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.

perl v5.34.0                                       2022-06-14                              Font::TTF::Delta(3pm)