Fetches the MathVariants table for the specified font and returns the minimum overlap of connecting glyphs that are required to draw a glyph assembly in the specified direction.
<note>The direction parameter is only used to select between horizontal or vertical directions for the construction.
Even though all Direction values are accepted, only the result of
HB_DIRECTION_IS_HORIZONTAL is considered.</note>
| font |
Font to work upon |
| direction |
direction of the stretching (horizontal or vertical) |
|
requested minimum connector overlap or zero |