def test_quad_no_oncurve(self):
"""When passed a contour which has no on-curve points, the
Cu2QuPointPen will treat it as a special quadratic contour whose
first point has 'None' coordinates.
"""
self.maxDiff = None
pen = DummyPointPen()
quadpen = Cu2QuPointPen(pen, MAX_ERR)
quadpen.beginPath()
quadpen.addPoint((1, 1))
quadpen.addPoint((2, 2))
quadpen.addPoint((3, 3))
quadpen.endPath()
self.assertEqual(
str(pen),
dedent(
"""\
pen.beginPath()
pen.addPoint((1, 1), name=None, segmentType=None, smooth=False)
pen.addPoint((2, 2), name=None, segmentType=None, smooth=False)
pen.addPoint((3, 3), name=None, segmentType=None, smooth=False)
pen.endPath()"""
)
)
def test_super_bezier_curve(self):
pen = DummyPointPen()
quadpen = Cu2QuPointPen(pen, MAX_ERR)
quadpen.beginPath()
quadpen.addPoint((0, 0), segmentType="move")
quadpen.addPoint((1, 1))
quadpen.addPoint((2, 2))
quadpen.addPoint((3, 3))
quadpen.addPoint((4, 4),
segmentType="curve",
smooth=False,
name="up",
selected=1)
quadpen.endPath()
self.assertEqual(
str(pen).splitlines(), """\
pen.beginPath()
pen.addPoint((0, 0), name=None, segmentType='move', smooth=False)
pen.addPoint((0.75, 0.75), name=None, segmentType=None, smooth=False)
pen.addPoint((1.625, 1.625), name=None, segmentType=None, smooth=False)
pen.addPoint((2, 2), name=None, segmentType='qcurve', smooth=True)
pen.addPoint((2.375, 2.375), name=None, segmentType=None, smooth=False)
pen.addPoint((3.25, 3.25), name=None, segmentType=None, smooth=False)
pen.addPoint((4, 4), name='up', segmentType='qcurve', selected=1, smooth=False)
pen.endPath()""".splitlines())
def filter(self, glyph):
if not len(glyph):
return False
pen = Cu2QuPointPen(glyph.getPointPen(),
self.context.absoluteError,
reverse_direction=self.options.reverseDirection,
stats=self.context.stats)
contours = list(glyph)
glyph.clearContours()
for contour in contours:
contour.drawPoints(pen)
return True
def test__flushContour_restore_starting_point(self):
pen = DummyPointPen()
quadpen = Cu2QuPointPen(pen, MAX_ERR)
# collect the output of _flushContour before it's sent to _drawPoints
new_segments = []
def _drawPoints(segments):
new_segments.extend(segments)
Cu2QuPointPen._drawPoints(quadpen, segments)
quadpen._drawPoints = _drawPoints
# a closed path (ie. no "move" segmentType)
quadpen._flushContour([
("curve", [
((2, 2), False, None, {}),
((1, 1), False, None, {}),
((0, 0), False, None, {}),
]),
("curve", [
((1, 1), False, None, {}),
((2, 2), False, None, {}),
((3, 3), False, None, {}),
]),
])
# the original starting point is restored: the last segment has become
# the first
self.assertEqual(new_segments[0][1][-1][0], (3, 3))
self.assertEqual(new_segments[-1][1][-1][0], (0, 0))
new_segments = []
# an open path (ie. starting with "move")
quadpen._flushContour([
("move", [
((0, 0), False, None, {}),
]),
("curve", [
((1, 1), False, None, {}),
((2, 2), False, None, {}),
((3, 3), False, None, {}),
]),
])
# the segment order stays the same before and after _flushContour
self.assertEqual(new_segments[0][1][-1][0], (0, 0))
self.assertEqual(new_segments[-1][1][-1][0], (3, 3))
def _drawPoints(segments):
new_segments.extend(segments)
Cu2QuPointPen._drawPoints(quadpen, segments)
def _drawPoints(segments):
new_segments.extend(segments)
Cu2QuPointPen._drawPoints(quadpen, segments)
