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230 Commits

Author SHA1 Message Date
Sascha Brawer d34d3ac985 Support CPAL table 2016-06-19 13:17:57 +02:00
Behdad Esfahbod 29393884b9 Annotate blacklisted fonts with their sha1sum 2016-04-26 10:35:47 -07:00
Behdad Esfahbod 1c625dff22 Minor 2016-04-09 12:53:23 -07:00
Behdad Esfahbod 4f3d59a187 Blacklist another set of timesi.ttf and timesbi.ttf 2016-04-08 13:41:20 -07:00
Behdad Esfahbod 94dd0bb7e7 Add blacklist signature for Times New Roman (Bold) Italic on OS X 2016-02-25 11:31:03 +09:00
Behdad Esfahbod e23cf902e9 Blacklist GDEF table of timesi.ttf and timesbi.ttf on Win 7 
See discussion:
https://lists.freedesktop.org/archives/harfbuzz/2016-February/005489.html
 2016-02-25 11:11:15 +09:00
Behdad Esfahbod 7d8d58ac81 [GPOS] Divide position_finish() into two phases, for advances and offsets 
Right now the position_finish_advances() is empty.  To be used for
spacing attachments proposal later.
 2016-02-11 16:34:28 +07:00
Behdad Esfahbod 3e704521f6 [OT] Get list of lookup subtables once and loop through them 
This speeds up shaping the Amiri font by over 15%.

This was primarily needed for my work on OpenType GX, since
we will be collecting only sublookups that are "active" for
current font instance; but it's a nice boost in general as
well.

We might, in the future, collect subtables in the lookup_accel.
That would also allow us to do a per-subtbale set-digest, which
should speed things up some more, specially for ContextChainFormat3
lookups...  Amiri, for example, contains one lookup with 53
subtables!
 2016-01-11 17:38:41 +00:00
Khaled Hosny d7bf9d05c5 [docs] Fix comment syntax 
To lower the number of gtk-doc warnings.
 2015-12-30 17:58:53 +04:00
Behdad Esfahbod 0475ef2f97 [buffer] Add debugging, aka, message, API 
Currently just announces lookup applications.  Message-API *will* change.
hb-shape / hb-view are updated to print-out messages to stder if --debug
is specified.
 2015-12-18 19:29:06 +00:00
Behdad Esfahbod 9ea0aa43ac Don't deserialize positions if buffer has no positions 2015-12-18 17:30:57 +00:00
Behdad Esfahbod 35d18585fc Fix a few docs blocks 2015-11-26 19:30:37 -05:00
Behdad Esfahbod ea512f7108 Use C-style casts instead of compare to 0, to convert hb_bool_t to bool 2015-11-26 19:22:22 -05:00
Behdad Esfahbod 766963adba Merge pull request #114 from ThePhD/vc++-fixes 
Fix all VC++ warnings and errors
 2015-11-24 15:38:43 -06:00
Behdad Esfahbod abadc1717d Try to better handle OOM situations 
Fixes assert fail in https://github.com/behdad/harfbuzz/issues/161
with libharfbuzz-fuzzing.
 2015-11-18 17:52:08 -08:00
Behdad Esfahbod 5337db29af Revert "Don't process lookups if buffer is in error" 
This reverts commit f92bd86cc8.

We don't want to be like cairo, where as soon as there's an error,
nothing works anymore.  So, lets process lookups as long as there's
no new memory needed.  That's also a model that hides fewer bugs.
 2015-11-06 16:18:09 -08:00
Behdad Esfahbod f92bd86cc8 Don't process lookups if buffer is in error 2015-11-05 23:52:29 -08:00
Behdad Esfahbod 77a1a2bc18 Add hb_dispatch_context_t 2015-10-09 12:20:58 -04:00
Behdad Esfahbod b8811429b6 Fix Since tags 
Fixes https://github.com/behdad/harfbuzz/issues/103
 2015-09-03 15:53:22 +04:30
Behdad Esfahbod 902e74a098 Commented-out code to print buffer before each lookup 
To be turned into a useful HB_DEBUG_SHAPE infrastructure...
 2015-08-18 18:55:03 +01:00
Behdad Esfahbod 2c8b3b2e53 [debug] Print lookup index in debug-apply output 2015-08-18 14:36:43 +01:00
ThePhD 5c99cf93d6 Merge branch 'master' into vc++-fixes 2015-08-14 01:02:00 -04:00
Behdad Esfahbod 0f98fe88f4 [ot] Search globally for 'vert' feature if not found in specified script/lang 
Fixes https://github.com/behdad/harfbuzz/issues/63
 2015-07-23 11:52:11 +01:00
Behdad Esfahbod d78463c801 Minor debug output fix 2015-07-23 10:11:35 +01:00
ThePhD 8e545d5961 Fix all VC++ warnings and errors in the current commit's builds. 2015-06-22 22:29:04 -04:00
Sascha Brawer 01c3a88543 Fix "Since:" tags 
Based on data from http://upstream-tracker.org/versions/harfbuzz.html
Resolves #103
 2015-06-01 13:25:27 +02:00
Behdad Esfahbod f47cf1f12d Minor 2015-02-25 15:43:33 -08:00
Behdad Esfahbod 640b66c634 [layout] If lookup has only one subtable, move the forward loop down to subtable 
I was hoping to see a nice speedup, but it resulted in a very minor one.
 2015-02-25 15:43:33 -08:00
Behdad Esfahbod e2f50f2a7e [layout] Add apply_forward / apply_backward 2015-02-25 15:43:32 -08:00
Behdad Esfahbod 1d4a328472 [layout] Remove unneeded return value from apply() 2015-02-25 15:43:32 -08:00
Behdad Esfahbod bd047d3b7f [layout] Minor 2015-02-25 15:43:31 -08:00
Behdad Esfahbod b9d3f60520 [layout] Minor 2015-02-25 15:43:31 -08:00
Behdad Esfahbod 241eac9559 Hide internals of lookup accelerators 2015-02-25 15:43:25 -08:00
Behdad Esfahbod 395b35903e Avoid accessing layout tables at face destruction 
"Fixes" https://bugs.freedesktop.org/show_bug.cgi?id=86300

Based on discussion someone else who had a similar issue, most probably
the user is releasing FT_Face before destructing hb_face_t / hb_font_t.
While that's a client bug, and while we can (and should) use FreeType
refcounting to help avoid that, it happens that we were accessing
the table when we didn't really have to.  Avoid that.
 2014-12-28 16:03:26 -08:00
Behdad Esfahbod 911ca38645 Add back API removed recently 
Add hb_ot_layout_language_get_required_feature_index() again, which
is used in Pango.  This was removed in
da13293798 in favor of
hb_ot_layout_language_get_required_feature().

API changes:

  - Added hb_ot_layout_language_get_required_feature_index back.
 2014-06-24 10:20:36 -06:00
Jonathan Kew da13293798 Rework handling of requiredFeature to solve problem with rlig in arial.ttf from winxp 
https://bugzilla.mozilla.org/show_bug.cgi?id=986802
Fixes https://github.com/behdad/harfbuzz/pull/39

API Change:

-hb_ot_layout_language_get_required_feature_index
+hb_ot_layout_language_get_required_feature

New API takes an extra pointer argument.  Pass NULL in to get
behavior of previous API.

Reworked by behdad
 2014-06-19 16:33:48 -04:00
Behdad Esfahbod 6ffc007b61 [otlayout] Optimize inplace 
See thread started by Jonathan with subject "an optimization for complex
fonts".
 2013-10-28 19:26:02 +01:00
Behdad Esfahbod ac8cd51191 Refactor 2013-10-18 19:33:09 +02:00
Behdad Esfahbod 49901862e3 [otlayout] Guard against use of ReverseChain through Context 2013-10-17 19:48:51 +02:00
Behdad Esfahbod 4e6e53db5d [otlayout] "Minor" 2013-10-14 13:06:36 +02:00
Behdad Esfahbod 27674b4bb3 [OTLayout] Protect against out-of-range lookup indices 
Filter them out when compiling map.
 2013-10-03 14:54:50 -04:00
Behdad Esfahbod 6c48f20eea [otlayout] Add structs for JSTF table 2013-09-09 15:43:10 -04:00
Behdad Esfahbod 5f85c80a07 [OT] Collect requiredFeature only if features are not provided 
As per Werner's report on the list.
 2013-06-26 20:14:18 -04:00
Bradley Grainger 89312b7417 Destroy lookups before blobs. 
'layout->gsub' may depend on data owned by 'layout->gsub_blob', so it must
be deinitialized before the blob is destroyed.
 2013-06-21 15:02:18 -07:00
Behdad Esfahbod 9d9e72e94e [OTLayout] Use is_inplace() when flipping buffers 2013-05-04 16:04:04 -04:00
Behdad Esfahbod 45f3d980c9 [OTLayout] Merge / templateize apply_string() 2013-05-04 16:04:04 -04:00
Behdad Esfahbod 780cd930a9 [OTLayout] Minor 2013-05-04 16:04:04 -04:00
Behdad Esfahbod bac1dd6a0f [OTLayout] Refactor a bit more 2013-05-04 16:04:04 -04:00
Behdad Esfahbod d2c96819de Move code around 2013-05-04 16:04:04 -04:00
Behdad Esfahbod 45fd9424c7 [OTLayout] Add hb_ot_layout_lookup_accelerator_t 2013-05-04 16:04:03 -04:00