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3988 Commits

Author SHA1 Message Date
Behdad Esfahbod 26ba4d1e1f Fix segfault with empty buffer in hb_shape_plan_execute() 
Move the empty-buffer check from hb_shape_full() to hb_shape_plan_execute().

Reported by Simon Cozens.
 2015-10-02 07:25:52 +01:00
Behdad Esfahbod 432ffc47a4 1.0.4 2015-09-30 22:51:16 +01:00
Behdad Esfahbod b47159011c Define return_trace() 
Not functional change (expected!).
 2015-09-29 14:57:02 +01:00
Behdad Esfahbod c917965b9e Add missing returns 
Fixes possible invalid read of two bytes.

Reported by Behzad Najjarpour Jabbari, Secunia Research.
 2015-09-29 14:45:35 +01:00
Behdad Esfahbod f3159ba514 Micro-optimize hb_language_from_string() 
As measured / improved by Benson Limketkai.
 2015-09-29 14:34:56 +01:00
Sascha Brawer f2ad935e19 Handle language tags that indicate phonetic IPA transcription 
The BCP-47 registry defines a variant subtag "fonipa" that can be used
in combination with arbitrary other language tags. For example,
"rm-CH-fonipa-sursilv" indicates the Sursilvan dialect of Romansh
as used in Switzerland, transcribed used the International Phonetic
Alphabet.

http://www.iana.org/assignments/language-subtag-registry/language-subtag-registry
 2015-09-29 14:32:06 +01:00
Behdad Esfahbod b8811429b6 Fix Since tags 
Fixes https://github.com/behdad/harfbuzz/issues/103
 2015-09-03 15:53:22 +04:30
Behdad Esfahbod 5d74ff02ab Fix Since: version tags on font and face APIs 
A while back we marked every API as version:1.0.  We should fix them all
to reflect real version they were introduced.  This is a start.

Patch from Nikolay Sivov.
 2015-09-03 14:55:59 +04:30
Behdad Esfahbod 7f54053974 1.0.3 2015-09-01 17:03:50 +01:00
Behdad Esfahbod 5828c45d7a [indic] Add comments to merge_clusters calls 2015-09-01 16:34:12 +01:00
Behdad Esfahbod bdc8215949 [thai] Respect cluster-level > 0 2015-09-01 16:24:54 +01:00
Behdad Esfahbod 5b31fe383e [use] Merge /before/ reordering 2015-09-01 16:24:34 +01:00
Behdad Esfahbod 0d438f89bd [hangul] Merge /before/ reordering 2015-09-01 16:24:13 +01:00
Behdad Esfahbod f883de664f [OT] Merge /before/ reordering 2015-09-01 16:23:40 +01:00
Behdad Esfahbod c403d63200 [myanmar] Use buffer->sort() to sort cluster 
This can possibly produce more granular clusters.
 2015-09-01 16:15:25 +01:00
Behdad Esfahbod e995d33c10 [OT] Merge clusters when reordering marks for normalization 
Fixes https://bugzilla.gnome.org/show_bug.cgi?id=541608
and cluster test.
 2015-09-01 16:13:32 +01:00
Behdad Esfahbod b6d7d161a8 [tests] Add Hebrew test for normalization under cluster-level=1 
Currently fails.
https://bugzilla.gnome.org/show_bug.cgi?id=541608
 2015-09-01 16:12:44 +01:00
Behdad Esfahbod 93099748e3 Minor 2015-09-01 16:11:27 +01:00
Behdad Esfahbod 85846b3de7 Use insertion-sort instead of bubble-sort 
Needed for upcoming merge-clusters fix.
 2015-09-01 15:07:52 +01:00
Behdad Esfahbod fad2674874 Minor 2015-09-01 14:45:46 +01:00
Behdad Esfahbod 23e4fac6de Update git.mk from upstream 2015-08-31 19:41:01 +01:00
Behdad Esfahbod 5783e05f81 [docs] Move docs/reference/ contents into docs/ 2015-08-31 19:18:10 +01:00
Behdad Esfahbod cd5e3a13a6 [docs] Fix out-of-tree build 2015-08-31 19:16:41 +01:00
Behdad Esfahbod 3899795fa3 Merge pull request #131 from simoncozens/docs 
Use gtk-doc to build user's manual as well as reference
 2015-08-31 10:46:01 +01:00
Simon Cozens 01e16e88f5 Combine user / reference information into gtk-doc generated manual. 2015-08-31 10:40:17 +01:00
Simon Cozens 11a07c4729 Correct tag hierarchy, to allow for table-of-contents entries. 2015-08-31 10:39:10 +01:00
Simon Cozens 387d6af428 Missing tag (oops). 2015-08-31 10:31:09 +01:00
Behdad Esfahbod d205965286 [docs] Fix typo 2015-08-31 10:12:05 +01:00
Behdad Esfahbod c424b41705 Merge pull request #129 from simoncozens/docs 
First two chapters. More to follow.
 2015-08-31 09:53:16 +01:00
Behdad Esfahbod 31594b98af [test] Fix test-object 
See previous commit.
 2015-08-30 17:33:04 +01:00
Behdad Esfahbod 326b5ebf57 Poison freed objects such that double-free is detected 
Previously we were setting refcount of freed objects to the inert value, which
was harmful because it caused further destroy()s of the freed object to NOT
call free() and hence hide the bug.  Indeed, after eb0bf3ae66 test-object
was double-free'ing objects and this was never caught on Linux.  It only was
caught as crashing on Mac.

Now we poison refcount upon freeing and check that it's valid whenever reading
it.  Makes test-object fail now.
 2015-08-30 17:29:21 +01:00
Simon Cozens 5470e744dd Current state and skeleton outline 2015-08-29 08:21:18 +01:00
Behdad Esfahbod 6578575cc8 [GPOS] Fix cursive connection with mix of RTL and non-RTL lookups 
See thread "Issue with cursive attachment" started by Khaled.
Turned out fixing this wasn't as bad as I had assumed.  I like the
new code better; we now have a theoretical model of cursive
connections that is easier to reason about.
 2015-08-25 20:29:36 +01:00
Behdad Esfahbod 7368da6724 [test] Add test for cursive-positioning with mixed directions 
Fails now.  Fix coming.  See thread "Issue with cursive attachment"
started by Khaled.  Test fonts were made by modifying test font
from Khaled to add more anchors.
 2015-08-25 20:29:36 +01:00
Simon Cozens f0807654da First two chapters. More to follow. 2015-08-25 19:57:15 +01:00
Behdad Esfahbod 58f2a73fb9 [GPOS] Rewrite cursive attachment slightly differently 
In anticipation for upcoming fix for bug reported by
Khaled in thread "Issue with cursive attachment".
 2015-08-25 18:58:24 +01:00
Behdad Esfahbod fdd1770e00 Add API/cmdline to show glyph extents when serializing buffer 
New API: HB_BUFFER_SERIALIZE_FLAG_GLYPH_EXTENTS

hb-shape now accepts --show-extents.

Patch from Simon Cozens.
 2015-08-24 13:49:55 +01:00
Behdad Esfahbod 2cee5b68a0 [ot-font] Fix short-offset calculation 2015-08-24 13:45:12 +01:00
Behdad Esfahbod b50fcfa829 [ot-font] Implement glyph_extents() for TrueType fonts 
This brings ot-fonts into almost-complete shape and mostly in par with
ft font.
 2015-08-23 14:42:20 +01:00
Behdad Esfahbod 0299b45000 Make BYTE a real type 2015-08-21 12:44:36 +01:00
Behdad Esfahbod ed6962c795 [coretext] Use i32 instead of u32 as well 
Shouldn't cause *any* functional changes, but is more correct.
 2015-08-20 15:39:53 +01:00
Behdad Esfahbod 163c435f18 [uniscribe] Fix negative offsets 
Ouch!
 2015-08-20 15:39:06 +01:00
Behdad Esfahbod 789b89ef71 1.0.2 2015-08-19 13:39:57 +01:00
Behdad Esfahbod 958c268fa3 [coretext] Add TODO item 2015-08-19 13:22:12 +01:00
Behdad Esfahbod 7c5bee09d9 [uniscribe] Fix font scale handling 
By default shape at upem (or ppem), and scale results.
Similar to work done in CoreText backend, but using upem as default.
 2015-08-19 13:20:31 +01:00
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 75504a5048 Allow serializing buffer with output-buffer being used 
Ie, don't call get_positions() if positions are not
requested for serialization.
 2015-08-18 18:47:02 +01:00
Behdad Esfahbod e47b772a56 [ot] Change buffer content type right after we map to glyphs 
Needed for upcoming debug output changes.
 2015-08-18 18:42:47 +01:00
Behdad Esfahbod d104415e4c [Android.mk] Update for SEA removal and USE addition 2015-08-18 17:33:34 +01:00
Behdad Esfahbod ddd6bf12f1 Don't declare dependency on freetype in harfbuzz.pc 
See comments.
 2015-08-18 15:55:09 +01:00