# ---------------------------------------------------------------------------- # Detect 3rd-party GUI libraries # ---------------------------------------------------------------------------- # --- QT4/5 --- ocv_clear_vars(HAVE_QT HAVE_QT5) macro(ocv_find_package_Qt4) find_package(Qt4 COMPONENTS QtCore QtGui QtTest ${ARGN}) if(QT4_FOUND) set(QT_FOUND 1) ocv_assert(QT_VERSION_MAJOR EQUAL 4) endif() endmacro() macro(ocv_find_package_Qt OCV_QT_VER) find_package(Qt${OCV_QT_VER} COMPONENTS Core Gui Widgets Test Concurrent ${ARGN} NO_MODULE) if(Qt${OCV_QT_VER}_FOUND) set(QT_FOUND 1) set(QT_VERSION "${Qt${OCV_QT_VER}_VERSION}") set(QT_VERSION_MAJOR "${Qt${OCV_QT_VER}_VERSION_MAJOR}") set(QT_VERSION_MINOR "${Qt${OCV_QT_VER}_VERSION_MINOR}") set(QT_VERSION_PATCH "${Qt${OCV_QT_VER}_VERSION_PATCH}") set(QT_VERSION_TWEAK "${Qt${OCV_QT_VER}_VERSION_TWEAK}") set(QT_VERSION_COUNT "${Qt${OCV_QT_VER}_VERSION_COUNT}") endif() endmacro() if(WITH_QT) if(NOT WITH_QT GREATER 0) # BUG: Qt5Config.cmake script can't handle components properly: find_package(QT NAMES Qt6 Qt5 REQUIRED NO_MODULE COMPONENTS Core Gui Widgets Test Concurrent) ocv_find_package_Qt(6 QUIET) if(NOT QT_FOUND) ocv_find_package_Qt(5 QUIET) endif() if(NOT QT_FOUND) ocv_find_package_Qt4(QUIET) endif() elseif(WITH_QT EQUAL 4) ocv_find_package_Qt4(REQUIRED) else() # WITH_QT= ocv_find_package_Qt("${WITH_QT}" REQUIRED) endif() if(QT_FOUND) set(HAVE_QT ON) if(QT_VERSION_MAJOR GREATER 4) find_package(Qt${QT_VERSION_MAJOR} COMPONENTS OpenGL QUIET) if(Qt${QT_VERSION_MAJOR}OpenGL_FOUND) set(QT_QTOPENGL_FOUND ON) # HAVE_QT_OPENGL is defined below if(QT_VERSION_MAJOR GREATER 5) # QGL -> QOpenGL find_package(Qt${QT_VERSION_MAJOR} COMPONENTS OpenGLWidgets QUIET) if(NOT Qt${QT_VERSION_MAJOR}OpenGLWidgets_FOUND) message(STATUS "Qt OpenGLWidgets component not found: turning off Qt OpenGL functionality") set(QT_QTOPENGL_FOUND FALSE) endif() endif() endif() endif() endif() endif() # --- OpenGl --- ocv_update(OpenGL_GL_PREFERENCE LEGACY) ocv_clear_vars(HAVE_OPENGL HAVE_QT_OPENGL) if(WITH_OPENGL) if(WITH_WIN32UI OR (HAVE_QT AND QT_QTOPENGL_FOUND) OR HAVE_GTKGLEXT) find_package (OpenGL QUIET) if(OPENGL_FOUND) set(HAVE_OPENGL TRUE) if(QT_QTOPENGL_FOUND) set(HAVE_QT_OPENGL TRUE) else() ocv_include_directories(${OPENGL_INCLUDE_DIR}) endif() endif() endif() endif(WITH_OPENGL) # --- Cocoa --- if(APPLE) if(NOT IOS AND NOT XROS AND CV_CLANG) set(HAVE_COCOA YES) endif() endif()