Font::TTF::Delta

Section: User Contributed Perl Documentation (3)
Updated: 2020-01-30
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.


 

Index

NAME
DESCRIPTION
METHODS
new
read
out($fh, $style)
$d->signature()
$d->out_xml($context)
AUTHOR
LICENSING
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