From 8f1f3422bdab70f013d057831f5661b768337d42 Mon Sep 17 00:00:00 2001
From: Kumataro <Kumataro@users.noreply.github.com>
Date: Sun, 6 Sep 2026 11:30:24 +0900
Subject: [PATCH] imgproc: skip downloading unifont when HarfBuzz is disabled

- Skip downloading and embedding Unifont data when HAVE_HARFBUZZ is OFF
- Note: When HAVE_HARFBUZZ is OFF, Rubik and Unifont binaries will be excluded from the build.
---
 modules/imgproc/CMakeLists.txt | 78 +++++++++++++++++-----------------
 1 file changed, 39 insertions(+), 39 deletions(-)

diff --git a/modules/imgproc/CMakeLists.txt b/modules/imgproc/CMakeLists.txt
index e1b812a39f..d2a3a5f01b 100644
--- a/modules/imgproc/CMakeLists.txt
+++ b/modules/imgproc/CMakeLists.txt
@@ -27,46 +27,46 @@ if(HAVE_IPP)
   endif()
 endif()
 
-set(UNIFONT_MD5 "fb79cf5b4f4c89414f1233f14c2eb273")
-set(UNIFONT_NAME "WenQuanYiMicroHei.ttf.gz")
-set(UNIFONT_COMMIT "cc7d85179d69a704bee209aa37ce8a657f2f8b34")
-set(UNIFONT_URL "https://raw.githubusercontent.com/vpisarev/opencv_3rdparty/${UNIFONT_COMMIT}/")
-
-unset(HAVE_UNIFONT)
-unset(HAVE_UNIFONT CACHE)
-
-if (WITH_UNIFONT)
-    ocv_download(FILENAME ${UNIFONT_NAME}
-                 HASH ${UNIFONT_MD5}
-                 URL
-                   "${OPENCV_UNIFONT_URL}"
-                   "${UNIFONT_URL}"
-                 DESTINATION_DIR "${CMAKE_CURRENT_BINARY_DIR}"
-                 ID UNIFONT
-                 STATUS res
-                 RELATIVE_URL)
-
-    if (res)
-        message(STATUS "Unicode font has been downloaded successfully.")
-        set(HAVE_UNIFONT ON CACHE INTERNAL "")
-    else()
-        message(STATUS "Unicode font download failed. Turning it off.")
-        set(HAVE_UNIFONT OFF CACHE INTERNAL "")
-    endif()
-else()
-    set(HAVE_UNIFONT OFF CACHE INTERNAL "")
-endif()
-
-ocv_blob2hdr("${CMAKE_CURRENT_SOURCE_DIR}/fonts/Rubik.ttf.gz" "${CMAKE_CURRENT_BINARY_DIR}/builtin_font_sans.h" OcvBuiltinFontSans)
-ocv_blob2hdr("${CMAKE_CURRENT_SOURCE_DIR}/fonts/Rubik-Italic.ttf.gz" "${CMAKE_CURRENT_BINARY_DIR}/builtin_font_italic.h" OcvBuiltinFontItalic)
-if (HAVE_UNIFONT)
-    ocv_blob2hdr("${CMAKE_CURRENT_BINARY_DIR}/${UNIFONT_NAME}" "${CMAKE_CURRENT_BINARY_DIR}/builtin_font_uni.h" OcvBuiltinFontUni)
-endif()
-include_directories("${CMAKE_CURRENT_BINARY_DIR}")
-ocv_target_link_libraries(${the_module} LINK_PRIVATE ${ZLIB_LIBRARIES})
-ocv_install_3rdparty_licenses(fonts fonts/Rubik_OFL.txt)
-
 if(HAVE_HARFBUZZ)
+  set(UNIFONT_MD5 "fb79cf5b4f4c89414f1233f14c2eb273")
+  set(UNIFONT_NAME "WenQuanYiMicroHei.ttf.gz")
+  set(UNIFONT_COMMIT "cc7d85179d69a704bee209aa37ce8a657f2f8b34")
+  set(UNIFONT_URL "https://raw.githubusercontent.com/vpisarev/opencv_3rdparty/${UNIFONT_COMMIT}/")
+
+  unset(HAVE_UNIFONT)
+  unset(HAVE_UNIFONT CACHE)
+
+  if (WITH_UNIFONT)
+      ocv_download(FILENAME ${UNIFONT_NAME}
+                   HASH ${UNIFONT_MD5}
+                   URL
+                     "${OPENCV_UNIFONT_URL}"
+                     "${UNIFONT_URL}"
+                   DESTINATION_DIR "${CMAKE_CURRENT_BINARY_DIR}"
+                   ID UNIFONT
+                   STATUS res
+                   RELATIVE_URL)
+
+      if (res)
+          message(STATUS "Unicode font has been downloaded successfully.")
+          set(HAVE_UNIFONT ON CACHE INTERNAL "")
+      else()
+          message(STATUS "Unicode font download failed. Turning it off.")
+          set(HAVE_UNIFONT OFF CACHE INTERNAL "")
+      endif()
+  else()
+      set(HAVE_UNIFONT OFF CACHE INTERNAL "")
+  endif()
+
+  ocv_blob2hdr("${CMAKE_CURRENT_SOURCE_DIR}/fonts/Rubik.ttf.gz" "${CMAKE_CURRENT_BINARY_DIR}/builtin_font_sans.h" OcvBuiltinFontSans)
+  ocv_blob2hdr("${CMAKE_CURRENT_SOURCE_DIR}/fonts/Rubik-Italic.ttf.gz" "${CMAKE_CURRENT_BINARY_DIR}/builtin_font_italic.h" OcvBuiltinFontItalic)
+  if (HAVE_UNIFONT)
+      ocv_blob2hdr("${CMAKE_CURRENT_BINARY_DIR}/${UNIFONT_NAME}" "${CMAKE_CURRENT_BINARY_DIR}/builtin_font_uni.h" OcvBuiltinFontUni)
+  endif()
+  include_directories("${CMAKE_CURRENT_BINARY_DIR}")
+  ocv_target_link_libraries(${the_module} LINK_PRIVATE ${ZLIB_LIBRARIES})
+  ocv_install_3rdparty_licenses(fonts fonts/Rubik_OFL.txt)
+
   ocv_module_include_directories(opencv_imgproc ${HARFBUZZ_INCLUDE_DIR})
   ocv_target_link_libraries(${the_module} LINK_PRIVATE ${HARFBUZZ_LIBRARIES})
   if(HARFBUZZ_IS_BUNDLED)