25 Aug 2016 01:26:48 UTC
- Distribution: Font-TTF
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- INSTANCE VARIABLES
Font::TTF::Loca - the Locations table, which is intimately tied to the glyf table
The location table holds the directory of locations of each glyph within the glyf table. Due to this relationship and the unimportance of the actual locations when it comes to holding glyphs in memory, reading the location table results in the creation of glyph objects for each glyph and stores them here. So if you are looking for glyphs, do not look in the
glyftable, look here instead.
Things get complicated if you try to change the glyph list within the one table. The recommendation is to create another clean location object to replace this table in the font, ensuring that the old table is read first and to transfer or copy glyphs across from the read table to the new table.
The instance variables do not start with a space
An array of glyph objects for each glyph.
A string containing the class name to create for each new glyph. If empty, defaults to Font::TTF::Glyph.
Creates a new location table making sure it has a glyphs array
Reads the location table creating glyph objects (Font::TTF::Glyph) for each glyph allowing their later reading.
Writes the location table out to $fh. Notice that not having read the location table implies that the glyf table has not been read either, so the numbers in the location table are still valid. Let's hope that
head/indexToLocFmthaven't changed otherwise we are in big trouble.
The function uses the OUTLOC location in the glyph calculated when the glyf table was attempted to be output.
No need to output a loca table, this is dynamically generated
Calls func for each glyph in this location table in numerical order:
Martin Hosken http://scripts.sil.org/FontUtils.
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.
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