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freetypePen: raise PenError when missing moveTo

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This commit is contained in:
Takaaki Fuji 2022-01-22 07:06:12 +09:00
parent a27789c477
commit e1c3cdcfde
1 changed files with 7 additions and 1 deletions
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8
Lib/fontTools/pens/freetypePen.py
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@ -18,7 +18,7 @@ from freetype.ft_structs import FT_Vector, FT_BBox, FT_Bitmap, FT_Outline
from freetype.ft_enums import FT_OUTLINE_NONE, FT_OUTLINE_EVEN_ODD_FILL, FT_PIXEL_MODE_GRAY
from freetype.ft_errors import FT_Exception
from fontTools.pens.basePen import BasePen
from fontTools.pens.basePen import BasePen, PenError
from fontTools.misc.roundTools import otRound
from fontTools.misc.transform import Transform
@ -390,11 +390,15 @@ class FreeTypePen(BasePen):
contour.tags.append(LINE)
def _lineTo(self, pt):
if not (self.contours and len(self.contours[-1].points) > 0):
raise PenError('Contour missing required initial moveTo')
contour = self.contours[-1]
contour.points.append(pt)
contour.tags.append(LINE)
def _curveToOne(self, p1, p2, p3):
if not (self.contours and len(self.contours[-1].points) > 0):
raise PenError('Contour missing required initial moveTo')
t1, t2, t3 = OFFCURVE, OFFCURVE, CURVE
contour = self.contours[-1]
for p, t in ((p1, t1), (p2, t2), (p3, t3)):
@ -402,6 +406,8 @@ class FreeTypePen(BasePen):
contour.tags.append(t)
def _qCurveToOne(self, p1, p2):
if not (self.contours and len(self.contours[-1].points) > 0):
raise PenError('Contour missing required initial moveTo')
t1, t2 = QOFFCURVE, QCURVE
contour = self.contours[-1]
for p, t in ((p1, t1), (p2, t2)):