLICY CMP0127)
cmake_policy(SET CMP0127 NEW)
endif()
# OpenGL is required by dependencies of (dependencies of) some vendored libraries
if(NOT DEFINED OpenGL_GL_PREFERENCE)
set(OpenGL_GL_PREFERENCE GLVND)
endif()
add_library(SDL3_image
IMG.c
IMG_WIC.c
IMG_avif.c
IMG_bmp.c
IMG_gif.c
IMG_jpg.c
IMG_jxl.c
IMG_lbm.c
IMG_pcx.c
IMG_png.c
IMG_pnm.c
IMG_qoi.c
IMG_stb.c
IMG_svg.c
IMG_tga.c
IMG_tif.c
IMG_webp.c
IMG_xcf.c
IMG_xpm.c
IMG_xv.c
IMG_xxx.c
)
add_library(SDL3_image::${sdl3_image_export_name} ALIAS SDL3_image)
target_include_directories(SDL3_image PUBLIC
"$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include>"
"$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/include/SDL3>"
"$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}>"
"$<INSTALL_INTERFACE:${CMAKE_INSTALL_INCLUDEDIR}/SDL3>"
)
target_compile_definitions(SDL3_image PRIVATE
BUILD_SDL
SDL_BUILD_MAJOR_VERSION=${MAJOR_VERSION}
SDL_BUILD_MINOR_VERSION=${MINOR_VERSION}
SDL_BUILD_MICRO_VERSION=${MICRO_VERSION}
)
target_link_libraries(SDL3_image PRIVATE $<BUILD_INTERFACE:${sdl3_target_name}>)
if(WIN32 AND SDL3IMAGE_BUILD_SHARED_LIBS)
target_sources(SDL3_image PRIVATE
version.rc
)
endif()
set_target_properties(SDL3_image PROPERTIES
DEFINE_SYMBOL DLL_EXPORT
EXPORT_NAME ${sdl3_image_export_name}
C_VISIBILITY_PRESET "hidden"
)
if(NOT ANDROID)
if(APPLE)
# the SOVERSION property corresponds to the compatibility version and VERSION corresponds to the current version
# https://cmake.org/cmake/help/latest/prop_tgt/SOVERSION.html#mach-o-versions
set_target_properties(SDL3_image PROPERTIES
SOVERSION "${DYLIB_COMPAT_VERSION}"
VERSION "${DYLIB_CURRENT_VERSION}"
)
else()
set_target_properties(SDL3_image PROPERTIES
SOVERSION "${SO_VERSION_MAJOR}"
VERSION "${SO_VERSION}"
)
endif()
endif()
if(SDL3IMAGE_BUILD_SHARED_LIBS)
if(WIN32 OR OS2)
set_target_properties(SDL3_image PROPERTIES
PREFIX ""
)
endif()
else()
if(MSVC OR (WATCOM AND (WIN32 OR OS2)))
set_target_properties(SDL3_image PROPERTIES
OUTPUT_NAME "SDL3_image-static"
)
endif()
endif()
# Use `Compatible Interface Properties` to ensure a shared SDL3_image is built with a shared SDL3
if(SDL3IMAGE_BUILD_SHARED_LIBS)
set_property(TARGET SDL3_image PROPERTY INTERFACE_SDL3_SHARED ${SDL3IMAGE_BUILD_SHARED_LIBS})
set_property(TARGET SDL3_image APPEND PROPERTY COMPATIBLE_INTERFACE_BOOL SDL3_SHARED)
endif()
if(SDL3IMAGE_BUILD_SHARED_LIBS)
sdl_target_link_options_no_undefined(SDL3_image)
endif()
if(SDL3IMAGE_BUILD_SHARED_LIBS)
# Make sure static library dependencies are built with -fPIC when building a shared SDL3_image
set(CMAKE_POSITION_INDEPENDENT_CODE ON)
endif()
set(INSTALL_EXTRA_TARGETS)
set(PC_LIBS)
set(PC_REQUIRES)
if(SDL3IMAGE_BACKEND_STB)
target_compile_definitions(SDL3_image PRIVATE USE_STBIMAGE)
endif()
if(APPLE)
if(SDL3IMAGE_BACKEND_IMAGEIO)
target_link_libraries(SDL3_image PRIVATE -Wl,-framework,ApplicationServices)
target_link_libraries(SDL3_image PRIVATE objc)
target_sources(SDL3_image PRIVATE
IMG_ImageIO.m
)
if (SDL3IMAGE_PNG AND NOT SDL3IMAGE_BACKEND_STB)
target_compile_definitions(SDL3_image PRIVATE PNG_USES_IMAGEIO)
endif()
if (SDL3IMAGE_JPG AND NOT SDL3IMAGE_BACKEND_STB)
target_compile_definitions(SDL3_image PRIVATE JPG_USES_IMAGEIO)
endif()
else()
target_compile_definitions(SDL3_image PRIVATE SDL_IMAGE_USE_COMMON_BACKEND)
endif()
endif()
if(SDL3IMAGE_BACKEND_WIC)
target_compile_definitions(SDL3_image PRIVATE SDL_IMAGE_USE_WIC_BACKEND)
endif()
if(SDL3IMAGE_ZLIB)
if(SDL3IMAGE_ZLIB_VENDORED)
message(STATUS "${PROJECT_NAME}: Using vendored zlib")
sdl_check_project_in_subfolder(external/zlib zlib SDL3IMAGE_VENDORED)
add_subdirectory(external/zlib EXCLUDE_FROM_ALL)
# PNG_BUILD_ZLIB variable is used by vendored libpng
set(PNG_BUILD_ZLIB ON CACHE BOOL "libpng option to tell it should use 'our' vendored ZLIB library" FORCE)
# ZLIB_INCLUDE_DIR variable is used by vendored libpng
set(ZLIB_INCLUDE_DIR "$<BUILD_INTERFACE:${CMAKE_CURRENT_SOURCE_DIR}/external/zlib;${CMAKE_CURRENT_BINARY_DIR}/external/zlib>" CACHE STRING "path of zlib, passed to libpng" FORCE)
# ZLIB_LIBRARY variable is used by vendored libpng
if(SDL3IMAGE_ZLIB_SHARED)
set(ZLIB_LIBRARY zlib)
else()
set(ZLIB_LIBRARY zlibstatic)
endif()
list(APPEND INSTALL_EXTRA_TARGETS ${ZLIB_LIBRARY})
set_target_properties(${ZLIB_LIBRARY} PROPERTIES EXPORT_NAME external_zlib)
add_library(SDL3_image::external_zlib ALIAS ${ZLIB_LIBRARY})
else()
message(STATUS "${PROJECT_NAME}: Using system zlib")
find_package(ZLIB REQUIRED)
endif()
endif()
if(SDL3IMAGE_AVIF)
target_compile_definitions(SDL3_image PRIVATE LOAD_AVIF)
if(SDL3IMAGE_AVIF_VENDORED)
message(STATUS "${PROJECT_NAME}: Using vendored libavif")
message(FATAL_ERROR "libavif is not vendored (yet)")
sdl_check_project_in_subfolder(external/libavif libavif SDL3IMAGE_VENDORED)
set(BUILD_SHARED_LIBS ${SDL3IMAGE_AVIF_SHARED})
add_subdirectory(external/libavif EXCLUDE_FROM_ALL)
list(APPEND INSTALL_EXTRA_TARGETS libavif)
set_target_properties(libavif PROPERTIES EXPORT_NAME external_libavif)
add_library(SDL3_image::external_libavif ALIAS libavif)
if(NOT SDL3IMAGE_AVIF_SHARED)
list(APPEND PC_LIBS -l$<TARGET_FILE_BASE_NAME:avif>)
endif()
else()
message(STATUS "${PROJECT_NAME}: Using system libavif")
find_package(libavif ${LIBAVIF_MINIMUM_VERSION} REQUIRED)
list(APPEND PC_REQUIRES libavif)
endif()
if(SDL3IMAGE_AVIF_SHARED)
target_include_directories(SDL3_image PRIVATE
$<TARGET_PROPERTY:avif,INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:avif,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:avif,INTERFACE_SYSTEM_INCLUDE_DIRECTORIES>
)
target_get_dynamic_library(dynamic_avif avif)
message(STATUS "Dynamic libavif: ${dynamic_avif}")
target_compile_definitions(SDL3_image PRIVATE "LOAD_AVIF_DYNAMIC=\"${dynamic_avif}\"")
if(SDL3IMAGE_AVIF_VENDORED)
add_dependencies(SDL3_image avif)
endif()
else()
target_link_libraries(SDL3_image PRIVATE avif)
endif()
endif()
if(SDL3IMAGE_BMP)
target_compile_definitions(SDL3_image PRIVATE LOAD_BMP)
endif()
if(SDL3IMAGE_GIF)
target_compile_definitions(SDL3_image PRIVATE LOAD_GIF)
endif()
if(SDL3IMAGE_JPG)
target_compile_definitions(SDL3_image PRIVATE
LOAD_JPG
SDL_IMAGE_SAVE_JPG=$<BOOL:${SDL3IMAGE_JPG_SAVE}>
)
if(NOT SDL3IMAGE_BACKEND_STB AND NOT SDL3IMAGE_BACKEND_WIC AND NOT SDL3IMAGE_BACKEND_IMAGEIO)
if(SDL3IMAGE_JPG_VENDORED)
message(STATUS "${PROJECT_NAME}: Using vendored libjpeg")
sdl_check_project_in_subfolder(external/jpeg libjpeg SDL3IMAGE_VENDORED)
set(BUILD_SHARED_LIBS ${SDL3IMAGE_JPG_SHARED})
add_subdirectory(external/jpeg EXCLUDE_FROM_ALL)
list(APPEND INSTALL_EXTRA_TARGETS jpeg)
set_target_properties(jpeg PROPERTIES EXPORT_NAME external_libjpeg)
add_library(SDL3_image::external_libjpeg ALIAS jpeg)
if(NOT SDL3IMAGE_JPG_SHARED)
list(APPEND PC_LIBS -l$<TARGET_FILE_BASE_NAME:jpeg>)
endif()
else()
message(STATUS "${PROJECT_NAME}: Using system libjpeg")
find_package(JPEG REQUIRED)
list(APPEND PC_REQUIRES libjpeg)
endif()
if(SDL3IMAGE_JPG_SHARED)
target_include_directories(SDL3_image PRIVATE
$<TARGET_PROPERTY:JPEG::JPEG,INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:JPEG::JPEG,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:JPEG::JPEG,INTERFACE_SYSTEM_INCLUDE_DIRECTORIES>
)
target_get_dynamic_library(dynamic_jpeg JPEG::JPEG)
message(STATUS "Dynamic libjpeg: ${dynamic_jpeg}")
target_compile_definitions(SDL3_image PRIVATE "LOAD_JPG_DYNAMIC=\"${dynamic_jpeg}\"")
if(SDL3IMAGE_JPG_VENDORED)
add_dependencies(SDL3_image JPEG::JPEG)
endif()
else()
target_link_libraries(SDL3_image PRIVATE JPEG::JPEG)
endif()
endif()
endif()
if(SDL3IMAGE_JXL)
target_compile_definitions(SDL3_image PRIVATE LOAD_JXL)
if(SDL3IMAGE_JXL_VENDORED)
enable_language(CXX)
message(STATUS "${PROJECT_NAME}: Using vendored libjxl")
set(BUILD_TESTING OFF)
# JPEGXL_ENABLE_MANPAGES variable is used by libjxl
set(JPEGXL_ENABLE_MANPAGES OFF CACHE BOOL "libjxl manpage option" FORCE)
# JPEGXL_ENABLE_PLUGINS variable is used by libjxl
set(JPEGXL_ENABLE_PLUGINS OFF CACHE BOOL "libjxl manpage option" FORCE)
# JPEGXL_ENABLE_SKCMS variable is used by libjxl
set(JPEGXL_ENABLE_SKCMS OFF CACHE BOOL "libjxl skcms option" FORCE)
# JPEGXL_FORCE_SYSTEM_HWY variable is used by libjxl
set(JPEGXL_FORCE_SYSTEM_HWY OFF CACHE BOOL "libjxl highway option" FORCE)
sdl_check_project_in_subfolder(external/libjxl libjxl SDL3IMAGE_VENDORED)
set(BUILD_SHARED_LIBS ${SDL3IMAGE_JXL_SHARED})
add_subdirectory(external/libjxl EXCLUDE_FROM_ALL)
if(BUILD_SHARED_LIBS)
set(jxl_lib jxl)
list(APPEND INSTALL_EXTRA_TARGETS brotlidec brotlicommon brotlienc hwy ${jxl_lib})
if(NOT SDL3IMAGE_JXL_SHARED)
list(APPEND PC_LIBS
-l$<TARGET_FILE_BASE_NAME:brotlidec> -l$<TARGET_FILE_BASE_NAME:brotlicommon>
-l$<TARGET_FILE_BASE_NAME:brotlienc> -l$<TARGET_FILE_BASE_NAME:${jxl_lib}>
)
endif()
else()
set(jxl_lib jxl_dec-static)
list(APPEND INSTALL_EXTRA_TARGETS brotlidec-static brotlicommon-static hwy ${jxl_lib})
endif()
set_target_properties(${jxl_lib} PROPERTIES EXPORT_NAME external_libjxl)
add_library(SDL3_image::external_libjxl ALIAS ${jxl_lib})
if(NOT TARGET libjxl::libjxl)
add_library(libjxl::libjxl ALIAS ${jxl_lib})
endif()
else()
message(STATUS "${PROJECT_NAME}: Using system libjxl")
list(APPEND PC_REQUIRES libjxl)
find_package(libjxl REQUIRED)
endif()
if(SDL3IMAGE_JXL_SHARED)
target_include_directories(SDL3_image PRIVATE
$<TARGET_PROPERTY:libjxl::libjxl,INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:libjxl::libjxl,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:libjxl::libjxl,INTERFACE_SYSTEM_INCLUDE_DIRECTORIES>
)
target_get_dynamic_library(dynamic_jxl libjxl::libjxl)
message(STATUS "Dynamic libjxl: ${dynamic_jxl}")
target_compile_definitions(SDL3_image PRIVATE "LOAD_JXL_DYNAMIC=\"${dynamic_jxl}\"")
if(SDL3IMAGE_JXL_VENDORED)
add_dependencies(SDL3_image libjxl::libjxl)
endif()
else()
target_link_libraries(SDL3_image PRIVATE libjxl::libjxl)
endif()
endif()
if(SDL3IMAGE_LBM)
target_compile_definitions(SDL3_image PRIVATE LOAD_LBM)
endif()
if(SDL3IMAGE_PCX)
target_compile_definitions(SDL3_image PRIVATE LOAD_PCX)
endif()
if(SDL3IMAGE_PNG)
target_compile_definitions(SDL3_image PRIVATE
LOAD_PNG
SDL_IMAGE_SAVE_PNG=$<BOOL:${SDL3IMAGE_PNG_SAVE}>
)
if(NOT SDL3IMAGE_BACKEND_STB AND NOT SDL3IMAGE_BACKEND_WIC AND NOT SDL3IMAGE_BACKEND_IMAGEIO)
set(HAVE_LD_VERSION_SCRIPT OFF CACHE BOOL "" FORCE)
if(SDL3IMAGE_PNG_VENDORED)
message(STATUS "${PROJECT_NAME}: Using vendored libpng")
sdl_check_project_in_subfolder(external/libpng libpng SDL3IMAGE_VENDORED)
add_subdirectory(external/libpng EXCLUDE_FROM_ALL)
if(SDL3IMAGE_PNG_SHARED)
set(PNG_LIBRARY png)
else()
set(PNG_LIBRARY png_static)
endif()
add_library(PNG::PNG ALIAS ${PNG_LIBRARY})
target_include_directories(SDL3_image PRIVATE external/libpng)
list(APPEND INSTALL_EXTRA_TARGETS ${PNG_LIBRARY})
set_target_properties(${PNG_LIBRARY} PROPERTIES EXPORT_NAME external_libpng)
add_library(SDL3_image::external_libpng ALIAS ${PNG_LIBRARY})
if(NOT SDL3IMAGE_PNG_SHARED)
list(APPEND PC_LIBS -l$<TARGET_FILE_BASE_NAME:${PNG_LIBRARY}>)
if(SDL3IMAGE_ZLIB_VENDORED)
list(APPEND PC_LIBS -l$<TARGET_FILE_BASE_NAME:${ZLIB_LIBRARY}>)
else()
list(APPEND PC_REQUIRES zlib)
endif()
endif()
else()
message(STATUS "${PROJECT_NAME}: Using system libpng")
find_package(PNG REQUIRED)
list(APPEND PC_REQUIRES libpng)
endif()
if(SDL3IMAGE_PNG_SHARED)
target_include_directories(SDL3_image PRIVATE
$<TARGET_PROPERTY:PNG::PNG,INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:PNG::PNG,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:PNG::PNG,INTERFACE_SYSTEM_INCLUDE_DIRECTORIES>
)
target_get_dynamic_library(dynamic_png PNG::PNG)
message(STATUS "Dynamic libpng: ${dynamic_png}")
target_compile_definitions(SDL3_image PRIVATE "LOAD_PNG_DYNAMIC=\"${dynamic_png}\"")
if(SDL3IMAGE_PNG_VENDORED)
add_dependencies(SDL3_image PNG::PNG)
endif()
else()
target_link_libraries(SDL3_image PRIVATE PNG::PNG)
endif()
endif()
endif()
if(SDL3IMAGE_PNM)
target_compile_definitions(SDL3_image PRIVATE LOAD_PNM)
endif()
if(SDL3IMAGE_QOI)
target_compile_definitions(SDL3_image PRIVATE LOAD_QOI)
endif()
if(SDL3IMAGE_SVG)
target_compile_definitions(SDL3_image PRIVATE LOAD_SVG)
endif()
if(SDL3IMAGE_TGA)
target_compile_definitions(SDL3_image PRIVATE LOAD_TGA)
endif()
if(SDL3IMAGE_TIF)
target_compile_definitions(SDL3_image PRIVATE LOAD_TIF)
if(SDL3IMAGE_TIF_VENDORED)
message(STATUS "${PROJECT_NAME}: Using vendored libtiff")
# jpeg variable is used by vendored libtiff
set(jpeg OFF CACHE BOOL "libtiff: jpeg option" FORCE)
# libdeflate variable is used by vendored libtiff
set(libdeflate OFF CACHE BOOL "libtiff: libdeflate option" FORCE)
# DEFLATE_FOUND variable is used by vendored libtiff
set(DEFLATE_FOUND OFF CACHE BOOL "libtiff: libdeflate option" FORCE)
# zlib variable is used by vendored libtiff (controls use of `find_package`)
set(zlib OFF CACHE BOOL "libtiff: find zlib using find_package" FORCE)
# ZLIB_FOUND is used by vendored libtiff
set(ZLIB_FOUND "")
# lzma variable is used by vendored libtiff
set(lzma OFF CACHE BOOL "libtiff: lzma option" FORCE)
# webp variable is used by vendored libtiff
set(webp OFF CACHE BOOL "libtiff: webp option" FORCE)
# zstd variable is used by vendored libtiff
set(zstd OFF CACHE BOOL "libtiff: zstd option" FORCE)
# ZSTD_FOUND variable is used by vendored libtiff
set(ZSTD_FOUND OFF)
# WEBP_LIBRARY variable is used by vendored libtiff
set(WEBP_LIBRARY "")
sdl_check_project_in_subfolder(external/libtiff libtiff SDL3IMAGE_VENDORED)
set(BUILD_SHARED_LIBS ${SDL3IMAGE_TIF_SHARED})
add_subdirectory(external/libtiff EXCLUDE_FROM_ALL)
add_library(TIFF::TIFF ALIAS tiff)
list(APPEND INSTALL_EXTRA_TARGETS tiff)
set_target_properties(tiff PROPERTIES EXPORT_NAME external_libtiff)
add_library(SDL3_image::external_libtiff ALIAS tiff)
if(NOT SDL3IMAGE_TIF_SHARED)
list(APPEND PC_LIBS -l$<TARGET_FILE_BASE_NAME:tiff>)
endif()
else()
message(STATUS "${PROJECT_NAME}: Using system libtiff")
find_package(TIFF REQUIRED)
list(APPEND PC_REQUIRES libtiff-4)
endif()
if(SDL3IMAGE_TIF_SHARED)
target_include_directories(SDL3_image PRIVATE
$<TARGET_PROPERTY:TIFF::TIFF,INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:TIFF::TIFF,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:TIFF::TIFF,INTERFACE_SYSTEM_INCLUDE_DIRECTORIES>
)
target_get_dynamic_library(dynamic_tif TIFF::TIFF)
message(STATUS "Dynamic libtiff: ${dynamic_tif}")
target_compile_definitions(SDL3_image PRIVATE "LOAD_TIF_DYNAMIC=\"${dynamic_tif}\"")
if(SDL3IMAGE_TIF_VENDORED)
add_dependencies(SDL3_image TIFF::TIFF)
endif()
else()
target_link_libraries(SDL3_image PRIVATE TIFF::TIFF)
endif()
endif()
if(SDL3IMAGE_WEBP)
target_compile_definitions(SDL3_image PRIVATE LOAD_WEBP)
# missing cpufeatures
if(SDL3IMAGE_WEBP_VENDORED)
message(STATUS "${PROJECT_NAME}: Using vendored libwebp")
sdl_check_project_in_subfolder(external/libwebp libwebp SDL3IMAGE_VENDORED)
set(BUILD_SHARED_LIBS ${SDL3IMAGE_WEBP_SHARED})
add_subdirectory(external/libwebp EXCLUDE_FROM_ALL)
target_include_directories(SDL3_image PRIVATE external/libwebp/src)
add_library(WebP::webp ALIAS webp)
add_library(WebP::webpdemux ALIAS webpdemux)
list(APPEND INSTALL_EXTRA_TARGETS webp webpdemux)
set_target_properties(webp PROPERTIES EXPORT_NAME "external_libwebp")
add_library(SDL3_image::external_libwebp ALIAS webp)
else()
message(STATUS "${PROJECT_NAME}: Using system libwebp")
find_package(webp REQUIRED)
list(APPEND PC_REQUIRES libwebp)
endif()
if(SDL3IMAGE_WEBP_SHARED)
target_include_directories(SDL3_image PRIVATE
$<TARGET_PROPERTY:WebP::webp,INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:WebP::webp,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:WebP::webp,INTERFACE_SYSTEM_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:WebP::webpdemux,INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:WebP::webpdemux,INTERFACE_INCLUDE_DIRECTORIES>
$<TARGET_PROPERTY:WebP::webpdemux,INTERFACE_SYSTEM_INCLUDE_DIRECTORIES>
)
target_get_dynamic_library(dynamic_webpdemux WebP::webpdemux)
message(STATUS "Dynamic libwebpdemux: ${dynamic_webpdemux}")
target_compile_definitions(SDL3_image PRIVATE "LOAD_WEBPDEMUX_DYNAMIC=\"${dynamic_webpdemux}\"")
target_get_dynamic_library(dynamic_webpdemux WebP::webp)
message(STATUS "Dynamic libwebpdemux: ${dynamic_webp}")
target_compile_definitions(SDL3_image PRIVATE "LOAD_WEBP_DYNAMIC=\"${dynamic_webp}\"")
if(SDL3IMAGE_WEBP_VENDORED)
add_dependencies(SDL3_image WebP::webp WebP::webpdemux)
endif()
else()
target_link_libraries(SDL3_image PRIVATE WebP::webp WebP::webpdemux)
endif()
endif()
if(SDL3IMAGE_XCF)
target_compile_definitions(SDL3_image PRIVATE LOAD_XCF)
endif()
if(SDL3IMAGE_XPM)
target_compile_definitions(SDL3_image PRIVATE LOAD_XPM)
endif()
if(SDL3IMAGE_XV)
target_compile_definitions(SDL3_image PRIVATE LOAD_XV)
endif()
# Restore BUILD_SHARED_LIBS
set(BUILD_SHARED_LIBS ${SDL3IMAGE_BUILD_SHARED_LIBS})
if(SDL3IMAGE_INSTALL)
install(
TARGETS SDL3_image
EXPORT SDL3ImageExports
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}" COMPONENT devel
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}" COMPONENT library
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}" COMPONENT library
)
install(
FILES "${CMAKE_CURRENT_SOURCE_DIR}/include/SDL3/SDL_image.h"
DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}/SDL3" COMPONENT DEVEL
)
if(INSTALL_EXTRA_TARGETS)
install(
TARGETS ${INSTALL_EXTRA_TARGETS}
EXPORT SDL3ImageExports
ARCHIVE DESTINATION "${CMAKE_INSTALL_LIBDIR}" COMPONENT devel
LIBRARY DESTINATION "${CMAKE_INSTALL_LIBDIR}" COMPONENT library
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}" COMPONENT library
PUBLIC_HEADER DESTINATION "${CMAKE_INSTALL_INCLUDEDIR}" COMPONENT devel
)
endif()
if(WINDOWS AND NOT MINGW)
set(SDL3IMAGE_INSTALL_CMAKEDIR_ROOT_DEFAULT "cmake")
else()
set(SDL3IMAGE_INSTALL_CMAKEDIR_ROOT_DEFAULT "${CMAKE_INSTALL_LIBDIR}/cmake")
endif()
set(SDL3IMAGE_INSTALL_CMAKEDIR_ROOT "${SDL3IMAGE_INSTALL_CMAKEDIR_ROOT_DEFAULT}" CACHE STRING "Root folder where to install SDL3Config.cmake related files (SDL3 subfolder for MSVC projects)")
if(WINDOWS AND NOT MINGW)
set(SDL3IMAGE_INSTALL_CMAKEDIR "${SDL3IMAGE_INSTALL_CMAKEDIR_ROOT}")
set(LICENSES_PREFIX "licenses/SDL3_image")
else()
set(SDL3IMAGE_INSTALL_CMAKEDIR "${SDL3IMAGE_INSTALL_CMAKEDIR_ROOT}/SDL3")
set(LICENSES_PREFIX "${CMAKE_INSTALL_DATAROOTDIR}/licenses/SDL3_image")
endif()
configure_package_config_file(cmake/SDL3_imageConfig.cmake.in SDL3_imageConfig.cmake
INSTALL_DESTINATION "${SDL3IMAGE_INSTALL_CMAKEDIR}"
)
write_basic_package_version_file("${PROJECT_BINARY_DIR}/SDL3_imageConfigVersion.cmake"
VERSION ${FULL_VERSION}
COMPATIBILITY AnyNewerVersion
)
install(
FILES
"${CMAKE_CURRENT_BINARY_DIR}/SDL3_imageConfig.cmake"
"${CMAKE_CURRENT_BINARY_DIR}/SDL3_imageConfigVersion.cmake"
cmake/Findlibjxl.cmake
cmake/Findwebp.cmake
DESTINATION "${SDL3IMAGE_INSTALL_CMAKEDIR}"
COMPONENT devel
)
install(EXPORT SDL3ImageExports
FILE SDL3_image-${sdl3_image_install_name_infix}-targets.cmake
NAMESPACE SDL3_image::
DESTINATION "${SDL3IMAGE_INSTALL_CMAKEDIR}"
COMPONENT devel
)
set(PACKAGE "${PROJECT_NAME}")
set(VERSION "${FULL_VERSION}")
set(SDL_VERSION "${SDL_REQUIRED_VERSION}")
string(JOIN " " PC_REQUIRES ${PC_REQUIRES})
string(JOIN " " PC_LIBS ${PC_LIBS})
configure_file(cmake/sdl3-image.pc.in sdl3-image.pc.intermediate @ONLY)
file(GENERATE OUTPUT "${CMAKE_CURRENT_BINARY_DIR}/sdl3-image-$<CONFIG>.pc" INPUT "${CMAKE_CURRENT_BINARY_DIR}/sdl3-image.pc.intermediate")
set(PC_DESTDIR)
if(CMAKE_SYSTEM_NAME MATCHES FreeBSD)
# FreeBSD uses ${PREFIX}/libdata/pkgconfig
set(PC_DESTDIR "libdata/pkgconfig")
else()
set(PC_DESTDIR "${CMAKE_INSTALL_LIBDIR}/pkgconfig")
endif()
# Always install sdl3-image.pc file: libraries might be different between config modes
install(CODE "
# FIXME: use file(COPY_FILE) if minimum CMake version >= 3.21
execute_process(COMMAND \"\${CMAKE_COMMAND}\" -E copy_if_different
\"${CMAKE_CURRENT_BINARY_DIR}/sdl3-image-$<CONFIG>.pc\"
\"${CMAKE_CURRENT_BINARY_DIR}/sdl3-image.pc\")
file(INSTALL DESTINATION \"\${CMAKE_INSTALL_PREFIX}/${PC_DESTDIR}\"
TYPE FILE
FILES \"${CMAKE_CURRENT_BINARY_DIR}/sdl3-image.pc\")" COMPONENT devel)
install(FILES "LICENSE.txt"
DESTINATION "${CMAKE_INSTALL_DATAROOTDIR}/licenses/${PROJECT_NAME}"
COMPONENT library
)
endif()
if(SDL3IMAGE_SAMPLES)
add_executable(showanim showanim.c)
add_executable(showimage showimage.c)
foreach(prog showanim showimage)
if(MINGW)
target_link_libraries(${prog} PRIVATE mingw32)
target_link_options(${prog} PRIVATE -mwindows)
endif()
target_link_libraries(${prog} PRIVATE SDL3_image::${sdl3_image_export_name})
target_link_libraries(${prog} PRIVATE ${sdl3_target_name})
if(SDL3IMAGE_SAMPLES_INSTALL)
install(TARGETS ${prog}
RUNTIME DESTINATION "${CMAKE_INSTALL_BINDIR}"
)
endif()
endforeach()
endif()
add_library(SDL3::image INTERFACE IMPORTED GLOBAL)
set_target_properties(SDL3::image PROPERTIES
INTERFACE_LINK_LIBRARIES "SDL3_image"
)
if(CMAKE_VERSION VERSION_GREATER_EQUAL "3.17")
set_target_properties(SDL3::image PROPERTIES
DEPRECATION "Use SDL3_image::SDL3_image or SDL3_image::SDL3_image-static instead"
)
endif()
if(SDL3IMAGE_TESTS)
enable_testing()
add_subdirectory(test)
endif()