Fetches the (X,Y) coordinates of the origin for a glyph in the specified font.
Calls the appropriate direction-specific variant (horizontal or vertical) depending on the value of direction.
#hb_font_t to work upon
The glyph ID to query
The direction of the text segment
The X coordinate retrieved for the origin
The Y coordinate retrieved for the origin
Fetches the (X,Y) coordinates of the origin for a glyph in the specified font.
Calls the appropriate direction-specific variant (horizontal or vertical) depending on the value of direction.