vg4->font->gaps()
Get number of empty pixel-lines at the top and the bottom of a font.
SYNTAX
void
vg4->font->gaps(const struct VG_Font *fntp, int *top, int *bottom)
FUNCTION PARAMETERS
| fntp | Font, or NULL = default font |
| top | For returning empty pixel-lines at the top |
| bottom | For returning empty pixel-lines at the bottom |
DESCRIPTION
Get number of empty pixel-lines at the top and the bottom of a font.
The distance in pixels between lines of a font
will be split into empty lines at the top and the bottom of each font-character.