More vertical
Starting to get there, but not without yet another round of changes.
I think I know wheere to go now.
diff --git a/src/hb-font.h b/src/hb-font.h
index a73b8d1..3c181f0 100644
--- a/src/hb-font.h
+++ b/src/hb-font.h
@@ -275,6 +275,16 @@
hb_codepoint_t glyph,
hb_direction_t direction,
hb_position_t *x, hb_position_t *y);
+void
+hb_font_add_glyph_origin_for_direction (hb_font_t *font,
+ hb_codepoint_t glyph,
+ hb_direction_t direction,
+ hb_position_t *x, hb_position_t *y);
+void
+hb_font_subtract_glyph_origin_for_direction (hb_font_t *font,
+ hb_codepoint_t glyph,
+ hb_direction_t direction,
+ hb_position_t *x, hb_position_t *y);
void
hb_font_get_glyph_kerning_for_direction (hb_font_t *font,
