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[merge] Implement GDEF

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Only if GSUB/GPOS were so simple too!
This commit is contained in:
Behdad Esfahbod 2013-09-19 21:22:54 -04:00
parent 3235a04ea9
commit c14ab48ae8
1 changed files with 63 additions and 1 deletions
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64
Lib/fontTools/merge.py
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@ -10,6 +10,7 @@ import time
import fontTools
from fontTools import misc, ttLib, cffLib
from fontTools.ttLib.tables import otTables
def _add_method(*clazzes):
"""Returns a decorator function that adds a new method to one or
@ -157,6 +158,67 @@ def merge(self, m):
self.numSubTables = len(self.tables)
return True
@_add_method(ttLib.getTableClass('GDEF'))
def merge(self, m):
self.table = otTables.GDEF()
self.table.Version = 1.0
if any(t.table.LigCaretList for t in m.tables):
glyphs = []
ligGlyphs = []
for table in m.tables:
if table.table.LigCaretList:
glyphs.extend(table.table.LigCaretList.Coverage.glyphs)
ligGlyphs.extend(table.table.LigCaretList.LigGlyph)
coverage = otTables.Coverage()
coverage.glyphs = glyphs
ligCaretList = otTables.LigCaretList()
ligCaretList.Coverage = coverage
ligCaretList.LigGlyph = ligGlyphs
ligCaretList.GlyphCount = len(ligGlyphs)
self.table.LigCaretList = ligCaretList
else:
self.table.LigCaretList = None
if any(t.table.MarkAttachClassDef for t in m.tables):
classDefs = {}
for table in m.tables:
if table.table.MarkAttachClassDef:
classDefs.update(table.table.MarkAttachClassDef.classDefs)
self.table.MarkAttachClassDef = otTables.MarkAttachClassDef()
self.table.MarkAttachClassDef.classDefs = classDefs
else:
self.table.MarkAttachClassDef = None
if any(t.table.GlyphClassDef for t in m.tables):
classDefs = {}
for table in m.tables:
if table.table.GlyphClassDef:
classDefs.update(table.table.GlyphClassDef.classDefs)
self.table.GlyphClassDef = otTables.GlyphClassDef()
self.table.GlyphClassDef.classDefs = classDefs
else:
self.table.GlyphClassDef = None
if any(t.table.AttachList for t in m.tables):
glyphs = []
attachPoints = []
for table in m.tables:
if table.table.AttachList:
glyphs.extend(table.table.AttachList.Coverage.glyphs)
attachPoints.extend(table.table.AttachList.AttachPoint)
coverage = otTables.Coverage()
coverage.glyphs = glyphs
attachList = otTables.AttachList()
attachList.Coverage = coverage
attachList.AttachPoint = attachPoints
attachList.GlyphCount = len(attachPoints)
self.table.AttachList = attachList
else:
self.table.AttachList = None
return True
class Options(object):
@ -267,7 +329,7 @@ class Merger:
font.setGlyphOrder(glyphOrder)
mega.setGlyphOrder(megaGlyphOrder)
allTags = set(sum([font.keys() for font in fonts], []))
allTags = reduce(set.union, (font.keys() for font in fonts), set())
allTags.remove('GlyphOrder')
for tag in allTags: