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Use PointPen to preserve TrueType point indices #27

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Merged
merged 2 commits into from
Oct 26, 2018
Merged

Use PointPen to preserve TrueType point indices #27

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d99e6e6
Use fontTools functions to extract best CMAP
jenskutilek Oct 17, 2018
ec3e92f
Use PointPen when extracting TrueType glyphs
jenskutilek Oct 17, 2018
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41 changes: 11 additions & 30 deletions Lib/extractor/formats/opentype.py
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Original file line number Diff line number Diff line change
Expand Up @@ -314,34 +314,11 @@ def binaryToIntList(value, start=0):

def extractOpenTypeGlyphs(source, destination):
# grab the cmap
cmap = source["cmap"]
vmtx = source.get("vmtx")
vorg = source.get("VORG")
preferred = [
(3, 10, 12),
(3, 10, 4),
(3, 1, 12),
(3, 1, 4),
(0, 3, 12),
(0, 3, 4),
(3, 0, 12),
(3, 0, 4),
(1, 0, 12),
(1, 0, 4)
]
found = {}
for table in cmap.tables:
found[table.platformID, table.platEncID, table.format] = table
table = None
for key in preferred:
if key not in found:
continue
table = found[key]
break
reversedMapping = {}
if table is not None:
for uniValue, glyphName in table.cmap.items():
reversedMapping[glyphName] = uniValue
cmap = source.getBestCmap()
is_ttf = "glyf" in source
reversedMapping = source.get("cmap").buildReversed()
# grab the glyphs
glyphSet = source.getGlyphSet()
for glyphName in glyphSet.keys():
Expand All @@ -350,8 +327,12 @@ def extractOpenTypeGlyphs(source, destination):
destination.newGlyph(glyphName)
destinationGlyph = destination[glyphName]
# outlines
pen = destinationGlyph.getPen()
sourceGlyph.draw(pen)
if is_ttf:
pen = destinationGlyph.getPointPen()
sourceGlyph.drawPoints(pen)
else:
pen = destinationGlyph.getPen()
sourceGlyph.draw(pen)
# width
destinationGlyph.width = sourceGlyph.width
# height and vertical origin
Expand All @@ -370,8 +351,8 @@ def extractOpenTypeGlyphs(source, destination):
continue
xMin, yMin, xMax, yMax = bounds_pen.bounds
destinationGlyph.verticalOrigin = tsb + yMax
# unicode
destinationGlyph.unicode = reversedMapping.get(glyphName)
# unicodes
destinationGlyph.unicodes = reversedMapping.get(glyphName, [])

# -------
# Kerning
Expand Down