CentOS 7.0 - man page for font::ttf::loca (centos section 3)

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Font::TTF::Loca(3)	       User Contributed Perl Documentation	       Font::TTF::Loca(3)

       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 "glyf" table, 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

       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 "maxp/numGlyphs" and "head/indexToLocFmt" haven'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.

   $t->out_xml($context, $depth)
       No need to output a loca table, this is dynamically generated

       Calls func for each glyph in this location table in numerical order:

	   &func($glyph, $glyph_num)

       None known

       Martin Hosken Martin_Hosken@sil.org. See Font::TTF::Font for copyright and licensing.

perl v5.16.3				    2012-02-23			       Font::TTF::Loca(3)
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