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[pens] call lineTo if len(points) == 1 in qCurveTo()

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we were alrady doing that in curveTo, so we might well do it here too
This commit is contained in:
Cosimo Lupo 2016-03-16 10:38:22 +00:00
parent adaa9fc242
commit 9fcca0f5c5
1 changed files with 16 additions and 11 deletions
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27
Lib/cu2qu/pens.py
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@ -51,11 +51,16 @@ class Cu2QuPen(AbstractPen):
self.current_pt = pt
def qCurveTo(self, *points):
assert len(points) >= 1
assert self.current_pt is not None
self._add_moveTo()
self.pen.qCurveTo(*points)
self.current_pt = points[-1]
n = len(points)
if n == 1:
self.lineTo(points[0])
elif n > 1:
self._add_moveTo()
self.pen.qCurveTo(*points)
self.current_pt = points[-1]
else:
raise AssertionError("illegal qcurve segment point count: %d" % n)
def _curve_to_quadratic(self, pt1, pt2, pt3):
assert self.current_pt is not None
@ -67,19 +72,19 @@ class Cu2QuPen(AbstractPen):
self.qCurveTo(*quadratic[1:])
def curveTo(self, *points):
# 'n' is the number of control points
n = len(points) - 1
assert n >= 0
if n == 2:
n = len(points)
if n == 3:
# this is the most common case, so we special-case it
self._curve_to_quadratic(*points)
elif n > 2:
elif n > 3:
for segment in decomposeSuperBezierSegment(points):
self._curve_to_quadratic(*segment)
elif n == 1:
elif n == 2:
self.qCurveTo(*points)
elif n == 0:
elif n == 1:
self.lineTo(points[0])
else:
raise AssertionError("illegal curve segment point count: %d" % n)
def closePath(self):
assert self.current_pt is not None