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made calculating bounding box handle empty coordinate arrays gracefully

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git-svn-id: svn://svn.code.sf.net/p/fonttools/code/trunk@117 4cde692c-a291-49d1-8350-778aa11640f8
This commit is contained in:
Just 2000-08-23 12:34:19 +00:00
parent f6b1563e0d
commit d5b65a4ed1
1 changed files with 6 additions and 3 deletions
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9
Lib/fontTools/ttLib/tables/_g_l_y_f.py
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@ -543,8 +543,11 @@ class Glyph:
def recalcBounds(self, glyfTable): def recalcBounds(self, glyfTable):
coordinates, endPts, flags = self.getCoordinates(glyfTable) coordinates, endPts, flags = self.getCoordinates(glyfTable)
self.xMin, self.yMin = Numeric.minimum.reduce(coordinates) if len(coordinates) > 0:
self.xMax, self.yMax = Numeric.maximum.reduce(coordinates) self.xMin, self.yMin = Numeric.minimum.reduce(coordinates)
self.xMax, self.yMax = Numeric.maximum.reduce(coordinates)
else:
self.xMin, self.yMin, self.xMax, self.yMax = (0, 0, 0, 0)
def isComposite(self): def isComposite(self):
return self.numberOfContours == -1 return self.numberOfContours == -1
@ -660,7 +663,7 @@ class GlyphComponent:
if self.flags & ARGS_ARE_XY_VALUES: if self.flags & ARGS_ARE_XY_VALUES:
self.x, self.y = struct.unpack(">bb", data[:2]) self.x, self.y = struct.unpack(">bb", data[:2])
else: else:
x, y = struct.unpack(">BB", data[:4]) x, y = struct.unpack(">BB", data[:2])
self.firstPt, self.secondPt = int(x), int(y) self.firstPt, self.secondPt = int(x), int(y)
data = data[2:] data = data[2:]