Font::TTF::Ttc(3pm) - phpMan

Font::TTF::Ttc(3pm) User Contributed Perl Documentation Font::TTF::Ttc(3pm)

NAME
Font::TTF::Ttc - Truetype Collection class

DESCRIPTION
A TrueType collection is a collection of TrueType fonts in one file in which tables may be
shared between different directories. In order to support this, the TTC introduces the
concept of a table being shared by different TrueType fonts. This begs the question of
what should happen to the ' PARENT' property of a particular table. It is made to point to
the first directory object which refers to it. It is therefore up to the application to
sort out any confusion. Confusion only occurs if shared tables require access to non-
shared tables. This should not happen since the shared tables are dealing with glyph
information only and the private tables are dealing with encoding and glyph
identification. Thus the general direction is from identification to glyph and not the
other way around (at least not without knowledge of the particular context).

INSTANCE VARIABLES
The following instance variables are preceded by a space

fname (P)
Filename for this TrueType Collection

INFILE (P)
The filehandle of this collection

The following instance variable does not start with a space

directs
An array of directories (Font::TTF::Font objects) for each sub-font in the directory

METHODS
Font::TTF::Ttc->open($fname)
Opens and reads the given filename as a TrueType Collection. Reading a collection involves
reading each of the directories which go to make up the collection.

$c->read
Reads a Collection by reading all the directories in the collection

$c->find($direct, $name, $check, $off, $len)
Hunts around to see if a table with the given characteristics of name, checksum, offset
and length has been associated with a directory earlier in the list. Actually on checks
the offset since no two tables can share the same offset in a TrueType font, collection or
otherwise.

$c->DESTROY
Closees any opened files by us

BUGS
No known bugs, but then not ever executed!

AUTHOR
Martin Hosken <http://scripts.sil.org/FontUtils>.

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 v5.24.1 2016-08-28 Font::TTF::Ttc(3pm)

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