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3rdparty/opencv-4.5.4/modules/highgui/cmake/detect_gtk.cmake 1.69 KB
f4334277   Hu Chunming   提交3rdparty
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  # --- GTK ---
  ocv_clear_vars(HAVE_GTK HAVE_GTK2 HAVE_GTK3 HAVE_GTHREAD HAVE_GTKGLEXT)
  if(WITH_GTK)
    if(NOT WITH_GTK_2_X)
      ocv_check_modules(GTK3 gtk+-3.0)
      if(HAVE_GTK3)
        ocv_add_external_target(gtk3 "${GTK3_INCLUDE_DIRS}" "${GTK3_LIBRARIES}" "HAVE_GTK3;HAVE_GTK")
        set(HAVE_GTK TRUE)
      endif()
    endif()
    if((PROJECT_NAME STREQUAL "OpenCV" AND HIGHGUI_ENABLE_PLUGINS) OR NOT HAVE_GTK3)
      ocv_check_modules(GTK2 gtk+-2.0)
      if(HAVE_GTK2)
        set(MIN_VER_GTK "2.18.0")
        if(GTK2_VERSION VERSION_LESS MIN_VER_GTK)
          message(FATAL_ERROR "GTK support requires a minimum version of ${MIN_VER_GTK} (${GTK2_VERSION} found)")
        else()
          ocv_add_external_target(gtk2 "${GTK2_INCLUDE_DIRS}" "${GTK2_LIBRARIES}" "HAVE_GTK2;HAVE_GTK")
          set(HAVE_GTK TRUE)
        endif()
      endif()
    endif()
    ocv_check_modules(GTHREAD gthread-2.0)
    if(HAVE_GTK AND NOT HAVE_GTHREAD)
      message(FATAL_ERROR "gthread not found. This library is required when building with GTK support")
    else()
      ocv_add_external_target(gthread "${GTHREAD_INCLUDE_DIRS}" "${GTHREAD_LIBRARIES}" "HAVE_GTHREAD")
    endif()
    if((WITH_OPENGL OR HAVE_OPENGL) AND HAVE_GTK2)
      ocv_check_modules(GTKGLEXT gtkglext-1.0)
      if(HAVE_GTKGLEXT)
        ocv_add_external_target(gtkglext "${GTKGLEXT_INCLUDE_DIRS}" "${GTKGLEXT_LIBRARIES}" "HAVE_GTKGLEXT")
      endif()
    endif()
  elseif(HAVE_GTK)
    ocv_add_external_target(gtk "${GTK_INCLUDE_DIRS}" "${GTK_LIBRARIES}" "${GTK_DEFINES};HAVE_GTK")
  endif()
  
  if(WITH_OPENGL AND HAVE_GTKGLEXT)
    find_package(OpenGL QUIET)
    if(OPENGL_FOUND)
      set(HAVE_OPENGL TRUE)
      ocv_add_external_target(gtk_opengl "${OPENGL_INCLUDE_DIRS}" "${OPENGL_LIBRARIES}" "HAVE_OPENGL")
    endif()
  endif()