From c979365946b2dc2499ede862b6f7da15f9bc0ed1 Mon Sep 17 00:00:00 2001
From: Grigori Goronzy <greg@blackbox>
Date: Mon, 1 Aug 2011 15:51:27 +0200
Subject: Support language hint in the Script Info section

Parse a hint in the form "Language: xx" with xx being an ISO 639-1
language code, and pass it to HarfBuzz. This can be useful to render
scripts with language-specific character variants.
---
 libass/ass_render.c | 2 ++
 1 file changed, 2 insertions(+)

(limited to 'libass/ass_render.c')

diff --git a/libass/ass_render.c b/libass/ass_render.c
index 8d82a74..8d55667 100644
--- a/libass/ass_render.c
+++ b/libass/ass_render.c
@@ -2269,6 +2269,8 @@ ass_start_frame(ASS_Renderer *render_priv, ASS_Track *track,
         render_priv->border_scale = 1.;
 
     ass_shaper_set_kerning(render_priv->shaper, track->Kerning);
+    if (track->Language)
+        ass_shaper_set_language(render_priv->shaper, track->Language);
 
     // PAR correction
     render_priv->font_scale_x = render_priv->settings.aspect /
-- 
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