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PDF::API2::Basic::TTF::Coverage.3pm
Langue: en
Version: 2005-11-15 (mandriva - 01/05/08)
Section: 3 (Bibliothèques de fonctions)
TITLE
PDF::API2::Basic::TTF::Coverage - Opentype coverage and class definition objectsDESCRIPTION
Coverage tables and class definition objects are virtually identical concepts in OpenType. Their difference comes purely in their storage. Therefore we can say that a coverage table is a class definition in which the class definition for each glyph is the corresponding index in the coverage table. The resulting data structure is that a Coverage table has the following fields:- cover
- A boolean to indicate whether this table is a coverage table (TRUE) or a class definition (FALSE)
- val
- A hash of glyph ids against values (either coverage index or class value)
- fmt
- The storage format used is given here, but is recalculated when the table is written out.
- count
- A count of the elements in a coverage table for use with add. Each subsequent addition is added with the current count and increments the count.
METHODS
new($isCover [, vals])
Creates a new coverage table or class definition table, depending upon the value of $isCover. if $isCover then vals may be a list of glyphs to include in order. If no $isCover, then vals is a hash of glyphs against class values.
read($fh)
Reads the coverage/class table from the given file handle
out($fh, $state)
out($fh, $state)
Writes the coverage/class table to the given file handle. If $state is 1 then the output string is returned rather than being output to a filehandle.
$c->add($glyphid)
$c->add($glyphid)
Adds a glyph id to the coverage table incrementing the count so that each subsequent addition has the next sequential number. Returns the index number of the glyphid added
$c->out_xml($context)
$c->out_xml($context)
Outputs this coverage/class in XML
AUTHOR
Martin Hosken Martin_Hosken@sil.org. See PDF::API2::Basic::TTF::Font for copyright and licensing.POD ERRORS
Hey! The above document had some coding errors, which are explained below:- Around line 41:
- '=item' outside of any '=over'
- Around line 60:
- You forgot a '=back' before '=head1'
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