shadowfacts/fonttools
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

have dropImpliedOnCurvePoints return the set of point indices useful for testing

Browse Source
This commit is contained in:
Cosimo Lupo 2023-06-01 18:21:59 +01:00
parent e19871981d
commit 3b62811b63
No known key found for this signature in database
GPG Key ID: DF65A8A5A119C9A8
1 changed files with 12 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

13
Lib/fontTools/ttLib/tables/_g_l_y_f.py
View File

@ -28,6 +28,7 @@ from fontTools.misc import xmlWriter
from fontTools.misc.filenames import userNameToFileName
from fontTools.misc.loggingTools import deprecateFunction
from enum import IntFlag
from typing import Set
log = logging.getLogger(__name__)
@ -1531,7 +1532,7 @@ class Glyph(object):
return result if result is NotImplemented else not result
def dropImpliedOnCurvePoints(*interpolatable_glyphs: Glyph) -> None:
def dropImpliedOnCurvePoints(*interpolatable_glyphs: Glyph) -> Set[int]:
"""Drop impliable on-curve points from the (simple) glyph or glyphs.
In TrueType glyf outlines, on-curve points can be implied when they are located at
@ -1542,9 +1543,17 @@ def dropImpliedOnCurvePoints(*interpolatable_glyphs: Glyph) -> None:
for all of them will actually be implied.
The input glyph(s) is/are modified in-place.
Args:
interpolatable_glyphs: The glyph or glyphs to modify in-place.
Returns:
The set of point indices that were dropped if any.
Reference:
https://developer.apple.com/fonts/TrueType-Reference-Manual/RM01/Chap1.html
"""
assert len(interpolatable_glyphs) > 0
drop = None
for glyph in interpolatable_glyphs:
may_drop = set()
@ -1599,6 +1608,8 @@ def dropImpliedOnCurvePoints(*interpolatable_glyphs: Glyph) -> None:
i += 1
glyph.endPtsOfContours = newEndPts
return drop
class GlyphComponent(object):
"""Represents a component within a composite glyph.