fontbuild: remove use of fontmake, simplifying things.
This commit is contained in:
Rasmus Andersson
parent
9c444deded
commit
aa7ad2d7a0
9 changed files with 612 additions and 389 deletions
149
misc/fontbuildlib/builder.py
Normal file
149
misc/fontbuildlib/builder.py
Normal file
|
|
@ -0,0 +1,149 @@
|
|||
import logging
|
||||
import ufo2ft
|
||||
from defcon import Font
|
||||
from ufo2ft.util import _LazyFontName
|
||||
from ufo2ft.filters.removeOverlaps import RemoveOverlapsFilter
|
||||
from fontTools.designspaceLib import DesignSpaceDocument
|
||||
from .name import getFamilyName, setFullName
|
||||
from .info import updateFontVersion
|
||||
from .glyph import findGlyphDirectives, composedGlyphIsTrivial, decomposeGlyphs
|
||||
|
||||
log = logging.getLogger(__name__)
|
||||
|
||||
|
||||
class FontBuilder:
|
||||
# def __init__(self, *args, **kwargs)
|
||||
|
||||
def buildStatic(self,
|
||||
ufo, # input UFO as filename string or defcon.Font object
|
||||
outputFilename, # output filename string
|
||||
cff=True, # true = makes CFF outlines. false = makes TTF outlines.
|
||||
**kwargs, # passed along to ufo2ft.compile*()
|
||||
):
|
||||
if isinstance(ufo, str):
|
||||
ufo = Font(ufo)
|
||||
|
||||
# update version to actual, real version. Must come after any call to setFontInfo.
|
||||
updateFontVersion(ufo, dummy=False, isVF=False)
|
||||
|
||||
compilerOptions = dict(
|
||||
useProductionNames=True,
|
||||
inplace=True, # avoid extra copy
|
||||
removeOverlaps=True,
|
||||
overlapsBackend='pathops', # use Skia's pathops
|
||||
)
|
||||
|
||||
log.info("compiling %s -> %s (%s)", _LazyFontName(ufo), outputFilename,
|
||||
"OTF/CFF-2" if cff else "TTF")
|
||||
|
||||
if cff:
|
||||
font = ufo2ft.compileOTF(ufo, **compilerOptions)
|
||||
else: # ttf
|
||||
font = ufo2ft.compileTTF(ufo, **compilerOptions)
|
||||
|
||||
log.debug("writing %s", outputFilename)
|
||||
font.save(outputFilename)
|
||||
|
||||
|
||||
|
||||
def buildVariable(self,
|
||||
designspace, # designspace filename string or DesignSpaceDocument object
|
||||
outputFilename, # output filename string
|
||||
cff=False, # if true, builds CFF-2 font, else TTF
|
||||
**kwargs, # passed along to ufo2ft.compileVariable*()
|
||||
):
|
||||
designspace = self._loadDesignspace(designspace)
|
||||
|
||||
# check in the designspace's <lib> element if user supplied a custom featureWriters
|
||||
# configuration; if so, use that for all the UFOs built from this designspace.
|
||||
featureWriters = None
|
||||
if ufo2ft.featureWriters.FEATURE_WRITERS_KEY in designspace.lib:
|
||||
featureWriters = ufo2ft.featureWriters.loadFeatureWriters(designspace)
|
||||
|
||||
compilerOptions = dict(
|
||||
useProductionNames=True,
|
||||
featureWriters=featureWriters,
|
||||
inplace=True, # avoid extra copy
|
||||
**kwargs
|
||||
)
|
||||
|
||||
if log.isEnabledFor(logging.INFO):
|
||||
log.info("compiling %s -> %s (%s)", designspace.path, outputFilename,
|
||||
"OTF/CFF-2" if cff else "TTF")
|
||||
|
||||
if cff:
|
||||
font = ufo2ft.compileVariableCFF2(designspace, **compilerOptions)
|
||||
else:
|
||||
font = ufo2ft.compileVariableTTF(designspace, **compilerOptions)
|
||||
|
||||
# Rename fullName record to familyName (VF only).
|
||||
# Note: Even though we set openTypeNameCompatibleFullName it seems that the fullName
|
||||
# record is still computed by fonttools, so we override it here.
|
||||
setFullName(font, getFamilyName(font))
|
||||
|
||||
log.debug("writing %s", outputFilename)
|
||||
font.save(outputFilename)
|
||||
|
||||
|
||||
|
||||
@staticmethod
|
||||
def _loadDesignspace(designspace):
|
||||
log.info("loading designspace sources")
|
||||
if isinstance(designspace, str):
|
||||
designspace = DesignSpaceDocument.fromfile(designspace)
|
||||
else:
|
||||
# copy that we can mess with
|
||||
designspace = DesignSpaceDocument.fromfile(designspace.path)
|
||||
|
||||
masters = designspace.loadSourceFonts(opener=Font)
|
||||
# masters = [s.font for s in designspace.sources] # list of UFO font objects
|
||||
|
||||
# Update the default source's full name to not include style name
|
||||
defaultFont = designspace.default.font
|
||||
defaultFont.info.openTypeNameCompatibleFullName = defaultFont.info.familyName
|
||||
|
||||
for ufo in masters:
|
||||
# update font version
|
||||
updateFontVersion(ufo, dummy=False, isVF=True)
|
||||
|
||||
log.info("Preprocessing glyphs")
|
||||
# find glyphs subject to decomposition and/or overlap removal
|
||||
# TODO: Find out why this loop is SO DAMN SLOW. It might just be so that defcon is
|
||||
# really slow when reading glyphs. Perhaps we can sidestep defcon and just
|
||||
# read & parse the .glif files ourselves.
|
||||
glyphNamesToDecompose = set() # glyph names
|
||||
glyphsToRemoveOverlaps = set() # glyph objects
|
||||
for ufo in masters:
|
||||
for g in ufo:
|
||||
if g.components and not composedGlyphIsTrivial(g):
|
||||
glyphNamesToDecompose.add(g.name)
|
||||
if 'removeoverlap' in findGlyphDirectives(g.note):
|
||||
if g.components and len(g.components) > 0:
|
||||
glyphNamesToDecompose.add(g.name)
|
||||
glyphsToRemoveOverlaps.add(g)
|
||||
|
||||
# decompose
|
||||
if glyphNamesToDecompose:
|
||||
if log.isEnabledFor(logging.DEBUG):
|
||||
log.debug('Decomposing glyphs:\n %s', "\n ".join(glyphNamesToDecompose))
|
||||
elif log.isEnabledFor(logging.INFO):
|
||||
log.info('Decomposing %d glyphs', len(glyphNamesToDecompose))
|
||||
decomposeGlyphs(masters, glyphNamesToDecompose)
|
||||
|
||||
# remove overlaps
|
||||
if glyphsToRemoveOverlaps:
|
||||
rmoverlapFilter = RemoveOverlapsFilter(backend='pathops')
|
||||
rmoverlapFilter.start()
|
||||
if log.isEnabledFor(logging.DEBUG):
|
||||
log.debug(
|
||||
'Removing overlaps in glyphs:\n %s',
|
||||
"\n ".join(set([g.name for g in glyphsToRemoveOverlaps])),
|
||||
)
|
||||
elif log.isEnabledFor(logging.INFO):
|
||||
log.info('Removing overlaps in %d glyphs', len(glyphsToRemoveOverlaps))
|
||||
for g in glyphsToRemoveOverlaps:
|
||||
rmoverlapFilter.filter(g)
|
||||
|
||||
# handle control back to fontmake
|
||||
return designspace
|
||||
|
||||
Reference in a new issue