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[varLib] Add _SetCoordinates()

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This commit is contained in:
Behdad Esfahbod 2016-04-27 01:17:09 -07:00
parent e391cdb787
commit e13f46c1dd
1 changed files with 36 additions and 1 deletions
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37
Lib/fontTools/varLib/__init__.py
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@ -321,7 +321,7 @@ def _GetCoordinates(font, glyphName):
if glyphName not in glyf.glyphs: return None
glyph = glyf[glyphName]
if glyph.isComposite():
coord = GlyphCoordinates([c.getComponentInfo()[1][-2:] for c in glyph.components])
coord = GlyphCoordinates([(c.x,c.y) for c in glyph.components])
control = [c.glyphName for c in glyph.components]
else:
allData = glyph.getCoordinates(glyf)
@ -345,6 +345,41 @@ def _GetCoordinates(font, glyphName):
return coord, control
# TODO Move to glyf or gvar table proper
def _SetCoordinates(font, glyphName, coord):
glyf = font["glyf"]
assert glyphName in glyf.glyphs
glyph = glyf[glyphName]
# Handle phantom points for (left, right, top, bottom) positions.
assert len(coord) >= 4
if not hasattr(glyph, 'xMin'):
glyph.recalcBounds(glyf)
topSideY = glyph.yMax
bottomSideY = -glyph.yMin
leftSideX = coord[-4][0]
rightSideX = coord[-3][0]
topSideY = coord[-2][1]
bottomSideY = coord[-1][1]
horizontalAdvanceWidth = rightSideX - leftSideX
leftSideBearing = glyph.xMin - leftSideX
# XXX Handle vertical
# XXX Remove the round when https://github.com/behdad/fonttools/issues/593 is fixed
font["hmtx"].metrics[glyphName] = int(round(horizontalAdvanceWidth)), int(round(leftSideBearing))
for _ in range(4):
del coord[-1]
if glyph.isComposite():
assert len(coord) == len(glyph.components)
for p,comp in zip(coord, glyph.components):
comp.x,comp.y = p
elif glyph.numberOfContours is 0:
assert len(coord) == 0
else:
assert len(coord) == len(glyph.coordinates)
glyph.coordinates = coord
def _add_gvar(font, axes, master_ttfs, master_locs, base_idx):
# Make copies for modification