search for dependencies is CMakeLists

modules/viz2d/CMakeLists.txt

@@ -1,7 +1,10 @@
 include("FindGLEW")
-set(the_description "Viz2D Visualization Module")
+include("FindPkgConfig")
 
+set(the_description "Viz2D Visualization Module")
+find_package(nanogui CONFIG)
 find_package(glfw3 CONFIG)
+pkg_check_modules(nanovg nanovg)
 
 if(NOT glfw3_FOUND)
   message(STATUS "Module opencv_viz2d disabled because GLFW3 was not found")
@@ -9,6 +12,12 @@ if(NOT glfw3_FOUND)
 elseif(NOT GLEW_FOUND)
   message(STATUS "Module opencv_viz2d disabled because GLEW was not found")
   ocv_module_disable(viz2d)
+elseif(NOT nanovg_FOUND)
+  message(STATUS "Module opencv_viz2d disabled because NanoVG was not found")
+  ocv_module_disable(viz2d)
+elseif(NOT nanogui_FOUND)
+  message(STATUS "Module opencv_viz2d disabled because NanoGUI was not found")
+  ocv_module_disable(viz2d)
 else() # we need C++20
   if(MSVC)
     set(CMAKE_CXX_FLAGS "${CMAKE_CXX_FLAGS} /Qstd=c++20")
@@ -19,8 +28,12 @@ endif()
 
 include_directories(${GLFW_INCLUDE_DIRS})
 include_directories(${GLEW_INCLUDE_DIRS})
+include_directories(${nanovg_INCLUDE_DIRS})
+include_directories(${nanogui_INCLUDE_DIRS})
 link_directories(${GLFW_LIBRARY_DIRS})
 link_directories(${GLEW_LIBRARY_DIRS})
+link_directories(${nanovg_LIBRARY_DIRS})
+link_directories(${nanogui_LIBRARY_DIRS})
 
 ocv_add_module(viz2d opencv_core opencv_imgproc opencv_videoio opencv_video)
 ocv_glob_module_sources()
@@ -30,4 +43,4 @@ ocv_create_module()
 #ocv_add_samples(opencv_aruco)
 
 ocv_warnings_disable(CMAKE_CXX_FLAGS -Wunused-parameter)
-ocv_target_link_libraries(${the_module} ${GLFW_LIBRARIES} ${GLEW_LIBRARIES})
+ocv_target_link_libraries(${the_module} ${GLFW_LIBRARIES} ${GLEW_LIBRARIES} ${nanovg_LIBRARIES} ${nanogui_LIBRARIES})