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116 Commits

Author SHA1 Message Date
Cosimo Lupo
6e8e431dee
otTables: try to fix MarkBasePos subtable overflows 
Fixes https://github.com/googlei18n/fontmake/issues/450
 2018-07-19 17:52:00 +01:00
Cosimo Lupo
2798bf6d1f
otTables: print subtable type when can't split in fixSubTableOverFlows 2018-07-19 17:50:43 +01:00
Cosimo Lupo
dde854d285
Allow decompiling bad ClassDef tables with invalid format 
Fixes https://github.com/fonttools/fonttools/issues/1235
 2018-04-13 12:58:29 +02:00
Cosimo Lupo
6b6c34ab1a
otTables: fix IndexError while pruning of HVAR pre-write 2018-04-03 10:28:27 +01:00
Behdad Esfahbod
54fd71f73c [varLib/subset] Fix subsetting of GPOS variation data 
Was not picking up ValueRecord Device objects. Ouch!
 2018-02-27 18:52:07 -08:00
Behdad Esfahbod
38a0ffb815 Accept old version of HVAR XML 
21cbab8ce9 (commitcomment-27649836)
 2018-02-20 17:42:49 -08:00
Behdad Esfahbod
ef5c9cb2ab Fix pruning of HVAR pre-write 2018-02-18 22:59:43 -08:00
Behdad Esfahbod
21cbab8ce9 Fix read/write of VarIdxMap to use glyph names 
Was relying on glyph IDs. Ouch.
 2018-02-18 22:33:32 -08:00
Behdad Esfahbod
1aafae816d Allow decompiling fonts with bad Coverage format number 2017-12-14 19:03:54 -08:00
Sascha Brawer
d54f14e0a2 [morx] Cosmetic renaming of ligAction to action 
Beyond composing ligatures, AAT finite-state transducers can also
execute insertion actions without rewriting existing glyphs. The
corresponding actions have almost the same structure as ligature
actions, so we can share a lot of the plumbing within fonttools.

This renaming is in preparation of a larger change to support `morx`
ables with insertions.
 2017-10-31 16:25:41 +01:00
Sascha Brawer
5f03a64a57 [morx] Implement InsertionMorphAction 2017-10-31 14:34:12 +01:00
Sascha Brawer
86454e79de [morx] Compile ligature actions subtable for AAT ligatures 
Tests fail because other subtables still need to be implemented.
 2017-10-25 15:35:56 +02:00
Sascha Brawer
d373808341 [AAT] Decode the morx ligature actions table 2017-10-25 15:35:56 +02:00
Sascha Brawer
a7ddb0b609 [AAT] Decode morx tables with ligature substitutions 
Only handling those parts that are shared with other substitution types.
The actualy ligature actions are not implemented yet.
 2017-10-25 15:35:56 +02:00
Sascha Brawer
ee1662e57e [AAT] Support morx tables with contextual substitution 2017-09-05 23:01:21 +02:00
Sascha Brawer
31b02d0bed [AAT] Support morx tables with Rearrangement subtables 2017-09-04 21:26:53 +02:00
Sascha Brawer
90f257cc60 [AAT] Support mort and morx tables with non-contextual substitutions 
Other metamorphosis types are not yet supported and will raise an error
upon decompilation. The TTX tool catches the error and continues to emit
a hexdump of the table contents, just as before this change.
 2017-08-30 14:46:34 +02:00
Sascha Brawer
f56b71937d Add missing parts from morx branch 
After this change, the `morx` table in Zapfino.ttf can be ttx'ed again.
 2017-08-14 21:34:15 +02:00
Behdad Esfahbod
e5a9fd7faa [otTables] When splitting PairPos subtable, don't set class=0 
Doesn't matter when compiling to binary, but makes Python objects cleaner.
 2017-04-06 15:34:00 +02:00
Cosimo Lupo
23511fd302
[varLib.merger] set ClassDef{1,2}.Format using same logic as otTables.ClassDef.preWrite 2017-03-14 16:14:08 +00:00
Cosimo Lupo
7562115fc4
move calculation of NumShorts from otTables to varLib.builder 2017-03-01 17:27:41 +00:00
Sascha Brawer
706858646a Preserve ordering of glyph alternates when round-tripping through TTX 
Also fixes a bug where glyph alternates in MTI feature files were
wrongly sorted by glyph name. After this change, the output is using
the same ordering as in the input MTI feature file.

Fixes https://github.com/fonttools/fonttools/issues/833.
 2017-02-11 17:08:56 +01:00
Behdad Esfahbod
e45297bf4b Populate defaults even for tables that have postRead 
Implement custom populateDefaults for them.
 2017-02-03 14:33:57 -08:00
Behdad Esfahbod
b887860b65 Fix compiling of MultipleSubstFormat1 with zero out glyphs 
str.split('') returns [''], whereas we expect [].
Fix that.
 2017-02-02 15:49:09 -08:00
Behdad Esfahbod
3e5335d335 When promoting a lookup to Extension type, set LookupType 
Fixes https://github.com/fonttools/fonttools/issues/798
 2017-01-09 19:52:32 -08:00
Behdad Esfahbod
aeafda539b Oops! 2017-01-09 00:38:46 -08:00
Behdad Esfahbod
e4d88b5a38 Extra protection 
Fixes https://github.com/fonttools/fonttools/issues/797
Although for the XML->binary case, that bug was already fixed
on master because of the XML populate-default changes.
This adds extra protection!
 2017-01-08 23:47:29 -08:00
Behdad Esfahbod
2d3610bb6b Ignore class=0 when reading & writing ClassDef objects 
class=0 items might be added as an optimization.  They have no semantic value.
Ignore them.

Fixes the last of mtiLib tests.
 2016-12-26 17:26:14 -05:00
Behdad Esfahbod
904b1c5942 Support splitting PairPosFormat1 tables 
Fixes https://github.com/googlei18n/fontmake/issues/143
 2016-11-01 18:15:21 -07:00
Behdad Esfahbod
fb22f64ab1 [varLib] Add TODO item 2016-09-27 19:49:41 +02:00
Behdad Esfahbod
caa353d5dd [varStore] Generate variation for Anchors and store in GDEF 
Finally!  Phew...
 2016-09-27 19:49:41 +02:00
Behdad Esfahbod
687c2c1812 [varLib] Build indirect advance-width in HVAR 
Fixes VarIdxMap implementation as well.
 2016-09-27 19:49:41 +02:00
Behdad Esfahbod
32bd6bcc31 [varLib] Add optimizeVarData() 
Though not really effective right now since we don't split into
multiple VarData sets.
 2016-09-27 19:49:41 +02:00
Behdad Esfahbod
47a7dde070 [varLib] Make VarData.NumShorts automatic 2016-09-27 19:49:41 +02:00
Behdad Esfahbod
35a401f04d [varLib] Add support for VarIdxMap, aka. DeltaSetIndexMap. 
Update HVAR / VVAR to latest draft.
 2016-09-27 19:49:41 +02:00
Behdad Esfahbod
e9fb97d858 Fix overflow-fixing of Extension subtables 
Fixes https://github.com/behdad/fonttools/issues/574
This was broken by 319643ad.  Ouch!
Was quite a debugging session to pin it down.
 2016-07-12 23:55:47 -07:00
Behdad Esfahbod
c794ff85d6 Fix typo in comments 2016-06-06 22:06:33 -07:00
justvanrossum
123d7c10b6 Found a font that has an empty SingleSubst mapping. While that's silly, it's not necessarily illegal. FontTools, however, would crash with an AssertionError upon compilation. Fixed. 2016-05-28 22:20:31 +09:00
Behdad Esfahbod
c4fe9c7c57 Before splitting subtables when overflow happens, try disabling table sharing 
More bandaid for https://github.com/behdad/fonttools/issues/537
 2016-04-13 16:34:14 -07:00
Behdad Esfahbod
4268e6345d Fix splitPairPos for TTFont loaded from XML 
When loading from XML count variables are missing...

Fixes https://github.com/behdad/fonttools/issues/537#issuecomment-207849194
 2016-04-13 16:17:05 -07:00
Behdad Esfahbod
c6facc99df When splitting a large class-kerning table, mark the old subtable as DontShare 
Fixes https://github.com/behdad/fonttools/issues/537#issuecomment-196047070
 2016-04-09 13:06:16 -07:00
justvanrossum
ad386ee477 Keep Format attribute for OT subtables. This value may be ignored by the compiler but is useful for debugging. Part of fixing #92. 2016-03-21 12:12:05 +01:00
Behdad Esfahbod
c1080d9796 Implement splitting PairPosFormat2 in case of overflow 
Part of fixing https://github.com/behdad/fonttools/issues/537
 2016-03-12 18:17:37 -08:00
Behdad Esfahbod
d87d6aa39e [ot] Make sure GSUB/GPOS top arrays don't share bytes 
Fixes https://github.com/behdad/fonttools/issues/518
Fixes https://github.com/behdad/fonttools/issues/372
 2016-02-10 18:00:48 +07:00
Cosimo Lupo
af91f9e791 [otTables] replace warnings with logger 2016-01-27 19:02:48 +00:00
Behdad Esfahbod
501480fa70 Revert "[ot] Instead of deleting unnecessary Format, set it to None" 
This reverts commit 6851f66d1810a4d3f484f2a82e39960e1a677f42.

See https://github.com/typesupply/compositor/issues/7
Fixes https://github.com/behdad/fonttools/issues/475
 2016-01-22 14:03:23 +01:00
Behdad Esfahbod
8a17e925bf Revert "[ot] Deprecate, and add properties for, count values" 
This reverts commit d8803873f6d4efbcb227867fe0ac6bca370597bc.

The commit wasn't fully correct as it was not installing properties
for counts in format-switching subtables.
 2016-01-14 12:55:42 +00:00
Behdad Esfahbod
d8803873f6 [ot] Deprecate, and add properties for, count values 
Part of fixing https://github.com/behdad/fonttools/issues/447

Our own modules still set the counts.  Will fix in subsequent
commits.
 2016-01-14 12:33:09 +00:00
Behdad Esfahbod
6851f66d18 [ot] Instead of deleting unnecessary Format, set it to None 
Fixes https://github.com/typesupply/compositor/issues/7
 2016-01-14 10:47:48 +00:00
Behdad Esfahbod
f0eb7e98ca [otTables] Don't create a subclass for equivalent types 
Before, equivalent types, eg. otTables.BacktrackCoverage, etc,
where a subclass of their equivalent parent type, eg. otTables.Coverage
With this change, they are the same type.

The otBase and otConverters changes were needed to make the above
happen and still generate correct XML for SubTable type.
 2016-01-13 16:44:52 +00:00