Add const to get_*_advances API
Ouch!
diff --git a/src/hb-font.h b/src/hb-font.h
index e13b091..48450e9 100644
--- a/src/hb-font.h
+++ b/src/hb-font.h
@@ -134,7 +134,7 @@
typedef void (*hb_font_get_glyph_advances_func_t) (hb_font_t* font, void* font_data,
unsigned count,
- hb_codepoint_t *first_glyph,
+ const hb_codepoint_t *first_glyph,
unsigned glyph_stride,
hb_position_t *first_advance,
unsigned advance_stride,
@@ -424,14 +424,14 @@
HB_EXTERN void
hb_font_get_glyph_h_advances (hb_font_t* font,
unsigned count,
- hb_codepoint_t *first_glyph,
+ const hb_codepoint_t *first_glyph,
unsigned glyph_stride,
hb_position_t *first_advance,
unsigned advance_stride);
HB_EXTERN void
hb_font_get_glyph_v_advances (hb_font_t* font,
unsigned count,
- hb_codepoint_t *first_glyph,
+ const hb_codepoint_t *first_glyph,
unsigned glyph_stride,
hb_position_t *first_advance,
unsigned advance_stride);
@@ -487,7 +487,7 @@
hb_font_get_glyph_advances_for_direction (hb_font_t* font,
hb_direction_t direction,
unsigned count,
- hb_codepoint_t *first_glyph,
+ const hb_codepoint_t *first_glyph,
unsigned glyph_stride,
hb_position_t *first_advance,
unsigned advance_stride);
