Font::TTF::Delta (3)

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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.

METHODS

new

Creates a new device table

read

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

out($fh, $style)

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

$d->signature()

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

$d->out_xml($context)

Outputs a delta in

AUTHOR

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

LICENSING

Copyright (c) 1998-2014, International (www.sil.org

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