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from fontTools.misc.fixedTools import floatToFixedToFloat
from fontTools.pens.recordingPen import RecordingPen, RecordingPointPen
from fontTools.pens.roundingPen import RoundingPen, RoundingPointPen
from functools import partial
tt_scale_round = partial(floatToFixedToFloat, precisionBits=14)
class RoundingPenTest(object):
def test_general(self):
recpen = RecordingPen()
roundpen = RoundingPen(recpen)
roundpen.moveTo((0.4, 0.6))
roundpen.lineTo((1.6, 2.5))
roundpen.qCurveTo((2.4, 4.6), (3.3, 5.7), (4.9, 6.1))
roundpen.curveTo((6.4, 8.6), (7.3, 9.7), (8.9, 10.1))
roundpen.addComponent("a", (1.5, 0, 0, 1.5, 10.5, -10.5))
assert recpen.value == [
("moveTo", ((0, 1),)),
("lineTo", ((2, 3),)),
("qCurveTo", ((2, 5), (3, 6), (5, 6))),
("curveTo", ((6, 9), (7, 10), (9, 10))),
("addComponent", ("a", (1.5, 0, 0, 1.5, 11, -10))),
]
def test_transform_round(self):
recpen = RecordingPen()
roundpen = RoundingPen(recpen, transformRoundFunc=tt_scale_round)
# The 0.913 is equal to 91.3% scale in a source editor
roundpen.addComponent("a", (0.9130000305, 0, 0, -1, 10.5, -10.5))
# The value should compare equal to its F2Dot14 representation
assert recpen.value == [
("addComponent", ("a", (0.91302490234375, 0, 0, -1, 11, -10))),
]
class RoundingPointPenTest(object):
def test_general(self):
recpen = RecordingPointPen()
roundpen = RoundingPointPen(recpen)
roundpen.beginPath()
roundpen.addPoint((0.4, 0.6), "line")
roundpen.addPoint((1.6, 2.5), "line")
roundpen.addPoint((2.4, 4.6))
roundpen.addPoint((3.3, 5.7))
roundpen.addPoint((4.9, 6.1), "qcurve")
roundpen.endPath()
roundpen.addComponent("a", (1.5, 0, 0, 1.5, 10.5, -10.5))
assert recpen.value == [
("beginPath", (), {}),
("addPoint", ((0, 1), "line", False, None), {}),
("addPoint", ((2, 3), "line", False, None), {}),
("addPoint", ((2, 5), None, False, None), {}),
("addPoint", ((3, 6), None, False, None), {}),
("addPoint", ((5, 6), "qcurve", False, None), {}),
("endPath", (), {}),
("addComponent", ("a", (1.5, 0, 0, 1.5, 11, -10)), {}),
]
def test_transform_round(self):
recpen = RecordingPointPen()
roundpen = RoundingPointPen(recpen, transformRoundFunc=tt_scale_round)
# The 0.913 is equal to 91.3% scale in a source editor
roundpen.addComponent("a", (0.913, 0, 0, -1, 10.5, -10.5))
# The value should compare equal to its F2Dot14 representation
assert recpen.value == [
("addComponent", ("a", (0.91302490234375, 0, 0, -1, 11, -10)), {}),
]
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