def test_reverse_point_pen(contour, expected):
try:
from ufoLib.pointPen import (ReverseContourPointPen, PointToSegmentPen,
SegmentToPointPen)
except ImportError:
pytest.skip("ufoLib not installed")
recpen = RecordingPen()
pt2seg = PointToSegmentPen(recpen, outputImpliedClosingLine=True)
revpen = ReverseContourPointPen(pt2seg)
seg2pt = SegmentToPointPen(revpen)
for operator, operands in contour:
getattr(seg2pt, operator)(*operands)
# for closed contours that have a lineTo following the moveTo,
# and whose points don't overlap, our current implementation diverges
# from the ReverseContourPointPen as wrapped by ufoLib's pen converters.
# In the latter case, an extra lineTo is added because of
# outputImpliedClosingLine=True. This is redundant but not incorrect,
# as the number of points is the same in both.
if (contour and contour[-1][0] == "closePath" and contour[1][0] == "lineTo"
and contour[1][1] != contour[0][1]):
expected = expected[:-1] + [("lineTo", contour[0][1])] + expected[-1:]
assert recpen.value == expected
def thresholdGlyph(aGlyph, threshold=10):
"""
Convenience function that applies the **ThresholdPen** to a glyph. Returns a new glyph object (from objectsRF.RGlyph).
"""
from ufoLib.pointPen import SegmentToPointPen
from fontPens.dataPointPen import DataPointPen
data = DataPointPen()
filterpen = ThresholdPen(SegmentToPointPen(data), threshold)
aGlyph.draw(filterpen)
aGlyph.clear()
data.draw(aGlyph.getPen())
return aGlyph
def test_reverse_point_pen(contour, expected):
try:
from ufoLib.pointPen import (ReverseContourPointPen, PointToSegmentPen,
SegmentToPointPen)
except ImportError:
pytest.skip("ufoLib not installed")
recpen = RecordingPen()
pt2seg = PointToSegmentPen(recpen)
revpen = ReverseContourPointPen(pt2seg)
seg2pt = SegmentToPointPen(revpen)
for operator, operands in contour:
getattr(seg2pt, operator)(*operands)
assert recpen.value == expected
def flattenGlyph(aGlyph, threshold=10, segmentLines=True):
"""
Convenience function that applies the **FlattenPen** pen to a glyph. Returns a new glyph object.
"""
if len(aGlyph) == 0:
return aGlyph
from ufoLib.pointPen import SegmentToPointPen
from fontPens.dataPointPen import DataPointPen
data = DataPointPen()
filterpen = FlattenPen(SegmentToPointPen(data),
approximateSegmentLength=threshold,
segmentLines=segmentLines)
aGlyph.draw(filterpen)
aGlyph.clear()
data.draw(aGlyph.getPen())
return aGlyph
def __init__(self, other_pen):
adapter_point_pen = PointToSegmentPen(other_pen)
reverse_point_pen = ReverseContourPointPen(adapter_point_pen)
SegmentToPointPen.__init__(self, reverse_point_pen)
def drawPoints(self, pointPen): pen = SegmentToPointPen(pointPen) self.draw(pen)
def getPen(self):
"""Return a SegmentPen adapter that can 'draw' on this glyph."""
return SegmentToPointPen(self._pen)
def drawPoints(self, pointPen):
"""Use another PointPen to replay the glyph's outline commands,
indirectly through an adapter.
"""
pen = SegmentToPointPen(pointPen)
self.draw(pen)
def __init__(self, other_pen):
adapter_point_pen = PointToSegmentPen(other_pen)
reverse_point_pen = ReverseContourPointPen(adapter_point_pen)
SegmentToPointPen.__init__(self, reverse_point_pen)
def getPen(self):
"""
Get the pen used to draw into this glyph.
"""
from ufoLib.pointPen import SegmentToPointPen
return SegmentToPointPen(self.getPointPen())
def drawPoints(pointPen):
pen = TransformPen(SegmentToPointPen(pointPen), transform)
parse_path(path, pen)
def drawPoints(pointPen):
pen = SegmentToPointPen(pointPen)
outline.draw(pen)