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80 Commits

Author SHA1 Message Date
Cosimo Lupo
dbc3b48879
[instancer] udpdate OS/2 class and post.italicAngle when default moved (L4) 
Previously we were only updating these when pinning wght/wdth/slnt axes.
Now we do whenever any of these axes defaults are changed, whether or not the axes are pinned or kept

Fixes https://github.com/fonttools/fonttools/issues/2885
 2022-11-09 16:33:23 +00:00
Behdad Esfahbod
6e156a7f13 [instancer] Split featureVars code into own module 
Towards fixing https://github.com/fonttools/fonttools/issues/2737
 2022-11-03 14:21:27 -06:00
Behdad Esfahbod
492645239b [varLib / instancer] Remove DSIG table from font 
Fixes https://github.com/fonttools/fonttools/issues/1480
 2022-10-28 11:42:57 -06:00
Cosimo Lupo
b74d098115
add custom repr to AxisTriple so they print nicer in the logging output 2022-10-21 18:38:55 +01:00
Cosimo Lupo
86e1202129
[instancer] expand singles/tuples to triples upfront and use triples throughout 
Also renamed AxisTent => AxisTriple because I think "tent" is more appropriate to visualize master supports (i.e. a triangle with a peak in the middle), here it's simply the new desired min, default, max values of an axis, or the axis limits.

The public facing instantiateVariableFont continues to accept a hybrid map of axis tags to single values or 2- (and now also 3-) tuples, these are normalized to an AxisLimits mapping that contains only AxisTriples and passed around to the internal methods.
 2022-10-21 17:49:35 +01:00
Behdad Esfahbod
233014117b [instancer] Adjust featureVariations retaining logic 
https://github.com/fonttools/fonttools/pull/2728#discussion_r975606307
 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
9c7ffef55e [instancer] Run black 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
e554ec1dc6 [instancer] Small fix for featureVariations instancing 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
1ff1a537e8 [instancer] Implement L4 featureVariations 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
3bdfb3e205 [instancer] Remove debug print 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
3f7b250803 [instancer] Add test for FeatureVariations limiting range 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
5ff9546531 [TupleVariation] Add __imul__ 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
fbf796a0a9 [instancer] Use minimum/maximum instead of tuple indices 
One of the cases is a bugfix in fact...
 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
e08553011a [instancer.solver] Handle when peak falls on new axis default 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
528bcdf1a2 [instancer] No need to check for scalar=1 
The scaleDeltas() function does it.
 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
d2cb561cee [instancer] L4 avar mapping 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
24cd9dc00e [instancer] Simplify avar mapping more 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
7330c78b10 [instancer] Towards L4 avar 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
d17d1355a2 [instancer] Simplify avar normalization 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
3108e52a90 [instancer] Remove redundant checks 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
e2a875b26c [instancer] Implement featureVariations L4 instancing 
I *think* this is all.
 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
8f6779d67e [instancer] Fix the rest of tests 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
5254c9354c [instancer] Fix most tests! 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
cff162579d [instancer] Fix a few more tests 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
272e4e8999 [instancer] Fix a few more tests 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
5118e3327d [instancer] Fix some more tests 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
0947ca6b6c [instancer] Fix "drop" to some extent 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
d03879607b [instancer] Make a few tests happy 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
f6ce737476 [instancer] Add assert 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
c3fa1b59ac [instancer.solver] Return None as gain tent 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
fa7b219030 [instancer] Fix fvar with range change 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
3db83dd739 [instancer] Reuse var 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
407fd13554 [instancer] No need to check for scalar=0 here; solver does 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
4b4f65dda6 [instancer] Fix fvar axis default value 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
bf55b28c50 [instancer.solver] Implement no-gain in the general solution 
This can replace the DefaultUnmoved
 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
e94f564149 [instancer.solver] Start fleshing out L4 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
eef320e974 [instancer] Err, fixups 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
89dffd51ca [instancer] Make some tests pass 
The rest of the test suite needs drastic updates :(.
 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
ac05ed19bb [instancer] Fix code move 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
8ca0dab0c0 [instancer.solver] Simplify solver 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
32be0d46ec [instancer.solver] Massage a bit 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
af9ab41d21 [instancer] Move solving code into instancer.solver module 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
7856a5cc46 [instancer] Merge pinTupleVariationAxes and limitTupleVariationAxisRanges 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
a8943d99c9 [instancer] Add an assert 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
d0e4758d3c [instancer] Minor 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
fc14158cfd [instancer] Fix setting default WWS for recent changes 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
6752d07c98 [instancer] Parse and percolate triples for axis values 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
eae0613a82 [instancer] Carry pinned locations as ranges of (value,value) in axisLimits 
Towards L4 instancing.
 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
fdaea7a1d8 [instancer] Avoid unnecessary scaling 2022-10-13 10:35:02 -06:00
Cosimo Lupo
87bbb64061
[instancer] downgrade GSUB/GPOS version if there are no FeatureVariations after instancing 
same as https://github.com/fonttools/fonttools/pull/2811 but moved the logic to _instantiateFeatureVariations directly, instead of after it
 2022-09-13 10:44:26 +01:00