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98 Commits

Author SHA1 Message Date
Cosimo Lupo
581416d77c
WIP: add buildPaintColrLayers 2020-11-03 19:11:24 +00:00
Cosimo Lupo
e992953474
swap xy and yx fields in COLRv1 Affine2x3 struct 
following the latest draft
See discussion at https://github.com/googlefonts/colr-gradients-spec/pull/85
 2020-10-30 19:29:59 +00:00
Cosimo Lupo
b654554109
add {First,Last}LayerIndex to PaintColorGlyph 
as proposed in https://github.com/googlefonts/colr-gradients-spec/issues/86

The name of PaintColorGlyph may still change to PaintColorSlice, or PaintColrSlice, or PaintColorGlyphSlice, etc."
https://github.com/googlefonts/colr-gradients-spec/pull/87
 2020-10-27 12:47:10 +00:00
Cosimo Lupo
73073be3c2
Affine2x3 struct should be inlined inside PaintTransform 
Not pointed to by an Offset32.
Thanks Dominik for spotting this!
 2020-10-12 14:32:23 +01:00
Cosimo Lupo
7f6a05b007
otData: add new COLR Paint struct definitions, update to latest draft 
Update C_O_L_R_test.py accordingly.

a
 2020-10-09 19:36:35 +01:00
Cosimo Lupo
09c0e42031
Partly revert "use 32-bit GlyphIDs in COLRv1 baseGlyphs and layers" 
This reverts commit 690080b14d9a4f193092ffc172a39b3e212d307c.

We keep 16-bit GlyphIDs for COLRv1 tables, at least for now
https://github.com/googlefonts/colr-gradients-spec/pull/24

I keep the GlyphID32 converter in case we may need it in the future.
 2020-07-08 16:06:45 +01:00
Cosimo Lupo
ff79338607
rename radial gradient Paint.Affine attribute to Transform 
as suggested by Peter Constable in
https://github.com/PeterConstable/OT_Drafts/blob/master/COLR_V1/COLRv1formats_rev3.md#paintformat3-table-conicalradial-gradient
 2020-07-02 12:21:12 +01:00
Cosimo Lupo
ac0a755d20
make linear/radial gradient 'point-less', inline x0,y0,x1,y1,... 
https://github.com/googlefonts/colr-gradients-spec/issues/21
 2020-07-02 12:11:40 +01:00
Cosimo Lupo
dea9896421
rename COLR Color -> ColorIndex, transparency to alpha 
https://github.com/googlefonts/colr-gradients-spec/issues/17
https://github.com/googlefonts/colr-gradients-spec/issues/19
 2020-07-02 10:27:47 +01:00
Cosimo Lupo
ff7dc9a1c5
Rename: Var* types: Scalar->Fixed, NormalizedScalar->F2Dot14, etc. 
VariablePosition -> VarInt16
VariableDistance -> VarUInt16

cf. https://github.com/googlefonts/colr-gradients-spec/issues/17
 2020-07-01 20:13:14 +01:00
Cosimo Lupo
690080b14d
use 32-bit GlyphIDs in COLRv1 baseGlyphs and layers 
For forward-compatibility, see https://github.com/googlefonts/colr-gradients-spec/issues/8
 2020-07-01 19:50:48 +01:00
Cosimo Lupo
b215c000df
Rename LayerV1Array to LayerV1List, like with BaseGlyphV1List 
See https://github.com/googlefonts/colr-gradients-spec/issues/14#issuecomment-652542829
 2020-07-01 18:22:03 +01:00
Cosimo Lupo
5f18d9891c
rename BaseGlyphV1Array to BaseGlyphV1List 
As suggested by Peter Constable in https://github.com/googlefonts/colr-gradients-spec/issues/14 and https://github.com/googlefonts/colr-gradients-spec/issues/18
 2020-07-01 18:16:07 +01:00
Cosimo Lupo
d2bbfdb610
Merge remote-tracking branch 'origin/master' into otdata-colr 2020-03-12 17:42:56 +00:00
Cosimo Lupo
49d504d970
otData: fix Offset decriptions for COLRv1 subtables 2020-03-11 19:01:26 +00:00
Simon Cozens
ab075a9957 Annotate LookupFlag ttx dump 2020-03-10 21:42:28 +00:00
Cosimo Lupo
c42c4162c2
add otConverter for namedtuples and use it for Variable{Scalar,Position,Distance} 
in COLRv1 all scalar values have associated varIdx to support variations. I want to load them as
immutable namedtuples, and also I want to dump them as simple XML tags with 'value' and 'varIdx'
attributes, instead of normal otTables (i.e. with nested Value and VarIdx sub-elements) as
that would make them too verbose in the XML dump.
So I made a custom _NamedTupleConverter, as a base class for VariableScalar, etc.; sub-classes
must provide a tupleClass and a list of converterClasses for each namedtuple field.

The ExtendMode enum has also a custom converter to dump it as string in the XML, and load it
as IntEnum.

fixup
 2020-03-06 18:35:32 +00:00
Cosimo Lupo
d2026bd651
WIP: otData: define draft COLRv1 structures 
https://docs.google.com/document/d/1EPndWsdMK_M135FOIxQZ--dHpH727rXEBvLZqgIzZvs/edit#
 2020-02-11 16:33:38 +00:00
Cosimo Lupo
73b715732a
otData: define COLRv0 structures 2020-02-04 17:00:20 +00:00
Behdad Esfahbod
9df78f303b [otData] Support BASE table version 1.1 2019-10-31 11:45:49 -07:00
Nikolaus Waxweiler
01328213c7 Remove __future__ imports 2019-08-09 12:20:13 +01:00
Sascha Brawer
4a1871ff62 [morx] Support AAT action type to insert glyphs 2018-09-24 18:14:01 +02:00
Paul Linnerud
df429df9ec TSIC Support for Visual TrueType 
TSIC is a source table for Visual TrueType to maintain sources for the cvar variation table.
 2018-08-22 16:48:42 -07:00
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
67814fd3b3 [subset] Prune GDEF VarStore 
Mostly fixes https://github.com/fonttools/fonttools/issues/1179
 2018-02-18 19:20:00 -08:00
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
Cosimo Lupo
28bb992c1f replace int(round(...)) with round(...) 
We don't need to cast to int when using the round function from py23,
as this is a backport of python3's built-in round and thus it returns
an int when called with a single argument.
 2017-10-22 12:03:52 +01:00
Martin Hosken
0aab423993 Tidy up PR 2017-09-19 15:45:44 +02:00
Martin Hosken
eb9eebf972 Use glyph names not glyph ids 2017-09-19 15:45:44 +02:00
Martin Hosken
860a8e0522 Handle all Graphite tables now 2017-09-19 15:45:44 +02:00
Sascha Brawer
db0d193db6 [AAT] Support cidg table with CID-to-glyph mapping 2017-09-06 12:52:22 +02:00
Sascha Brawer
0f05f824d2 [AAT] Support gcid table with glyph-to-CID mapping 2017-09-06 01:40:49 +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
92124ee5a6 [AAT] Implement anchor point table 
The AAT `ankr` anchor point table is an auxiliary table for `kerx`,
used to store anchor overrides in case the glyph itself does not
supply the needed anchors as control points. Among the fonts that
come pre-installed with MacOS 10.12.6, `ankr` is used by a handful
of non-Latin fonts such as “Myanmar MN”, “Devanagari Sangam MN”,
and “Arial HB”.

https://developer.apple.com/fonts/TrueType-Reference-Manual/RM06/Chap6ankr.html
 2017-08-31 11:45:18 +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
13fe9b5c34 [AAT] Make lcar ligature carets table a format-switching table 
For consistency with other AAT tables, and to support additional
formats in the (rather unlikely) case those would ever be defined.
 2017-08-25 14:53:43 +02:00
Sascha Brawer
f5793401ce [AAT] Implement bsln baseline table 
The AAT baseline table uses arrays whose length is constant instead of
getting encoded in the data. Extended otBase to support such arrays.
 2017-08-25 03:55:06 -07:00
Sascha Brawer
a47f658855 [AAT] Support the opbd table with optical bounds 
Interestingly, this can handle the examples from the AAT specification
(which are part of the unit tests), and also most AAT fonts on my disk.
However, some other AAT fonts such as Apple Chancery cannot be decompiled.
The failure seems to be a general problem with how fonttools decompiles
AAT lookups of format 4, and unrelated to this present change.
 2017-08-18 08:39:44 -07:00
Sascha Brawer
d05617b4bd [AAT] Support prop table with glyph properties 2017-08-17 11:09:53 -07:00
Sascha Brawer
77876e8df4 [AAT] Add table definitions for lcar table 
After this change, fonttools is able to dump the `lcar` table of
the AppleChancery font to XML. However, the resulting XML cannot
be compiled back to TrueType, yet. So, something is still broken
with the implementation of AAT lookups. Need to do more testing
before the support for table `lcar` can be added to fonttools.
 2017-08-16 02:42:55 +02:00
Sascha Brawer
020f7391ef [morx] Parametrize AATLookup value type in otData 2017-08-14 21:34:15 +02:00
Sascha Brawer
7f774ae84c [morx] Change MorphType to uint8, to comply with the spec 2017-08-14 21:34:15 +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
Rob McKaughan
b8e2d90cda Add AxisValueFormat4 for STAT table v1.2 from OT v1.8.2. 2017-07-24 16:12:31 -07:00
Miguel Sousa
4a8c1511ec [otData] Label AxisNameID as NameID 2017-07-14 00:08:52 -07:00
Behdad Esfahbod
0cc1721b8d [MVAR] Update for OT 1.8.1 rename 2017-01-10 11:01:06 -08:00
Behdad Esfahbod
b4d53811e9 Implement MVAR table 2016-12-18 21:55:45 -06:00
Denis Moyogo Jacquerye
250017289b Revert "[STAT] It was decided to NOT bump minor version..." 
This reverts commit 06de8ce81824f737a1e35bfb00b1f68db767037e.
 2016-12-12 16:42:55 +00:00
Behdad Esfahbod
06de8ce818 [STAT] It was decided to NOT bump minor version... 
...since no one implements STAT so far.  So, version stays at 1.0.
 2016-12-07 18:11:50 -08:00