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