]text-extents

Function: ]text-extents { [font text] -> W a d L R A dir nil }

file: 10-C-utils.t
package: muf
status: alpha

The ]texit-extents function computes and returns size information on the given text when rendered in the given font by querying the X server.

The font argument must satisfy font?. The text argument must satisfy string?.

The return values are:

W

Width -- total width in pixels.

a

Ascent -- vertical ascent of given string.

d

Descent -- vertical descent of given string.

L

Left bearing of leftmost character.

R

Right bearing of rightmost character.

A

Vertical ascent of given font.

dir

Font direction -- :left-to-right or :right-to-left.

nil

Currently always nil.

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