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Author SHA1 Message Date
Behdad Esfahbod
05b1bed63b [varLib] Towards truly optimal IUP DP solution wrt circularity 2017-05-31 19:58:12 -04:00
Behdad Esfahbod
4a27f60d35 [varLib] More refactoring 2017-05-31 19:22:48 -04:00
Behdad Esfahbod
5ee58772cf [varLib] Improve IUP DP 
Previously, it was always encoding first and last point.  Now it only always
encodes last point.  Soon resolving that too.  Shows another 0.5% savings in
gvar table size with Noto Sans Arabic.
 2017-05-31 19:14:17 -04:00
Behdad Esfahbod
0b8c9e3a0c Revert "[varLib] Flip IUP DP to go back-to-front" 
This reverts commit 3e35441c805b03d6d6eea5b24ce44f555c5fad56.

The DP is cleaner to work out front-to-back.
Will achieve the same effect by flipping the lists in a later commit.
 2017-05-31 19:11:30 -04:00
Behdad Esfahbod
28ce62b782 [varLib] Refactor DP code into functions 2017-05-31 19:06:42 -04:00
Behdad Esfahbod
7db5868dba [varLib] Minor 2017-05-31 19:00:33 -04:00
Behdad Esfahbod
c79c27a841 [varLib] Add commentary of IUP DP mechanism 2017-05-29 16:13:46 -04:00
Behdad Esfahbod
3e35441c80 [varLib] Flip IUP DP to go back-to-front 
Saves a few bytes (really, a few!).
 2017-05-29 16:03:42 -04:00
Behdad Esfahbod
eeb13bba88 [varLib] Prepare IUP DP code to go back-to-front 
That would produce smaller point numbers, which sometimes, results in
smaller encoding.
 2017-05-29 15:59:29 -04:00
Behdad Esfahbod
c87c592d9e [varLib] Minor IUP renaming 
Same functionality
 2017-05-29 15:29:20 -04:00
Behdad Esfahbod
db8d0eeb5f [varLib] Speed up IUP optimization DP by 7.5x! 2017-05-29 15:06:55 -04:00
Behdad Esfahbod
2e80784ca7 [varLib] Use geometric distance for tolerance calculations 2017-05-28 23:45:36 -07:00
Behdad Esfahbod
1d148b10c5 [varLib] Start implementing optimal IUP solution 
Not optimal right now, since first and last point are always included.
Also rather slow.  Takes about 12s for NotoSansArabic, and saves just
one percent in gvar size with a tolerance of 0.5 font units.
 2017-05-28 23:45:36 -07:00
Cosimo Lupo
9785e0e92d
Bump version: 3.13.0 → 3.13.1.dev0 2017-05-24 11:56:18 +01:00
Cosimo Lupo
6fc7671360
Release 3.13.0 2017-05-24 11:52:11 +01:00
Cosimo Lupo
d429fdafab
Update changelog 2017-05-24 11:51:42 +01:00
Cosimo Lupo
fd3cd6f367 Merge pull request #969 from fonttools/varlib-iup 
Varlib iup
 2017-05-24 11:44:59 +01:00
Cosimo Lupo
41fb1ba1bc Merge pull request #975 from googlei18n/master 
[varLib.interpolate_layout] Allow disabling avar mapping
 2017-05-24 10:07:08 +01:00
Cosimo Lupo
a4861a16cc
use logging.warning() instead of deprecated logging.warn() 
functionality is identical, the latter is deprecated:
https://docs.python.org/3/library/logging.html#logging.Logger.warning
 2017-05-24 09:49:37 +01:00
Cosimo Lupo
a3d199e06c Merge pull request #974 from khaledhosny/warnings 
Use logging module for a couple of warnings
 2017-05-24 09:46:54 +01:00
Khaled Hosny
61670fc652 Use logging module for these warnings 
Not sure if warnings module was used intentionally here, but the
messages looked odd compared to other FontTools messages.
 2017-05-24 10:00:55 +02:00
Behdad Esfahbod
c96f83cc30 [varLib.interpolate_layout] Allow disabling avar mapping 
See https://github.com/fonttools/fonttools/issues/950#issuecomment-303641054
 2017-05-24 00:26:35 -07:00
Cosimo Lupo
9b2967fa39 Merge pull request #971 from mt-caret/fix-ttx-tests 
Fix broken ttx tests
 2017-05-23 12:01:16 +02:00
Behdad Esfahbod
dbc54a2429 [varLib.models] Mark VariationModel.interpolateFromDeltasAndScalars static 
This correctly reflects that all we need to interpolate is deltas and
scalars.
 2017-05-23 01:01:07 -07:00
Behdad Esfahbod
39d059ef08 Revert "[varLib.models] Minor" 
This reverts commit 49df768cd3d1dd2c39933e3c07d214013d50ef60.

That was accidentally pushed!
 2017-05-23 00:54:23 -07:00
Behdad Esfahbod
7ee1d2e2d5 [varLib.merger] In InstancerMerger, compute scalars once 
Using new VariationModel API to separate scalar calculation from
interpolation.
 2017-05-23 00:54:11 -07:00
Behdad Esfahbod
bc546dec10 [varLib.models] Add VariationModel.interpolateFromMastersAndScalars() 2017-05-23 00:54:11 -07:00
Behdad Esfahbod
53b7ea4612 [varLib.models] Add VariationModel.interpolateFromDeltasAndScalars() 2017-05-23 00:54:11 -07:00
Behdad Esfahbod
489c80c83b [varLib.models] Add VariationModel.getScalars() 
To factor out scalar computation out of each interpolation.
 2017-05-23 00:54:11 -07:00
Behdad Esfahbod
adc4fe960e [varLib.models] Remove unused line 2017-05-23 00:54:11 -07:00
Behdad Esfahbod
fdbe93e33c [varLib.models] Minor; move computing scalars out of inner loop 2017-05-23 00:54:11 -07:00
Behdad Esfahbod
49df768cd3 [varLib.models] Minor 2017-05-23 00:31:48 -07:00
Behdad Esfahbod
877ac7540c Fix test after 0ed2df3f22bd4172e439b8deeb2070e3f62b26d3 
interpolate_layout now accepts axis names in designspace name
format, NOT axis tags.
 2017-05-23 00:31:15 -07:00
Behdad Esfahbod
a08fb27f17 [varLib.models] Minor 2017-05-23 00:26:53 -07:00
Behdad Esfahbod
0ed2df3f22 [varLib.interpolate_layout] Import designspace-loading logic from varLib 
When varLib was updated for avar table, this was not.  Share code such
that they don't get out of sync again.  All of this to be made into
proper API some time...
 2017-05-22 19:40:20 -07:00
Behdad Esfahbod
245d457fe6 [varLib.interpolate_layout] Change finder to master_finder 
To be in line with varLib.build().
 2017-05-22 18:46:41 -07:00
Masayuki Takeda
c4fcb2da3d add test font files to MANIFEST 2017-05-22 11:53:19 +09:00
Behdad Esfahbod
81498e5baf [varLib] Fix bug with recombining PairPosClass2 subtables that don't 
Ouch.  I have no idea why I made two separate if's to begin with, but the
continue should have also been aligned with the inner block...

Fixes root cause of https://github.com/fonttools/fonttools/issues/914
but now we hit an unimplemented feature there...
 2017-05-20 23:03:25 -07:00
Behdad Esfahbod
997c073e26 [varLib.mutator] Implement IUP 2017-05-20 22:13:51 -07:00
Behdad Esfahbod
10ff112e6a [varLib.mutator] Inching towards implementing IUP 2017-05-20 21:08:11 -07:00
Behdad Esfahbod
462b7f8683 [cffLib.specializer] When copying iterables, cast to list specifically 
See 41445b8449
 2017-05-20 18:34:20 -07:00
Jens Kutilek
92c8b3f754 Add test and test data for mutator with interpolated points 2017-05-18 16:40:33 -07:00
Behdad Esfahbod
bfb4a2c648 [varLib] Pass down tolerance to IUP routines 2017-05-18 16:29:02 -07:00
Behdad Esfahbod
74f6715f27 [varLib] Minor speedup 2017-05-18 16:08:36 -07:00
Behdad Esfahbod
af041259ee Fix tests for recent changes 2017-05-18 16:06:10 -07:00
Behdad Esfahbod
3db5be2195 [gvar] Remove GlyphCoordinates.__abs__() 
It's not wel-defined, as abs typically is supposed to return a scalar...

Also combine the tolerance-check with the zero-check in varLib.
 2017-05-18 16:06:10 -07:00
Behdad Esfahbod
e46f94950c Change GlyphCoordinates.__bool__() semantics... 
...to match those of other iterables.

I confused myself once already by having "if not delta" where delta was a list,
not GlyphCoordinates...
 2017-05-18 16:06:10 -07:00
Behdad Esfahbod
e8571ee5e0 [varLib] Only use sparse points (ala IUP encoding) if cheaper 
For now, this makes us encode one point per contour if feasible.
 2017-05-18 16:06:10 -07:00
Behdad Esfahbod
f8c970568c [varLib] Fix assert condition in _optimize_delta for empty contours 2017-05-18 16:06:10 -07:00
Behdad Esfahbod
52e2e2f930 [varLib] make _optimize_contour work with lists 2017-05-18 16:06:10 -07:00