| 7c6937e7c7b62602fef10ac4b2e164d0c67c932b |
|
20-Nov-2017 |
ebraminio <ebrahim@gnu.org> |
Move all references of old url to the new address (#622)
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 826a1daf2f2075459ff25a20ed8abec030d95c52 |
|
15-Oct-2017 |
Behdad Esfahbod <behdad@behdad.org> |
Move set-digests into their own header file
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 81e2b9b8a959cb7d7503f58fca70761238697fc1 |
|
15-Oct-2017 |
Behdad Esfahbod <behdad@behdad.org> |
Never skip over CGJ
We might want to tweak this some more. For now, never skipping over
it is better behavior than always skipping.
Part of https://github.com/behdad/harfbuzz/issues/554
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| b6fe0ab636ffac0a246e160b3508cc4841cb1823 |
|
04-Oct-2017 |
Behdad Esfahbod <behdad@behdad.org> |
Add info_cc() convenience macro
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 1c17c2bde5bdf74a652b78d71b64e3aaa75ec43d |
|
12-Aug-2017 |
Behdad Esfahbod <behdad@behdad.org> |
[unsafe-to-break] Copy flag to all glyphs in a cluster
Makes consumption easier.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 06cfe3f7369684fc05fa16da7f6778350f8bcba5 |
|
17-May-2017 |
Khaled Hosny <khaledhosny@eglug.org> |
Do not skip TAG characters in glyph substitution (#487)
Hide them like Mongolian Free Variation Selectors instead.
Fixes https://github.com/behdad/harfbuzz/issues/463
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 466b3e58bdc64229dab08c6e0e0079c789540370 |
|
04-Feb-2017 |
Behdad Esfahbod <behdad@behdad.org> |
Shuffle things around a bit
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 55d42fd667b9c34a1109bb850bf2ea7322c01040 |
|
20-Jan-2017 |
Behdad Esfahbod <behdad@behdad.org> |
Start adding hb-ot-var.h and implementation
Supports enumerating variation axes, normalizing values, etc.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 1f810daf1640f279c2f7aad8c312664cf2293987 |
|
10-Jan-2017 |
Behdad Esfahbod <behdad@behdad.org> |
Port math table to hb_lazy_table_loader_t
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 86106c7528d9bff8de6bc3e1487be780c31ea4fd |
|
26-Sep-2016 |
Behdad Esfahbod <behdad@behdad.org> |
[MATH] Rename all API to hb_ot_math_*
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 51da7a1cd672aada84bdbb3a2a8dd77ab1134249 |
|
25-Aug-2016 |
Frédéric Wang <fred.wang@free.fr> |
MATH table: Add API to access math variants.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 5fbcb992bd7887f95b1cf2ca045c9226de8148fc |
|
25-Aug-2016 |
Frédéric Wang <fred.wang@free.fr> |
MATH Table: Add API to check availability of math data.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| b20305022a8235b19e6b640bc62651854e1336f1 |
|
27-Apr-2016 |
Behdad Esfahbod <behdad@behdad.org> |
Do NOT ignore Mongolian Free Variation Selectors during matching
Fixes https://github.com/behdad/harfbuzz/issues/234
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 21ab5501f5f5267d20cf23256866dd9d82a667ef |
|
27-Apr-2016 |
Behdad Esfahbod <behdad@behdad.org> |
Move ZWJ/ZWNJ bits to top byte of unicode_props()
To make room to remember Mongolian Free Variation Selectors.
Part of fixing https://github.com/behdad/harfbuzz/issues/234
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 815bdd7700155efcffa9a4c3ca5bfc31833d0586 |
|
22-Feb-2016 |
Behdad Esfahbod <behdad@behdad.org> |
In cluster-level=0, group ZWJ/ZWNJ with previous cluster
This better emulates Unicode grapheme clusters.
Note that Uniscribe does NOT do this, but should be harmless with most clients,
and improve fallback with clients that use HarfBuzz cluster as unit of fallback.
Fixes https://github.com/behdad/harfbuzz/issues/217
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| aae2847099cbf05bf0668fbe526fc58736837c1b |
|
18-Feb-2016 |
Behdad Esfahbod <behdad@behdad.org> |
Emoji skin tone modifiers need to be treated as combining marks
Fixes https://github.com/behdad/harfbuzz/issues/169
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 7d8d58ac81fe267e29ea68cdc6f4a4fa8c22d40f |
|
11-Feb-2016 |
Behdad Esfahbod <behdad@behdad.org> |
[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.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 2ab0de9fbd03231b647345b01e31b136e2e00978 |
|
17-Dec-2015 |
Behdad Esfahbod <behdad@behdad.org> |
[use] Fix halant detection
Before, we were just checking the use_category(). This detects as
halant a ligature that had the halant as first glyph (as seen in
NotoSansBalinese.) Change that to use the is_ligated() glyph prop
bit. The font is forming this ligature in ccmp, which is before
the rphf / pref tests. So we need to make sure the "ligated" bit
survives those tests. Since those only check the "substituted" bit,
we now only clear that bit for them and "ligated" survives.
Fixes https://github.com/behdad/harfbuzz/issues/180
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 167c3271778cd1a8c4433b9d2230901ce17c099e |
|
09-Nov-2015 |
Chun-wei Fan <fanchunwei@src.gnome.org> |
Fix build on MSVC >= 2012
Use the DEFINE_ENUM_FLAG_OPERATORS macro in winnt.h on Visual Studio,
which defines the bitwise operators for the enumerations that we want to
mark as hb_mark_as_flags_t, which will take care of the situation on newer
Visual Studio (>= 2012), where the build breaks with C2057 errors as the
underlying types of the enumerations is not clear to the compiler when we
do a bitwise op within the declaration of the enumerations themselves.
Also disable the C4200 (nonstandard extension used : zero-sized array in
struct/union) and C4800 ('type' : forcing value to bool 'true' or 'false'
(performance warning)) warnings as the C4200 is the intended scenario and
C4800 is harmless but is so far an unavoidable side effect of using
DEFINE_ENUM_FLAG_OPERATORS.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| e3e4bb011ae1a2f1ba05e7ea450595b185304bec |
|
05-Nov-2015 |
Behdad Esfahbod <behdad@behdad.org> |
Don't do fractions if buffer is ASCII-only
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 6986208ba3b395534f4c7bcfa51df6bf9038f717 |
|
05-Nov-2015 |
Behdad Esfahbod <behdad@behdad.org> |
Optimize runs without Default_Ignorable's
Now that we have a buffer-wide scratch flags facility, use it to
optimize away a few passes.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| aa7044de0ceacd71cab19212d266c3a66c03b41e |
|
05-Nov-2015 |
Behdad Esfahbod <behdad@behdad.org> |
Generalize flags types
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 7793aad946e09b53523b30d57de85abd1d15f8b6 |
|
04-Nov-2015 |
Behdad Esfahbod <behdad@behdad.org> |
Normalize various spaces to space if font doesn't support
This resurrects the space fallback feature, after I disabled
the compatibility decomposition. Now I can release HarfBuzz
again without breaking Pango!
It also remembers which space character it was, such that later
on we can approximate the width of this particular space
character. That part is not implemented yet.
We normalize all GC=Zs chars except for U+1680 OGHA SPACE MARK,
which is better left alone.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 9ac4b9656dd78ffd129bc3d560a92e2692bc3058 |
|
04-Nov-2015 |
Behdad Esfahbod <behdad@behdad.org> |
Add Unicode space category
Unused so far.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 8249ec3f86510fd24462ce71ed64a6978f0ade17 |
|
04-Nov-2015 |
Behdad Esfahbod <behdad@behdad.org> |
Make top-byte of unicode_props available to be used differently per-GC
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| cc5d3a33882b52f906ee4346707700f5e846d2ac |
|
04-Nov-2015 |
Behdad Esfahbod <behdad@behdad.org> |
Towards using top-byte of unicode-props for more things
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 2f38dde5a1ea5459789fabaee661cae9235d204e |
|
04-Nov-2015 |
Behdad Esfahbod <behdad@behdad.org> |
Add _hb_glyph_info_is_unicode_mark()
Unused right now.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 90d75f93bb85aeb627c4e6bb9e4cbd75895c99f7 |
|
03-Nov-2015 |
Behdad Esfahbod <behdad@behdad.org> |
Tighten ccc-setting a bit and document it
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| ed2024ef93ac3af214082016e5aa8c14db9d7515 |
|
03-Nov-2015 |
Behdad Esfahbod <behdad@behdad.org> |
[perf] Micro-optimize
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 76a5310a830c7ae12037b768c5043bef0ff733a0 |
|
03-Nov-2015 |
Behdad Esfahbod <behdad@behdad.org> |
Remove irrelevant comment
I tried moving the is_default_ignorable() function to an INTERNAL
function. That made the binary size grow by 5k AND things got a
tad bit slower!
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 9382c471eabce8d36d3a73c97499ab60af422716 |
|
03-Nov-2015 |
Behdad Esfahbod <behdad@behdad.org> |
Combine unicode_props0/1 into a uint16
Slightly faster. In prep for more changes.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 71277185454482cff9b0c10b85c416eb4d6e0ed9 |
|
03-Nov-2015 |
Behdad Esfahbod <behdad@behdad.org> |
[perf] Only call combining_class() for marks
Saves some time. Also preparing for reusing the ccc byte for other stuff.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| df6cb84449a473d540821e41fb5007b59644780f |
|
26-Jul-2015 |
Behdad Esfahbod <behdad@behdad.org> |
Merge branch 'use'
|
| 0f98fe88f42471eb8fb28d08d45eca9cd8303f7a |
|
23-Jul-2015 |
Behdad Esfahbod <behdad@behdad.org> |
[ot] Search globally for 'vert' feature if not found in specified script/lang
Fixes https://github.com/behdad/harfbuzz/issues/63
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 4ba796b26ee62de0d2830a550f3aa3b4aecf6f59 |
|
22-Jul-2015 |
Behdad Esfahbod <behdad@behdad.org> |
Refactor _hb_glyph_info_is_default_ignorable()
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| ac596511a8c9eeaeb455ca16b5b9c5f1b9923b3a |
|
22-Jul-2015 |
Behdad Esfahbod <behdad@behdad.org> |
Add foreach_syllable
Use it in USE.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 595936ec25e9c0924851bd1aa1af5eed3723b54f |
|
21-Jul-2015 |
Behdad Esfahbod <behdad@behdad.org> |
[USE] Hook of rphf and pref custom processing
Still no reordering.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 241eac9559465fa79f396570af4e87f455b7e9d5 |
|
29-Jan-2015 |
Behdad Esfahbod <behdad@behdad.org> |
Hide internals of lookup accelerators
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 395b35903e052aecc97d0807e4f813c64c0d2b0b |
|
29-Dec-2014 |
Behdad Esfahbod <behdad@behdad.org> |
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.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 8f3eebf7ee4005f9a8efaafcb7f4058cc0a3756e |
|
02-Aug-2014 |
Behdad Esfahbod <behdad@behdad.org> |
Make sure gsubgpos buffer vars are available during fallback_position
Add buffer var allocation asserts to a few key places.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 7e8c38954649c0bf2e6051d84ca08dce090ec169 |
|
25-Jul-2014 |
Behdad Esfahbod <behdad@behdad.org> |
Minor warnings fixes
Some systems insist on -Wmissing-field-initializers. We have too many,
by design. Fix a few easy ones.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 7627100f428ac0ec8509d961d368d2d25d8f0b6e |
|
11-Jul-2014 |
Behdad Esfahbod <behdad@behdad.org> |
Mark unsigned integer literals with the u suffix
Simplifies hb_in_range() calls as the type can be inferred.
The rest is obsessiveness, I admit.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 04dc52fa15f5b7f9eb5f448ea43e7ef1b2269e88 |
|
06-Jun-2014 |
Behdad Esfahbod <behdad@behdad.org> |
[indic] Recover OT_H undergone ligation and multiplication
Sometimes font designers form half/pref/etc consonant forms
unconditionally and then undo that conditionally. Try to
recover the OT_H classification in those cases.
No test number changes expected.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 832a6f99b34f334b1e82b8e3a7ad137e823d203c |
|
04-Jun-2014 |
Behdad Esfahbod <behdad@behdad.org> |
[indic] Don't reorder reph/pref if ligature was expanded
Normally if you want to, say, conditionally prevent a 'pref', you
would use blocking contextual matching. Some designers instead
form the 'pref' form, then undo it in context. To detect that
we now also remember glyphs that went through MultipleSubst.
In the only place that this is used, Uniscribe seems to only care
about the "last" transformation between Ligature and Multiple
substitions. Ie. if you ligate, expand, and ligate again, it
moves the pref, but if you ligate and expand it doesn't. That's
why we clear the MULTIPLIED bit when setting LIGATED.
Micro-test added. Test: U+0D2F,0D4D,0D30 with font from:
[1]
https://code.google.com/a/google.com/p/noto-alpha/issues/detail?id=186#c29
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 6faff8e4132197ba06f0e685b82efe35b546cf64 |
|
28-Apr-2014 |
Behdad Esfahbod <behdad@behdad.org> |
Add static storage classifier to inline functions
Before we were just relying on the compiler inlining them and not
leaving a trace in our public API. Try to fix. Hopefully not
breaking anyone's build.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 2a8c49ade07a0bd4f2c9543f4bd129da82083ea0 |
|
12-Dec-2013 |
Behdad Esfahbod <behdad@behdad.org> |
Remove unnecessary includes
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 0f3fe37fccfb540437adf13dd580f2c5164a0b1f |
|
18-Oct-2013 |
Behdad Esfahbod <behdad@behdad.org> |
Comment
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 857027341423f15fd6084c7563cc355b06e7cbdd |
|
18-Oct-2013 |
Behdad Esfahbod <behdad@behdad.org> |
[otlayout] Add _hb_glyph_info_substituted()
Currently unused.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| a1f7b2856184959e965c9c2b80363f9f46d486a7 |
|
18-Oct-2013 |
Behdad Esfahbod <behdad@behdad.org> |
[otlayout] Switch over from old is_a_ligature() to IS_LIGATED
Impact should be minimal and positive.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 09675a8115b9d77261c33940401aa919cede8662 |
|
18-Oct-2013 |
Behdad Esfahbod <behdad@behdad.org> |
[otlayout] Add HB_OT_LAYOUT_GLYPH_PROPS_LIGATED
Currently unused.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 05ad6b50ac0a1b9a8da10d2ee2238068b7811e7d |
|
18-Oct-2013 |
Behdad Esfahbod <behdad@behdad.org> |
[otlayout] Add HB_OT_LAYOUT_GLYPH_PROPS_SUBSTITUTED
Currently unused.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 101303dbf7cf15d044bf2518f14b3aec65970fea |
|
18-Oct-2013 |
Behdad Esfahbod <behdad@behdad.org> |
[otlayout] More shuffling around
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 91689de2603e4151e2a2d3a3852c61667f0c6264 |
|
18-Oct-2013 |
Behdad Esfahbod <behdad@behdad.org> |
[otlayout] Add _hb_glyph_info_set_glyph_props()
No functional change.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 3ddf892b5328b74afb6e7d9da727d8771ca5d288 |
|
18-Oct-2013 |
Behdad Esfahbod <behdad@behdad.org> |
[otlayout] Renaming
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 2e96d2c6ee34142375373be07217c9953e7822cc |
|
17-Oct-2013 |
Behdad Esfahbod <behdad@behdad.org> |
[otlayout] More shuffling
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 469524692bd0a258b28e63294c984e677a9c2477 |
|
17-Oct-2013 |
Behdad Esfahbod <behdad@behdad.org> |
[otlayout] Code shuffling
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 11fb16cb849285a178d9e80991b1d60a960326ee |
|
17-Oct-2013 |
Behdad Esfahbod <behdad@behdad.org> |
Use unsigned enums for mask types
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 03058c3d1e8c18858c1e0b0c738ce9d299f2787a |
|
17-Oct-2013 |
Behdad Esfahbod <behdad@behdad.org> |
[otlayout] Remove two unused HB_OT_LAYOUT_GLYPH_PROPS_* values
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 941b6992042e7b73b3a2aab1448383adf33bef28 |
|
17-Oct-2013 |
Behdad Esfahbod <behdad@behdad.org> |
[otlayout] Remove unused HB_OT_LAYOUT_GLYPH_PROPS_UNCLASSIFIED
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| c52ddab72e025d1bee8274c8f3416208b12f68f1 |
|
16-Oct-2013 |
Behdad Esfahbod <behdad@behdad.org> |
[arabic] Make ZWJ prevent ligatures instead of facilitating it
Unicode 6.2.0 Section 16.2 / Figure 16.3 says:
"For backward compatibility, between Arabic characters a ZWJ acts just
like the sequence <ZWJ, ZWNJ, ZWJ>, preventing a ligature from forming
instead of requesting the use of a ligature that would not normally be
used. As a result, there is no plain text mechanism for requesting the
use of a ligature in Arabic text."
As such, we flip internal zwj to zwnj flags for GSUB matching, which
means it will block ligation in all features, unless the font
explicitly matches U+200D glyph. This doesn't affect joining behavior.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 1a31f9f820c4538015ddaf4ca2b790649c5997ed |
|
16-Oct-2013 |
Behdad Esfahbod <behdad@behdad.org> |
[otlayout] Minor
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 7e08f1258da229dfaf7e1c4b5c41e5bb83906cb0 |
|
27-May-2013 |
Behdad Esfahbod <behdad@behdad.org> |
Don't zero advance of mark-non-mark ligatures
If there's a mark ligating forward with non-mark, they were
inheriting the GC of the mark and later get advance-zeroed.
Don't do that if there's any non-mark glyph in the ligature.
Sample test: U+1780,U+17D2,U+179F with Kh-Metal-Chrieng.ttf
Also:
Bug 58922 - Issue with mark advance zeroing in generic shaper
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| bac1dd6a0ff4d4fae4254506d38ae662b7e9dda7 |
|
03-May-2013 |
Behdad Esfahbod <behdad@behdad.org> |
[OTLayout] Refactor a bit more
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 45fd9424c723f115ca98995b8f8a25185a6fc71d |
|
03-May-2013 |
Behdad Esfahbod <behdad@behdad.org> |
[OTLayout] Add hb_ot_layout_lookup_accelerator_t
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| a8cf7b43fa795150ae3d42d64424bb6e0373d0b2 |
|
19-Mar-2013 |
Behdad Esfahbod <behdad@behdad.org> |
[Indic] Futher adjust ZWJ handling in Indic-like shapers
After the Ngapi hackfest work, we were assuming that fonts
won't use presentation features to choose specific forms
(eg. conjuncts). As such, we were using auto-joiner behavior
for such features. It proved to be troublesome as many fonts
used presentation forms ('pres') for example to form conjuncts,
which need to be disabled when a ZWJ is inserted.
Two examples:
U+0D2F,U+200D,U+0D4D,U+0D2F with kartika.ttf
U+0995,U+09CD,U+200D,U+09B7 with vrinda.ttf
What we do now is to never do magic to ZWJ during GSUB's main input
match for Indic-style shapers. Note that backtrack/lookahead are still
matched liberally, as is GPOS. This seems to be an acceptable
compromise.
As to the bug that initially started this work, that one needs to
be fixed differently:
Bug 58714 - Kannada u+0cb0 u+200d u+0ccd u+0c95 u+0cbe does not
provide same results as Windows8
https://bugs.freedesktop.org/show_bug.cgi?id=58714
New numbers:
BENGALI: 353689 out of 354188 tests passed. 499 failed (0.140886%)
DEVANAGARI: 707305 out of 707394 tests passed. 89 failed (0.0125814%)
GUJARATI: 366349 out of 366457 tests passed. 108 failed (0.0294714%)
GURMUKHI: 60706 out of 60747 tests passed. 41 failed (0.067493%)
KANNADA: 951030 out of 951913 tests passed. 883 failed (0.0927606%)
KHMER: 299070 out of 299124 tests passed. 54 failed (0.0180527%)
LAO: 53611 out of 53644 tests passed. 33 failed (0.0615167%)
MALAYALAM: 1048102 out of 1048334 tests passed. 232 failed (0.0221304%)
ORIYA: 42320 out of 42329 tests passed. 9 failed (0.021262%)
SINHALA: 271666 out of 271847 tests passed. 181 failed (0.0665816%)
TAMIL: 1091753 out of 1091754 tests passed. 1 failed (9.15957e-05%)
TELUGU: 970555 out of 970573 tests passed. 18 failed (0.00185457%)
TIBETAN: 208469 out of 208469 tests passed. 0 failed (0%)
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 57542d7f411c71d9b8110ce6f64090b2c0f6a925 |
|
21-Feb-2013 |
Behdad Esfahbod <behdad@behdad.org> |
Minor
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| cfc507c5432e6327e8484b07b9e091212653bc92 |
|
14-Feb-2013 |
Behdad Esfahbod <behdad@behdad.org> |
[Indic-like] Disable automatic joiner handling for basic shaping features
Not for Arabic, but for Indic-like scripts. ZWJ/ZWNJ have special
meanings in those scripts, so let font lookups take full control.
This undoes the regression caused by automatic-joiners handling
introduced two commits ago.
We only disable automatic joiner handling for the "basic shaping
features" of Indic, Myanmar, and SEAsian shapers. The "presentation
forms" and other features are still applied with automatic-joiner
handling.
This change also changes the test suite failure statistics, such that
a few scripts show more "failures". The most affected is Kannada.
However, upon inspection, we believe that in most, if not all, of the
new failures, we are producing results superior to Uniscribe. Hard to
count those!
Here's an example of what is fixed by the recent joiner-handling
changes:
https://bugs.freedesktop.org/show_bug.cgi?id=58714
New numbers, for future reference:
BENGALI: 353892 out of 354188 tests passed. 296 failed (0.0835714%)
DEVANAGARI: 707336 out of 707394 tests passed. 58 failed (0.00819911%)
GUJARATI: 366262 out of 366457 tests passed. 195 failed (0.0532122%)
GURMUKHI: 60706 out of 60747 tests passed. 41 failed (0.067493%)
KANNADA: 950680 out of 951913 tests passed. 1233 failed (0.129529%)
KHMER: 299074 out of 299124 tests passed. 50 failed (0.0167155%)
LAO: 53611 out of 53644 tests passed. 33 failed (0.0615167%)
MALAYALAM: 1047983 out of 1048334 tests passed. 351 failed (0.0334817%)
ORIYA: 42320 out of 42329 tests passed. 9 failed (0.021262%)
SINHALA: 271539 out of 271847 tests passed. 308 failed (0.113299%)
TAMIL: 1091753 out of 1091754 tests passed. 1 failed (9.15957e-05%)
TELUGU: 970555 out of 970573 tests passed. 18 failed (0.00185457%)
TIBETAN: 208469 out of 208469 tests passed. 0 failed (0%)
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 0b45479198d61d5135dad771e9c68408eb13f930 |
|
14-Feb-2013 |
Behdad Esfahbod <behdad@behdad.org> |
[OTLayout] Add fine-grained control over ZWJ matching
Not used yet. Next commit...
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 607feb7cff0e50f8738d2e49ca463fc9d7d494de |
|
14-Feb-2013 |
Behdad Esfahbod <behdad@behdad.org> |
[OTLayout] Ignore default-ignorables when matching GSUB/GPOS
When matching lookups, be smart about default-ignorable characters.
In particular:
Do nothing specific about ZWNJ, but for the other default-ignorables:
If the lookup in question uses the ignorable character in a sequence,
then match it as we used to do. However, if the sequence match will
fail because the default-ignorable blocked it, try skipping the
ignorable character and continue.
The most immediate thing it means is that if Lam-Alef forms a ligature,
then Lam-ZWJ-Alef will do to. Finally!
One exception: when matching for GPOS, or for backtrack/lookahead of
GSUB, we ignore ZWNJ too. That's the right thing to do.
It certainly is possible to build fonts that this feature will result
in undesirable glyphs, but it's hard to think of a real-world case
that that would happen.
This *does* break Indic shaping right now, since Indic Unicode has
specific rules for what ZWJ/ZWNJ mean, and skipping ZWJ is breaking
those rules. That will be fixed in upcoming commits.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 568000274c8edb5f41bc4f876ce21fcc8bdaeed8 |
|
12-Feb-2013 |
Behdad Esfahbod <behdad@behdad.org> |
Adjust mark advance-width zeroing logic for Myanmar
Before, we were zeroing advance width of attached marks for
non-Indic scripts, and not doing it for Indic.
We have now three different behaviors, which seem to better
reflect what Uniscribe is doing:
- For Indic, no explicit zeroing happens whatsoever, which
is the same as before,
- For Myanmar, zero advance width of glyphs marked as marks
*in GDEF*, and do that *before* applying GPOS. This seems
to be what the new Win8 Myanmar shaper does,
- For everything else, zero advance width of glyphs that are
from General_Category=Mn Unicode characters, and do so
before applying GPOS. This seems to be what Uniscribe does
for Latin at least.
With these changes, positioning of all tests matches for Myanmar,
except for the glitch in Uniscribe not applying 'mark'. See preivous
commit.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 5a08ecf9200a6ac9b4ebb7ec5c13dcb42d8820ce |
|
16-Nov-2012 |
Behdad Esfahbod <behdad@behdad.org> |
Implement hb_ot_layout_get_glyph_class()
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| f30641038ba96e83950729b1bd9d86d2e98e46c5 |
|
16-Nov-2012 |
Behdad Esfahbod <behdad@behdad.org> |
Bunch of independent changes (ouch)
API additions:
hb_segment_properties_t
HB_SEGMENT_PROPERTIES_DEFAULT
hb_segment_properties_equal()
hb_segment_properties_hash()
hb_buffer_set_segment_properties()
hb_buffer_get_segment_properties()
hb_ot_layout_glyph_class_t
hb_shape_plan_t
hb_shape_plan_create()
hb_shape_plan_create_cached()
hb_shape_plan_get_empty()
hb_shape_plan_reference()
hb_shape_plan_destroy()
hb_shape_plan_set_user_data()
hb_shape_plan_get_user_data()
hb_shape_plan_execute()
hb_ot_shape_plan_collect_lookups()
API changes:
Rename hb_ot_layout_feature_get_lookup_indexes() to
hb_ot_layout_feature_get_lookups().
New header file:
hb-shape-plan.h
And a bunch of prototyped but not implemented stuff. Coming soon.
(Tests fail because of the prototypes right now.)
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 362a990b2246f5448ecb9d600761f710aea7d42d |
|
15-Nov-2012 |
Behdad Esfahbod <behdad@behdad.org> |
Rename hb_ot_layout_would_substitute_lookup() and hb_ot_layout_substitute_closure_lookup()
To match upcoming API.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 7c8e844d92aa604fc4b396343721ea90eb83adb8 |
|
28-Aug-2012 |
Behdad Esfahbod <behdad@behdad.org> |
Use namespace for OpenType tables
Avoids USHORT, SHORT, ULONG, LONG clashes with Windows API.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| d9b204d3d24cde165167714728bf380267903d6a |
|
23-Aug-2012 |
Behdad Esfahbod <behdad@behdad.org> |
[GSUB] Allow non-zero-context matching in would_apply()
To be used in the next patch.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| cd0c6e148f6d078b364370cb2f808b793b921be2 |
|
10-Aug-2012 |
Behdad Esfahbod <behdad@behdad.org> |
Shuffle buffer variable allocations around
To room for more allocations, coming.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| afbcc24be01a64bdb5c05c63880269145fa1d3c8 |
|
02-Aug-2012 |
Behdad Esfahbod <behdad@behdad.org> |
[GSUB] Wire the font, not just the face, down to substitute()
We need the font for glyph lookup during GSUB pauses in Indic shaper.
Could perhaps be avoided, but at this point, we don't mean to support
separate substitute()/position() entry points (anymore), so there is
no point in not providing the font to GSUB.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| b0e6a26a10ccca70ebc88a9e158a89ccfab0add5 |
|
02-Aug-2012 |
Behdad Esfahbod <behdad@behdad.org> |
[OT] Hide some API
It was impossible to meaningfully use them from the outside these days.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 6f7611375521c6d285a9aa763f2ea5cb44cd0d39 |
|
02-Aug-2012 |
Behdad Esfahbod <behdad@behdad.org> |
[GSUB/GPOS] Check array size before accessing digests
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 1336ecdf8e4e9879b96b26ecfbf5c9ba6c49e2b9 |
|
02-Aug-2012 |
Behdad Esfahbod <behdad@behdad.org> |
[GSUB/GPOS] Use Coverage digests as gatekeeper
Gives me a good 10% speedup for the Devanagari test case. Less so
for less lookup-intensive tests.
For the Devanagari test case, the false positive rate of the GSUB digest
is 4%.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| c2e42c3db691515f3a458eb4c71fe1e6439d5620 |
|
31-Jul-2012 |
Behdad Esfahbod <behdad@behdad.org> |
Minor
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 05bd1b63426e07d1df7a1b40bf845dc94ab995a8 |
|
31-Jul-2012 |
Behdad Esfahbod <behdad@behdad.org> |
[GSUB/GPOS] Move glyph props matching around
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| f860366456d9e59b139a940da6d89c3c4fb9e96e |
|
30-Jul-2012 |
Behdad Esfahbod <behdad@behdad.org> |
[OT] Gain back some lost speed
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 578e42182b9b9cf15b4c5426fae36e224160cbd7 |
|
30-Jul-2012 |
Behdad Esfahbod <behdad@behdad.org> |
Minor
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 4751dec8be05883483fd5f6b474ebd22583ae566 |
|
30-Jul-2012 |
Behdad Esfahbod <behdad@behdad.org> |
Minor
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| fe20c0f84f5ff518dc471bf22ac5a83ef079eb69 |
|
30-Jul-2012 |
Behdad Esfahbod <behdad@behdad.org> |
[GSUB] Fix mark component stuff when ligatures form ligatures!
See comments.
Fixes https://bugzilla.gnome.org/show_bug.cgi?id=437633
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 2ec3ba46a3c24469096e901750e38f6ee555479a |
|
30-Jul-2012 |
Behdad Esfahbod <behdad@behdad.org> |
[GSUB/GPOS] Minor
Start squeezing more out of lig_id/lig_comp.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 5d874d566fe5d2cc4cfaf02c79b663d8a626ca1e |
|
29-Jul-2012 |
Behdad Esfahbod <behdad@behdad.org> |
[GPOS] Fix mark-to-mark positioning when one of the marks is a ligature
This commit: a3313e54008167e415b72c780ca7b9cda958d07e broke MarkMarkPos
when one of the marks itself is a ligature. That regressed 26 Tibetan
tests (up from zero!). Fix that. Tibetan back to zero.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| ea278d3895fe0c92801d692cd71d8d9f1de7c048 |
|
27-Jul-2012 |
Behdad Esfahbod <behdad@behdad.org> |
Partially switch ot shaper to shape_plan
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| a3313e54008167e415b72c780ca7b9cda958d07e |
|
26-Jul-2012 |
Behdad Esfahbod <behdad@behdad.org> |
[GPOS] Fix MarkMarkPos applied to results of MultipleSubst
This was broken as a result of 7b84c536c10ab90ed96a033d88e9ad232d46c5b8.
As Khaled reported, MarkMark positioning was broken with glyphs
resulting from a MultipleSubst. Fixed. Test with the ALLAH character
in Amiri.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 49c5ec51444f27f33e1eb6aa1959c61b08fa89c0 |
|
24-Jul-2012 |
Behdad Esfahbod <behdad@behdad.org> |
Minor refactoring
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 0f8fea71a66b1e01ee4398967db464393f478d42 |
|
09-Jun-2012 |
Behdad Esfahbod <behdad@behdad.org> |
Minor. Hide _hb_ot_layout_get_glyph_property()
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| cee7187447b76b22e1bb6136d137b35ac49c3a5d |
|
11-May-2012 |
Behdad Esfahbod <behdad@behdad.org> |
[Indic] Move syllable tracking from Indic to generic layer
This is to incorporate it into GSUB/GPOS processing.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 0b08adb3539f2ec29682456b89c69e89ff5e9c03 |
|
24-Apr-2012 |
Behdad Esfahbod <behdad@behdad.org> |
Add hb_set_t
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 6a9be5bd3524dc3eb1e88d1063bde2e4d8b57011 |
|
24-Apr-2012 |
Behdad Esfahbod <behdad@behdad.org> |
Rename hb_glyph_map_t to hb_set_t
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 31081f7390e5130df72f89acc609ccab5dc77a48 |
|
23-Apr-2012 |
Behdad Esfahbod <behdad@behdad.org> |
Implement closure() for Context and ChainContext lookups
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| c64ddab3c34897cd520d4d73a054866e649e8793 |
|
23-Apr-2012 |
Behdad Esfahbod <behdad@behdad.org> |
Flesh out closure() for GSUB
The GSUBGPOS part still missing.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 5e88aa66822ba64324b4428c9ffbe06a43b4f310 |
|
15-Apr-2012 |
Behdad Esfahbod <behdad@behdad.org> |
Remove public enum names again
As was reported to me, glib-mkenum does not understand named enums,
so remove for now.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| c6035cf802c60f0526f421f39a55886061df94ee |
|
12-Apr-2012 |
Behdad Esfahbod <behdad@behdad.org> |
Add names to enums
gdb was showing <anonymous enum> instead of useful stuff, so name
all our enums.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 3897335c7620c37e9a0224b0c42ade0dfdce4053 |
|
08-Aug-2011 |
Behdad Esfahbod <behdad@behdad.org> |
[API] Sort out get_blob API
hb_face_get_blob() renamed to hb_face_reference_blob(), returns a
reference now.
hb_face_[sg]et_index() added.
hb_face_set_upem() added.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| c605bbbb6d4b2a98b1f40ca818760088d991f7d1 |
|
05-Aug-2011 |
Behdad Esfahbod <behdad@behdad.org> |
Remove C++ guards from source files
Where causing issues for people with MSVC.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| abcfe9b59b4475eb02dd679aac4bc59616713b28 |
|
11-May-2011 |
Behdad Esfahbod <behdad@behdad.org> |
Remove hb_ot_layout_context_t, simplify code
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 266b34418c9bbe23ccaf29cb354b58c465fa3b22 |
|
03-May-2011 |
Behdad Esfahbod <behdad@behdad.org> |
Refactor to keep hb-object-private.h and hb-open-type.h separate
Needed to be able to include <Windows.h> from hb-object-private.h.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 2409d5f8d7dd8b535ce5ea29e933f7db27d33793 |
|
21-Apr-2011 |
Behdad Esfahbod <behdad@behdad.org> |
Update Copyright headers
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| da975419884a535281745f30f4b32fee0bc8a7a1 |
|
21-Apr-2011 |
Behdad Esfahbod <behdad@behdad.org> |
[API] Allow negative font x_scale/y_scale
I was reconsidering whether y should grow down, since all three/four
times I've used this API I was tricked and got that wrong in my use.
So I was very inclined to make y grow down instead of up. However,
considering that the font space has y up and it would be very confusing
for callbacks to work against that, I decided that what I really want
is for the user to be able to set y_scale to a negative number to imply
that user-space y grows down.
Changing x_scale/y_scale from unsigned int to int allows that, and I've
made pango to use that instead of negating glyph y_offset later. hb-ft
however still has y group up. I *guess* that's how FreeType works?
I'm not sure, FreeType docs don't make this clear...
I'm happy with the resolution :-).
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| c57d454accff66e5f2c58006e8fb40bc020b6182 |
|
21-Apr-2011 |
Behdad Esfahbod <behdad@behdad.org> |
Rename all private sources and headers to C++ files
So we can liberally use the simple features of C++ that parts of the
codebase is already using.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 3a852ae7fe6edfaadd75625d27515a3689503395 |
|
03-Nov-2010 |
Behdad Esfahbod <behdad@behdad.org> |
Save general category and combining class in the buffer for reuse
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 4a2d844c2f12dc1b858ab4ddd737ded7c0852221 |
|
03-Nov-2010 |
Behdad Esfahbod <behdad@behdad.org> |
Minor code shuffling
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| c2709119c8c610a0d4d71884a7d4fdba7cb65b72 |
|
28-Oct-2010 |
Behdad Esfahbod <behdad@behdad.org> |
Move things around some more
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 194d4566ec054db03fa31d369a9f1c6cf4941e74 |
|
28-Oct-2010 |
Behdad Esfahbod <behdad@behdad.org> |
Move buffer var allocation local
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| bf94b3ad22b2fe4730d4e64d673c63154fc5b5fe |
|
28-Oct-2010 |
Behdad Esfahbod <behdad@behdad.org> |
Move some more code around
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 8c69e65abed961002d90024c92e18538c6516262 |
|
28-Oct-2010 |
Behdad Esfahbod <behdad@behdad.org> |
Rename lookup_flags to lookup_props since it's more than just flags
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 98370e89d1bff248737b482d129c2a4deb8bfd95 |
|
27-Oct-2010 |
Behdad Esfahbod <behdad@behdad.org> |
WIP removing external synthesized GDEF support and implementing it internally
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 1115890b90709fa5329a55d22f543020f3df9f6f |
|
27-Oct-2010 |
Behdad Esfahbod <behdad@behdad.org> |
More cleanup
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 88474c6fdaf35c56368694a5b164f4988a004d49 |
|
27-Oct-2010 |
Behdad Esfahbod <behdad@behdad.org> |
Get rid of the OpenType-specific internal buffer representation
Add variant integers to buffer item types. More cleanup coming.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| af5d02a269d55331300df1e382241893928d64e0 |
|
27-Oct-2010 |
Behdad Esfahbod <behdad@behdad.org> |
Rewrite Cursive joining to act more like other pair lookups
Look forward for next character instead of joining to the last character.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| f0feb084b0fd1510474b25404d1dcc5686ee0538 |
|
04-Oct-2010 |
Behdad Esfahbod <behdad@behdad.org> |
Minor
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| ac0c1663fa6e93a5a94c88fc7497bc11ca17f0a1 |
|
02-Oct-2010 |
Behdad Esfahbod <behdad@behdad.org> |
Avoid div-by-zero, validate upem
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| acdba3f90b232fc12fcb200dca2584481b339118 |
|
23-Jul-2010 |
Behdad Esfahbod <behdad@behdad.org> |
Prefer C linkage
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| cc6d52279d10a2edcf0d86c3a18a79ff4f6d3858 |
|
23-Jul-2010 |
Behdad Esfahbod <behdad@behdad.org> |
De-C++ where possible
Helps with avoiding many "extern C" declarations in source files.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 0dd200d28f51bf4062d8a377432c8977c80cb210 |
|
23-Jul-2010 |
Behdad Esfahbod <behdad@behdad.org> |
Header dep cleanup
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 0f0cd9d361f1bb614aa3fd4616160d027062370e |
|
09-Jun-2010 |
Behdad Esfahbod <behdad@behdad.org> |
Fix header tags
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| b634beb39e0a4fef7167a8af646f6b2d8cafe69b |
|
20-May-2010 |
Behdad Esfahbod <behdad@behdad.org> |
Fix delta scale, again...
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
|
| 0a4399ca228d244e646abdb3487da0f13b228889 |
|
19-May-2010 |
Behdad Esfahbod <behdad@behdad.org> |
Fix scale issues
hb_font_set_scale() now sets the value to be used to represent a unit
pixel. For example, if rendering a 10px font with a 26.6 representation,
you would set scale to (10 << 6). For 10px in 16.16 you would set it to
(10 << 16). This space should be the same space that the get_glyph_metrics
and get_kerning callbacks work in.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
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| eee8598d75d3af692d9ececf7e8ac458e892ba9e |
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13-May-2010 |
Behdad Esfahbod <behdad@behdad.org> |
Hide internal symbols
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
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| 22da7fd94d6318c52df69d70470a85464ffc533d |
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13-May-2010 |
Behdad Esfahbod <behdad@behdad.org> |
Rename a few files to be C++ sources
In anticipation for buffer revamp coming.
/external/harfbuzz_ng/src/hb-ot-layout-private.hh
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