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acorn2sfd
=========
Converter from Acorn RISC/OS fonts ::
acorn2sfd [-version] [-help] {acorndir ...}
*acorn2sfd* will take several Acorn RISC/OS font directories and convert them
into :doc:`FontForge </index>`'s sfd files.
An Acorn RISC/OS font directory should contain two or three files, one named
``Outlines*`` and one named ``Intmetric?`` (the ``Intmetrics`` file may be
omitted, in which case the advance widths will not be known). *acorn2sfd* will
read both files and generate an sfd file from them (which
:doc:`fontforge </index>` can turn into TrueType or PostScript).
If the ``Outlines`` file ends in a digit (``Outlines0``) then a third file named
``Base<digit>*`` will be searched for in the directory (if not found there then
in ``<acorndir>/../Encodings``), and if found encoding information will be read
from it. If not found then the font will be assumed to be an initial subset of
Unicode.
.. program:: acorn2sfd
.. option:: -includestrokes
*acorn2sfd* normally throws out the secondary stroked
version of the character, specifying this option will include it in the sfd file
(you may then want to invoke FontForge's Expand Stroke command on it).
.. option:: help
will provide a mini description and will list the available options.
.. option:: usage
will list the available options.
.. option:: version
will display the current version of *acorn2sfd* (a six digit string
containing the date stamp of the source files).
Bugs
----
* Acorn fonts use a different fill rule than either PostScript or TrueType. You
should run :menuselection:`Element --> Correct Direction` on the sfd file after
converting it.
* Most Acorn fonts I've seen on the web are zipped up with a non-standard zip.
Don't expect *acorn2sfd* to be able to unzip them.
* Acorn hinting data are lost.
See Also
--------
:doc:`FontForge </index>`
`Acorn Font Documentation <http://www.poppyfields.net/acorn/tech/file.shtml>`_
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