QtQt实现图片缝合：4张图片缝合成四宫格

cmake_minimum_required(VERSION 3.5) project(ImageOverlay VERSION 0.1 LANGUAGES CXX) set(CMAKE_AUTOUIC ON) set(CMAKE_AUTOMOC ON) set(CMAKE_AUTORCC ON) set(CMAKE_CXX_STANDARD 17) set(CMAKE_CXX_STANDARD_REQUIRED ON) find_package(QT NAMES Qt6 Qt5 REQUIRED COMPONENTS Widgets) find_package(Qt${QT_VERSION_MAJOR} REQUIRED COMPONENTS Widgets) set(PROJECT_SOURCES main.cpp mainwindow.cpp mainwindow.h mainwindow.ui ) if(${QT_VERSION_MAJOR} GREATER_EQUAL 6) qt_add_executable(ImageOverlay MANUAL_FINALIZATION ${PROJECT_SOURCES} ) # Define target properties for Android with Qt 6 as: # set_property(TARGET ImageOverlay APPEND PROPERTY QT_ANDROID_PACKAGE_SOURCE_DIR # ${CMAKE_CURRENT_SOURCE_DIR}/android) # For more information, see https://doc.qt.io/qt-6/qt-add-executable.html#target-creation else() if(ANDROID) add_library(ImageOverlay SHARED ${PROJECT_SOURCES} ) # Define properties for Android with Qt 5 after find_package() calls as: # set(ANDROID_PACKAGE_SOURCE_DIR "${CMAKE_CURRENT_SOURCE_DIR}/android") else() add_executable(ImageOverlay ${PROJECT_SOURCES} ) endif() endif() target_link_libraries(ImageOverlay PRIVATE Qt${QT_VERSION_MAJOR}::Widgets) set_target_properties(ImageOverlay PROPERTIES MACOSX_BUNDLE_GUI_IDENTIFIER my.example.com MACOSX_BUNDLE_BUNDLE_VERSION ${PROJECT_VERSION} MACOSX_BUNDLE_SHORT_VERSION_STRING ${PROJECT_VERSION_MAJOR}.${PROJECT_VERSION_MINOR} MACOSX_BUNDLE TRUE WIN32_EXECUTABLE TRUE ) install(TARGETS ImageOverlay BUNDLE DESTINATION . LIBRARY DESTINATION ${CMAKE_INSTALL_LIBDIR} RUNTIME DESTINATION ${CMAKE_INSTALL_BINDIR} ) if(QT_VERSION_MAJOR EQUAL 6) qt_finalize_executable(ImageOverlay) endif()