Keith Packard [Thu, 18 Oct 2007 11:13:51 +0000 (04:13 -0700)]
Store font directory mtime in cache file.
Instead of relying on mtime ordering between a directory and its associated
cache file, write the directory mtime into the cache file itself. This makes
cache file checks more reliable across file systems.
This change is made in a way that old programs can use new cache files, but
new programs will need new cache files.
Keith Packard [Mon, 12 Mar 2007 17:32:23 +0000 (10:32 -0700)]
Work around FreeType bug when glyph name buffer is too small.
Recent versions of FreeType do not correctly deal with glyph name buffers
that are too small; work around this by declaring a buffer that can hold any
PS name (127 bytes).
Stephan Kulow [Mon, 12 Mar 2007 17:21:35 +0000 (10:21 -0700)]
Make FcPatternDuplicate copy the binding instead of always using Strong.
I noticed that Qt always uses a different font than fc-match advertises.
Debugging the issue, I found that a call that looks pretty innocent is
changing all weak bindings to strong bindings and as such changes the
semantic of the match: FcPatternDuplicate.
Keith Packard [Sat, 2 Dec 2006 21:57:45 +0000 (13:57 -0800)]
Segfault scanning non-font files. Disallow scan edit of user vars. (#8767)
Missing NULL font check before attempting to edit scanned pattern.
Also, <match target="scan"> rules are now checked to ensure all
edited variables are in the predefined set; otherwise, the resulting
cache files will not be stable.
Kean Johnston [Sat, 2 Dec 2006 21:36:56 +0000 (13:36 -0800)]
Don't use varargs CPP macros in fccache.c. (bug 8733)
src/fccache.c uses a trick to try and use a function name that is also a
macro name. It does this using the varargs args() macro. Replace that
with separate macros for each number of formals.
Keith Packard [Sat, 2 Dec 2006 21:14:23 +0000 (13:14 -0800)]
Fix grep pattern in makealias to work on non-Gnu grep (bug 8368).
grep -l -w '^foo' doesn't work on Solaris. Replace with
grep -l '^foo\>' instead which does. Also, grep -l will
report the filename more than once (!), so add | head -1
to pick just the first one.
Keith Packard [Sat, 2 Dec 2006 21:04:05 +0000 (13:04 -0800)]
Avoid writing uninitialized structure pad bytes to cache files.
The union inside the FcValue structure contains pad bytes. Instead of
copying the whole structure to the cache block, copy only the initialized
fields to avoid writing whichever bytes serve as padding within the
structure.
Keith Packard [Sat, 2 Dec 2006 20:14:49 +0000 (12:14 -0800)]
Warn (and recover) from config file without <cachedir> elements.
When updating from older fontconfig versions, if the config file
is not replaced, it will not contain <cachedir> elements. Lacking these,
fontconfig has no place to store cached font information and cannot operate
reasonably.
Add code to check and see if the loaded configuration has no cache
directories, and if so, warn the user and add both the default system cache
directory and the normal per-user cache directory.
Keith Packard [Sat, 2 Dec 2006 19:47:07 +0000 (11:47 -0800)]
Use explicit platform/nameid order when scanning ttf files.
Instead of accepting whatever order names appear in the font file,
use an explicit ordering for both platform and nameid.
Platforms are high precedence than nameids.
The platform order is:
microsoft, apple unicode, macintosh, (other)
The family nameid order is:
preferred family, font family
The fullname nameid order is:
mac full name, full name
The style nameid order is
preferred subfamily, font subfamily
This will change the names visible to users in various application UIs, but
should not change how existing font names are matched as all names remain
present in the resulting database. The hope is that family names will, in
general, be less ambiguous. Testing here shows that commercial fonts
have longer names now while DejaVu has a shorter family name, and moves more
of the font description to the style name.
Mike FABIAN [Fri, 27 Oct 2006 17:26:50 +0000 (10:26 -0700)]
Do not clean cache files for different architectures
Use filenames to clean cache files for current architecture only. This is
sufficient as cache files live in their own directory where filenames are
under fontconfig control.
FcStrCanonFileName checks whether s[0] == '/', and recurses if not.
This only works on POSIX. On dos, this crashes with a stack overflow.
The patch attached splits this functionality in two functions
(FcStrCanonAbsoluteFilename) and uses GetFullPathName on windows to get an
absolute path. It also fixes a number of other issues. With this patch,
LilyPond actually produces output on Windows.
Keith Packard [Sun, 17 Sep 2006 21:09:12 +0000 (14:09 -0700)]
Build fontconfig.def from header files when needed.
Instead of attempting to track exported symbols manually in
fontconfig.def.in, build it directly from the public fontconfig header files
to ensure it exports the public API.
Keith Packard [Fri, 15 Sep 2006 07:23:40 +0000 (00:23 -0700)]
Reimplement FcConfigAppFontAddDir; function was lost in 2.4.0.
With the cache restructuring of 2.4.0, the ability to add
application-specific font files and directories was accidentally lost.
Reimplement this using by sharing the logic used to load configured font
directories.
Keith Packard [Thu, 14 Sep 2006 01:55:45 +0000 (18:55 -0700)]
Add warning flags to fc-cache build. Clean up warnings in fc-cache.
Looks like the last directory in the project which didn't use $(WARN_CFLAGS)
for some reason. Adding that found the usual collection of char * vs FcChar8
* issues (why, oh why is FcChar8 not just char...)
Keith Packard [Sun, 10 Sep 2006 04:32:14 +0000 (21:32 -0700)]
Split much of the configuration into separate files. Renumber files
Most of the remaining elements in fonts.conf have been moved to separate
files. The numbering scheme for conf.d files has been documented in the
README and the files have been renumbered. Config files have been
validated against the DTD and a few minor errors fixed.
Keith Packard [Sat, 9 Sep 2006 23:41:58 +0000 (16:41 -0700)]
Insert newly created caches into reference data structure.
All caches used in the application must be in the cache reference list so
internal references can be tracked correctly. Failing to have newly created
caches in the list would cause the cache to be deallocated while references
were still present.
Keith Packard [Sat, 9 Sep 2006 17:04:42 +0000 (10:04 -0700)]
Accept locale environment variables that do not contain territory.
Locale environment variables (LC_ALL, LC_CTYPE, LANG) must contain language,
and may contain territory and encoding. Don't accidentally require territory
as that will cause fontconfig to fall back to 'en'.
Keith Packard [Thu, 7 Sep 2006 21:37:52 +0000 (14:37 -0700)]
Replace gnu-specific sed command with simple grep.
makealias was using a gnu-extension to sed addressing, replace that with a
simple (and more robuse) grep command. Also, found a bug in the public
header file that was leaving one symbol out of the process.
David Turner [Thu, 7 Sep 2006 21:29:35 +0000 (14:29 -0700)]
Replace character discovery loop with simpler, faster version.
The existing loop for discovering which characters map to glyphs is ugly and
inefficient. The replacement is functionally identical, but far cleaner and
faster.
Keith Packard [Thu, 7 Sep 2006 00:45:40 +0000 (17:45 -0700)]
Charset hashing depended on uniqueness of leaves.
Charset hashing actually use the value of the leaf pointers, which is
clearly wrong, especially now that charsets are not shared across multiple
font directories.
Keith Packard [Tue, 5 Sep 2006 09:24:01 +0000 (02:24 -0700)]
Eliminate .so PLT entries for local symbols. (thanks to Arjan van de Ven)
Using a simple shell script that processes the public headers, two header
files are constructed that map public symbols to hidden internal aliases
avoiding the assocated PLT entry for referring to a public symbol.
A few mistakes in the FcPrivate/FcPublic annotations were also discovered
through this process
Keith Packard [Tue, 5 Sep 2006 05:26:24 +0000 (22:26 -0700)]
Make cache reference counting more efficient.
Eliminate need to reference cache object once per cached font, instead
just count the number of fonts used from the cache and bump the reference
count once by that amount. I think this makes this refernece technique
efficient enough for use.
Keith Packard [Tue, 5 Sep 2006 05:20:25 +0000 (22:20 -0700)]
Reference count cache objects.
Caches contain patterns and character sets which are reference counted and
visible to applications. Reference count the underlying cache object so that
it stays around until all reference objects are no longer in use.
This is less efficient than just leaving all caches around forever, but does
avoid eternal size increases in case applications ever bother to actually
look for changes in the font configuration.
Keith Packard [Mon, 4 Sep 2006 20:59:58 +0000 (13:59 -0700)]
Leave cache files mapped permanently.
Without reference counting on cache objects, there's no way to know when
an application is finished using objects pulled from the cache. Until some
kinf of cache reference counting can be done, leave all cache objects mapped
for the life of the library (until FcFini is called). To mitigate the cost
of this, ensure that each instance of a cache file is mapped only once.
Keith Packard [Mon, 4 Sep 2006 07:47:07 +0000 (00:47 -0700)]
Hide private functions in shared library. Export functionality for utilities.
Borrowing header stuff written for cairo, fontconfig now exposes in the
shared library only the symbols which are included in the public header
files. All private symbols are hidden using suitable compiler directives.
A few new public functions were required for the fontconfig utility programs
(fc-cat and fc-cache) so those were added, bumping the .so minor version number
in the process.
Keith Packard [Sun, 3 Sep 2006 00:52:12 +0000 (17:52 -0700)]
Add FcMatchScan to resolve Delicious font matching issues (bug #6769)
The Delicious family includes one named Delicious Heavy, a bold variant
which is unfortunately marked as having normal weight. Because the family
name is 'Delicious', fontconfig accidentally selects this font instead of
the normal weight variant. The fix here rewrites the scanned data by running
the scanned pattern through a new substitution sequence tagged with
<match target=scan>; a sample for the Delicious family is included to
demonstrate how it works (and fix Delicious at the same time).
Also added was a new match predicate -- the 'decorative' predicate which is
automatically detected in fonts by searching style names for key decorative
phrases like SmallCaps, Shadow, Embosed and Antiqua. Suggestions for
additional decorative key words are welcome. This should have little effect
on font matching except when two fonts share the same characteristics except
for this value.
Keith Packard [Sat, 2 Sep 2006 21:54:14 +0000 (14:54 -0700)]
Allow font caches to contain newer version numbers
Use the version number inside the cache file to mark backward compatible
changes while continuing to reserve the filename number for incompatible
changes.
Keith Packard [Sat, 2 Sep 2006 21:52:37 +0000 (14:52 -0700)]
Unify directory canonicalization into FcStrAddFilename.
Instead of making filename canonicalization occur in multiple places, it
occurs only in FcStrAddFilename now, as all filenames pass through that
function at one point.
Keith Packard [Sat, 2 Sep 2006 05:08:41 +0000 (22:08 -0700)]
Move Free family names to bottom of respective aliases. (bug 7429)
The FreeSans, FreeSerif and FreeMono fonts cover a large number of
languages, but are of generally poor quality. Moving these after fonts which
cover specific languages but which have higher quality glyphs should improve
font selection.
Keith Packard [Sat, 2 Sep 2006 05:04:52 +0000 (22:04 -0700)]
Document FC_DEBUG values (bug 6393). Document name \ escape syntax.
Limited FC_DEBUG documentation (just shows values and vague idea of what
they're related to). Also document \ escape syntax for font names, including
how family name and values have different escape requirements.
Keith Packard [Sat, 2 Sep 2006 04:30:54 +0000 (21:30 -0700)]
Guess that mac roman names with lots of high bits are actually SJIS.
Many Japanese fonts incorrectly include names tagged as Roman encoding and
English language which are actually Japanese names in the SJIS encoding.
Guess that names with a large number of high bits set are SJIS encoded
Japanese names rather than English names.
Keith Packard [Sat, 2 Sep 2006 04:12:44 +0000 (21:12 -0700)]
Prefer Bitstream Vera to DejaVu families.
DejaVu is a modified version of Bitstream Vera that covers significantly
more languages, but does so with spotty quality, lacking hinting for many
glyphs, especially for the synthesized serif oblique face. Use Bitstream
Vera (where installed).
Keith Packard [Fri, 1 Sep 2006 22:33:27 +0000 (15:33 -0700)]
Fonts matching lang not territory should satisfy sort pattern lang.
A pattern specifying 'Chinese' (:lang=zh) without a territory should be
satisfied by any font supporting any Chinese lang. The code was requiring
that the lang tags match exactly, causing this sort to fail.
Keith Packard [Fri, 1 Sep 2006 19:45:43 +0000 (12:45 -0700)]
Chinese/Macau needs the Hong Kong orthography instead of Taiwan (bug 7884)
From Abel Cheung:
Currently zh_mo.orth includes zh_tw.orth, which means it is assumed Macau
only uses traditional Chinese characters used in Taiwan; however that is
wrong, as a majority of Macau people speaks Cantonese too, and also uses
additional traditional Chinese chars from Hong Kong (there are already some
place names that can't be represented in just chars used in Taiwan). So it
should include zh_hk.orth instead.
Keith Packard [Fri, 1 Sep 2006 09:22:59 +0000 (02:22 -0700)]
Fontset pattern references are relative to fontset, not array.
Within a fontset, the patterns are stored as pointers in an array.
When stored as offsets, the offsets are relative to the fontset object
itself, not the base of the array of pointers.