Update to Freeimage 3.19

CMakeLists.txt

@@ -1,12 +1,13 @@
 cmake_minimum_required(VERSION 3.22)
 
 option(MV_UNITY_BUILD "Combine target source files into batches for faster compilation" OFF)
+option(MV_IML_USE_SYSTEM_FREEIMAGE "Use local freeimage installation instead of building it" OFF)
 
 # -----------------------------------------------------------------------------
 # ImageLoader Plugin
 # -----------------------------------------------------------------------------
 set(PROJECT "ImageLoaderPlugin")
-PROJECT(${PROJECT})
+PROJECT(${PROJECT} C CXX)
 
 # -----------------------------------------------------------------------------
 # CMake Options
@@ -16,43 +17,51 @@ set(CMAKE_AUTORCC ON)
 set(CMAKE_AUTOUIC ON)
 set(CMAKE_CXX_STANDARD_REQUIRED ON)
 
-if(MSVC)
+if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /DWIN32 /EHsc /MP /permissive- /Zc:__cplusplus")
     set(CMAKE_CXX_FLAGS_DEBUG "${CMAKE_CXX_FLAGS_DEBUG} /MDd")
     set(CMAKE_CXX_FLAGS_RELWITHDEBINFO "${CMAKE_CXX_FLAGS_RELWITHDEBINFO} /MD")
     set(CMAKE_CXX_FLAGS_RELEASE "${CMAKE_CXX_FLAGS_RELEASE} /MD")
-endif(MSVC)
-
-include(FetchContent)
+endif()
 
 # -----------------------------------------------------------------------------
 # Dependencies
 # -----------------------------------------------------------------------------
 find_package(Qt6 COMPONENTS Widgets WebEngineWidgets Concurrent REQUIRED)
 find_package(ManiVault COMPONENTS Core PointData ImageData CONFIG QUIET)
 
-FetchContent_Declare(
-    FreeImage
-    GIT_REPOSITORY https://github.com/biovault/FreeImage
-    GIT_TAG 2fcb6ca6d3d4dd36f7be82368275dcce918227fa    # master as of 19-11-2024, version 3.18.0 with cmake files
-)
-
-FetchContent_MakeAvailable(FreeImage)
-
-set_target_properties(FreeImage FreeImageLib LibJPEG LibJXR LibOpenJPEG LibPNG LibRaw LibTIFF4 LibWebP OpenEXR ZLibFreeImage 
-    PROPERTIES 
-    FOLDER LoaderPlugins/Dependencies/ImageLoaderPlugin
-)
-
-# Do not build static library
-set_target_properties(FreeImageLib PROPERTIES EXCLUDE_FROM_ALL ON)
-
-# Remove /permissive- for OpenEXR and FreeImage
-if(MSVC)
-    target_compile_options(OpenEXR PRIVATE /permissive)
-    target_compile_options(FreeImage PRIVATE /permissive)
-    target_compile_options(FreeImageLib PRIVATE /permissive) # we don't need the static library, but just in case someone does build it
-endif(MSVC)
+if(MV_IML_USE_SYSTEM_FREEIMAGE)
+    set(CMAKE_MODULE_PATH ${CMAKE_CURRENT_SOURCE_DIR}/cmake)
+    find_package(FreeImage REQUIRED)
+else()
+    include(FetchContent)
+
+    FetchContent_Declare(
+        FreeImage
+        GIT_REPOSITORY https://github.com/biovault/FreeImage
+        GIT_TAG v3.19.0 # version 3.19.0.1, freeimage + cmake files + some updated modules
+    )
+
+    FetchContent_MakeAvailable(FreeImage)
+
+    get_target_property(FreeImageVersion FreeImageLib VERSION)
+    message(STATUS "FreeImage Version: ${FreeImageVersion}")
+
+    set_target_properties(FreeImage FreeImageLib LibJPEG LibJXR LibOpenJPEG LibPNG LibRaw LibTIFF4 LibWebP OpenEXR ZLibFreeImage 
+        PROPERTIES 
+        FOLDER LoaderPlugins/Dependencies/ImageLoaderPlugin
+    )
+
+    # Do not build static library
+    set_target_properties(FreeImageLib PROPERTIES EXCLUDE_FROM_ALL ON)
+
+    # Remove /permissive- for OpenEXR and FreeImage
+    if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
+        target_compile_options(OpenEXR PRIVATE /permissive)
+        target_compile_options(FreeImage PRIVATE /permissive)
+        target_compile_options(FreeImageLib PRIVATE /permissive) # we don't need the static library, but just in case someone does build it
+    endif()
+endif()
 
 # -----------------------------------------------------------------------------
 # Source files
@@ -200,7 +209,7 @@ set_target_properties(${PROJECT}
 # Miscellaneous
 # -----------------------------------------------------------------------------
 # Automatically set the debug environment (command + working directory) for MSVC
-if(MSVC)
+if(CMAKE_CXX_COMPILER_ID STREQUAL "MSVC")
     set_property(TARGET ${PROJECT} PROPERTY VS_DEBUGGER_WORKING_DIRECTORY $<IF:$<CONFIG:DEBUG>,${ManiVault_INSTALL_DIR}/Debug,$<IF:$<CONFIG:RELWITHDEBINFO>,${ManiVault_INSTALL_DIR}/RelWithDebInfo,${ManiVault_INSTALL_DIR}/Release>>)
     set_property(TARGET ${PROJECT} PROPERTY VS_DEBUGGER_COMMAND $<IF:$<CONFIG:DEBUG>,"${ManiVault_INSTALL_DIR}/Debug/ManiVault Studio.exe",$<IF:$<CONFIG:RELWITHDEBINFO>,"${ManiVault_INSTALL_DIR}/RelWithDebInfo/ManiVault Studio.exe","${ManiVault_INSTALL_DIR}/Release/ManiVault Studio.exe">>)
 endif()

cmake/FindFreeImage.cmake

@@ -0,0 +1,54 @@
+set(FREEIMAGE_INCLUDE_DIR_HINTS "" CACHE PATH "FreeImage include directory")
+set(FREEIMAGE_LIBRARY_DIR_HINTS "" CACHE PATH "FreeImage library directory")
+
+unset(FREEIMAGE_FOUND)
+
+if(TARGET FreeImage)
+    set(FREEIMAGE_FOUND TRUE)
+    message(STATUS "Found FreeImage")
+    message(STATUS "  Target : FreeImage")
+else()
+    list(APPEND FREEIMAGE_CHECK_INCLUDE_DIRS
+        ${FREEIMAGE_INCLUDE_DIR_HINTS}
+        /usr/include 
+        /usr/local/include 
+        /opt/homebrew/include
+    )
+
+    list(APPEND FREEIMAGE_CHECK_LIBRARY_DIRS
+        ${FREEIMAGE_LIBRARY_DIR_HINTS}
+        /usr/lib 
+        /usr/local/lib 
+        /opt/homebrew/lib
+    )
+
+    find_path(FreeImage_INCLUDE_DIRS
+        NAMES 
+        FreeImage.h
+        PATHS 
+        ${FREEIMAGE_CHECK_INCLUDE_DIRS})
+    )
+
+    find_library(FreeImage_LIBRARIES
+        NAMES 
+        freeimage
+        PATHS 
+        ${FREEIMAGE_CHECK_LIBRARY_DIRS})
+    )
+
+    if(FREEIMAGE_INCLUDE_DIRS AND FREEIMAGE_LIBRARIES)
+        set(FREEIMAGE_FOUND TRUE)
+
+        add_library(FreeImage INTERFACE IMPORTED)
+        target_include_directories(
+            FreeImage INTERFACE ${FREEIMAGE_INCLUDE_DIRS})
+        target_link_libraries(
+            FreeImage INTERFACE ${FREEIMAGE_LIBRARIES})
+
+        message(STATUS "Found FreeImage")
+        message(STATUS "  Includes : ${FREEIMAGE_INCLUDE_DIRS}")
+        message(STATUS "  Libraries : ${FREEIMAGE_LIBRARIES}")
+    else()
+         message(FATAL_ERROR "Could not find FreeImage")
+    endif()
+endif()