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120 Commits

Author SHA1 Message Date
Behdad Esfahbod
03e8f2e461 [interpolatable] Minor 2017-02-21 12:01:10 -06:00
Behdad Esfahbod
65e5c257ed [interpolatable] Remove stale commit and uncomment code 2017-02-21 12:01:10 -06:00
Behdad Esfahbod
f3224d7d34 Move StatisticsPen into fontTools.pens.statisticsPen 2017-02-20 13:19:35 -06:00
Behdad Esfahbod
5cbfaa2792 [symfont] Change GlyphStatistics object into StatisticsPen 
It's a simple pen now.  To be moved to fontTools.pens next.
 2017-02-20 13:02:52 -06:00
Behdad Esfahbod
c14aad81f4 [symfont] Rename 2017-02-20 12:46:55 -06:00
Behdad Esfahbod
5132bbe411 [symfont] Remove glyph perimeter from GlyphStatistics 
It's not technically statistics the same way the other properties are, and
we have a separate pen for it, so remove. Goal is to turn GlyphStatistics
into a pen.

Also remove perimeter from interpolatable.py contour characteristics vector.
Shouldn't be needed, given all the stats we already include.
 2017-02-20 12:36:15 -06:00
Behdad Esfahbod
a8db22a077 Move MomentsPen into fontTools.pens.momentsPen 2017-02-20 12:33:12 -06:00
Behdad Esfahbod
d9bccb8609 [symfont] Simplify GlyphStatistics; just compute everything upfront 
Our MomentsPen is sooooooooo fast now, there's no point trying to
make it lazy.
 2017-02-20 11:28:44 -06:00
Behdad Esfahbod
a94e0f4e52 [symfont] Remove unused CovarianceMatrix 2017-02-20 10:17:07 -06:00
Behdad Esfahbod
da4b81e9ab Add momentsPen as generated by symfont:printPen() 
To be moved to proper place soon.

Using this in interpolatable.py makes the core of the computation over an
order of magnitude faster.
 2017-02-20 10:17:07 -06:00
Behdad Esfahbod
78637fb8c8 [symfont] Allow printing to files 2017-02-20 10:17:07 -06:00
Behdad Esfahbod
afe3407ca5 [symfont] More 2017-02-20 10:17:07 -06:00
Behdad Esfahbod
aaa950ea59 [symfont] Remove unused _Eigen method 2017-02-20 10:17:07 -06:00
Behdad Esfahbod
c8a82dcfee [symfont] Protect against math errors 
Note that because our contours can overlap arbitrarily, our variance can end up
being negative, so, allow for that.
 2017-02-20 10:17:07 -06:00
Behdad Esfahbod
c8e68b2f4c [interpolatable] Report bad contour in case of math error 2017-02-20 10:17:07 -06:00
Behdad Esfahbod
c3b2e533e9 [interpolatable] Minor 2017-02-20 10:17:07 -06:00
Behdad Esfahbod
223ecc6453 Revert "[symfont] Make sure variance is never negative (float precision issue)" 
This reverts commit 5c025c6a03cca2ebe3390671a81aaca28492e71c.

Investigating why I'm seeing non-negligible negative variance.
 2017-02-20 10:17:07 -06:00
Behdad Esfahbod
8869a5b343 [symfont] Minor 2017-02-19 13:59:56 -06:00
Behdad Esfahbod
5f82438206 [symfont] Write code to write optimized code for green-derived pens 
Eg.:
printPen('MomentsPen',
         [('area', 1),
          ('momentX', x),
          ('momentY', y),
          ('momentXX', x*x),
          ('momentXY', x*y),
          ('momentYY', y*y)])
 2017-02-19 02:50:06 -06:00
Behdad Esfahbod
aceabc032f [symfont] Minor 2017-02-19 00:10:41 -06:00
Behdad Esfahbod
5c025c6a03 [symfont] Make sure variance is never negative (float precision issue) 2017-02-17 19:44:32 -06:00
Behdad Esfahbod
67fdff238b [symfont] Optimize generated expression a bit 2017-02-17 19:44:32 -06:00
Cosimo Lupo
5d6995d317
[Snippets/interpolatable] scipy returns numpy arrays; convert them back to list 2017-01-19 15:39:48 +00:00
Behdad Esfahbod
179b8b5794 [Snippets/interpolatable] Use Hungarian algorithm from munkres or scipy when available 
Fixes https://github.com/fonttools/fonttools/issues/815
 2017-01-19 07:21:08 -08:00
Cosimo Lupo
ff07d30c33
[Snippets] remove apply-feature-file; this is now feaLib/__main__.py 2017-01-13 11:26:50 +00:00
Cosimo Lupo
2a4b3d5814
[Snippets] add otf2ttf.py using cu2qu for CFF -> TrueType conversion 
See discussion at https://github.com/fonttools/fonttools/issues/802

Derived from:
https://github.com/googlei18n/cu2qu/issues/47
 2017-01-12 11:02:41 +00:00
Cosimo Lupo
b7bb391033
don't use sys.exit(...) inside main(), but only under if __name__ == "__main__" 
The convention is that sys.exit(...) is called only if a module is run as a script,
and that main() entry points use return statements to report exit codes: 0 (or None)
for successful execution, or any non-zero integer for errors.

E.g. see the console scripts generated when installing with pip.
 2017-01-11 12:10:58 +00:00
Sascha Brawer
1d28abdb65 [gvar] Rename GlyphVariation to TupleVariation 
In the OpenType 1.8 specification, this is called TupleVariation
so let's be consistent with the spec. (The initial implementation
in fonttools pre-dates OpenType 1.8).
 2017-01-04 12:41:55 +01:00
Behdad Esfahbod
e90f9b7d58 [symfont] Minor 2016-12-22 16:11:04 -06:00
Behdad Esfahbod
4868a631b9 [Snippets/interpolatable] Improve error reporting 
Also enable full vector.  It's necessary for accurate report.
 2016-11-07 20:30:57 -08:00
Behdad Esfahbod
3a4f1fb170 [Snippets/interpolatable] Skip incompatible glyphs 2016-10-30 14:28:07 +02:00
Behdad Esfahbod
3872e3ba3b Revert "remove 'fontTools' symbolic link in Snippets as not cross-plaftorm" 
This reverts commit d2e73ca1abf37eaa65a870851cb8427cb6541131.

Even if not cross-platform, this provides useful functionality on Linux and
Mac.
 2016-10-13 15:47:49 -07:00
Cosimo Lupo
d2e73ca1ab remove 'fontTools' symbolic link in Snippets as not cross-plaftorm 2016-08-19 14:41:18 +01:00
Cosimo Lupo
fae8e1b498 Merge pull request #631 from anthrotype/woff-metadata-snippets 
Snippets: add 'merge_woff_metadata.py' and 'dump_woff_metatada.py' scripts
 2016-08-07 19:28:21 +01:00
Behdad Esfahbod
501e1f2f7e [symfont] Remove another level of indirection 
Saves another few percents, though not as much as previous commit.
 2016-07-11 12:23:56 -07:00
Behdad Esfahbod
7fd9dce0e9 [symfont] Speed up a bit 
Remove one level of indirection in access to point data in generated
functions; ie. use p0, p1, ... instead of P[0], P[1], ...

Makes for about 10% speedup.
 2016-07-11 12:23:56 -07:00
Behdad Esfahbod
cde56fce66 [symfont] Minor 2016-07-11 12:23:56 -07:00
Cosimo Lupo
9c6c4c4f4c merge_woff_metadata.py: make sure flavor is in "woff" or "woff2" 2016-07-04 16:11:04 +01:00
Cosimo Lupo
0782513d4d Snippets: add 'merge_woff_metadata.py' and 'dump_woff_metatada.py' scripts 
This is just to exemplify how one could use the `TTFont.flavorData` attribute to get/set the WOFF metadata.
See discussion at https://github.com/behdad/fonttools/issues/630
 2016-07-04 15:51:51 +01:00
Behdad Esfahbod
3868ac845f [Snippets/interpolatable.py] Flesh out some more 2016-06-24 19:00:56 -04:00
Behdad Esfahbod
0deb34829c [Snippets/interpolatable.py] Add preliminary script for detecting interpolation errors 
Very basic.  Right now detects if glyphs have wrong order of contours / components.
 2016-06-15 18:46:59 +04:00
Behdad Esfahbod
b3414e9ffd [symfont] Use AreaPen from fontTools 
It's about 20% faster.
 2016-06-14 01:26:39 -04:00
Behdad Esfahbod
acbd3df647 [symfont] Add function to print function sources for caching 2016-06-14 01:23:40 -04:00
Behdad Esfahbod
1a48fc27a1 [symfont] Remove one level of function call 2016-06-14 01:16:57 -04:00
Behdad Esfahbod
56c27f45c9 Speed up perimeterPen 
It's still too slow, but an improvement.

Also, remove duplicate copy from symfont.
 2016-06-13 18:50:01 -04:00
Behdad Esfahbod
b7cf54aef1 [symfont] Minor 2016-06-13 18:20:42 -04:00
Behdad Esfahbod
c34739760c [symfont] Handle closePath() 
Apparently some draw() implementations expect closePath() to
draw a line to the contour beginning.

In fact, looks like fontTools's TrueType draw() always does the
lineTo() before closePath(), but the CFF draw() doesn't.

As raised in
https://github.com/behdad/fonttools/pull/618#issuecomment-225314022
 2016-06-10 16:06:22 -07:00
Behdad Esfahbod
7822958fa5 [symfont] Negate sign in green() function 
Following the theorem declaration:
https://en.wikipedia.org/wiki/Green%27s_theorem

we should negate the result.  Ie, for a counter-clockwise curve,
the area must be positive.

Raised in
https://github.com/behdad/fonttools/pull/618#issuecomment-225205335
 2016-06-10 15:58:56 -07:00
Behdad Esfahbod
0204b66d30 [symfont] Simplify lambdify 
A possible alternative solution to the proposed dummify solution...

Might fix https://github.com/behdad/fonttools/issues/595
 2016-04-30 15:49:44 +02:00
n8willis
8325ae8c00 Fix berstein typo. 2016-04-26 19:16:46 -05:00