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

       Font::TTF::Utils - Utility functions to save fingers

       Lots of useful functions to save my fingers, especially for trivial tables

       The following functions are exported

   ($val, $pos) = TTF_Init_Fields ($str, $pos)
       Given a field description from the "DATA" section, creates an absolute entry in the fields
       associative array for the class

   TTF_Read_Fields($obj, $dat, $fields)
       Given a block of data large enough to account for all the fields in a table, processes the
       data block to convert to the values in the objects instance variables by name based on the
       list in the "DATA" block which has been run through "TTF_Init_Fields"

   TTF_Unpack($fmt, $dat)
       A TrueType types equivalent of Perls "unpack" function. Thus $fmt consists of type
       followed by an optional number of elements to read including *. The type may be one of:

	   c	   BYTE
	   C	   CHAR
	   f	   FIXED
	   F	   F2DOT14
	   l	   LONG
	   L	   ULONG
	   s	   SHORT
	   S	   USHORT
	   v	   Version number (FIXED)

       Note that "FUNIT", "FWORD" and "UFWORD" are not data types but units.

       Returns array of scalar (first element) depending on context

   $dat = TTF_Out_Fields($obj, $fields, $len)
       Given the fields table from "TTF_Init_Fields" writes out the instance variables from the
       object to the filehandle in TTF binary form.

   $dat = TTF_Pack($fmt, @data)
       The TrueType equivalent to Perl's "pack" function. See details of "TTF_Unpack" for how to
       work the $fmt string.

   ($num, $range, $select, $shift) = TTF_bininfo($num)
       Calculates binary search information from a number of elements

       Returns the UTF8 form of the 16 bit string, assumed to be in big endian order, including
       surrogate handling

       Returns the 16-bit form in big endian order of the UTF 8 string, including surrogate
       handling to Unicode.

   XML_hexdump($context, $dat)
       Dumps out the given data as a sequence of <data> blocks each 16 bytes wide

       Converts a binary string of hinting code into a textual representation

   make_circle($f, $cmap, [$dia, $sb, $opts])
       Adds a dotted circle to a font. This function is very configurable. The parameters passed
       in are:

       $f  Font to work with. This is required.

	   A cmap table (not the 'val' sub-element of a cmap) to add the glyph too. Optional.

	   Optional diameter for the main circle. Defaults to 80% em

       $sb Side bearing. The left and right side-bearings are always the same. This value
	   defaults to 10% em.

       There are various options to control all sorts of interesting aspects of the circle

	   Number of dots in the circle

	   Number of curve points to use to create each dot

       uid Unicode reference to store this glyph under in the cmap. Defaults to 0x25CC

	   Postscript name to give the glyph. Defaults to uni25CC.

	   Radius of each dot.

       No known bugs

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

perl v5.16.3				    2012-05-23			      Font::TTF::Utils(3)
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