add freetype-based text rendering and box labels

cmake/ThirdParty.cmake

@@ -397,9 +397,11 @@ endif()
 add_library(freetype_external_lib UNKNOWN IMPORTED GLOBAL)
 set_target_properties(freetype_external_lib PROPERTIES
     IMPORTED_LOCATION_DEBUG   "${_ft_debug_lib}"
-    IMPORTED_LOCATION_RELEASE "${_ft_release_lib}"
-    INTERFACE_INCLUDE_DIRECTORIES
-        "$<IF:$<CONFIG:Debug>,${FREETYPE_BASE_DIR}-Debug/include,${FREETYPE_BASE_DIR}-Release/include>"
+    IMPORTED_LOCATION_RELEASE "${_ft_release_lib}" 
+)
+target_include_directories(freetype_external_lib INTERFACE
+    "$<IF:$<CONFIG:Debug>,${FREETYPE_BASE_DIR}-Debug/include/freetype2,${FREETYPE_BASE_DIR}-Release/include/freetype2>"
+    "$<IF:$<CONFIG:Debug>,${FREETYPE_BASE_DIR}-Debug/include,${FREETYPE_BASE_DIR}-Release/include>"
 )
 
 # ===========================================
@@ -453,8 +455,8 @@ if(NOT _have_sdl2ttf)
                 -DSDL2_LIBRARY=${_SDL2_LIB}
                 -DSDL2_INCLUDE_DIR=${SDL2_INSTALL_DIR}/include/SDL2
                 -DFREETYPE_LIBRARY=${_FT_LIB}
-                -DFREETYPE_INCLUDE_DIR=${_FT_PREFIX}/include
-                -DFREETYPE_INCLUDE_DIRS=${_FT_PREFIX}/include
+                -DFREETYPE_INCLUDE_DIR=${_FT_PREFIX}/include/freetype2
+                -DFREETYPE_INCLUDE_DIRS=${_FT_PREFIX}/include/freetype2
                 -DSDL2TTF_VENDORED=OFF
                 -DSDL2TTF_SAMPLES=OFF
             RESULT_VARIABLE _ttf_cfg_res