cmake_minimum_required(VERSION 3.22)
project(omaphoto VERSION 1.4.5 LANGUAGES C CXX)

set(CMAKE_CXX_STANDARD 20)
set(CMAKE_CXX_STANDARD_REQUIRED ON)
set(CMAKE_CXX_EXTENSIONS OFF)
set(CMAKE_AUTOMOC ON)
if(NOT CMAKE_BUILD_TYPE)
    set(CMAKE_BUILD_TYPE RelWithDebInfo)
endif()

option(OMAPHOTO_WERROR "Treat warnings as errors" OFF)

find_package(Qt6 6.4 REQUIRED COMPONENTS Widgets Concurrent Svg Test)
find_package(libheif REQUIRED)
find_package(Fontconfig REQUIRED)
find_package(onnxruntime REQUIRED)
find_package(PkgConfig REQUIRED)
# The thread-safe build: previews develop on workers.
pkg_check_modules(LIBRAW REQUIRED IMPORTED_TARGET libraw_r)

add_library(compositor_core STATIC
    src/Logging.cpp
    src/ContentView.cpp
    src/ContentView+Status.cpp
    src/ContentView+Panels.cpp
    src/Document/BrushStroke.cpp
    src/Document/BrushStroke+Stroke.cpp
    src/Document/BrushStroke+Commit.cpp
    src/Document/CanvasSize.cpp
    src/Document/Distort.cpp
    src/Document/DocumentHistory.cpp
    src/Document/EditorSession.cpp
    src/Document/EditorSession+Navigator.cpp
    src/Document/EditorSession+Brush.cpp
    src/Document/EditorSession+Imports.cpp
    src/Document/EditorSession+Layers.cpp
    src/Document/EditorSession+Model.cpp
    src/Document/EditorSession+Projects.cpp
    src/Document/EditorSession+Transform.cpp
    src/Document/LayerAdjustment.cpp
    src/Document/LayerEffects.cpp
    src/Document/LayerEffects+Session.cpp
    src/Document/LayerEffects+Renderer.cpp
    src/Document/AdjustmentEditing.cpp
    src/Document/LayerAppearance.cpp
    src/Document/LayerGroups.cpp
    src/Document/LayerGroups+Order.cpp
    src/Document/LayerMask.cpp
    src/Document/LayerMask+Alone.cpp
    src/Document/LayerTransform.cpp
    src/Document/LiveLayerMask.cpp
    src/Document/PixelAdjust.cpp
    src/Document/ProjectWorkspace.cpp
    src/Document/ProjectWorkspace+Copy.cpp
    src/Document/SelectionClipboard.cpp
    src/Document/Crop.cpp
    src/Document/DocumentLimits.cpp
    src/Document/Guides.cpp
    src/Document/ToolDefaults.cpp
    src/Document/ObjectSelection.cpp
    src/Document/Dither.cpp
    src/Document/Scanlines.cpp
    src/Document/Filters.cpp
    src/Document/CameraRaw.cpp
    src/Document/CameraRawTables.cpp
    src/Document/CameraRaw+Session.cpp
    src/Document/CameraRawColor.cpp
    src/Document/CameraRawDetailOptics.cpp
    src/Document/CameraRawGeometryCalibration.cpp
    src/Document/GuidedMatte.cpp
    src/Document/SubjectRemoval.cpp
    src/Document/FloatingSelection.cpp
    src/Document/Gradient.cpp
    src/Document/Filters+Session.cpp
    src/Document/Levels.cpp
    src/Document/LevelsAutomatic.cpp
    src/Document/Curves.cpp
    src/Document/ImageAdjustments.cpp
    src/Document/ImageTrim.cpp
    src/Document/HueSaturation.cpp
    src/Document/HueSaturation+Filter.cpp
    src/Document/HueSaturation+Session.cpp
    src/Document/BlurTool.cpp
    src/Document/CloneStamp.cpp
    src/Document/ColorPalette.cpp
    src/Document/ContentFill.cpp
    src/Document/CanvasRotation.cpp
    src/Document/LayerFlip.cpp
    src/Document/LayerMerge.cpp
    src/Document/MagicWand.cpp
    src/Document/MaskTracing.cpp
    src/Document/PixelInvert.cpp
    src/Document/Selection.cpp
    src/Document/Selection+Modify.cpp
    src/Document/SelectionEdits.cpp
    src/Document/ShapeTool.cpp
    src/Document/TypeTool.cpp
    src/Document/TypeTool+Runs.cpp
    src/Document/ColorRangeSelection.cpp
    src/Document/SmudgeLiquify.cpp
    src/UI/BlendModePicker.cpp
    src/UI/BrushControls.cpp
    src/UI/CropControls.cpp
    src/UI/CanvasRulers.cpp
    src/UI/CanvasSizeSheet.cpp
    src/UI/GridSettingsSheet.cpp
    src/UI/ImageSizeSheet.cpp
    src/UI/TrimSheet.cpp
    src/UI/ExportAsSheet.cpp
    src/UI/ExportAsSheet+Preview.cpp
    src/UI/ByteCounts.cpp
    src/UI/SliderSnap.cpp
    src/UI/GradientControls.cpp
    src/UI/ShapeControls.cpp
    src/UI/TypeControls.cpp
    src/UI/CanvasThumbnail.cpp
    src/UI/ColorPaletteControls.cpp
    src/UI/ColorPickerSheet.cpp
    src/UI/ColorPickerSheet+Dialog.cpp
    src/UI/CommandPalette.cpp
    src/UI/CommandPaletteView.cpp
    src/UI/CompositorMenus.cpp
    src/UI/LayerAppearanceControls.cpp
    src/UI/LayerIcons.cpp
    src/UI/LassoControls.cpp
    src/UI/LayerMaskMenu.cpp
    src/UI/NavigatorMinimap.cpp
    src/UI/LayersPanel.cpp
    src/UI/LevelsSheet.cpp
    src/UI/HueSaturationSheet.cpp
    src/UI/SampleButton.cpp
    src/UI/ColorRangeSheet.cpp
    src/UI/HueSaturationSheet+Spectrum.cpp
    src/UI/CurvesControls.cpp
    src/UI/NativeLayerList.cpp
    src/UI/NativeLayerList+Buttons.cpp
    src/UI/NativeLayerList+Cell.cpp
    src/UI/NativeLayerList+Drag.cpp
    src/UI/NativeLayerList+Effects.cpp
    src/UI/NativeLayerList+Menu.cpp
    src/UI/NavigationToolHeader.cpp
    src/UI/NumericScrub.cpp
    src/UI/HeldModifiers.cpp
    src/UI/TransformInspector.cpp
    src/UI/EffectsSheet.cpp
    src/UI/CameraRawColorControls.cpp
    src/UI/CameraRawColorControls+Curve.cpp
    src/UI/CameraRawColorControls+Grading.cpp
    src/UI/CameraRawColorControls+Mixer.cpp
    src/UI/CameraRawControls.cpp
    src/UI/CameraRawDetailOpticsControls.cpp
    src/UI/CameraRawGeometryCalibrationControls.cpp
    src/UI/CameraRawRow.cpp
    src/UI/CameraRawControls+Basic.cpp
    src/UI/CameraRawSlider.cpp
    src/UI/FilterSheet.cpp
    src/UI/FilterSheet+Adjustments.cpp
    src/UI/FilterSheet+Controls.cpp
    src/UI/FilterSheet+Dither.cpp
    src/UI/FilterSheet+Scanlines.cpp
    src/UI/FilterSheet+Finishing.cpp
    src/UI/FloatingPanel.cpp
    src/UI/KeyboardShortcuts.cpp
    src/UI/KeyboardShortcuts+Sheet.cpp
    src/UI/NewCanvasSheet.cpp
    src/UI/PSDConversionSheet.cpp
    src/UI/RawDevelopSheet.cpp
    src/UI/OmarchyTheme.cpp
    src/UI/ProjectTabs.cpp
    src/UI/ProjectTabs+Strip.cpp
    src/UI/ProjectTabLayout.cpp
    src/UI/ProjectWorkspaceView.cpp
    src/UI/ToolHeaderStyle.cpp
    src/UI/ToolIcons.cpp
    src/IO/CanvasResizer.cpp
    src/IO/ImageExporter.cpp
    src/IO/ImageImporter.cpp
    src/IO/RawImporter.cpp
    src/IO/ImageResizer.cpp
    src/IO/ProjectController.cpp
    src/IO/ProjectController+Resize.cpp
    src/IO/ProjectController+Export.cpp
    src/IO/ProjectController+ExternalChanges.cpp
    src/IO/ImageFileDrop.cpp
    src/IO/PSD/PSDChannelCoder.cpp
    src/IO/PSD/PSDDocumentBuilder.cpp
    src/IO/PSD/PSDReader.cpp
    src/IO/PSD/PSDReader+Records.cpp
    src/IO/PSD/PSDReader+Adjustments.cpp
    src/IO/PSD/PSDText.cpp
    src/IO/PSD/PSDText+Descriptor.cpp
    src/IO/PSD/PSDText+Engine.cpp
    src/IO/PSD/PSDTypes.cpp
    src/IO/PSD/PSDVector.cpp
    src/IO/ProjectDigest.cpp
    src/IO/ProjectStore.cpp
    src/IO/ProjectWatcher.cpp
    src/IO/RecentProjects.cpp
    src/IO/ProjectStore+Adjustment.cpp
    src/IO/ProjectStore+Effects.cpp
    src/IO/ProjectStore+Manifest.cpp
    src/Rendering/AdjustmentSurface.cpp
    src/Rendering/CanvasViewport.cpp
    src/Rendering/DownsampleCache.cpp
    src/Rendering/EffectsPreviewCache.cpp
    src/Rendering/EditorCanvas.cpp
    src/Rendering/EditorCanvas+CameraRaw.cpp
    src/Rendering/EditorCanvas+Brush.cpp
    src/Rendering/EditorCanvas+Crop.cpp
    src/Rendering/EditorCanvas+DraftText.cpp
    src/Rendering/EditorCanvas+Effects.cpp
    src/Rendering/EditorCanvas+Grid.cpp
    src/Rendering/EditorCanvas+Guides.cpp
    src/Rendering/EditorCanvas+Keys.cpp
    src/Rendering/EditorCanvas+Gradient.cpp
    src/Rendering/EditorCanvas+Cursors.cpp
    src/Rendering/BrushCursorOverlay.cpp
    src/Rendering/EditorCanvas+Masks.cpp
    src/Rendering/EditorCanvas+Navigation.cpp
    src/Rendering/EditorCanvas+Picking.cpp
    src/Rendering/EditorCanvas+Selection.cpp
    src/Rendering/EditorCanvas+Shape.cpp
    src/Rendering/InlineTextEditor.cpp
    src/Rendering/InlineTextEditor+Editing.cpp
    src/Rendering/InlineTextEditor+Input.cpp
    src/Rendering/InlineTextEditor+Pointer.cpp
    src/Rendering/TextLayout.cpp
    src/Rendering/EditorCanvas+Transform.cpp
    src/Rendering/SelectionIcons.cpp
    src/Rendering/EyedropperIcon.cpp
    src/Rendering/SampleRingOverlay.cpp
    src/Rendering/TransformOverlay.cpp
    src/Rendering/TransformOverlay+Ants.cpp
    src/Rendering/HslBlend.cpp
    src/Rendering/SeparableBlend.cpp
    src/Rendering/LayerEffectsKernel.cpp
    src/Rendering/LayerEffectsSurface.cpp
    src/Rendering/LayerRenderer.cpp
    src/Rendering/NavigatorGeometry.cpp
    src/Rendering/LiveMaskRenderer.cpp
    src/Rendering/BrushCoverage.cpp
    src/Rendering/RasterSnapshot.cpp
    src/Rendering/TiledLayerRenderer.cpp
)
# Shared macOS pixel kernels, always optimized.
set(OMAPHOTO_KERNELS ${CMAKE_CURRENT_SOURCE_DIR}/kernels)
target_sources(compositor_core PRIVATE ${OMAPHOTO_KERNELS}/AdjustPixels.c ${OMAPHOTO_KERNELS}/BrushPixels.c ${OMAPHOTO_KERNELS}/WandPixels.c ${OMAPHOTO_KERNELS}/ContentFill.c
    ${OMAPHOTO_KERNELS}/HealPixels.c ${OMAPHOTO_KERNELS}/LevelsPixels.c ${OMAPHOTO_KERNELS}/NoisePixels.c ${OMAPHOTO_KERNELS}/LensPixels.c
    ${OMAPHOTO_KERNELS}/DitherPixels.c)
set_source_files_properties(${OMAPHOTO_KERNELS}/AdjustPixels.c ${OMAPHOTO_KERNELS}/BrushPixels.c ${OMAPHOTO_KERNELS}/WandPixels.c ${OMAPHOTO_KERNELS}/ContentFill.c
    ${OMAPHOTO_KERNELS}/HealPixels.c ${OMAPHOTO_KERNELS}/LevelsPixels.c ${OMAPHOTO_KERNELS}/NoisePixels.c ${OMAPHOTO_KERNELS}/LensPixels.c ${OMAPHOTO_KERNELS}/DitherPixels.c
    PROPERTIES COMPILE_OPTIONS -O2)
# Swift's kernel warns so through 1.3.3, unchanged.
set_property(SOURCE ${OMAPHOTO_KERNELS}/AdjustPixels.c APPEND PROPERTY COMPILE_OPTIONS -Wno-unused-parameter -Wno-misleading-indentation)
# The per-pixel loops vectorise only at -O3.
set_source_files_properties(src/Rendering/BrushCoverage.cpp src/Rendering/DownsampleCache.cpp PROPERTIES COMPILE_OPTIONS -O3)
target_include_directories(compositor_core PUBLIC src PRIVATE ${OMAPHOTO_KERNELS})
find_package(LibLZMA REQUIRED)
# Swift's bundled resource, inside the binary.
qt_add_resources(compositor_core camera_raw_tables PREFIX "/" BASE src/Resources FILES src/Resources/CameraRawTables.bin)
target_link_libraries(compositor_core PUBLIC Qt6::Widgets Qt6::Concurrent PRIVATE LibLZMA::LibLZMA Qt6::Svg heif Fontconfig::Fontconfig onnxruntime::onnxruntime PkgConfig::LIBRAW)
target_compile_options(compositor_core PUBLIC -Wall -Wextra
    $<$<BOOL:${OMAPHOTO_WERROR}>:-Werror>)
# Empty optionals and bad indexes abort, not pass by luck.
target_compile_definitions(compositor_core PUBLIC
    OMAPHOTO_VERSION="${PROJECT_VERSION}" _GLIBCXX_ASSERTIONS)

add_executable(omaphoto src/CompositorApp.cpp)
target_link_libraries(omaphoto PRIVATE compositor_core)
include(GNUInstallDirs)
install(TARGETS omaphoto RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR})
install(FILES packaging/io.github.ZacharyZhang_NY.OmaPhoto.desktop DESTINATION ${CMAKE_INSTALL_DATADIR}/applications)
install(FILES packaging/io.github.ZacharyZhang_NY.OmaPhoto.xml DESTINATION ${CMAKE_INSTALL_DATADIR}/mime/packages)
# Swift's app icon, one size a hicolor folder.
foreach(size 16 32 64 128 256 512)
    install(FILES packaging/icons/app-icon-${size}.png
            DESTINATION ${CMAKE_INSTALL_DATADIR}/icons/hicolor/${size}x${size}/apps RENAME io.github.ZacharyZhang_NY.OmaPhoto.png)
endforeach()
install(FILES licenses/U-2-Net.txt LICENSE DESTINATION ${CMAKE_INSTALL_DATADIR}/licenses/omaphoto)
# A direct install registers the project type; packages use hooks.
install(CODE "
    if(\"\$ENV{DESTDIR}\" STREQUAL \"\")
        find_program(UPDATE_MIME update-mime-database REQUIRED)
        execute_process(COMMAND \${UPDATE_MIME} \"\${CMAKE_INSTALL_PREFIX}/${CMAKE_INSTALL_DATADIR}/mime\" COMMAND_ERROR_IS_FATAL ANY)
    endif()")
# Packages carry their ONNX Runtime; each release renames its symbols.
option(OMAPHOTO_BUNDLE_ORT "Install ONNX Runtime beside the app" OFF)
set(OMAPHOTO_ORT_NOTICES /usr/local/share/doc/onnxruntime CACHE PATH "ONNX Runtime's LICENSE and notices")
if(OMAPHOTO_BUNDLE_ORT)
    # Microsoft's licence travels with its library.
    foreach(notice LICENSE ThirdPartyNotices.txt)
        if(NOT EXISTS ${OMAPHOTO_ORT_NOTICES}/${notice})
            message(FATAL_ERROR "bundling ONNX Runtime needs ${OMAPHOTO_ORT_NOTICES}/${notice}")
        endif()
        install(FILES ${OMAPHOTO_ORT_NOTICES}/${notice} DESTINATION ${CMAKE_INSTALL_DATADIR}/licenses/omaphoto/onnxruntime)
    endforeach()
    install(IMPORTED_RUNTIME_ARTIFACTS onnxruntime::onnxruntime LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR}/omaphoto)
    set_target_properties(omaphoto PROPERTIES INSTALL_RPATH "$ORIGIN/../${CMAKE_INSTALL_LIBDIR}/omaphoto")
    # rpmbuild would offer the bundled library to the system.
    set(CPACK_RPM_SPEC_MORE_DEFINE "%global __provides_exclude_from ^%{_libdir}/omaphoto/.*$\n%global __requires_exclude ^libonnxruntime[.]so")
endif()
# Debian and Fedora packages; each built on its own system.
set(CPACK_PACKAGE_NAME omaphoto)
set(CPACK_PACKAGE_VENDOR "ZacharyZhang-NY")
set(CPACK_PACKAGE_CONTACT "ZacharyZhang-NY")
set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "Layered image editing for Linux, a port of Compositor")
set(CPACK_PACKAGE_HOMEPAGE_URL "https://git.zacharyzhang.com/ZacharyZhang-NY/OmaPhoto")
set(CPACK_PACKAGING_INSTALL_PREFIX /usr)
set(CPACK_DEBIAN_FILE_NAME DEB-DEFAULT)
set(CPACK_DEBIAN_PACKAGE_SECTION graphics)
set(CPACK_DEBIAN_PACKAGE_SHLIBDEPS ON)
# What no library names: HEVC decoding, TIFF, the MIME tools.
set(CPACK_DEBIAN_PACKAGE_DEPENDS "libheif-plugin-libde265, qt6-image-formats-plugins, shared-mime-info, hicolor-icon-theme")
set(CPACK_RPM_FILE_NAME RPM-DEFAULT)
set(CPACK_RPM_PACKAGE_LICENSE MIT)
set(CPACK_RPM_PACKAGE_GROUP Applications/Multimedia)
set(CPACK_RPM_PACKAGE_REQUIRES "qt6-qtimageformats, shared-mime-info, hicolor-icon-theme")
# Fedora decodes HEVC through RPM Fusion's libheif-freeworld.
set(CPACK_RPM_PACKAGE_SUGGESTS libheif-freeworld)
include(CPack)
# Remove Background's model, which packages fetch by checksum.
set(OMAPHOTO_MODEL "" CACHE FILEPATH "u2net.onnx to install")
if(OMAPHOTO_MODEL)
    # The file itself: a link leads back to this machine.
    file(REAL_PATH "${OMAPHOTO_MODEL}" model)
    install(FILES ${model} DESTINATION ${CMAKE_INSTALL_DATADIR}/omaphoto RENAME u2net.onnx)
endif()

include(tests/Tests.cmake)