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4208 Commits

Author SHA1 Message Date
Garret Rieger
cf403e1a53 Add hb-subset.h to hb.h 2018-02-04 12:57:33 -08:00
Garret Rieger
c02573516c Fix typo in hb-subset.h 2018-02-04 12:57:33 -08:00
Rod Sheeter
9ccb8366f6 Start to sketch APIs for subsetting 2018-02-04 12:57:33 -08:00
Behdad Esfahbod
89b1906d99 [aat] More adjustment to ContextualSubtable 
See comment.

With this, MORX-20 passes if I turn --verify off.  Our unsafe-to-break
logic is currently broken in presence of end-of-text actions.  That's,
ugh, extra work to fix.  Let me try...
 2018-02-04 14:45:02 -05:00
Behdad Esfahbod
8be596f0b7 [aat] In ContextualSubstitute, apply end-of-text action to last glyph 2018-02-04 14:40:17 -05:00
Behdad Esfahbod
c0b1c7eb2e [aat] Remove unneeded check 2018-02-04 14:19:41 -05:00
Behdad Esfahbod
aed32589af [aat] In ContextualSubtable, mark mark after substituting mark 
Fixes MORX-21.
 2018-02-04 12:36:54 -05:00
Behdad Esfahbod
fe5f9b1ae3 [aat] Fix ContextualSubtable sanitization 
Fixes MORX-18, MORX-19, and MORX-22.
 2018-02-04 12:36:54 -05:00
Bruce Mitchener
e8859fca3e Enable use of atexit() on macOS and related platforms. 
The atexit() man page indicates that this is expected to behave
in the expected way on unloading of shared libraries.
 2018-02-03 19:20:40 -08:00
Bruce Mitchener
a89573770b Use nullptr, not NULL. 2018-02-03 21:26:58 +02:00
David Corbett
ccb0367dae Let VS1 follow U+1031 MYANMAR VOWEL SIGN E 2018-02-02 12:41:07 -08:00
punchcutter
c6dbf6e77c Allow optional ZWJ in virama terminated cluster 2018-01-31 14:16:25 -08:00
Bruce Mitchener
dae20fb5a7 Use nullptr instead of 0. 2018-01-31 08:18:48 -08:00
Bruce Mitchener
90218fa93c Fix typos. 2018-01-31 08:18:15 -08:00
Bruce Mitchener
148ca61075 [ot-layout] Fix nullptr dereference. 
If the `calloc` for `gsub_accels` or `gpos_accels` fails, then the
unlikely branch afterwards can be taken, which frees up the
`hb_ot_layout_t`, but since those fields can now be `nullptr`, then
we don't want to dereference them.
 2018-01-31 08:05:25 -08:00
Bruce Mitchener
0c66043a92 [coretext] Fix memory leaks. 
In `reference_table`, if the data is empty and we return early,
we still need to release the data object.

In `hb_coretext_shape`, there two edge cases where an early
return should release the attributed string.
 2018-01-31 08:04:15 -08:00
Behdad Esfahbod
e89df6e1ae [aat] Limit number of DontAdvance transitions 
Remove the faulty loop-detection logic. Use max-ops for breaking
out of infinite loops or heavy work.

https://twitter.com/behdadesfahbod/status/958065026262183936
 2018-01-30 11:01:18 -08:00
Ebrahim Byagowi
55cae0d72e
[test] Use 'otool -L' where ldd doesn't exist (macOS) (#732) 2018-01-29 18:05:24 +03:30
David Corbett
2ec7dd1f6c Fix Travis build on macOS (#731) 2018-01-29 02:18:28 +03:30
Behdad Esfahbod
12757b6929 Misc warning fixes 
Fixes https://github.com/harfbuzz/harfbuzz/issues/712
 2018-01-26 18:14:05 -08:00
bungeman
85be365ed9 Use KernSubTableFormat2::rightClassTable 
Issue originally reported at http://cppfiles.com/chromium.txt .

This fixes what appears to be a copy - paste issue which causes both
KernSubTableFormat2::rightClassTable and the 'right' argument to
KernSubTableFormat2::get_kerning to go unused.
 2018-01-26 15:20:18 -08:00
Bruce Mitchener
19a93fcf19 Fix typos. 2018-01-21 10:33:54 -08:00
Behdad Esfahbod
51ce3828e6 [aat] Fix Ligature matching 
I hope... Makes "ffi" work with Zapfino. I'm not sure if doing it correctly though...
 2018-01-19 18:37:58 -08:00
Behdad Esfahbod
bef509855c [aat] Add TODO 2018-01-19 18:24:00 -08:00
Behdad Esfahbod
e6f283ed7d [aat] Implement LigatureSubtable 
We form the Zapfino ligature now. Yay! No further testing done.
 2018-01-19 18:09:48 -08:00
Behdad Esfahbod
f07ce661a2 [aat] Embed a sanitizer context in hb_aat_apply_context_t 
For run-time checking.
 2018-01-19 16:52:01 -08:00
Behdad Esfahbod
046690a4df [aat] Add hb_aat_apply_context_t 2018-01-19 16:40:13 -08:00
Behdad Esfahbod
fd03449094 Rename hb_apply_context_t to hb_ot_apply_context_t 2018-01-19 16:40:13 -08:00
Behdad Esfahbod
94b49beee9 Whitespace 2018-01-19 16:40:13 -08:00
Cosimo Lupo
c8f2a4f5b9 hb-common.cc: Hatran script is right-to-left (#714) 
"Hatran is written from right to left horizontally"

http://www.unicode.org/L2/L2012/12312-n4324-hatran.pdf

This ancient script was added with Unicode 8.0.

Also this spreadsheet (referenced in an inline comment in the
source code) has it as RTL: http://goo.gl/x9ilM
 2018-01-19 01:19:40 +03:30
Ebrahim Byagowi
00806149b9
Improve avoiding C++ linkage, definition creation and cmake tests (#710) 2018-01-19 01:12:31 +03:30
Behdad Esfahbod
461a605fde [aat] Allocate set dynamically 2018-01-17 10:02:48 -08:00
Behdad Esfahbod
949f6af289 Disallow sanitize recursing into Extension subtables multiple times 
Fixes https://oss-fuzz.com/v2/testcase-detail/5216838347653120
which is a stack overflow, not by way of infinite recursion, just
being deep.  That's disallowed anyway, so catch it as it happens,
not afterwards.
 2018-01-15 20:44:10 -05:00
Behdad Esfahbod
bcb6f1ae0a Whitespace 2018-01-15 20:34:05 -05:00
Behdad Esfahbod
12fffce10e [aat] Sanitize classTable in StateTable 2018-01-15 15:41:51 -05:00
Behdad Esfahbod
e6263c7142 [aat] Wire up table length to apply() 2018-01-15 15:37:55 -05:00
Behdad Esfahbod
679ae744d0 [aat] Towards implementing LigatureSubtable 2018-01-14 15:03:31 -05:00
Behdad Esfahbod
c9e12a2b9b Fix set initializer 2018-01-13 17:05:12 +00:00
Behdad Esfahbod
9009b341c4 [aat] Fix some struct sizes 
I hate it that with my compiler at least, it doesn't catch totally uncompilable
statements in templates if they are not used...
 2018-01-12 12:04:53 +01:00
Behdad Esfahbod
57051b4f67 [aat] Flush rest of buffer if state machine failed 2018-01-12 11:42:25 +01:00
Behdad Esfahbod
25364c4f00 [aat] Fix symbol visibility 
Not sure why only one of the bots sees this as visible...
 2018-01-12 11:31:20 +01:00
Behdad Esfahbod
ee16b9d8d3 Revert accidental morx enablement 2018-01-12 11:28:09 +01:00
Behdad Esfahbod
cdfa801ff4 [aat] Tweak previous commit 2018-01-12 11:12:20 +01:00
Behdad Esfahbod
f7600228a4 [aat] Detect infinite-loops in state machine 2018-01-12 11:09:21 +01:00
Behdad Esfahbod
dd38db523a [aat] Fix more builds 
Maybe I should disable C++11 detection such that my compiler also catches
these.  Doesn't look like we can switch to it for a while anyway...
 2018-01-12 09:45:42 +01:00
Behdad Esfahbod
72cb2b1f57 [aat] Fix builds 2018-01-12 09:38:55 +01:00
Ting-Wei Lan
e3a15d0c6d Update _POSIX_C_SOURCE to the latest version 
Defining _POSIX_C_SOURCE to an old version on FreeBSD can cause C99 to
be disabled in libc.
 2018-01-12 09:19:41 +01:00
Behdad Esfahbod
c70d58f97d [aat] Port RearrangementSubtable to StateTableDriver 2018-01-12 00:08:22 +01:00
Behdad Esfahbod
117cfe7bb7 [aat] Add StateTableDriver and convert ContextualSubtable to it 2018-01-12 00:01:36 +01:00
Behdad Esfahbod
1f1c85a54a [aat] Remove 'mort' support 
It's dead, Jim!
 2018-01-11 22:43:57 +01:00