phpman > perldoc > Font::TTF::Delta(3pm)

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.