Font::TTF::Delta
Section: User Contributed Perl Documentation (3)
Updated: 2021-01-27
Page Index
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
IO object at the current location
out($fh, $style)
Outputs a device table to the given
IO 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
XML
AUTHOR
Martin Hosken <
http://scripts.sil.org/FontUtils>.
LICENSING
Copyright (c) 1998-2016,
SIL International (
http://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 LICENSE.