[ CCode ( cname = "hb_font_get_font_extents_func_t" , instance_pos = 3.9 ) ]
public delegate Bool FontGetFontVExtentsFunc (Font font, void* font_data, FontExtents extents)
This method should retrieve the extents for a font.
| font |
Font to work upon |
| font_data |
|
| extents |
The font extents retrieved |
| user_data |
User data pointer passed by the caller |