d1d69ec52e
[GSUB] Don't ligate glyphs attached to different components of ligatures
...
This concludes the mark-attachment vs ligating interaction fixes (for now).
2012-07-30 00:51:47 -04:00
4751dec8be
Minor
2012-07-30 00:42:07 -04:00
f24bcfbed1
Minor
2012-07-30 00:39:00 -04:00
fe20c0f84f
[GSUB] Fix mark component stuff when ligatures form ligatures!
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See comments.
Fixes https://bugzilla.gnome.org/show_bug.cgi?id=437633
2012-07-30 00:00:59 -04:00
2ec3ba46a3
[GSUB/GPOS] Minor
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Start squeezing more out of lig_id/lig_comp.
2012-07-29 22:16:15 -04:00
ef6e9cec33
Fixup bb0e4ba3e9
2012-07-29 21:35:22 -04:00
cb3d340631
[GSUB] Don't set new lig_id on mark ligatures
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If two marks form a ligature, retain their previous lig_id, such that
the mark ligature can attach to ligature components...
Fixes https://bugzilla.gnome.org/show_bug.cgi?id=676343
In fact, I noticed that we should not let ligatures form between glyphs
coming from different components of a previous ligature. For example,
if the sequence is: LAM,SHADDA,LAM,FATHA,HEH, the LAM,LAM,HEH form a
ligature, putting SHADDA and FATHA next to eachother. However, it would
be wrong to ligate them. Uniscribe has this bug also.
2012-07-29 20:37:38 -04:00
97a201becf
Add Arabic tests for mark ligature component attachments
2012-07-29 20:37:29 -04:00
a15b70a81a
[hb-old] Fix cluster formation in RTL
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Unlike Uniscribe, hb-old returns glyphs in logical order, so the logic
does not need to duplicated for RTL.
2012-07-29 20:09:22 -04:00
8a7e70ef65
[Minor]
2012-07-29 19:56:54 -04:00
bb0e4ba3e9
Minor
2012-07-29 17:34:14 -04:00
a00ad60bc0
[Uniscribe] Remove hb_uniscribe_font_ensure()
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Wasn't a huge fan of putting the burden on the user. Just remove it and
do what we've got to do transparently.
2012-07-28 21:16:08 -04:00
5d874d566f
[GPOS] Fix mark-to-mark positioning when one of the marks is a ligature
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This commit: a3313e5400
2012-07-28 21:05:25 -04:00
338fe662b5
[GSUB] Minor
2012-07-28 18:53:01 -04:00
e6f7479fe3
[GSUB] Simplify would-apply
2012-07-28 18:34:58 -04:00
dadede012e
Minor
2012-07-28 18:13:09 -04:00
0b99429ead
[GSUB/GPOS] Add get_coverage() and use it to speed up main loop
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And use it to speed up the hotspot by checking coverage directly in
the main loop, not 10 functions deep in.
Gives me a solid 20% boost with Indic test suite. Less so for less
lookup-intensive scenarios.
Remove the "fast_path" hack from before.
2012-07-28 17:46:35 -04:00
30ec9002d8
Reject lookups with no subTable
2012-07-28 17:25:20 -04:00
0981068b75
[GSUB/GPOS] Reject Context/ChainContext lookups with zero input
2012-07-28 17:01:59 -04:00
2f87cebe10
Implement shape_plan caching
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Should give us some performance boost.
2012-07-27 04:20:39 -04:00
e9eb9503e9
Add default_shaper_list to shape_plan
2012-07-27 03:16:22 -04:00
3b7c4e2706
Don't fail choosing shaper on planning failure
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Shapers have a chance to reject a font in face shaper_data creation.
No need to allow failing during planning.
2012-07-27 03:12:23 -04:00
cfe9882610
Add hb_ot_layout_ensure() and hb_uniscribe_font_ensure()
2012-07-27 03:06:30 -04:00
c5b668fb92
Choose one shaper per plan
2012-07-27 02:49:39 -04:00
e82061e8db
Move ot shaper completely to shape_plan
2012-07-27 02:29:32 -04:00
ea278d3895
Partially switch ot shaper to shape_plan
2012-07-27 02:12:28 -04:00
b6b7ba1313
Switch old and uniscribe backends to shape_plan
2012-07-27 01:37:18 -04:00
c32c096a42
Switch to shape_plan
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Not optimized yet. Eats babies. And no shaper uses the shape_plan.
2012-07-27 01:13:53 -04:00
5b95c148cc
Start implementing shape_plan
2012-07-27 01:02:24 -04:00
bd26b4d21f
Minor
2012-07-26 22:18:24 -04:00
027857d041
Start adding a unified shaper access infrastructure
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Add global shape_plan. Unused so far.
2012-07-26 21:14:02 -04:00
fa2dfcd560
Fix visibility warnings with MinGW32
2012-07-26 16:06:16 -04:00
ac2085d4b3
[CoreText] Ensure cluster indices in output buffer are non-decreasing.
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Does not provide Uniscribe-compatible results, but should at least avoid
breaking hb-view due to out-of-order cluster values.
For RTL runs, ensure cluster values are non-increasing (instead of
non-decreasing).
2012-07-26 15:58:45 -04:00
441d3bb7de
Minor
2012-07-26 12:01:12 -04:00
2e7f223054
[hb-old] Fix Arabic cursive positioning
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Backporting from upstream:
commit b847f24ce855d24f6822bcd9c0006905e81b94d8
Author: Behdad Esfahbod <behdad@behdad.org>
Date: Wed Jul 25 19:29:16 2012 -0400
[arabic] Fix Arabic cursive positioning
This was clearly broken in testing. Who knows... Fixes for me.
Test with a Nastaleeq font, or with Arabic Typesetting.
Backporting from Chromium.
2012-07-25 19:30:15 -04:00
9550a8c4e8
[hb-old] Fixup not-enough-space handling
2012-07-25 19:22:57 -04:00
91e721ea86
[hb-old] Fix clusters
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Unlike its "documentation", hb-old's log_clusters are, well, indeed
logical, not visual. Fixup. Adapted / copied from hb-uniscribe.
2012-07-25 19:20:34 -04:00
a3313e5400
[GPOS] Fix MarkMarkPos applied to results of MultipleSubst
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This was broken as a result of 7b84c536c1
2012-07-25 18:37:51 -04:00
35bdab3cf1
Minor
2012-07-25 11:59:52 -04:00
8fe4c7405b
[hb-old] Add HarfBuzz.old shaper
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Choose using shaper name "old".
2012-07-25 11:11:22 -04:00
5e1987005e
[hb-old] Define Unicode funcs in terms of new HarfBuzz
2012-07-25 11:11:22 -04:00
4a31166b28
[hb-old] Shovel out the line-breaking / word-segmentation stuff
2012-07-25 11:11:22 -04:00
0bcbe88cf3
[hb-old] Add visibility attributes
2012-07-25 11:11:22 -04:00
6a9d43c317
[hb-old] Remove unused header file
2012-07-25 11:11:22 -04:00
fb47209c5b
[hb-old] Rename hb_buffer_* to HB_Buffer_*
2012-07-25 11:11:22 -04:00
1512a73575
[hb-old] Start adding HarfBuzz-old as a new backend
2012-07-25 11:11:16 -04:00
478fd0529b
Minor
2012-07-24 17:09:01 -04:00
8979a7f6f2
[Mongolian] Remove Mongolian Vowel Separator at the end of shaping
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Results match Uniscribe now.
2012-07-24 17:03:55 -04:00
aa6d849838
[CoreText] Add basic Core Text backend for comparison with our native shaping
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Does not attempt to handle clusters in a Uniscribe- or HarfBuzz-compatible way;
just returns the original string indexes that CT maintains. These may even be
out-of-order in the case of reordrant glyphs.
2012-07-24 15:52:32 -04:00
ec8d249469
Make data members of various OpenType structs protected instead of private
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Should fix warnings generated when building with -Wunused-private-field.
Based on patch from Jonathan Kew.
2012-07-24 15:40:37 -04:00
Behdad Esfahbod
Jonathan Kew