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font::ttf::ttc(3) [centos man page]

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

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

perl v5.16.3							    2011-10-13							 Font::TTF::Ttc(3)

Check Out this Related Man Page

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

NAME

       Font::TTF::Loca - the Locations table, which is intimately tied to the glyf table

DESCRIPTION

       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, don't 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.

INSTANCE VARIABLES

       The instance variables do not start with a space

       glyphs
	   An array of glyph objects for each glyph.

       glyphtype
	   A string containing the class name to create for each new glyph. If empty, defaults to Font::TTF::Glyph.

METHODS

   $t->new
       Creates a new location table making sure it has a glyphs array

   $t->read
       Reads the location table creating glyph objects (Font::TTF::Glyph) for each glyph allowing their later reading.

   $t->out($fh)
       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

   $t->glyphs_do(&func)
       Calls func for each glyph in this location table in numerical order:

	   &func($glyph, $glyph_num)

BUGS

       None known

AUTHOR

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

perl v5.10.1							    2009-01-21						      Font::TTF::Loca(3pm)
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