Text: Link with HarfBuzz; old run_Font_ is a fallback

HarfBuzz will provide proper Unicode text shaping for both simple and complex scripts.

The old `run_Font_` is available for use as a fallback if HarfBuzz is not available due to size or complexity constraints (it's written in C++).

1 files changed, 5 insertions, 0 deletions

diff --git a/CMakeLists.txt b/CMakeLists.txt
index 47cd2442..e6baba76 100644
--- a/CMakeLists.txt
+++ b/CMakeLists.txt
@@ -29,6 +29,7 @@ if (IOS)
 endif ()
 
 # Build configuration.
+option (ENABLE_HARFBUZZ         "Use HarfBuzz to shape text" ON)
 option (ENABLE_IPC              "Use IPC to communicate between running instances" ON)
 option (ENABLE_MPG123           "Use mpg123 for decoding MPEG audio" ON)
 option (ENABLE_X11_SWRENDER     "Use software rendering under X11" OFF)
@@ -308,6 +309,10 @@ if (ENABLE_CUSTOM_FRAME AND MSYS)
 endif ()
 target_link_libraries (app PUBLIC the_Foundation::the_Foundation)
 target_link_libraries (app PUBLIC ${SDL2_LDFLAGS})
+if (ENABLE_HARFBUZZ AND HARFBUZZ_FOUND)
+    target_link_libraries (app PUBLIC harfbuzz)
+    target_compile_definitions (app PUBLIC LAGRANGE_ENABLE_HARFBUZZ=1)
+endif ()
 if (APPLE)
     if (IOS)
         target_link_libraries (app PUBLIC "-framework UIKit")