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151 Commits

Author SHA1 Message Date
Cosimo Lupo
345d6b2f81 [instancer] drop explicit no-op axes from tuplevariations 
Fixes #3453
 2024-03-04 15:25:48 +00:00
Khaled Hosny
cf08265cd5 Black 2024-02-06 15:47:35 +02:00
Qunxin Liu
3e548ff29c fix bug in instancer iup optimization 
pass in correct value to tolerance
 2024-01-25 16:18:24 -08:00
Just van Rossum
4826f9b016
Fix help string for AXIS=LOC 2023-12-11 15:59:30 +01:00
Behdad Esfahbod
8728789c05 [instancer] Don't produce triples outside <-1,0,+1> 
Fixes https://github.com/fonttools/fonttools/issues/3350
 2023-12-06 10:22:11 -05:00
Cosimo Lupo
69636098bd
[instancer] Ensure hhea vertical metrics stay in sync with OS/2 ones after instancing 
Fixes https://github.com/fonttools/fonttools/issues/3297
 2023-11-15 14:05:44 +00:00
Cosimo Lupo
74da89beeb
Merge pull request #3317 from fonttools/instantiate-avgcharwidth 
Recalc avgcharwidth after instancing
 2023-11-03 10:12:07 +00:00
Behdad Esfahbod
ae69e9e8be
[instancer] Allow relaxed limits syntax (#3323) 
* [instancer] Allow relaxed limits syntax

Fixes https://github.com/fonttools/fonttools/issues/3322

Co-authored-by: Cosimo Lupo <clupo@google.com>
 2023-11-02 10:22:23 -06:00
Behdad Esfahbod
2d9b80acd1 [instancer] Remove unused import 2023-11-01 15:11:56 -06:00
Simon Cozens
49570c3599
[instancer] Check if an axis has values before requiring it to be found (#3319) 
* Check if an axis has values before requiring it to be found

* Add test
 2023-10-31 08:21:34 +00:00
Simon Cozens
3573cd906b Recalc avgcharwidth after instancing 2023-10-30 10:11:31 +00:00
Behdad Esfahbod
f1e56cd757 [instancer.solver] Fix case where axisDef < lower and upper < axisMax 
Fixes https://github.com/fonttools/fonttools/issues/3291
 2023-10-16 13:46:39 -06:00
Behdad Esfahbod
b0cf3e1ebe [instancer] Allow null ConditionSet 
Fixes https://github.com/fonttools/fonttools/issues/3211
 2023-07-19 19:55:42 -06:00
Behdad Esfahbod
0893ba93f8 [instancer/L4] Address review comments 2023-07-11 08:46:46 -06:00
Behdad Esfahbod
71cca00b05 [instancer/L4] Remove an unreachable code path and better comment 2023-06-21 19:01:27 -06:00
Behdad Esfahbod
ddc484d384 [instancer/L4] Add a comment 2023-06-21 18:30:19 -06:00
Behdad Esfahbod
10bc7a804a [instancer/L4] Implement an optimization 2023-06-21 17:52:12 -06:00
Behdad Esfahbod
204532aee3 [instancer/L4] Misc fixes and fix tests 2023-06-21 15:09:56 -06:00
Behdad Esfahbod
43e5aae018 [instancer/L4] Fix avar mapping as well 2023-06-21 15:09:56 -06:00
Behdad Esfahbod
72b6102949 [instancer/L4] Fix normalizeValue for L4 solver 
Imagine a font with current min/default/max of 100,700,1000. And new
setting of 100,400,1000. The current normalizeLocation will calculate
the new location for 700 to be +.33, whereas it should calculate +.5!
This is because 400 translates to -.5, so 700 will be normalized to
-1,-.5,+1 and get +.33...

We need a special normalizeLocation that is aware of the "distance"
between min/default/max, ie. the non-normalized values. Then it will be
clear that the distance from 400 to 700 is equal to 700 to 1000, and as
such 700 should be normalized to .5, not .33... I'm still trying to
figure out the case where avar is present.

Store this distance in NormalizeAxisLimit and reach it out in the
solver.

Fixes https://github.com/fonttools/fonttools/issues/3177
 2023-06-21 15:09:56 -06:00
Behdad Esfahbod
94e081611c [instancer/L4] Further simplify 
outGain is always zero in this branch.
 2023-06-21 15:09:56 -06:00
Behdad Esfahbod
7385cbbc34 [instancer/L4] Simplify 2023-06-21 15:09:56 -06:00
Behdad Esfahbod
023ad3a363 [instancer/L4] Fix crossing calculation 2023-06-21 15:09:56 -06:00
Behdad Esfahbod
3ba7e6d706 [instancer-solver] Fix a bug 
Fixes https://github.com/fonttools/fonttools/issues/3139
 2023-05-29 17:39:02 -06:00
Behdad Esfahbod
33a94d820d [instancer/VarComposite] Allow instancing non-variable VarComposite axes 2023-01-30 11:26:20 -07:00
Behdad Esfahbod
e4c25d02e6 [instancer/VarComposite] Raise NotImplementedError when warranted 2023-01-30 11:26:20 -07:00
Behdad Esfahbod
0d24114ad0 [varLib/VarComposite] Plug in in a couple places 2023-01-30 11:26:20 -07:00
Behdad Esfahbod
7899dd8dbc [instancer] Limit axis ranges to that of fvar 
Fixes https://github.com/fonttools/fonttools/issues/2959
 2023-01-26 11:47:25 -07:00
Nikolaus Waxweiler
d584daa8fd Blacken code 2022-12-13 11:26:36 +00:00
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
672c4bacdd [instancer.featureVars] Address review comments 2022-11-04 11:55:48 -06:00
Behdad Esfahbod
392706949c [instancer.featureVars] Fix deficiency in L4 instancing 
See discussion on the issue.  I think I got this right.

Fixes https://github.com/fonttools/fonttools/issues/2737
 2022-11-03 14:55:01 -06:00
Behdad Esfahbod
1b6f4fb858 [instancer.featureVars] Minor adjustments 2022-11-03 14:54:47 -06:00
Behdad Esfahbod
ecfcdffe9f [instancer.featureVars] Combine two functions 
Fold _limitFeatureVariationRecord() into
_instantiateFeatureVariationRecord().
 2022-11-03 14:22:02 -06:00
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
bce11dfc85 [instancer.solver] Improve diagram for a case 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
36bf633555 [instancer.solver] Format 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
b54ac734cc [instancer.solver] Add assertion 2022-10-13 10:35:02 -06:00
Behdad Esfahbod
aabced171e [instancer.solver] Fix case3 with gain 
Ouch!
 2022-10-13 10:35:02 -06:00