NAME

Font::TTF::Delta - Opentype Device tables

DESCRIPTION

Each device table corresponds to a set of deltas for a particular point over a range of ppem values.

first: The first ppem value in the range
last: The last ppem value in the range
val: This is an array of deltas corresponding to each ppem in the range between first and last inclusive.
fmt: This is the fmt used (log2 of number bits per value) when the device table was read. It is recalculated on output.

Creates a new device table

Reads a device table from the given IO object at the current location

Outputs a device table to the given IO object at the current location, or just returns the data to be output if $style != 0

Returns a content based identifying string for this delta for compression purposes

Outputs a delta in XML

Martin Hosken <http://scripts.sil.org/FontUtils>.

This module is released under the terms of the Artistic License 2.0. For details, see the full text of the license in the file LICENSE.