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In calcIntBounds(), round values

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The glyph coordinates in glyf table are going to be rounded when
writing out, so we should use the same mode of conversion to
integers.  Otherwise the xMin of a glyph might end up being
different from its actual minimum X.
This commit is contained in:
Behdad Esfahbod 2016-06-07 15:47:02 -07:00
parent d1424e9d5a
commit e53764a16d
1 changed files with 2 additions and 6 deletions
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8
Lib/fontTools/misc/arrayTools.py
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@ -21,13 +21,9 @@ def calcBounds(array):
def calcIntBounds(array): def calcIntBounds(array):
"""Return the integer bounding rectangle of a 2D points array as a """Return the integer bounding rectangle of a 2D points array as a
tuple: (xMin, yMin, xMax, yMax) tuple: (xMin, yMin, xMax, yMax)
Values are rounded to closest integer.
""" """
xMin, yMin, xMax, yMax = calcBounds(array) return tuple(int(round(v)) for v in calcBounds(array))
xMin = int(math.floor(xMin))
xMax = int(math.ceil(xMax))
yMin = int(math.floor(yMin))
yMax = int(math.ceil(yMax))
return xMin, yMin, xMax, yMax
def updateBounds(bounds, p, min=min, max=max): def updateBounds(bounds, p, min=min, max=max):