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129 Commits

Author SHA1 Message Date
Behdad Esfahbod
a1641d91b2 Newer black 2024-05-22 18:46:07 -06:00
Behdad Esfahbod
e88e47f8ff [VARC] Take a stab at instancing 2024-05-22 18:46:07 -06:00
Behdad Esfahbod
902b2a194e [VARC] Fix scaleUpem 
Instancing left.
 2024-05-22 18:46:07 -06:00
Behdad Esfahbod
c91984ef77 [VARC] Use sparse-regions in MultiVarStore 
Might revert as the savings are small.
https://github.com/harfbuzz/boring-expansion-spec/issues/103#issuecomment-1861531669
 2024-05-22 18:46:06 -06:00
Behdad Esfahbod
2ca627dc5b [VARC/instancer] Fix 2024-05-22 18:46:06 -06:00
Behdad Esfahbod
57dd288d1b [VARC/instancer] Comment 2024-05-22 18:46:06 -06:00
Behdad Esfahbod
27e5182677 [VARC/instancer] Implement 2024-05-22 18:46:01 -06:00
Behdad Esfahbod
bcd5e4c216 Rip out glyf1 VarComposites 
In favor of separate VARC table.

ttGlyphSet does NOT yet know how to draw VARC table though.

The 9 failing tests are all VarComposite-related and need
to be updated with VARC equivalents eventually when we
add VARC support to subsetter and instancer.
 2024-05-22 18:45:27 -06:00
Behdad Esfahbod
5dca3c5a50 [instancer] Warn about missing VORG support 2024-05-17 12:44:29 -07:00
Behdad Esfahbod
4b62d5efe9 [instancer] Set VarDataCount 2024-05-17 12:25:20 -07:00
Behdad Esfahbod
15af3425e9 [instancer] Add --downgrade-cff2 2024-05-17 11:45:35 -07:00
Behdad Esfahbod
9ffcabd360 [instancer] Remove resolved TODO 2024-05-17 11:41:06 -07:00
Behdad Esfahbod
0a7433f847 [cffLib] Add CFF<->CFF2 convertors that work on otFont 2024-05-16 16:29:22 -07:00
Behdad Esfahbod
39ec4e6c0c [cffLib] Add CFFToCFF2 and CFF2ToCFF cmdline and module 
The CFF2ToCFF module is rather solid, at least IMO.

This takes convertCFFToCFF2 from cffLib. Apparently there's a more
complete one in varLib.cff:

https://github.com/fonttools/fonttools/issues/1835

Should merge the two and finish them.
 2024-05-16 10:47:24 -07:00
Behdad Esfahbod
60e30fe008 [cffLib] Add a simple (and quite possibly incomplete) convertCFF2ToCFF() 2024-05-15 17:33:00 -07:00
Behdad Esfahbod
c06e8ba1e8 [instancer/CFF2] Comment 2024-05-14 18:26:35 -06:00
Behdad Esfahbod
3d2df43a67 [instancer/CFF2] Comment 2024-05-14 17:13:21 -06:00
Behdad Esfahbod
b3dc48a967 [instancer/CFF2] Micro-optimize commands 2024-05-14 13:39:09 -06:00
Behdad Esfahbod
1011d7e996 [instancer/CFF2] Add another test 2024-05-14 13:34:20 -06:00
Behdad Esfahbod
6d915fc816 [instancer/CFF2] Add test 2024-05-14 12:28:00 -06:00
Behdad Esfahbod
1891a7220d [instancer/CFF2] Fixups 2024-05-14 11:11:39 -06:00
Behdad Esfahbod
385c2cb979 [instancer/CFF2] Instantiate private-dict values 2024-05-14 11:11:25 -06:00
Behdad Esfahbod
bdd42f14fc [instancer/CFF2] Fixups with used-vsindex handing 
vsindex 0 is implied.

Also, add Unimplemented code for private-dict variable
values. I couldn't find any fonts using them, so for
now they remain unimplemented.
 2024-05-14 01:15:04 -06:00
Behdad Esfahbod
68f87dd850 [instancer/CFF2] Fix tests 
gvar is removed by the time we get to hmtx/vmtx subsetting.
 2024-05-14 00:47:39 -06:00
Behdad Esfahbod
21fb882e67 [instancer/CFF2] Prune ununsed data 2024-05-14 00:35:09 -06:00
Behdad Esfahbod
6f85ebb02c [instancer/CFF2] Full-instancing 2024-05-14 00:11:29 -06:00
Behdad Esfahbod
ae18197f6f [instancer/CFF2] Instantiate hmtx/vmtx 2024-05-14 00:11:29 -06:00
Behdad Esfahbod
c9ed0d1348 [instancer/CFF2] Minor sanity check 2024-05-14 00:11:29 -06:00
Behdad Esfahbod
f6c72eabf9 [instancer/CFF2] Add specialize and generalize arguments 2024-05-14 00:11:29 -06:00
Behdad Esfahbod
bb9a23702b [instancer] Instantiate CFF2! 2024-05-14 00:11:29 -06:00
Behdad Esfahbod
969d09dcaf [instancer] Fix name decision-making 
All limits are tuple these days.
 2024-05-14 00:10:50 -06:00
Behdad Esfahbod
e724acd41e [instancer] Raise NotImplementedError if avar2 VarStore present 2024-04-15 08:21:14 -06:00
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
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
3573cd906b Recalc avgcharwidth after instancing 2023-10-30 10:11:31 +00:00
Behdad Esfahbod
0893ba93f8 [instancer/L4] Address review comments 2023-07-11 08:46:46 -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
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
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