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[varLib.featureVars] Remove unused intersectBoxes()

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This commit is contained in:
Behdad Esfahbod 2018-11-10 15:19:10 -05:00
parent f1a9c6c036
commit 2295e27dca
1 changed files with 0 additions and 32 deletions
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32
Lib/fontTools/varLib/featureVars.py
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@ -159,38 +159,6 @@ def overlayFeatureVariations(conditionalSubstitutions):
# from the corresponding axes.
#
def intersectBoxes(box1, box2):
"""Return the box intersected by `box1` and `box2`, or None if there
is no intersection.
>>> intersectBoxes({}, {})
{}
>>> intersectBoxes({'wdth': (-0.5, 0.5)}, {})
{'wdth': (-0.5, 0.5)}
>>> intersectBoxes({'wdth': (-0.5, 0.5)}, {'wdth': (0.0, 1.0)})
{'wdth': (0.0, 0.5)}
>>> expected = {'wdth': (0.0, 0.5), 'wght': (0.25, 0.5)}
>>> expected == intersectBoxes({'wdth': (-0.5, 0.5), 'wght': (0.0, 0.5)}, {'wdth': (0.0, 1.0), 'wght': (0.25, 0.75)})
True
>>> expected = {'wdth': (-0.5, 0.5), 'wght': (0.0, 1.0)}
>>> expected == intersectBoxes({'wdth': (-0.5, 0.5)}, {'wght': (0.0, 1.0)})
True
>>> intersectBoxes({'wdth': (-0.5, 0)}, {'wdth': (0.1, 0.5)})
"""
box = {}
box.update(box1)
box.update(box2)
for axisTag in set(box1) & set(box2):
min1, max1 = box1[axisTag]
min2, max2 = box2[axisTag]
minimum = max(min1, min2)
maximum = min(max1, max2)
if not minimum < maximum:
return None
box[axisTag] = minimum, maximum
return box
def overlayBox(top, bot):
"""Overlays `top` box on top of `bot` box.