befac337ca
[kern] Remove Override business
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Not used in any fonts. Not well-specified when mixing kerning with
Cross-Stream positioning.
2018-11-07 09:53:50 -05:00
59e04e4231
[kern/kerx] Fix cursive joining
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Tested with Waseem TTC:
$ hb-shape Waseem.ttc جحخج
[F1Jeem_R2=3@0,180+479|M1Khah_L2_R2=2@0,682+403|M1Hah_L2_R2=1@0,1184+403|I1Jeem_L2=0@0,1184+744]
2018-11-07 00:27:20 -05:00
8d0f797139
[kern/kerx] Fix "reset" magic value
2018-11-07 00:05:10 -05:00
80a33b9ac3
[kern] More tweaks
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Solves a mystery or two. I'm fairly confident this is what CoreText does now.
2018-11-06 21:46:14 -05:00
564e8ac046
[kern] Adjust some more
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Getting closer. So many open questions still...
2018-11-06 21:46:14 -05:00
4d003b8503
[kern] Add TODO
2018-11-06 21:46:14 -05:00
9810f0b80e
[kern] Minor
2018-11-06 21:46:14 -05:00
9c04b60583
[kern] In Format1, adjust how kerning is done
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In a series of kerns in one action, kern all but last glyph forward,
and the last one backward. Seems to better match what CoreText is doing.
Test cases, with GeezaPro Arabic:
$ ./hb-shape GeezaPro_10_10.ttc -u U+0631,U+0628
[u0628.beh=1+1415|u0631.reh=0@-202,0+700]
$ ./hb-shape GeezaPro_10_10.ttc -u U+0628,U+064F
[u064f.damma=0@0,-250+-250|u0628.beh=0@250,0+1665]
In a later change, I'll make kern machine avoid producing negative kerns.
2018-11-06 21:46:14 -05:00
e8c4772463
[kern] XXX Negate CrossKerning sign
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Not sure why, but seems to better match GeezaPro Arabic w CoreText.
Quite possibly I'm doing something very wrong...
2018-11-06 21:46:14 -05:00
01bf43ac01
[kern] Implement CrossStream kerning
2018-11-06 17:59:31 -05:00
b11830c09e
[kern] Improve Format 2
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Still disabled.
2018-11-06 17:59:31 -05:00
10e6f708f3
[kern] Minor
2018-11-06 17:16:23 -05:00
164eedd918
[kern] Minor
2018-11-06 17:16:23 -05:00
220a5991ba
[kern/kerx] Fix trace numbering
2018-11-06 17:16:23 -05:00
bfafe208da
[kern] Switch to dispatch
2018-11-06 12:13:20 -05:00
213fa3bf71
[kern] Refactor to include header in each subtable type
2018-11-06 12:13:20 -05:00
b0da2cd0b9
[kern] Some more
2018-11-06 12:13:20 -05:00
75b00b51c8
[kern] Renames
2018-11-06 12:13:20 -05:00
b605db2f65
[aat] Clean up ankr table include mess
2018-11-04 12:58:02 -05:00
8d98c51d13
[kern] Third try fix access violation in Format3
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Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11245
2018-11-03 15:14:57 -04:00
f074da8c2b
[kern] Really fix access violation in Format3
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Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11245
2018-11-03 15:07:39 -04:00
0589787ff5
[kern] Fix access violation in Format3
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Fixes https://bugs.chromium.org/p/oss-fuzz/issues/detail?id=11245
2018-11-03 14:59:40 -04:00
8034d1dda0
[kern] Implement Format1
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Also, implement backwards kerning for Format1 in kern and kerx.
Fixes https://github.com/harfbuzz/harfbuzz/issues/1350
2018-11-02 14:48:04 -04:00
46b3885c1a
[kern] Set subtable on sanitizer
2018-11-02 14:43:38 -04:00
74c7a2c6c8
[kern] Respect more flags
2018-11-02 14:26:04 -04:00
9f880bad0d
[kern] Minor
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We like check_struct() more.
2018-11-02 13:57:41 -04:00
f1df441bed
[kern] Comment
2018-11-02 13:26:15 -04:00
095f5add0b
[kern] Push apply loop to each subtable
2018-11-02 13:23:54 -04:00
949dad89a8
[kern] Remove accelerator
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It wasn't doing anything.
2018-11-02 12:47:55 -04:00
6e06fe162e
[kern] Implement Format3
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Untested.
2018-11-02 11:56:55 -04:00
a4a7a62389
[kern] Add buffer message
2018-11-02 11:16:43 -04:00
661340c475
[kern] Scale kern pairs before applying
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Fixes https://github.com/harfbuzz/harfbuzz/issues/1255
Fixes https://github.com/harfbuzz/harfbuzz/issues/1252
2018-10-16 13:24:29 -07:00
62376a7d98
Ignore signed-integer-overflow while kerning
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Fixes https://github.com/harfbuzz/harfbuzz/issues/1247
2018-10-14 15:20:50 -07:00
5d34164d98
[kern/kerx] Fix offset base
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Disable kern Format2.
Fix kerx Format2. Manually tested this with Tamil MN font and it works:
$ HB_OPTIONS=aat ./hb-shape Tamil\ MN.ttc -u 0B94,0B95
[tgv_au=0+3435|tgc_ka=1@-75,0+1517]
HB_OPTIONS=aat ./hb-shape Tamil\ MN.ttc -u 0B94,0B95 --features=-kern
[tgv_au=0+3510|tgc_ka=1+1592]
2018-10-10 18:23:09 -04:00
0537a40193
[kerx] Comment
2018-10-09 23:37:00 -04:00
27db859416
[kern/kerx] Adjust bounds check
2018-10-09 22:55:17 -04:00
4df8eb200d
[kern] Use kern subtable length for sanitizing in the accelerator
2018-10-09 22:46:12 -04:00
8bff1d2994
[kern] Minor
2018-10-09 22:39:31 -04:00
210f899aca
[kern] Sanitize 4 bytes, not 2
2018-10-09 21:58:04 -04:00
977c8a8e5c
[kern] Minor
2018-10-09 00:22:08 -04:00
a51958819f
Apply TrueType/OpenType kern table when GPOS kern feature is not available
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Fixes https://github.com/harfbuzz/harfbuzz/issues/250
2018-10-08 23:57:45 -04:00
3c23ff9b7c
[kern] Add kerning driver to TT kern table
2018-10-08 23:26:26 -04:00
683c3a9533
[kern] Abstract away kerning machine
2018-10-08 23:09:48 -04:00
d62b4011cc
[kern] Shout less
2018-10-07 22:58:06 -04:00
8aa83d97f9
[kern/kerx] Fix Format2 offsetting
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"The values in the right class table are stored pre-multiplied by the
number of bytes in a single kerning value, and the values in the left
class table are stored pre-multiplied by the number of bytes in one
row. This eliminates needing to multiply the row and column values
together to determine the location of the kerning value. The array can
be indexed by doing the right- and left-hand class mappings, adding the
class values to the address of the array, and fetching the kerning
value to which the new address points."
2018-10-07 22:45:15 -04:00
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
3a0b3a29cc
Free up hb-ot-face.hh from includes
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There might be a better way to do this, but I couldn't find...
2018-08-26 15:11:24 -07:00
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
9583e0077d
Port more off of Sanitizer<>
2018-07-22 22:43:25 -07:00
Behdad Esfahbod