working msdf atlas gen lib on windows

3rdParty/msdf/CMakeLists.txt

@@ -10,6 +10,10 @@ if(NOT DEFINED MSDFGEN_REPO)
     set(MSDFGEN_REPO https://github.com/Chlumsky/msdfgen.git)
 endif ()
 
+if(NOT DEFINED MSDFGEN_ATRLAS_REPO)
+    set(MSDFGEN_ATRLAS_REPO https://github.com/Chlumsky/msdf-atlas-gen.git)
+endif()
+
 if(NOT DEFINED VCPKG_REPO)
     set(VCPKG_REPO https://github.com/microsoft/vcpkg.git)
 endif()
@@ -62,8 +66,6 @@ if(WIN32)
     set(FREETYPE_INCLUDE_DIRS "${VCPKG_SRC_DIR}/packages/freetype_${TRIPLET}/include" CACHE STRING "freetype include path on win")
 endif()
 
-#find_package(Freetype REQUIRED)
-
 set(MSDFGEN_DISABLE_SVG TRUE CACHE INTERNAL "disable msdfgen svg")
 set(MSDFGEN_DISABLE_PNG TRUE CACHE INTERNAL "disable msdfgen png")
 set(MSDFGEN_USE_SKIA OFF CACHE BOOL "use skia" FORCE)
@@ -76,3 +78,17 @@ FetchContent_Declare(
         GIT_SHALLOW TRUE
 )
 FetchContent_MakeAvailable(msdfgen)
+
+set(MSDFGEN_DISABLE_SVG TRUE CACHE INTERNAL "disable msdfgen svg")
+set(MSDFGEN_DISABLE_PNG TRUE CACHE INTERNAL "disable msdfgen png")
+set(MSDF_ATLAS_USE_SKIA OFF CACHE BOOL "use skia" FORCE)
+set(MSDF_ATLAS_MSDFGEN_EXTERNAL ON CACHE BOOL "do not build msdfgen submodule" FORCE)
+
+FetchContent_Declare(
+        msdfgen_atlas
+        EXCLUDE_FROM_ALL
+        GIT_REPOSITORY ${MSDFGEN_ATRLAS_REPO}
+        GIT_TAG master
+        GIT_SHALLOW TRUE
+)
+FetchContent_MakeAvailable(msdfgen_atlas)