Fontconfig symbols were hardcoded to be either hidden or exported. This patch
adds configurable symbol visibility. This is useful for projects that want to
do in-tree fontconfig builds and not export any symbols, otherwise they would
conflict with the system library's symbols
Chromium is a project that does in-tree fontconfig builds, and the workaround
currently used is "#define visibility(x) // nothing" [1] and building with
"-fvisibility=hidden".
[1] https://cs.chromium.org/chromium/src/third_party/fontconfig/BUILD.gn?rcl=ce146f1f300988c960e1eecf8a61b238d6fd7f7f&l=62
Trying to address what these configuration files really do.
This change allows to see the short description that mention
the purpose of the content in the config file and obtain
them through API.
This change also encourage one who want to make some UI for
the user-specific configuration management. it is the main
purpose of this change for me though.
Aside from that, I've also made programs translatable. so
we see more dependencies on the build time for gettext,
and itstool to generate PO from xml.
This is for clients to passthru font variation settings. Modeled
similar to FC_FONT_FEATURES. Each element value is for one axis
settings, eg. "abcd=2.3" where 'abcd' is the OpenType Font Variations
axis tag.
Needs docs update.
Like FcFreeTypeQuery(), but adds patterns for all fonts found, including named
instances of variable fonts. If id is -1, then all collection faces are queried.
Returns number of fonts added.
This merges the same face loop that was in fc-query. and fcdir.c.
Needs documentation update.
Take a look at the nano second in the mtime to figure out
if the cache needs to be updated if available.
and do the mutex lock between scanning and writing a cache
to avoid the conflict.
Also we don't need to scan directories again after writing
caches. so getting rid of the related code as well.
https://bugs.freedesktop.org/show_bug.cgi?id=69845
and for reference:
https://bugzilla.redhat.com/show_bug.cgi?id=1236034
just setting FC_MATCH=3 shows a lot of information and hard to keep on track for informamtion
which is really necessary to see. to use this more effectively, added FC_DBG_MATCH_FILTER to
see for what one really want to see. it takes a comma-separated-list of object names.
If you want to see family name only, try like this:
FC_DBG_MATCH_FILTER=family FC_DEBUG=4096 fc-match
debugging output will be filtered out and see family only in the result.
Adds FC_SYMBOL.
This affects fonts having a cmap with platform 3 encoding 0.
We now map their glyphs from the PUA area to the Latin1 area.
See thread "Webdings and other MS symbol fonts don't display"
on the mailing list.
Test before/after with:
$ pango-view --markup --text='<span fallback="false">×</span>' --font=Wingdings
Akira TAGOH
Tom Anderson
Behdad Esfahbod
Khem Raj