Update bundled HarfBuzz-NG copy to 1.7.4

This is the latest released version, fixing a large amount
of bugs and adding Unicode 10 support.

[ChangeLog] Bundled HarfBuzz-NG copy updated to 1.7.4

Change-Id: Idc8092dfc4e593d64fff2fd51ff9e1b3d84049a7
Reviewed-by: Lars Knoll <lars.knoll@qt.io>

1 files changed, 28 insertions, 1 deletions

diff --git a/src/3rdparty/harfbuzz-ng/src/hb-font.h b/src/3rdparty/harfbuzz-ng/src/hb-font.h
index 8813286726..540cdcab95 100644
--- a/src/3rdparty/harfbuzz-ng/src/hb-font.h
+++ b/src/3rdparty/harfbuzz-ng/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);
 
@@ -603,12 +607,35 @@ hb_font_get_ppem (hb_font_t *font,
 		  unsigned int *x_ppem,
 		  unsigned int *y_ppem);
 
+/*
+ * Point size per EM.  Used for optical-sizing in CoreText.
+ * A value of zero means "not set".
+ */
+HB_EXTERN void
+hb_font_set_ptem (hb_font_t *font, float ptem);
+
+HB_EXTERN float
+hb_font_get_ptem (hb_font_t *font);
+
+HB_EXTERN void
+hb_font_set_variations (hb_font_t *font,
+			const hb_variation_t *variations,
+			unsigned int variations_length);
+
+HB_EXTERN void
+hb_font_set_var_coords_design (hb_font_t *font,
+			       const float *coords,
+			       unsigned int coords_length);
 
 HB_EXTERN void
 hb_font_set_var_coords_normalized (hb_font_t *font,
-				   int *coords, /* XXX 2.14 normalized */
+				   const int *coords, /* 2.14 normalized */
 				   unsigned int coords_length);
 
+HB_EXTERN const int *
+hb_font_get_var_coords_normalized (hb_font_t *font,
+				   unsigned int *length);
+
 HB_END_DECLS
 
 #endif /* HB_FONT_H */