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1525 Commits

Author SHA1 Message Date
Cosimo Lupo
4dcc7f83d2
otTables: add Paint.traverse method 
paint graph traversal mostly adapted from rsheeter's https://github.com/googlefonts/nanoemoji/pull/233
 2021-02-15 11:12:16 +00:00
Cosimo Lupo
4036512a27
C_O_L_R_: factor out method to convert v0 layer records to dict of list 
we'll need that when we subset the COLRv0 portion of a COLRv1 table
 2021-02-15 11:12:16 +00:00
rsheeter
404072ee99
Fix descriptions in Lib/fontTools/ttLib/tables/otData.py 
Co-authored-by: Cosimo Lupo <cosimo@anthrotype.com>
 2021-02-15 10:42:59 +00:00
rsheeter
2df3fed98a
Prevent otConverters from ignoring the 'template' type when field name is also a type 2021-02-15 10:42:58 +00:00
rsheeter
f1ecccbbb8
Begin updating for static vs variable versions of COLR v1 Paint 2021-02-15 10:42:55 +00:00
rsheeter
5316ae4b8c Add test to expose missed otRound + fix 2021-02-12 20:23:06 -08:00
rsheeter
0353c809cd Update COLR build fns per review feedback 2021-02-12 10:02:08 -08:00
rsheeter
cf4a4087be Generic build fns 2021-02-10 09:40:37 -08:00
Cosimo Lupo
df672a7ae4
move PaintFormat enum outside of Paint class nested scope 
When a TTFont is loaded with lazy=True, the otTables are only loaded upon BaseTable.__getattr__
when the requested attribute is not found in the instance __dict__.
Since the Paint.Format enum was defined at class level, every Paint instance, even when loaded
lazily, will have a 'Format' attribute and the magic decompile-on-missing-attribute will not
trigger, since the class attribute will be returned when the instance is missing one.

For this reason, and to not add further special cases, it's better to simply move this Paint.Format
enum class outside to the module level scope, and rename it PaintFormat.
 2021-02-05 12:11:43 +00:00
Cosimo Lupo
a3d13abcff
otData: fix typo, add comments 2021-02-04 11:32:22 +00:00
Cosimo Lupo
93c23eaaf7
COLRv1: define new PaintSweepGradient, amend tests with new format numbers 2021-02-03 18:21:09 +00:00
Cosimo Lupo
538528d5a1
COLRv1: Implement PaintTranslate 
https://github.com/googlefonts/colr-gradients-spec/pull/163
 2020-12-15 16:58:31 +00:00
rsheeter
d888526659 Hook up paint skew and rotate 2020-12-02 21:21:19 -08:00
rsheeter
4171e28f32 Update ttLib/tables to latest spec 2020-11-10 21:51:04 -08:00
rsheeter
f531038bf9 Start hooking up revised PaintColrLayers 2020-11-04 14:36:43 -08:00
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
6c752f677f
rename Paint{ColorGlyph,ColrSlice} 2020-10-27 19:15:50 +00:00
Cosimo Lupo
d5e645a3c9
define Table.writeNullOffset() in subclasses; add comment as per review feedback 2020-10-27 18:35:36 +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
fc625963fa
otTables: dump the format name of Paint tables as XML comment 2020-10-20 19:03:17 +01:00
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
c7e3a692e1
otBase: support FormatSwitchingBaseTable with uint8 Format type 2020-10-08 12:39:56 +01:00
Cosimo Lupo
d60d84d3fc
otBase/otConverters: add support for 3-byte offsets 2020-10-08 12:39:54 +01:00
Simon Cozens
7135255d4a Style nits 2020-09-11 09:35:45 +01:00
Simon Cozens
95a941ec15 Re-case debug info module 2020-09-11 09:31:07 +01:00
Simon Cozens
af4f1f6d6e Prefer module constant to hard-coded string for Debg table key 2020-09-10 16:00:06 +01:00
Simon Cozens
02c305c2fc Serialize JSON object before writing to XML 2020-09-10 13:22:33 +01:00
Simon Cozens
4e70b30eb0 Ensure LookupCount is processed 2020-09-10 08:29:15 +01:00
Simon Cozens
98803b7bf8 Reformat, tidy from review comments 2020-09-09 19:56:55 +01:00
Simon Cozens
41c1dcce1c Tidy up as per review 2020-09-09 19:56:44 +01:00
Simon Cozens
4cddc38263 Use a named tuple, tidy ttx dump code 2020-09-09 19:56:05 +01:00
Simon Cozens
b548c5f2e1 Namespace debug output. 2020-08-25 20:22:54 +01:00
Simon Cozens
50e1105604 Parse Debg info in LookupList 2020-08-25 20:19:31 +01:00
Simon Cozens
aebb2e511c The long-threatened Debg table! 2020-08-25 14:06:14 +01:00
Just van Rossum
bec19252c5
[ttLib] Fix for #2044: fix maxp.maxComponentDepth calculation (#2045) 
Fix for #2044: don't overwrite the initial maxComponentDepth variable, as this will give the wrong value when there are multiple nested components.
 2020-08-14 20:13:01 +02:00
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
Just van Rossum
dc7d016538
[ttLib.tables._n_a_m_e] Fix #1997: Only attempt to recovered malformed data from bytes (#1998) 
* don't attempt to recover malformed data from str, only from bytes. Fixes #1997
 2020-06-16 16:35:40 +02:00
Just van Rossum
90c7c7fae1
Fix for #1985: ensure that the AxisNameID in the STAT table is > 255 (#1986) 
Fix for #1985:
* ensure that the AxisNameID in the STAT table is not less than 256. This needed an additional argument to the addMultiLingualName() name table method.
* fvar axis name IDs must also not be less than 256, just like STAT axis names.
 2020-06-08 19:39:28 +02:00
Guillaume Ayoub
2a1f09dbb2 Don’t calculate whole sets of unicode codepoints 
_getUnicodeRangeSets used to calculate sets containing lots of numbers, only to
get intersections between a set and ranges. Creating and manipulating a lot of
big sets requires a lot of memory.

The function has been replaced by _getUnicodeRanges, returning a list of range
starts boundaries and a list of range stops + corresponding bits.

Tests on intersectUnicodeRanges save about 130 MB (!) of RAM, with no
significant speed penalty.
 2020-06-05 11:28:18 +02:00
Cosimo Lupo
9d8a7e27fe
[COLR] should set self.version after decompiling COLRv1 
we set self.version for COLRv0 already; makes easier to check COLR.version
 2020-05-21 16:57:35 +01:00
Just van Rossum
db26cf804e
[ttLib.name] Fix findMultilingualName() (#1963) 
* when reading from binary, name.string may be an encoded bytes sequence: we should call toUnicode() before we compare to the requested string

* fix expected output
 2020-05-16 11:29:23 +02:00