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[interpolatable] Another approach

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This commit is contained in:
Behdad Esfahbod 2023-11-28 12:06:23 -07:00
parent 41ed903d45
commit 875d17c3f0
1 changed files with 8 additions and 2 deletions
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10
Lib/fontTools/varLib/interpolatable.py
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@ -798,9 +798,11 @@ def test_gen(
# The sign difference can happen if it's a werido
# self-intersecting contour; ignore it.
contour = midRecording[ix]
from .interpolatablePlot import LerpGlyphSet
if contour and (m0Vectors[ix][0] < 0) == (m1Vectors[ix][0] < 0):
midStats = StatisticsPen(glyphset=glyphset)
midGlyphset = LerpGlyphSet(glyphsets[m0idx], glyphsets[m1idx])
midStats = StatisticsPen(glyphset=midGlyphset)
contour.replay(midStats)
midVector = _contour_vector_from_stats(midStats)
@ -810,17 +812,21 @@ def test_gen(
bounds0Pen = ControlBoundsPen(glyphsets[m0idx])
bounds1Pen = ControlBoundsPen(glyphsets[m1idx])
boundsMidPen = ControlBoundsPen(midGlyphset)
recording0[ix].replay(bounds0Pen)
recording1[ix].replay(bounds1Pen)
contour.replay(boundsMidPen)
bounds0 = bounds0Pen.bounds or (0, 0, 0, 0)
bounds1 = bounds1Pen.bounds or (0, 0, 0, 0)
boundsMid = boundsMidPen.bounds or (0, 0, 0, 0)
width0, height0 = bounds0[2] - bounds0[0], bounds0[3] - bounds0[1]
width1, height1 = bounds1[2] - bounds1[0], bounds1[3] - bounds1[1]
widthMid, heightMid = boundsMid[2] - boundsMid[0], boundsMid[3] - boundsMid[1]
try:
size0 /= width0 * height0
size1 /= width1 * height1
midSize /= (width0 + width1) * .5 * (height0 + height1) * .5
midSize /= widthMid * heightMid
except ZeroDivisionError:
continue