00ae4be6bf
[morx] Fix bailing out ligation at end-of-text
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Check was after a move_to, which wouldn't work.
Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11147
2018-10-26 21:59:20 -07:00
39bd07aed5
Fix bunch of unused parameter warnings
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Show up with gcc -O0.
There's a few more but those are functions that need to be filled in.
Maybe this is a lost battle...
2018-10-26 21:22:26 -07:00
ba5ca6a762
[morx] Use deleted-glyph, instead of actual deletion, in Ligation
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Closer to what CoreText does.
Fixes https://github.com/harfbuzz/harfbuzz/issues/1302
2018-10-25 17:46:07 -07:00
5c272e3613
[morx] Remove deleted-glyph at the end of processing
2018-10-25 17:39:54 -07:00
ba502dea1e
[morx] Fix cluster-merging when ligating
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Only merge when actual ligature happened.
Fixes https://github.com/harfbuzz/harfbuzz/issues/1305
2018-10-23 16:50:31 -07:00
ffe3478448
[aat] Allow enabling/disabling features
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Only works at entire-buffer range, not sub-ranges.
Test with:
$ hb-shape Zapfino.dfont Zapfino
[Z_a_p_f_i_n_o=0+2333]
$ hb-shape Zapfino.dfont Zapfino --features=-dlig
[Z=0+416|a=1@-21,0+264|p_f=2+433|i=4+181|n=5+261|o=6+250]
$ hb-shape Zapfino.dfont Zapfino --features=+dlig
[Z_a_p_f_i_n_o=0+2333]
Fixes https://github.com/harfbuzz/harfbuzz/issues/1303
2018-10-23 14:14:03 -07:00
531f9822b2
[morx] Add a few debug messages to Ligature chain
2018-10-23 01:32:08 -07:00
0e5bcdef7f
[morx] Clear stack upon underflow when acting ligatures
2018-10-23 00:39:44 -07:00
792071de40
[morx] Leave ligature on stack after ligating
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Test with Apple Color Emoji.ttf of ~66MB and following sequence:
./hb-shape Apple\ Color\ Emoji-old.ttf --font-funcs=ot -u U+1F468,200d,U+1F469,200d,U+1F467,200d,1f466
Should form full family if matching works correctly. It first makes
family of three, then makes family of four out of that and the last
two characters.
Fixes https://github.com/harfbuzz/harfbuzz/issues/1292
2018-10-22 23:38:34 -07:00
87205ef935
[aat] Make sure Lookup offset is never nulled
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It has unbounded size...
Fixes https://oss-fuzz.com/v2/testcase-detail/5718889451749376
2018-10-16 15:41:00 -07:00
2137582c96
[morx] Reword ligation
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Still fails MORX-41. Am talking to Sascha to better understand what CoreText
is doing.
2018-10-16 14:46:07 -07:00
c53a25c657
[morx] Comment
2018-10-16 13:57:35 -07:00
0f85edb778
[morx] Another end-of-text corner case
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Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10990
2018-10-15 11:15:54 -07:00
55d5ea666c
[kerx] Merge clusters in Ligature
2018-10-15 11:05:10 -07:00
1c76c8f6ff
[morx] Handle end-of-text conditions in Insertion
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Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=10955
2018-10-14 19:39:31 -07:00
8496753796
[kerx] Implement Format1
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Untested.
2018-10-10 21:18:37 -04:00
339036dd97
[kerx] Start fleshing out Format1
2018-10-10 20:37:22 -04:00
362d324119
[aat] Rename
2018-10-09 23:27:00 -04:00
54c9ecb92d
[morx] Use subtable range for embedded sanitizer here as well
2018-10-09 23:18:19 -04:00
2a5cb37fdb
Revert "[morx] Fix MORX-35"
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This reverts commit f62f6e90ad
2018-10-07 20:37:15 -04:00
f62f6e90ad
[morx] Fix MORX-35
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Fixes https://github.com/harfbuzz/harfbuzz/issues/1224
2018-10-07 18:52:48 -04:00
fdce1e1543
[kerx] Clean up kerx and KerxTable structures
2018-10-07 14:01:33 -04:00
3417037eb1
[aat] Add +hb_aat_layout_has_substitution
2018-10-04 11:17:19 +02:00
7810bb1a59
[morx] Only insert glyphs at mark when a mark has been set before
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This reverts commit f4072e8cb8https://github.com/harfbuzz/harfbuzz/issues/1195
2018-10-04 10:29:23 +02:00
98ac01d3b3
[morx] Break out if buffer gets into error
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Was getting stuck not making progress somehow.
2018-10-01 12:10:00 +02:00
f4072e8cb8
[morx] Remove mark_set from Insertion
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text-rendering-tests test MORX-32 shows that for Insertion, an unset mark is treated
as mark set at 0. This is unlike the Reordering lookup where un unset mark performs
nothing.
Fixes MORX-32.
2018-09-28 10:14:23 -04:00
0d18ec5467
[morx] unsafe-to-break in Insertion
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Makes MORX-29, MORX-30, MORX-31 pass.
2018-09-28 10:01:59 -04:00
5fd8bce945
[morx] Fix mark_set check
2018-09-19 22:34:09 -04:00
dc8ed45292
[morx] Implement forward/backward processing
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We reverse too many times. Can be optimized. But I doubt many fonts
use reverse lookups, so doesn't matter.
Other than not applying user features, this completes morx table
implementation.
2018-09-19 16:47:25 -04:00
3bccd62196
[morx] Implement horiz-only/vert-only subtables
2018-09-19 16:24:34 -04:00
041a08de3d
[morx] Improve buffer position in Insertion w DontAdvance and wo
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Just speculation. Needs tests to determine which is correct behavior.
2018-09-19 16:02:56 -04:00
388ab91642
[morx] Implement InsertionChain
2018-09-17 20:28:32 +02:00
89dd4b9597
Fix bots
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"Unused private member" warning turned error. ugh.
2018-09-16 18:11:46 +02:00
10642b3fbf
Disallow null-enabled offsets to unsized structures...
...
...like UnsizedArrayOf<>.
This fixes a class of crasher bugs, mostly with color and AAT tables. We
cannot use nullable offsets to varsized data that does not declare min_size,
because it's nost safe to use our fixed-size null pool for types that have
their size external. So, use non_null'able offsets for these.
A further enhancement would be to make use of min_size in Null<> itself.
Will try that after.
2018-09-15 19:43:33 +02:00
9ff76c6025
[morx] Respect default feature settings
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Does NOT apply user-selected features. But at least now enables
correct subtables.
2018-09-15 18:31:14 +02:00
2f97da6e2d
[aat] Change version field
2018-09-15 14:51:50 +02:00
29c2bd1795
[morx] Add stub for InsertionChain
2018-09-15 14:47:18 +02:00
dff2c45f1e
Port rest from VAR to UnsizedArrayOf<>
2018-09-11 01:01:08 +02:00
9507b05a7a
Simplify sanitize->check_array()
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Fix a bug in CBDT sanitize, and redundant check in avar.
2018-09-10 23:18:23 +02:00
c77ae40852
Rename hb-*private.hh to hb-*.hh
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Sorry for the noise, downstream custom builders. Please adjust.
2018-08-25 22:36:36 -07:00
63f57f4dab
Mark more unsized array's as arrayZ
2018-05-08 16:56:11 -07:00
5b93f69169
Rename some X-terminated members to Z-terminated
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X-terminated means don't access this, it's not located correctly.
Z-terminated means this is a C array with no bound checking.
2018-05-02 14:59:14 -04:00
277e328986
Make some of implicit header uses explicit ( #989 )
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Splitted from #950 and #986 IIRC Chromium had a policy about this encouraging it,
not sure about automated way to detect and add them but for now lets have the needed
ones of them.
2018-04-17 09:13:35 +04:30
a02c3ee70f
Add or update tables specifications links
2018-04-12 13:44:32 +04:30
b799fc8077
minor, use LOffsetTo and LArrayOf whenever possible ( #966 )
2018-04-11 18:36:09 +04:30
211da5efdc
[aat] Cosmetic changes ( #964 )
2018-04-11 17:41:24 +04:30
158f2810b2
[aat/ltag] Implement the table parsing ( #911 )
2018-03-26 12:04:30 +04:30
c7d7c9898e
[aat] Minor
2018-02-13 14:00:14 -08:00
2dbfeecf96
Minor
2018-02-13 13:59:39 -08:00
91519c6a5b
[aat] Add buffer messages
2018-02-10 13:35:17 -06:00
Behdad Esfahbod
Sascha Brawer
Ebrahim Byagowi