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[filterPen] clarify ContourFilterPen doesn't touch components

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This commit is contained in:
Cosimo Lupo 2017-10-12 11:16:43 +01:00
parent 3bbba21f1f
commit 3f933548b8
1 changed files with 5 additions and 3 deletions
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8
Lib/fontTools/pens/filterPen.py
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@ -82,6 +82,8 @@ class ContourFilterPen(_PassThruComponentsMixin, RecordingPen):
"""A "buffered" filter pen that accumulates contour data, passes
it through a ``filterContour`` method when the contour is closed or ended,
and finally draws the result with the output pen.
Components are passed through unchanged.
"""
def __init__(self, outPen):
@ -108,9 +110,9 @@ class ContourFilterPen(_PassThruComponentsMixin, RecordingPen):
The contour is a list of pen (operator, operands) tuples.
Operators are strings corresponding to the AbstractPen methods:
"moveTo", "lineTo", "curveTo", "qCurveTo", "closePath",
"endPath", and "addComponent". The operands are the positional
arguments that are passed to each method.
"moveTo", "lineTo", "curveTo", "qCurveTo", "closePath" and
"endPath". The operands are the positional arguments that are
passed to each method.
If the method doesn't return a value (i.e. returns None), it's
assumed that the argument was modified in-place.