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areaPen.py: use tabs for indentation as that's the norm in fontTools

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(despite I prefer spaces)
This commit is contained in:
Cosimo Lupo 2016-06-09 23:28:06 +01:00
parent 2dc88be8a7
commit 76dc5d2607
1 changed files with 30 additions and 30 deletions
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60
Lib/fontTools/pens/areaPen.py
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@ -6,50 +6,50 @@ from fontTools.pens.basePen import BasePen
def interpolate(p0, p1, t):
return (p0[0] * (1 - t) + p1[0] * t, p0[1] * (1 - t) + p1[1] * t)
return (p0[0] * (1 - t) + p1[0] * t, p0[1] * (1 - t) + p1[1] * t)
def polygon_area(p0, p1):
return (p1[0] - p0[0]) * (p1[1] + p0[1]) * 0.5
return (p1[0] - p0[0]) * (p1[1] + p0[1]) * 0.5
def quadratic_curve_area(p0, p1, p2):
new_p2 = interpolate(p2, p1, 2.0 / 3)
new_p1 = interpolate(p0, p1, 2.0 / 3)
return cubic_curve_area(p0, new_p1, new_p2, p2)
new_p2 = interpolate(p2, p1, 2.0 / 3)
new_p1 = interpolate(p0, p1, 2.0 / 3)
return cubic_curve_area(p0, new_p1, new_p2, p2)
def cubic_curve_area(p0, p1, p2, p3):
x0, y0 = p0[0], p0[1]
x1, y1 = p1[0] - x0, p1[1] - y0
x2, y2 = p2[0] - x0, p2[1] - y0
x3, y3 = p3[0] - x0, p3[1] - y0
return (
x1 * ( - y2 - y3) +
x2 * (y1 - 2*y3) +
x3 * (y1 + 2*y2 )
) * 0.15
x0, y0 = p0[0], p0[1]
x1, y1 = p1[0] - x0, p1[1] - y0
x2, y2 = p2[0] - x0, p2[1] - y0
x3, y3 = p3[0] - x0, p3[1] - y0
return (
x1 * ( - y2 - y3) +
x2 * (y1 - 2*y3) +
x3 * (y1 + 2*y2 )
) * 0.15
class AreaPen(BasePen):
def __init__(self, glyphset):
BasePen.__init__(self, glyphset)
self.value = 0
def __init__(self, glyphset):
BasePen.__init__(self, glyphset)
self.value = 0
def _moveTo(self, p0):
pass
def _moveTo(self, p0):
pass
def _lineTo(self, p1):
p0 = self._getCurrentPoint()
self.value += polygon_area(p0, p1)
def _lineTo(self, p1):
p0 = self._getCurrentPoint()
self.value += polygon_area(p0, p1)
def _curveToOne(self, p1, p2, p3):
p0 = self._getCurrentPoint()
self.value += cubic_curve_area(p0, p1, p2, p3)
self.value += polygon_area(p0, p3)
def _curveToOne(self, p1, p2, p3):
p0 = self._getCurrentPoint()
self.value += cubic_curve_area(p0, p1, p2, p3)
self.value += polygon_area(p0, p3)
def _qCurveToOne(self, pt1, pt2):
p0 = self._getCurrentPoint()
self.value += quadratic_curve_area(p0, p1, p2)
self.value += polygon_area(p0, p2)
def _qCurveToOne(self, pt1, pt2):
p0 = self._getCurrentPoint()
self.value += quadratic_curve_area(p0, p1, p2)
self.value += polygon_area(p0, p2)