From 95808bad2c17a9ef41c58c04faf1b4706fb7d72e Mon Sep 17 00:00:00 2001
From: Behdad Esfahbod <behdad@behdad.org>
Date: Fri, 3 Feb 2017 10:39:40 -0800
Subject: [PATCH] Add new API hb_font_set_face()

For completeness.
---
 src/hb-font.cc | 29 +++++++++++++++++++++++++++++
 src/hb-font.h  |  4 ++++
 2 files changed, 33 insertions(+)

diff --git a/src/hb-font.cc b/src/hb-font.cc
index 826d3e1be..db3ffcce7 100644
--- a/src/hb-font.cc
+++ b/src/hb-font.cc
@@ -1371,6 +1371,35 @@ hb_font_get_parent (hb_font_t *font)
   return font->parent;
 }
 
+/**
+ * hb_font_set_face:
+ * @font: a font.
+ * @face: new face.
+ *
+ * Sets font-face of @font.
+ *
+ * Since: 1.4.3
+ **/
+void
+hb_font_set_face (hb_font_t *font,
+		  hb_face_t *face)
+{
+  if (font->immutable)
+    return;
+
+  if (unlikely (!face))
+    face = hb_face_get_empty ();
+
+  if (font->face == face)
+    return;
+
+  hb_face_t *old = font->face;
+
+  font->face = hb_face_reference (face);
+
+  hb_face_destroy (old);
+}
+
 /**
  * hb_font_get_face:
  * @font: a font.
diff --git a/src/hb-font.h b/src/hb-font.h
index e2e59796f..85fb56d5b 100644
--- a/src/hb-font.h
+++ b/src/hb-font.h
@@ -563,6 +563,10 @@ hb_font_set_parent (hb_font_t *font,
 HB_EXTERN hb_font_t *
 hb_font_get_parent (hb_font_t *font);
 
+HB_EXTERN void
+hb_font_set_face (hb_font_t *font,
+		  hb_face_t *face);
+
 HB_EXTERN hb_face_t *
 hb_font_get_face (hb_font_t *font);