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* docs/PROBLEMS: Mention that some PS based fonts can't be

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handled correctly by FreeType.
This commit is contained in:
Werner Lemberg 2007-07-04 04:53:15 +00:00
parent 3b0e500601
commit 986ea4b2cb
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ChangeLog
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@ -1,3 +1,8 @@
2007-07-04 Werner Lemberg <wl@gnu.org>
* docs/PROBLEMS: Mention that some PS based fonts can't be
handled correctly by FreeType.
2007-07-03 Werner Lemberg <wl@gnu.org>
* src/autofit/aflatin.c (af_latin_metrics_init_blues): Initialize

25
docs/PROBLEMS
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@ -4,6 +4,29 @@ additions or other improvements to this file are welcome.
----------------------------------------------------------------------
Running Problems
================
* Some Type 1, Multiple Masters, and CID-keyed PostScript fonts aren't
handled correctly.
-----
Of course, there might be bugs in FreeType, but some fonts based on
the PostScript format can't behandled indeed. The reason is that
FreeType doesn't contain a full PostScript interpreter but applies
pattern matching instead. In case a font doesn't follow the standard
structure of the given font format, FreeType fails. A typical example
is Adobe's `Optima' font family which contains extra code to switch
between low and high resolution versions of the glyphs.
It might be possible to patch FreeType in some situations, though.
Please report failing fonts so that we investigate the problem and set
up a list of such problematic fonts.
----------------------------------------------------------------------
Compilation Problems
====================
@ -50,3 +73,5 @@ or newer. If this isn't feasible, apply the following patch.
----------------------------------------------------------------------
--- end of PROBLEMS ---