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2527 Commits

Author SHA1 Message Date
Behdad Esfahbod e509d35cf1 [ft] hb_ft_get_glyph_from_name fails for the name of glyph id 0 
Based on patch from Jonathan Kew, as reported on the mailing list.
 2013-07-11 14:56:45 -04:00
Behdad Esfahbod 29b596ac67 [uniscribe] Fix buffer allocation 
Email from Jonathan Kew:

My cygwin build kept aborting on certain test words when run with the
uniscribe backend. Turned out this was caused by a bug in the allocation
of scratch buffers in hb-uniscribe.cc.

Commit 2a17f9568d introduced a new line

  ALLOCATE_ARRAY (SCRIPT_VISATTR, vis_attr, glyphs_size);

but it failed to account for this in the computation of glyphs_size
(the number of glyphs for which scratch buffer space is available),
with the result that the vis_clusters array ends up overrunning the
end of the scratch buffer and clobbering the beginning of the buffer's
info[].

AFAICS, the vis_attr array is not actually used, so the simple fix is
to remove the line that allocates it. (If/when we -do- need to use
vis_attr for something, we'll need to add another term to the earlier
calculation of glyphs_size.)

With this patch, the uniscribe backend runs reliably again.

JK
 2013-07-08 08:37:15 -06:00
Behdad Esfahbod 9245e98742 [Indic] Add Javanese config 
We should add for other scripts too, send me the virama codepoint
and script name...
 2013-06-26 20:57:58 -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
Behdad Esfahbod 3f9e2dced2 Fix contextual lookup recursion indexing 
See email thread "Skipping Control for Attaching Marks using OpenType"
from earlier this month.
 2013-06-26 19:46:55 -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 79d1007a50 If variation selector is not consumed by cmap, pass it on to GSUB 
This changes the semantics of get_glyph() callback and expect that
callbacks return false if the requested variant is not available, and
then we will call them back with variation_selector=0 and will retain
the glyph for the selector in the glyph stream.

Apparently most Mongolian fonts implement the Mongolian Variation
Selectors using GSUB, not cmap.

https://bugs.freedesktop.org/show_bug.cgi?id=65258

Note that this doesn't fix the Mongolian shaping yet, because the way
that's implemented is that the, say, 'init' feature ligates the letter
and the variation-selector.  However, since currently the variation
selector doesn't have the 'init' mask on, it will not be matched...
 2013-06-13 19:01:07 -04:00
Behdad Esfahbod c7a8491720 Skip over multiple variation selectors in a row 2013-06-10 15:08:49 -04:00
Behdad Esfahbod 7235f33f9e Fix misc warnings reported by cppcheck 
https://bugs.freedesktop.org/show_bug.cgi?id=65544
 2013-06-10 15:08:49 -04:00
Behdad Esfahbod 2fd0e02706 Minor 2013-06-06 17:16:01 -04:00
Behdad Esfahbod 4ddf937242 Remove unnecessary stdint.h include 2013-06-03 18:36:26 -04:00
Chun-wei Fan 93a04b8b5e hb-uniscribe.cc: Re-enable build under Visual Studio 
-Declare hinstLib at the top of block
-Fix the definitions of the typedefs of ScriptItemizeOpenType,
 ScriptShapeOpenType and ScriptPlaceOpenType
 2013-06-03 18:32:59 -04:00
Behdad Esfahbod d70be29831 Fix dist 2013-05-28 17:27:31 -04:00
Behdad Esfahbod 22ce096174 Generate harfbuzz-icu.pc 
Currently it only works with ICU that has .pc files.  I'll
wait till someone complains before fixing it for icu-config
systems.
 2013-05-28 17:18:30 -04:00
Behdad Esfahbod d9afa11133 Build hb-icu into libharfbuzz-icu.so 2013-05-28 15:27:40 -04:00
Behdad Esfahbod 2a17f9568d Bug 55494 - ScriptItemizeOpenType doesn't exists under Windows XP 
Fallback to older API if OpenType variants are not available.
 2013-05-28 13:13:46 -04:00
Behdad Esfahbod 61e7775fa7 Remove hb-icu dependency from hb-icu-le shaper 2013-05-27 18:24:56 -04:00
Behdad Esfahbod 7e08f1258d 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
 2013-05-27 14:50:00 -04:00
Behdad Esfahbod cf059ac69d [icu_le] Support non-BMP text 2013-05-24 15:28:11 -04:00
Behdad Esfahbod a447c528e6 [icu_le] A bit better scaling 2013-05-23 17:05:39 -04:00
Behdad Esfahbod fb502a2278 Merge commit '9d9e72e94e7914f82ce62a304e7242f79c13edaf' 2013-05-23 15:54:52 -04:00
Behdad Esfahbod b9408d24f3 [icu_le] Fix scaling 
Seems to work...
 2013-05-23 15:43:02 -04:00
Behdad Esfahbod 601526392d Copy stdint.h boilerplate to ucdn 2013-05-21 17:22:13 -04:00
Behdad Esfahbod d785fa0c45 Minor refactoring 2013-05-20 09:18:52 -04:00
Behdad Esfahbod 127daf15e0 Arabic mark width-zeroing regression 
Mozilla Bug 873902 - Display Arabic text with diacritics is bad
https://bugzilla.mozilla.org/show_bug.cgi?id=873902
 2013-05-20 09:11:35 -04:00
Behdad Esfahbod fa3d0a0ce6 Bug 64476 - Typo in hb_set_t.get_min() 
Fixes previous commit's test.
 2013-05-14 15:30:55 -04:00
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 e015b8f218 [OTLayout] Minor 2013-05-04 16:04:04 -04:00
Behdad Esfahbod 780cd930a9 [OTLayout] Minor 2013-05-04 16:04:04 -04:00
Behdad Esfahbod 2e0c44f4be [OTLayout] Add is_inplace() method to GSUB 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
Behdad Esfahbod 76ea563673 [OTLayout] Add note about collect_glyphs() and recursive lookups 2013-05-04 16:04:03 -04:00
Behdad Esfahbod a8bf0e91f1 Add U+061C ARABIC LETTER MARK to Default_Ignorable 2013-05-03 14:45:04 -04:00
Behdad Esfahbod 5d59f99920 [OTLayout] Make MultipleSubst in-place for sequences of len=1 2013-05-02 15:39:16 -04:00
Behdad Esfahbod 54f84a6b85 [OTLayout] Whitespace 2013-05-02 15:39:16 -04:00
Behdad Esfahbod 3276c354da [OTLayout] Minor refactoring 2013-05-02 15:39:15 -04:00
Behdad Esfahbod ea86efa486 Minor 2013-05-02 15:39:15 -04:00
Behdad Esfahbod 8b63efb6f8 Minor 2013-05-02 15:39:15 -04:00
Behdad Esfahbod 2265be0a62 Minor 2013-05-02 15:39:15 -04:00
Behdad Esfahbod e6f19af087 Minor 2013-05-02 14:00:16 -04:00
Behdad Esfahbod 6c15ddfe2b Renamed DEBUG to something else 
Some infrastructures use DEBUG as a generic symbol.
 2013-04-30 11:34:00 -04:00
Behdad Esfahbod ed79dff517 Minor 2013-04-21 15:43:27 -04:00
Behdad Esfahbod 893f57b32f Minor renaming 2013-04-21 15:23:21 -04:00
Behdad Esfahbod 8ac3c9c0b6 Rename "pause" to "stage" 
The compile() function is starting to become illegible...
 2013-04-21 15:19:38 -04:00
Behdad Esfahbod dd0641a432 Minor 2013-04-21 15:13:57 -04:00
Behdad Esfahbod 06a44e8593 Remove unneeded code 
We always push a pause at the end such that each lookup falls in exactly
one pause_map_t.  Now, only if I can find a better name for that...
 2013-04-21 15:13:08 -04:00
Behdad Esfahbod 8659c63608 Hand-code bsearch in the hot inner loop. 
Saves another 3 / 4 percent with Amiri.
 2013-04-19 14:36:32 -04:00