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ttGlyphPen: always round float coordinates and offsets to integers

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Fixes googlefonts/fontmake#593
This commit is contained in:
Cosimo Lupo 2019-11-26 16:16:48 +00:00
parent 7fe59e4b94
commit 97fce155ad
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GPG Key ID: 20D4A261E4A0E642
1 changed files with 3 additions and 2 deletions
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5
Lib/fontTools/pens/ttGlyphPen.py
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@ -1,6 +1,6 @@
from fontTools.misc.py23 import *
from array import array
from fontTools.misc.fixedTools import MAX_F2DOT14
from fontTools.misc.fixedTools import MAX_F2DOT14, otRound
from fontTools.pens.basePen import LoggingPen
from fontTools.pens.transformPen import TransformPen
from fontTools.ttLib.tables import ttProgram
@ -118,7 +118,7 @@ class TTGlyphPen(LoggingPen):
component = GlyphComponent()
component.glyphName = glyphName
component.x, component.y = transformation[4:]
component.x, component.y = (otRound(v) for v in transformation[4:])
transformation = transformation[:4]
if transformation != (1, 0, 0, 1):
if (self.handleOverflowingTransforms and
@ -138,6 +138,7 @@ class TTGlyphPen(LoggingPen):
glyph = Glyph()
glyph.coordinates = GlyphCoordinates(self.points)
glyph.coordinates.toInt()
glyph.endPtsOfContours = self.endPts
glyph.flags = array("B", self.types)
self.init()