def _merge_OTL(font, model, master_fonts, axisTags):
log.info("Merging OpenType Layout tables")
merger = VariationMerger(model, axisTags, font)
merger.mergeTables(font, master_fonts, ['GPOS'])
# TODO Merge GSUB
# TODO Merge GDEF itself!
store = merger.store_builder.finish()
if not store.VarData:
return
try:
GDEF = font['GDEF'].table
assert GDEF.Version <= 0x00010002
except KeyError:
font['GDEF']= newTable('GDEF')
GDEFTable = font["GDEF"] = newTable('GDEF')
GDEF = GDEFTable.table = ot.GDEF()
GDEF.Version = 0x00010003
GDEF.VarStore = store
# Optimize
varidx_map = store.optimize()
GDEF.remap_device_varidxes(varidx_map)
if 'GPOS' in font:
font['GPOS'].table.remap_device_varidxes(varidx_map)
def otf_to_ttf(ttFont, post_format=POST_FORMAT, **kwargs):
assert ttFont.sfntVersion == "OTTO"
assert "CFF " in ttFont
glyphOrder = ttFont.getGlyphOrder()
ttFont["loca"] = newTable("loca")
ttFont["glyf"] = glyf = newTable("glyf")
glyf.glyphOrder = glyphOrder
glyf.glyphs = glyphs_to_quadratic(ttFont.getGlyphSet(), **kwargs)
del ttFont["CFF "]
ttFont["maxp"] = maxp = newTable("maxp")
maxp.tableVersion = 0x00010000
maxp.maxZones = 1
maxp.maxTwilightPoints = 0
maxp.maxStorage = 0
maxp.maxFunctionDefs = 0
maxp.maxInstructionDefs = 0
maxp.maxStackElements = 0
maxp.maxSizeOfInstructions = 0
maxp.maxComponentElements = max(
len(g.components if hasattr(g, 'components') else [])
for g in glyf.glyphs.values())
post = ttFont["post"]
post.formatType = post_format
post.extraNames = []
post.mapping = {}
post.glyphOrder = glyphOrder
ttFont.sfntVersion = "\000\001\000\000"
def setupTable_glyf(self):
"""Make the glyf table."""
allGlyphs = self.allGlyphs
if self.convertCubics:
from cu2qu.pens import Cu2QuPen
allGlyphs = {}
for name, glyph in self.allGlyphs.items():
if isinstance(glyph, StubGlyph):
allGlyphs[name] = glyph
continue
newGlyph = glyph.__class__()
glyph.draw(Cu2QuPen(
newGlyph.getPen(), self.cubicConversionError,
reverse_direction=True))
allGlyphs[name] = newGlyph
self.otf["loca"] = newTable("loca")
self.otf["glyf"] = glyf = newTable("glyf")
glyf.glyphs = {}
glyf.glyphOrder = self.glyphOrder
for name in self.glyphOrder:
pen = TTGlyphPen(allGlyphs)
allGlyphs[name].draw(pen)
glyf[name] = pen.glyph()
def makeFont(self):
cvt, cvar, fvar = newTable("cvt "), newTable("cvar"), newTable("fvar")
font = {"cvt ": cvt, "cvar": cvar, "fvar": fvar}
cvt.values = [0, 1000, -2000]
Axis = getTableModule("fvar").Axis
fvar.axes = [Axis(), Axis()]
fvar.axes[0].axisTag, fvar.axes[1].axisTag = "wght", "wdth"
return font, cvar
def colorize(font):
COLR = newTable("COLR")
CPAL = newTable("CPAL")
glyf = font["glyf"]
hmtx = font["hmtx"]
CPAL.version = 0
COLR.version = 0
palette = list(GROUPS.values())
CPAL.palettes = [palette]
CPAL.numPaletteEntries = len(palette)
COLR.ColorLayers = {}
glyphOrder = list(font.getGlyphOrder())
for name in glyphOrder:
glyph = glyf[name]
layers = []
if glyph.isComposite() and len(glyph.components) > 1:
componentColors = [getGlyphColor(c.getComponentInfo()[0]) for c in glyph.components]
if any(componentColors):
for component in glyph.components:
componentName, trans = component.getComponentInfo()
componentColor = getGlyphColor(componentName)
if componentColor is None:
componentColor = 0xFFFF
else:
componentColor = palette.index(componentColor)
if trans == (1, 0, 0, 1, 0, 0):
layers.append(newLayer(componentName, componentColor))
else:
newName = "%s.%s" % (componentName, hash(trans))
if newName not in font.glyphOrder:
font.glyphOrder.append(newName)
newGlyph = getTableModule("glyf").Glyph()
newGlyph.numberOfContours = -1
newGlyph.components = [component]
glyf.glyphs[newName] = newGlyph
assert len(glyf.glyphs) == len(font.glyphOrder), (name, newName)
width = hmtx[name][0]
lsb = hmtx[componentName][1] + trans[4]
hmtx.metrics[newName] = [width, lsb]
layers.append(newLayer(newName, componentColor))
if not layers:
color = getGlyphColor(name)
if color is not None:
layers = [newLayer(name, palette.index(color))]
if layers:
COLR[name] = layers
font["COLR"] = COLR
font["CPAL"] = CPAL
def setUp(self):
self.font = font = ttLib.TTFont(recalcBBoxes=False, recalcTimestamp=False)
font.setGlyphOrder(self.glyphOrder)
font['head'] = ttLib.newTable('head')
font['maxp'] = ttLib.newTable('maxp')
font['loca'] = WOFF2LocaTable()
font['glyf'] = WOFF2GlyfTable()
for tag in self.transformedTags:
font[tag].decompile(self.tables[tag], font)
def setUp(self):
self.font = font = ttLib.TTFont(recalcBBoxes=False, recalcTimestamp=False)
font.setGlyphOrder(self.glyphOrder)
font["head"] = ttLib.newTable("head")
font["maxp"] = ttLib.newTable("maxp")
font["loca"] = WOFF2LocaTable()
font["glyf"] = WOFF2GlyfTable()
for tag in self.transformedTags:
font[tag].decompile(self.tables[tag], font)
def makeFont(self, numGlyphs, numberOfMetrics):
font = TTFont()
maxp = font['maxp'] = newTable('maxp')
maxp.numGlyphs = numGlyphs
# from A to ...
font.glyphOrder = [chr(i) for i in range(65, 65+numGlyphs)]
headerTag = self.tableClass.headerTag
font[headerTag] = newTable(headerTag)
numberOfMetricsName = self.tableClass.numberOfMetricsName
setattr(font[headerTag], numberOfMetricsName, numberOfMetrics)
return font
def setupTable_glyf(self):
"""Make the glyf table."""
self.otf["loca"] = newTable("loca")
self.otf["glyf"] = glyf = newTable("glyf")
glyf.glyphs = {}
glyf.glyphOrder = self.glyphOrder
for name in self.glyphOrder:
pen = TTGlyphPen(self.allGlyphs)
self.allGlyphs[name].draw(pen)
glyf[name] = pen.glyph()
def setupTable_glyf(self):
"""Make the glyf table."""
self.otf["loca"] = newTable("loca")
self.otf["glyf"] = glyf = newTable("glyf")
glyf.glyphs = {}
glyf.glyphOrder = self.glyphOrder
for glyph in self.ufo:
pen = TTGlyphPen(self.ufo)
glyph.draw(pen)
glyf[glyph.name] = pen.glyph()
def makeFont(self, variations):
glyphs = [".notdef", "space", "I"]
Axis = getTableModule("fvar").Axis
Glyph = getTableModule("glyf").Glyph
glyf, fvar, gvar = newTable("glyf"), newTable("fvar"), newTable("gvar")
font = FakeFont(glyphs)
font.tables = {"glyf": glyf, "gvar": gvar, "fvar": fvar}
glyf.glyphs = {glyph: Glyph() for glyph in glyphs}
glyf.glyphs["I"].coordinates = [(10, 10), (10, 20), (20, 20), (20, 10)]
fvar.axes = [Axis(), Axis()]
fvar.axes[0].axisTag, fvar.axes[1].axisTag = "wght", "wdth"
gvar.variations = variations
return font, gvar
def test_toXML(self):
font = TTFont(sfntVersion="\x00\x01\x00\x00")
glyfTable = font['glyf'] = newTable('glyf')
font['head'] = newTable('head')
font['loca'] = newTable('loca')
font['maxp'] = newTable('maxp')
font['maxp'].decompile(self.maxpData, font)
font['head'].decompile(self.headData, font)
font['loca'].decompile(self.locaData, font)
glyfTable.decompile(self.glyfData, font)
out = UnicodeIO()
font.saveXML(out)
glyfXML = strip_ttLibVersion(out.getvalue()).splitlines()
self.assertEqual(glyfXML, self.glyfXML)
def buildGSUB():
"""Build a GSUB table from scratch."""
fontTable = newTable("GSUB")
gsub = fontTable.table = ot.GSUB()
gsub.Version = 0x00010001 # allow gsub.FeatureVariations
gsub.ScriptList = ot.ScriptList()
gsub.ScriptList.ScriptRecord = []
gsub.FeatureList = ot.FeatureList()
gsub.FeatureList.FeatureRecord = []
gsub.LookupList = ot.LookupList()
gsub.LookupList.Lookup = []
srec = ot.ScriptRecord()
srec.ScriptTag = 'DFLT'
srec.Script = ot.Script()
srec.Script.DefaultLangSys = None
srec.Script.LangSysRecord = []
langrec = ot.LangSysRecord()
langrec.LangSys = ot.LangSys()
langrec.LangSys.ReqFeatureIndex = 0xFFFF
langrec.LangSys.FeatureIndex = [0]
srec.Script.DefaultLangSys = langrec.LangSys
gsub.ScriptList.ScriptRecord.append(srec)
gsub.FeatureVariations = None
return fontTable
def fix(self):
if 'DSIG' in self.font:
return False
try:
from fontTools.ttLib.tables.D_S_I_G_ import SignatureRecord
except ImportError:
error_message = ("The '{}' font does not have an existing"
" digital signature proving its authenticity,"
" so Fontbakery needs to add one. To do this"
" requires version 2.3 or later of Fonttools"
" to be installed. Please upgrade at"
" https://pypi.python.org/pypi/FontTools/2.4")
logger.error(error_message.format(os.path.basename(self.fontpath)))
return False
newDSIG = ttLib.newTable("DSIG")
newDSIG.ulVersion = 1
newDSIG.usFlag = 1
newDSIG.usNumSigs = 1
sig = SignatureRecord()
sig.ulLength = 20
sig.cbSignature = 12
sig.usReserved2 = 0
sig.usReserved1 = 0
sig.pkcs7 = '\xd3M4\xd3M5\xd3M4\xd3M4'
sig.ulFormat = 1
sig.ulOffset = 20
newDSIG.signatureRecords = [sig]
self.font.tables["DSIG"] = newDSIG
return True
def normalise_table(font, tag, padding=4):
""" Return normalised table data. Keep 'font' instance unmodified. """
assert tag in ("glyf", "loca", "head")
assert tag in font
if tag == "head":
origHeadFlags = font["head"].flags
font["head"].flags |= 1 << 11
tableData = font["head"].compile(font)
if font.sfntVersion in ("\x00\x01\x00\x00", "true"):
assert {"glyf", "loca", "head"}.issubset(font.keys())
origIndexFormat = font["head"].indexToLocFormat
if hasattr(font["loca"], "locations"):
origLocations = font["loca"].locations[:]
else:
origLocations = []
glyfTable = ttLib.newTable("glyf")
glyfTable.decompile(font.getTableData("glyf"), font)
glyfTable.padding = padding
if tag == "glyf":
tableData = glyfTable.compile(font)
elif tag == "loca":
glyfTable.compile(font)
tableData = font["loca"].compile(font)
if tag == "head":
glyfTable.compile(font)
font["loca"].compile(font)
tableData = font["head"].compile(font)
font["head"].indexToLocFormat = origIndexFormat
font["loca"].set(origLocations)
if tag == "head":
font["head"].flags = origHeadFlags
return tableData
def _add_stat(font, axes):
# for now we just get the axis tags and nameIDs from the fvar,
# so we can reuse the same nameIDs which were defined in there.
# TODO make use of 'axes' once it adds style attributes info:
# https://github.com/LettError/designSpaceDocument/issues/8
if "STAT" in font:
return
fvarTable = font['fvar']
STAT = font["STAT"] = newTable('STAT')
stat = STAT.table = ot.STAT()
stat.Version = 0x00010002
axisRecords = []
for i, a in enumerate(fvarTable.axes):
axis = ot.AxisRecord()
axis.AxisTag = Tag(a.axisTag)
axis.AxisNameID = a.axisNameID
axis.AxisOrdering = i
axisRecords.append(axis)
axisRecordArray = ot.AxisRecordArray()
axisRecordArray.Axis = axisRecords
# XXX these should not be hard-coded but computed automatically
stat.DesignAxisRecordSize = 8
stat.DesignAxisCount = len(axisRecords)
stat.DesignAxisRecord = axisRecordArray
# for the elided fallback name, we default to the base style name.
# TODO make this user-configurable via designspace document
stat.ElidedFallbackNameID = 2
def main():
# open the source font
f = ttLib.TTFont("NyanTemplate.ttf")
# mapping of image size to directory name
sets = {
15: "pngs"
}
sbix = ttLib.newTable("sbix")
go = f.getGlyphOrder()
for s, d in sets.iteritems():
# make an empty bitmap set for current image size
mySet = BitmapSet(size=s)
for root, dirs, files in walk(d, topdown=False):
for myFile in files:
if myFile[-4:] == ".png":
# use file name without suffix as glyph name
# FIXME: filename clashes with case-sensitive glyph names
glyphname = myFile[:-4]
if glyphname in go: # only use files that have a matching glyph in the source font
print glyphname
img = open(join(root, myFile), "rb")
imgData = img.read()
img.close()
# make a bitmap record for the current image
myBitmap = Bitmap(glyphName=glyphname, imageFormatTag="png ", imageData=imgData)
# add bitmap to current bitmap set
mySet.bitmaps[glyphname] = myBitmap
sbix.bitmapSets[s] = mySet
# add sbix table to the source font
f["sbix"] = sbix
# save font under new name
f.save("Nyan.ttf")
def normalise_table(font, tag, padding=4):
""" Return normalised table data. Keep 'font' instance unmodified. """
assert tag in ('glyf', 'loca', 'head')
assert tag in font
if tag == 'head':
origHeadFlags = font['head'].flags
font['head'].flags |= (1 << 11)
tableData = font['head'].compile(font)
if font.sfntVersion in ("\x00\x01\x00\x00", "true"):
assert {'glyf', 'loca', 'head'}.issubset(font.keys())
origIndexFormat = font['head'].indexToLocFormat
if hasattr(font['loca'], 'locations'):
origLocations = font['loca'].locations[:]
else:
origLocations = []
glyfTable = ttLib.newTable('glyf')
glyfTable.decompile(font.getTableData('glyf'), font)
glyfTable.padding = padding
if tag == 'glyf':
tableData = glyfTable.compile(font)
elif tag == 'loca':
glyfTable.compile(font)
tableData = font['loca'].compile(font)
if tag == 'head':
glyfTable.compile(font)
font['loca'].compile(font)
tableData = font['head'].compile(font)
font['head'].indexToLocFormat = origIndexFormat
font['loca'].set(origLocations)
if tag == 'head':
font['head'].flags = origHeadFlags
return tableData
def makeTable_cmap(ttf, glyphs):
unicodeCMAP = {index: glyph for glyph in glyphs if glyph in ttf["glyf"].glyphs for index in glyphs[glyph][1]}
macRoman = dict(CMAP_MACROMAN)
macRomanCMAP = {index: macRoman[index] if index in macRoman and macRoman[index] in ttf["glyf"].glyphs else '.notdef' for index in range(256)}
# Unicode
cmap4_0_3 = cmap_format_4(4)
cmap4_0_3.platformID = 0
cmap4_0_3.platEncID = 3
cmap4_0_3.language = 0
cmap4_0_3.cmap = unicodeCMAP
# Mac Roman
cmap0_1_0 = cmap_format_0(0)
cmap0_1_0.platformID = 1
cmap0_1_0.platEncID = 0
cmap0_1_0.language = 0
cmap0_1_0.cmap = macRomanCMAP
# Windows
cmap4_3_1 = cmap_format_4(4)
cmap4_3_1.platformID = 3
cmap4_3_1.platEncID = 1
cmap4_3_1.language = 0
cmap4_3_1.cmap = unicodeCMAP
cmap = newTable("cmap")
cmap.tableVersion = 0
cmap.tables = [cmap4_0_3, cmap0_1_0, cmap4_3_1]
ttf["cmap"] = cmap
def test_decompile_not_enough_data(self):
font = self.makeFont(numGlyphs=1, numberOfMetrics=1)
mtxTable = newTable(self.tag)
msg = "not enough '%s' table data" % self.tag
with self.assertRaisesRegex(TTLibError, msg):
mtxTable.decompile(b"\0\0\0", font)
def setupTable_vmtx(self):
"""
Make the vmtx table.
**This should not be called externally.** Subclasses
may override or supplement this method to handle the
table creation in a different way if desired.
"""
self.otf["vmtx"] = vmtx = newTable("vmtx")
vmtx.metrics = {}
for glyphName, glyph in self.allGlyphs.items():
height = glyph.height
verticalOrigin = _getVerticalOrigin(glyph)
top = 0
if len(glyph) or len(glyph.components):
# tsb should be consistent with glyf yMax, which is just
# maximum y for coordinate data
pen = ControlBoundsPen(self.ufo, ignoreSinglePoints=True)
glyph.draw(pen)
if pen.bounds is not None:
top = pen.bounds[3]
# take ceil of tsb/yMax, as fontTools does with max bounds
vmtx[glyphName] = (_roundInt(height),
int(math.ceil(verticalOrigin) - math.ceil(top)))
def _merge_OTL(font, model, master_fonts, axisTags, base_idx):
log.info("Merging OpenType Layout tables")
merger = VariationMerger(model, axisTags, font)
merge_tables(font, merger, master_fonts, axisTags, base_idx, ['GPOS'])
store = merger.store_builder.finish()
try:
GDEF = font['GDEF'].table
assert GDEF.Version <= 0x00010002
except KeyError:
font['GDEF']= newTable('GDEF')
GDEFTable = font["GDEF"] = newTable('GDEF')
GDEF = GDEFTable.table = ot.GDEF()
GDEF.Version = 0x00010003
GDEF.VarStore = store
def test_toXML_v1(self):
name = FakeNameTable({258: "Spring theme", 259: "Winter theme",
513: "darks", 515: "lights"})
cpal = newTable('CPAL')
ttFont = {"name": name, "CPAL": cpal}
cpal.decompile(CPAL_DATA_V1, ttFont)
self.assertEqual(getXML(cpal.toXML, ttFont),
'<version value="1"/>'
'<numPaletteEntries value="3"/>'
'<palette index="0" label="258" type="1">'
' <!-- Spring theme -->'
' <color index="0" value="#CAFECAFE"/>'
' <color index="1" value="#22110033"/>'
' <color index="2" value="#66554477"/>'
'</palette>'
'<palette index="1" label="259" type="2">'
' <!-- Winter theme -->'
' <color index="0" value="#59413127"/>'
' <color index="1" value="#42424242"/>'
' <color index="2" value="#13330037"/>'
'</palette>'
'<paletteEntryLabels>'
' <label index="0" value="513"/><!-- darks -->'
' <label index="1" value="514"/>'
' <label index="2" value="515"/><!-- lights -->'
'</paletteEntryLabels>')
def test_delitem(self):
mtxTable = newTable(self.tag)
mtxTable.metrics = {'A': (0, 0)}
del mtxTable['A']
self.assertTrue('A' not in mtxTable.metrics)
def test_compile_struct_out_of_range(self):
font = self.makeFont(numGlyphs=1, numberOfMetrics=1)
mtxTable = font[self.tag] = newTable(self.tag)
mtxTable.metrics = {'A': (0xFFFF+1, -0x8001)}
with self.assertRaises(struct.error):
mtxTable.compile(font)
def test_addMultilingualName(self):
# Microsoft Windows has language codes for “English” (en)
# and for “Standard German as used in Switzerland” (de-CH).
# In this case, we expect that the implementation just
# encodes the name for the Windows platform; Apple platforms
# have been able to decode Windows names since the early days
# of OSX (~2001). However, Windows has no language code for
# “Swiss German as used in Liechtenstein” (gsw-LI), so we
# expect that the implementation populates the 'ltag' table
# to represent that particular, rather exotic BCP47 code.
font = FakeFont(glyphs=[".notdef", "A"])
nameTable = font.tables['name'] = newTable("name")
with CapturingLogHandler(log, "WARNING") as captor:
widthID = nameTable.addMultilingualName({
"en": "Width",
"de-CH": "Breite",
"gsw-LI": "Bräiti",
}, ttFont=font)
self.assertEqual(widthID, 256)
xHeightID = nameTable.addMultilingualName({
"en": "X-Height",
"gsw-LI": "X-Hööchi"
}, ttFont=font)
self.assertEqual(xHeightID, 257)
captor.assertRegex("cannot add Windows name in language gsw-LI")
self.assertEqual(names(nameTable), [
(256, 0, 4, 0, "Bräiti"),
(256, 3, 1, 0x0409, "Width"),
(256, 3, 1, 0x0807, "Breite"),
(257, 0, 4, 0, "X-Hööchi"),
(257, 3, 1, 0x0409, "X-Height"),
])
self.assertEqual(set(font.tables.keys()), {"ltag", "name"})
self.assertEqual(font["ltag"].tags, ["gsw-LI"])
def _add_gvar(font, model, master_ttfs):
log.info("Generating gvar")
assert "gvar" not in font
gvar = font["gvar"] = newTable('gvar')
gvar.version = 1
gvar.reserved = 0
gvar.variations = {}
for glyph in font.getGlyphOrder():
allData = [_GetCoordinates(m, glyph) for m in master_ttfs]
allCoords = [d[0] for d in allData]
allControls = [d[1] for d in allData]
control = allControls[0]
if (any(c != control for c in allControls)):
warnings.warn("glyph %s has incompatible masters; skipping" % glyph)
continue
del allControls
# Update gvar
gvar.variations[glyph] = []
deltas = model.getDeltas(allCoords)
supports = model.supports
assert len(deltas) == len(supports)
for i,(delta,support) in enumerate(zip(deltas[1:], supports[1:])):
var = TupleVariation(support, delta)
gvar.variations[glyph].append(var)
def makeDSIG(tt_font):
'''
Add a dummy DSIG table to an OpenType-TTF font, so positioning features work in Office applications on Windows.
thanks to Ben Kiel on TypeDrawers:
http://typedrawers.com/discussion/192/making-ot-ttf-layout-features-work-in-ms-word-2010
'''
from fontTools import ttLib
from fontTools.ttLib.tables.D_S_I_G_ import SignatureRecord
newDSIG = ttLib.newTable("DSIG")
newDSIG.ulVersion = 1
newDSIG.usFlag = 1
newDSIG.usNumSigs = 1
sig = SignatureRecord()
sig.ulLength = 20
sig.cbSignature = 12
sig.usReserved2 = 0
sig.usReserved1 = 0
sig.pkcs7 = '\xd3M4\xd3M5\xd3M4\xd3M4'
sig.ulFormat = 1
sig.ulOffset = 20
newDSIG.signatureRecords = [sig]
tt_font["DSIG"] = newDSIG
# ugly but necessary -> so all tables are added to ttfont
# tt_font.lazy = False
for key in tt_font.keys():
print tt_font[key]
def fourStyleFamily(self, position, suffix=None):
"""
Replaces the name table and certain OS/2 values with those that will make a four-style family.
"""
f = self.f
source = TTFont(fourStyleFamilySources[position])
tf = tempfile.mkstemp()
pathToXML = tf[1]
source.saveXML(pathToXML, tables=['name'])
os.close(tf[0])
with open(pathToXML, "r") as temp:
xml = temp.read()
# make the changes
if suffix:
xml = xml.replace("Input", "Input" + suffix)
# save the table
with open(pathToXML, 'w') as temp:
temp.write(xml)
temp.write('\r')
f['OS/2'].usWeightClass = source['OS/2'].usWeightClass
f['OS/2'].fsType = source['OS/2'].fsType
# write the table
f['name'] = newTable('name')
importXML(f, pathToXML)
def setupTable_post(self):
"""
Make the post table.
**This should not be called externally.** Subclasses
may override or supplement this method to handle the
table creation in a different way if desired.
"""
self.otf["post"] = post = newTable("post")
font = self.ufo
post.formatType = 3.0
# italic angle
italicAngle = getAttrWithFallback(font.info, "italicAngle")
post.italicAngle = italicAngle
# underline
underlinePosition = getAttrWithFallback(font.info, "postscriptUnderlinePosition")
if underlinePosition is None:
underlinePosition = 0
post.underlinePosition = _roundInt(underlinePosition)
underlineThickness = getAttrWithFallback(font.info, "postscriptUnderlineThickness")
if underlineThickness is None:
underlineThickness = 0
post.underlineThickness = _roundInt(underlineThickness)
# determine if the font has a fixed width
widths = set([glyph.width for glyph in self.allGlyphs.values()])
post.isFixedPitch = getAttrWithFallback(font.info, "postscriptIsFixedPitch")
# misc
post.minMemType42 = 0
post.maxMemType42 = 0
post.minMemType1 = 0
post.maxMemType1 = 0
def _add_gvar(font, masterModel, master_ttfs, tolerance=0.5, optimize=True):
assert tolerance >= 0
log.info("Generating gvar")
assert "gvar" not in font
gvar = font["gvar"] = newTable('gvar')
gvar.version = 1
gvar.reserved = 0
gvar.variations = {}
glyf = font['glyf']
# use hhea.ascent of base master as default vertical origin when vmtx is missing
baseAscent = font['hhea'].ascent
for glyph in font.getGlyphOrder():
isComposite = glyf[glyph].isComposite()
allData = [
m["glyf"].getCoordinatesAndControls(
glyph, m, defaultVerticalOrigin=baseAscent)
for m in master_ttfs
]
model, allData = masterModel.getSubModel(allData)
allCoords = [d[0] for d in allData]
allControls = [d[1] for d in allData]
control = allControls[0]
if not models.allEqual(allControls):
log.warning("glyph %s has incompatible masters; skipping" % glyph)
continue
del allControls
# Update gvar
gvar.variations[glyph] = []
deltas = model.getDeltas(allCoords)
supports = model.supports
assert len(deltas) == len(supports)
# Prepare for IUP optimization
origCoords = deltas[0]
endPts = control.endPts
for i, (delta, support) in enumerate(zip(deltas[1:], supports[1:])):
if all(abs(v) <= tolerance
for v in delta.array) and not isComposite:
continue
var = TupleVariation(support, delta)
if optimize:
delta_opt = iup_delta_optimize(delta,
origCoords,
endPts,
tolerance=tolerance)
if None in delta_opt:
"""In composite glyphs, there should be one 0 entry
to make sure the gvar entry is written to the font.
This is to work around an issue with macOS 10.14 and can be
removed once the behaviour of macOS is changed.
https://github.com/fonttools/fonttools/issues/1381
"""
if all(d is None for d in delta_opt):
delta_opt = [(0, 0)] + [None] * (len(delta_opt) - 1)
# Use "optimized" version only if smaller...
var_opt = TupleVariation(support, delta_opt)
axis_tags = sorted(support.keys(
)) # Shouldn't matter that this is different from fvar...?
tupleData, auxData, _ = var.compile(axis_tags, [], None)
unoptimized_len = len(tupleData) + len(auxData)
tupleData, auxData, _ = var_opt.compile(
axis_tags, [], None)
optimized_len = len(tupleData) + len(auxData)
if optimized_len < unoptimized_len:
var = var_opt
gvar.variations[glyph].append(var)
def _add_avar(font, axes):
"""
Add 'avar' table to font.
axes is an ordered dictionary of AxisDescriptor objects.
"""
assert axes
assert isinstance(axes, OrderedDict)
log.info("Generating avar")
avar = newTable('avar')
interesting = False
for axis in axes.values():
# Currently, some rasterizers require that the default value maps
# (-1 to -1, 0 to 0, and 1 to 1) be present for all the segment
# maps, even when the default normalization mapping for the axis
# was not modified.
# https://github.com/googlei18n/fontmake/issues/295
# https://github.com/fonttools/fonttools/issues/1011
# TODO(anthrotype) revert this (and 19c4b37) when issue is fixed
curve = avar.segments[axis.tag] = {-1.0: -1.0, 0.0: 0.0, 1.0: 1.0}
if not axis.map:
continue
items = sorted(axis.map)
keys = [item[0] for item in items]
vals = [item[1] for item in items]
# Current avar requirements. We don't have to enforce
# these on the designer and can deduce some ourselves,
# but for now just enforce them.
assert axis.minimum == min(keys)
assert axis.maximum == max(keys)
assert axis.default in keys
# No duplicates
assert len(set(keys)) == len(keys)
assert len(set(vals)) == len(vals)
# Ascending values
assert sorted(vals) == vals
keys_triple = (axis.minimum, axis.default, axis.maximum)
vals_triple = tuple(axis.map_forward(v) for v in keys_triple)
keys = [models.normalizeValue(v, keys_triple) for v in keys]
vals = [models.normalizeValue(v, vals_triple) for v in vals]
if all(k == v for k, v in zip(keys, vals)):
continue
interesting = True
curve.update(zip(keys, vals))
assert 0.0 in curve and curve[0.0] == 0.0
assert -1.0 not in curve or curve[-1.0] == -1.0
assert +1.0 not in curve or curve[+1.0] == +1.0
# curve.update({-1.0: -1.0, 0.0: 0.0, 1.0: 1.0})
assert "avar" not in font
if not interesting:
log.info("No need for avar")
avar = None
else:
font['avar'] = avar
return avar
def _merge_TTHinting(font, masterModel, master_ttfs):
log.info("Merging TT hinting")
assert "cvar" not in font
# Check that the existing hinting is compatible
# fpgm and prep table
for tag in ("fpgm", "prep"):
all_pgms = [m[tag].program for m in master_ttfs if tag in m]
if not all_pgms:
continue
font_pgm = getattr(font.get(tag), 'program', None)
if any(pgm != font_pgm for pgm in all_pgms):
log.warning(
"Masters have incompatible %s tables, hinting is discarded." %
tag)
_remove_TTHinting(font)
return
# glyf table
font_glyf = font['glyf']
master_glyfs = [m['glyf'] for m in master_ttfs]
for name, glyph in font_glyf.glyphs.items():
all_pgms = [
getattr(glyf.get(name), 'program', None) for glyf in master_glyfs
]
if not any(all_pgms):
continue
glyph.expand(font_glyf)
font_pgm = getattr(glyph, 'program', None)
if any(pgm != font_pgm for pgm in all_pgms if pgm):
log.warning(
"Masters have incompatible glyph programs in glyph '%s', hinting is discarded."
% name)
# TODO Only drop hinting from this glyph.
_remove_TTHinting(font)
return
# cvt table
all_cvs = [
Vector(m["cvt "].values) if 'cvt ' in m else None for m in master_ttfs
]
nonNone_cvs = models.nonNone(all_cvs)
if not nonNone_cvs:
# There is no cvt table to make a cvar table from, we're done here.
return
if not models.allEqual(len(c) for c in nonNone_cvs):
log.warning(
"Masters have incompatible cvt tables, hinting is discarded.")
_remove_TTHinting(font)
return
variations = []
deltas, supports = masterModel.getDeltasAndSupports(
all_cvs, round=round
) # builtin round calls into Vector.__round__, which uses builtin round as we like
for i, (delta, support) in enumerate(zip(deltas[1:], supports[1:])):
if all(v == 0 for v in delta):
continue
var = TupleVariation(support, delta)
variations.append(var)
# We can build the cvar table now.
if variations:
cvar = font["cvar"] = newTable('cvar')
cvar.version = 1
cvar.variations = variations
def build_CFF(self):
ctx = self.ctx
data = self.metadataProvider
self.otf["CFF "] = cff = ttLib.newTable("CFF ")
cff = cff.cff
cff.major = 1
cff.minor = 0
cff.hdrSize = 4
cff.offSize = 4
cff.fontNames = []
strings = IndexedStrings()
cff.strings = strings
private = PrivateDict(strings=strings)
private.rawDict.update(private.defaults)
globalSubrs = GlobalSubrsIndex(private=private)
topDict = TopDict(GlobalSubrs=globalSubrs, strings=strings)
topDict.Private = private
charStrings = topDict.CharStrings = CharStrings(
file=None,
charset=None,
globalSubrs=globalSubrs,
private=private,
fdSelect=None,
fdArray=None,
)
charStrings.charStringsAreIndexed = True
topDict.charset = []
charStringsIndex = charStrings.charStringsIndex = SubrsIndex(
private=private, globalSubrs=globalSubrs)
cff.topDictIndex = topDictIndex = TopDictIndex()
topDictIndex.append(topDict)
topDictIndex.strings = strings
cff.GlobalSubrs = globalSubrs
cff.fontNames.append(data.name_postscriptFontName(ctx))
topDict = cff.topDictIndex[0]
topDict.version = data.version(ctx)
topDict.Notice = conversion.to_postscript_string(
data.name_trademark(ctx), lambda result: ctx.log.append(
semlog.warning_attr_truncated(attr="trademark", result=result))
)
topDict.Copyright = conversion.to_postscript_string(
data.copyright(ctx), lambda result: ctx.log.append(
semlog.warning_attr_truncated(attr="copyright", result=result))
)
topDict.FullName = data.name_postscriptFullName(ctx)
topDict.FamilyName = data.CFF_postscriptFamilyName(ctx)
topDict.Weight = data.CFF_postscriptWeightName(ctx)
topDict.isFixedPitch = data.post_isFixedPitch(ctx)
topDict.ItalicAngle = data.italicAngle(ctx)
topDict.UnderlinePosition = otRound(data.post_underlinePosition(ctx))
topDict.UnderlineThickness = otRound(data.post_underlineThickness(ctx))
scale = 1.0 / otRound(data.unitsPerEm(ctx))
topDict.FontMatrix = [scale, 0, 0, scale, 0, 0]
defaultWidthX, nominalWidthX = FontProc.postscript_width_stats(
ctx, self.otf)
if defaultWidthX:
private.rawDict["defaultWidthX"] = defaultWidthX
if nominalWidthX:
private.rawDict["nominalWidthX"] = nominalWidthX
blueFuzz = otRound(data.CFF_postscriptBlueFuzz(ctx))
blueShift = otRound(data.CFF_postscriptBlueShift(ctx))
blueScale = data.CFF_postscriptBlueScale(ctx)
forceBold = data.CFF_postscriptForceBold(ctx)
blueValues = otRoundSequence(data.CFF_postscriptBlueValues(ctx))
otherBlues = otRoundSequence(data.CFF_postscriptOtherBlues(ctx))
familyBlues = otRoundSequence(data.CFF_postscriptFamilyBlues(ctx))
familyOtherBlues = otRoundSequence(
data.CFF_postscriptFamilyOtherBlues(ctx))
stemSnapH = otRoundSequence(data.CFF_postscriptStemSnapH(ctx))
stemSnapV = otRoundSequence(data.CFF_postscriptStemSnapV(ctx))
# only write the blues data if some blues are defined.
if any((blueValues, otherBlues, familyBlues, familyOtherBlues)):
private.rawDict["BlueFuzz"] = blueFuzz
private.rawDict["BlueShift"] = blueShift
private.rawDict["BlueScale"] = blueScale
private.rawDict["ForceBold"] = forceBold
if blueValues:
private.rawDict["BlueValues"] = blueValues
if otherBlues:
private.rawDict["OtherBlues"] = otherBlues
if familyBlues:
private.rawDict["FamilyBlues"] = familyBlues
if familyOtherBlues:
private.rawDict["FamilyOtherBlues"] = familyOtherBlues
# only write the stems if both are defined.
if stemSnapH and stemSnapV:
private.rawDict["StemSnapH"] = stemSnapH
private.rawDict["StdHW"] = stemSnapH[0]
private.rawDict["StemSnapV"] = stemSnapV
private.rawDict["StdVW"] = stemSnapV[0]
# populate glyphs
for glyphName in self.glyphOrder:
glyph = self.glyphMap[glyphName]
charString = self.draw_charstring(glyph, private, globalSubrs)
# add to the font
charStringsIndex.append(charString)
glyphID = len(topDict.charset)
charStrings.charStrings[glyphName] = glyphID
topDict.charset.append(glyphName)
bounds = self.fontBounds
topDict.FontBBox = (bounds.left, bounds.bottom, bounds.right,
bounds.top)
def setUp(self):
vhea = newTable('vhea')
self.font = TTFont(sfntVersion='OTTO')
self.font['vhea'] = vhea
def nametable_from_filename(filepath):
"""Generate a new nametable based on a ttf and the GF Spec"""
font = TTFont(filepath)
old_table = font['name']
new_table = newTable('name')
filename = ntpath.basename(filepath)[:-4]
family_name, style_name = filename.split('-')
family_name = _split_camelcase(family_name)
font_version = font['name'].getName(5, 3, 1, 1033)
font_version = str(font_version).decode('utf_16_be')
vendor_id = font['OS/2'].achVendID
# SET MAC NAME FIELDS
# -------------------
# Copyright
old_cp = old_table.getName(0, 3, 1, 1033).string.decode('utf_16_be')
new_table.setName(old_cp.encode('mac_roman'), 0, 1, 0, 0)
# Font Family Name
new_table.setName(family_name.encode('mac_roman'), 1, 1, 0, 0)
# Subfamily name
mac_subfamily_name = _mac_subfamily_name(style_name).encode('mac_roman')
new_table.setName(mac_subfamily_name, 2, 1, 0, 0)
# Unique ID
unique_id = _unique_id(_version(font_version), vendor_id, filename)
mac_unique_id = unique_id.encode('mac_roman')
new_table.setName(mac_unique_id, 3, 1, 0, 0)
# Full name
fullname = _full_name(family_name, style_name)
mac_fullname = fullname.encode('mac_roman')
new_table.setName(mac_fullname, 4, 1, 0, 0)
# Version string
old_v = old_table.getName(5, 3, 1, 1033).string.decode('utf_16_be')
mac_old_v = old_v.encode('mac_roman')
new_table.setName(mac_old_v, 5, 1, 0, 0)
# Postscript name
mac_ps_name = filename.encode('mac_roman')
new_table.setName(mac_ps_name, 6, 1, 0, 0)
# SET WIN NAME FIELDS
# -------------------
# Copyright
new_table.setName(old_cp, 0, 3, 1, 1033)
# Font Family Name
win_family_name = _win_family_name(family_name, style_name)
win_family_name = win_family_name.encode('utf_16_be')
new_table.setName(win_family_name, 1, 3, 1, 1033)
# Subfamily Name
win_subfamily_name = _win_subfamily_name(style_name).encode('utf_16_be')
new_table.setName(win_subfamily_name, 2, 3, 1, 1033)
# Unique ID
win_unique_id = unique_id.encode('utf_16_be')
new_table.setName(win_unique_id, 3, 3, 1, 1033)
# Full name
win_fullname = fullname.encode('utf_16_be')
new_table.setName(win_fullname, 4, 3, 1, 1033)
# Version string
win_old_v = old_v.encode('utf_16_be')
new_table.setName(win_old_v, 5, 3, 1, 1033)
# Postscript name
win_ps_name = filename.encode('utf_16_be')
new_table.setName(win_ps_name, 6, 3, 1, 1033)
if style_name not in WIN_SAFE_STYLES:
# Preferred Family Name
new_table.setName(family_name.encode('utf_16_be'), 16, 3, 1, 1033)
# Preferred SubfamilyName
win_pref_subfam_name = _mac_subfamily_name(style_name).encode(
'utf_16_be')
new_table.setName(win_pref_subfam_name, 17, 3, 1, 1033)
# PAD missing fields
# ------------------
for field in REQUIRED_FIELDS:
text = None
if new_table.getName(*field):
pass # Name has already been updated
elif old_table.getName(*field):
text = old_table.getName(*field).string
elif old_table.getName(field[0], 3, 1, 1033):
text = old_table.getName(field[0], 3, 1,
1033).string.decode('utf_16_be')
elif old_table.getName(field[0], 1, 0,
0): # check if field exists for mac
text = old_table.getName(field[0], 3, 1,
1033).string.decode('mac_roman')
if text:
enc = 'utf_16_be' if field[0] == 3 else 'mac_roman'
new_table.setName(text.encode(enc), *field)
return new_table
def test_compile_v1(self):
cpal = newTable('CPAL')
cpal.decompile(CPAL_DATA_V1, ttFont=None)
self.assertEqual(cpal.compile(ttFont=None), CPAL_DATA_V1)
def test_decompile_toXML_version_1_1(self):
table = newTable('STAT')
table.decompile(STAT_DATA_VERSION_1_1,
font=FakeFont(['.notdef']))
self.assertEqual(getXML(table.toXML), STAT_XML_VERSION_1_1)
def test_decompile_toXML_format3(self):
table = newTable('STAT')
table.decompile(STAT_DATA_AXIS_VALUE_FORMAT3,
font=FakeFont(['.notdef']))
self.assertEqual(getXML(table.toXML), STAT_XML_AXIS_VALUE_FORMAT3)
def test_decompile_toXML(self):
table = newTable('STAT')
table.decompile(STAT_DATA, font=FakeFont(['.notdef']))
self.assertEqual(getXML(table.toXML), STAT_XML)
def _add_fvar(font, axes, instances):
"""
Add 'fvar' table to font.
axes is an ordered dictionary of DesignspaceAxis objects.
instances is list of dictionary objects with 'location', 'stylename',
and possibly 'postscriptfontname' entries.
"""
assert axes
assert isinstance(axes, OrderedDict)
log.info("Generating fvar")
fvar = newTable('fvar')
nameTable = font['name']
for a in axes.values():
axis = Axis()
axis.axisTag = Tag(a.tag)
# TODO Skip axes that have no variation.
axis.minValue, axis.defaultValue, axis.maxValue = a.minimum, a.default, a.maximum
axis.axisNameID = nameTable.addMultilingualName(a.labelNames,
font,
minNameID=256)
axis.flags = int(a.hidden)
fvar.axes.append(axis)
for instance in instances:
coordinates = instance.location
if "en" not in instance.localisedStyleName:
if not instance.styleName:
raise VarLibValidationError(
f"Instance at location '{coordinates}' must have a default English "
"style name ('stylename' attribute on the instance element or a "
"stylename element with an 'xml:lang=\"en\"' attribute).")
localisedStyleName = dict(instance.localisedStyleName)
localisedStyleName["en"] = tostr(instance.styleName)
else:
localisedStyleName = instance.localisedStyleName
psname = instance.postScriptFontName
inst = NamedInstance()
inst.subfamilyNameID = nameTable.addMultilingualName(
localisedStyleName)
if psname is not None:
psname = tostr(psname)
inst.postscriptNameID = nameTable.addName(psname)
inst.coordinates = {
axes[k].tag: axes[k].map_backward(v)
for k, v in coordinates.items()
}
#inst.coordinates = {axes[k].tag:v for k,v in coordinates.items()}
fvar.instances.append(inst)
assert "fvar" not in font
font['fvar'] = fvar
return fvar
def _merge_TTHinting(font, masterModel, master_ttfs, tolerance=0.5):
log.info("Merging TT hinting")
assert "cvar" not in font
# Check that the existing hinting is compatible
# fpgm and prep table
for tag in ("fpgm", "prep"):
all_pgms = [m[tag].program for m in master_ttfs if tag in m]
if len(all_pgms) == 0:
continue
if tag in font:
font_pgm = font[tag].program
else:
font_pgm = Program()
if any(pgm != font_pgm for pgm in all_pgms):
log.warning(
"Masters have incompatible %s tables, hinting is discarded." %
tag)
_remove_TTHinting(font)
return
# glyf table
for name, glyph in font["glyf"].glyphs.items():
all_pgms = [
m["glyf"][name].program for m in master_ttfs
if name in m['glyf'] and hasattr(m["glyf"][name], "program")
]
if not any(all_pgms):
continue
glyph.expand(font["glyf"])
if hasattr(glyph, "program"):
font_pgm = glyph.program
else:
font_pgm = Program()
if any(pgm != font_pgm for pgm in all_pgms if pgm):
log.warning(
"Masters have incompatible glyph programs in glyph '%s', hinting is discarded."
% name)
# TODO Only drop hinting from this glyph.
_remove_TTHinting(font)
return
# cvt table
all_cvs = [
Vector(m["cvt "].values) if 'cvt ' in m else None for m in master_ttfs
]
nonNone_cvs = models.nonNone(all_cvs)
if not nonNone_cvs:
# There is no cvt table to make a cvar table from, we're done here.
return
if not models.allEqual(len(c) for c in nonNone_cvs):
log.warning(
"Masters have incompatible cvt tables, hinting is discarded.")
_remove_TTHinting(font)
return
# We can build the cvar table now.
cvar = font["cvar"] = newTable('cvar')
cvar.version = 1
cvar.variations = []
deltas, supports = masterModel.getDeltasAndSupports(all_cvs)
for i, (delta, support) in enumerate(zip(deltas[1:], supports[1:])):
delta = [otRound(d) for d in delta]
if all(abs(v) <= tolerance for v in delta):
continue
var = TupleVariation(support, delta)
cvar.variations.append(var)
def _add_MVAR(font, masterModel, master_ttfs, axisTags):
log.info("Generating MVAR")
store_builder = varStore.OnlineVarStoreBuilder(axisTags)
records = []
lastTableTag = None
fontTable = None
tables = None
# HACK: we need to special-case post.underlineThickness and .underlinePosition
# and unilaterally/arbitrarily define a sentinel value to distinguish the case
# when a post table is present in a given master simply because that's where
# the glyph names in TrueType must be stored, but the underline values are not
# meant to be used for building MVAR's deltas. The value of -0x8000 (-36768)
# the minimum FWord (int16) value, was chosen for its unlikelyhood to appear
# in real-world underline position/thickness values.
specialTags = {"unds": -0x8000, "undo": -0x8000}
for tag, (tableTag, itemName) in sorted(MVAR_ENTRIES.items(),
key=lambda kv: kv[1]):
# For each tag, fetch the associated table from all fonts (or not when we are
# still looking at a tag from the same tables) and set up the variation model
# for them.
if tableTag != lastTableTag:
tables = fontTable = None
if tableTag in font:
fontTable = font[tableTag]
tables = []
for master in master_ttfs:
if tableTag not in master or (
tag in specialTags
and getattr(master[tableTag],
itemName) == specialTags[tag]):
tables.append(None)
else:
tables.append(master[tableTag])
model, tables = masterModel.getSubModel(tables)
store_builder.setModel(model)
lastTableTag = tableTag
if tables is None: # Tag not applicable to the master font.
continue
# TODO support gasp entries
master_values = [getattr(table, itemName) for table in tables]
if models.allEqual(master_values):
base, varIdx = master_values[0], None
else:
base, varIdx = store_builder.storeMasters(master_values)
setattr(fontTable, itemName, base)
if varIdx is None:
continue
log.info(' %s: %s.%s %s', tag, tableTag, itemName, master_values)
rec = ot.MetricsValueRecord()
rec.ValueTag = tag
rec.VarIdx = varIdx
records.append(rec)
assert "MVAR" not in font
if records:
store = store_builder.finish()
# Optimize
mapping = store.optimize()
for rec in records:
rec.VarIdx = mapping[rec.VarIdx]
MVAR = font["MVAR"] = newTable('MVAR')
mvar = MVAR.table = ot.MVAR()
mvar.Version = 0x00010000
mvar.Reserved = 0
mvar.VarStore = store
# XXX these should not be hard-coded but computed automatically
mvar.ValueRecordSize = 8
mvar.ValueRecordCount = len(records)
mvar.ValueRecord = sorted(records, key=lambda r: r.ValueTag)
def test_compile_fromXML_version_1_1(self):
table = newTable('STAT')
font = FakeFont(['.notdef'])
for name, attrs, content in parseXML(STAT_XML_VERSION_1_1):
table.fromXML(name, attrs, content, font=font)
self.assertEqual(table.compile(font), STAT_DATA_VERSION_1_1)
def colorize(font):
COLR = newTable("COLR")
CPAL = newTable("CPAL")
glyf = font["glyf"]
hmtx = font["hmtx"]
CPAL.version = 0
COLR.version = 0
palette = list(GROUPS.values())
palette.append(BLACK)
CPAL.palettes = [palette]
CPAL.numPaletteEntries = len(palette)
COLR.ColorLayers = {}
glyphOrder = list(font.getGlyphOrder())
for name in glyphOrder:
glyph = glyf[name]
layers = []
if glyph.isComposite() and len(glyph.components) > 1:
componentColors = [
getGlyphColor(c.getComponentInfo()[0])
for c in glyph.components
]
if any(componentColors):
for component in glyph.components:
componentName, trans = component.getComponentInfo()
componentColor = getGlyphColor(componentName)
if trans == (1, 0, 0, 1, 0, 0):
if componentColor is None:
# broken in current versions of Firefox,
# see https://bugzilla.mozilla.org/show_bug.cgi?id=1283932
#layers.append(newLayer(componentName, 0xFFFF)) # broken if FF47
layers.append(
newLayer(componentName, palette.index(BLACK)))
else:
layers.append(
newLayer(componentName,
palette.index(componentColor)))
else:
newName = "%s.%s" % (componentName, hash(trans))
if newName not in font.glyphOrder:
font.glyphOrder.append(newName)
newGlyph = getTableModule("glyf").Glyph()
newGlyph.numberOfContours = -1
newGlyph.components = [component]
glyf.glyphs[newName] = newGlyph
assert (len(glyf.glyphs) == len(
font.glyphOrder)), (name, newName)
width = hmtx[name][0]
lsb = hmtx[componentName][1] + trans[4]
hmtx.metrics[newName] = [width, lsb]
if componentColor is None:
# broken in current versions of Firefox,
# see https://bugzilla.mozilla.org/show_bug.cgi?id=1283932
#layers.append(newLayer(componentName, 0xFFFF)) # broken if FF47
layers.append(
newLayer(newName, palette.index(BLACK)))
else:
layers.append(
newLayer(newName,
palette.index(componentColor)))
if not layers:
color = getGlyphColor(name)
if color is not None:
layers = [newLayer(name, palette.index(color))]
if layers:
COLR[name] = layers
font["COLR"] = COLR
font["CPAL"] = CPAL
def changeUPM(self, targetUPM):
# Calculate scaling factor between old and new UPM
upmOld = self.font["head"].unitsPerEm
upmNew = int(targetUPM)
isCubic = self.font.has_key("CFF ")
if upmOld == upmNew:
return
elif upmNew < 16 or upmNew > 16384:
print("WARNING: Invalid UPM value. --UPM is now ignored.",
file=sys.stderr)
return
elif isCubic:
print(
"WARNING: CFF-based font detected. Unfortunately it is currently not supported.",
file=sys.stderr)
return
elif upmNew > 5000:
print(
"WARNING: UPM > 5000 will cause problems in Adobe InDesign and Illustrator.",
file=sys.stderr)
else:
pass
scaleFactor = upmNew / upmOld # Get float because __future__.division has been imported
# Conversion: re-scale all glyphs
scaledGlyphs = {}
glyphOrder = self.font.getGlyphOrder()
glyphSet = self.font.getGlyphSet()
for glyphName in glyphSet.keys():
glyph = glyphSet[glyphName]
if isCubic: # TODO: `CFF `
# basePen = OTGlyphPen(glyphSet)
pass
else: # `glyf`
basePen = TTGlyphPen(glyphSet)
scalePen = TransformPen(basePen, Scale(scaleFactor, scaleFactor))
# Deal with quad composites (all cubics are not affected)
if not isCubic and glyph._glyph.isComposite(
): # Scale each component's xy offset
glyph.draw(basePen)
for i in range(len(basePen.components)):
componentName, oldTrans = basePen.components[i]
newTrans = (oldTrans[0], oldTrans[1], oldTrans[2],
oldTrans[3], oldTrans[4] * scaleFactor,
oldTrans[5] * scaleFactor)
basePen.components[i] = (componentName, newTrans)
else: # Scale all cubics or base quads so that their composites will not be scaled multiple times
glyph.draw(scalePen)
# Glyph-specific hinting will be removed upon TTGlyphPen.glyph() call.
scaledGlyphs[glyphName] = basePen.glyph()
# Apply `glyf` table with scaled glyphs
glyf = newTable("glyf")
glyf.glyphOrder = glyphOrder
glyf.glyphs = scaledGlyphs
self.font["glyf"] = glyf
# Update tables to apply the new UPM
self.__applyNewUPM(upmOld, upmNew)
# Recalculate `head`, `glyf`, `maxp` upon compile
self.font.recalcBBoxes = True
return
def build_OS2(self):
ctx = self.ctx
data = self.metadataProvider
self.otf["OS/2"] = os2 = ttLib.newTable("OS/2")
os2.version = 0x0004
os2.xAvgCharWidth = FontProc.average_char_width(ctx, self.otf)
os2.usWeightClass = data.OS2_weightClass(ctx)
os2.usWidthClass = data.OS2_widthClass(ctx)
os2.fsType = data.OS2_fsType(ctx)
os2.ySubscriptXSize = otRound(data.OS2_subscriptXSize(ctx))
os2.ySubscriptYSize = otRound(data.OS2_subscriptYSize(ctx))
os2.ySubscriptXOffset = otRound(data.OS2_subscriptXOffset(ctx))
os2.ySubscriptYOffset = otRound(data.OS2_subscriptYOffset(ctx))
os2.ySuperscriptXSize = otRound(data.OS2_superscriptXSize(ctx))
os2.ySuperscriptYSize = otRound(data.OS2_superscriptYSize(ctx))
os2.ySuperscriptXOffset = otRound(data.OS2_superscriptXOffset(ctx))
os2.ySuperscriptYOffset = otRound(data.OS2_superscriptYOffset(ctx))
os2.yStrikeoutSize = otRound(data.OS2_strikeoutSize(ctx))
os2.yStrikeoutPosition = otRound(data.OS2_strikeoutPosition(ctx))
os2.sFamilyClass = data.OS2_familyClass(ctx)
panose = Panose()
panose.bFamilyType, \
panose.bSerifStyle, \
panose.bWeight, \
panose.bProportion, \
panose.bContrast, \
panose.bStrokeVariation, \
panose.bArmStyle, \
panose.bLetterForm, \
panose.bMidline, \
panose.bXHeight = data.OS2_panose(ctx)
os2.panose = panose
unicodeRanges = data.OS2_unicodeRanges(ctx)
if unicodeRanges is not None:
os2.ulUnicodeRange1 = conversion.to_bitflags(unicodeRanges, 0, 32)
os2.ulUnicodeRange2 = conversion.to_bitflags(unicodeRanges, 32, 32)
os2.ulUnicodeRange3 = conversion.to_bitflags(unicodeRanges, 64, 32)
os2.ulUnicodeRange4 = conversion.to_bitflags(unicodeRanges, 96, 32)
else:
os2.recalcUnicodeRanges(self.otf)
codepageRanges = data.OS2_codepageRanges(ctx)
if codepageRanges is None:
codepageRanges = FontProc.codepage_ranges(
ctx, self.unicodeToGlyphNameMap.keys())
os2.ulCodePageRange1 = conversion.to_bitflags(codepageRanges, 0, 32)
os2.ulCodePageRange2 = conversion.to_bitflags(codepageRanges, 32, 32)
os2.achVendID = data.OS2_vendorID(ctx)
os2.sxHeight = otRound(data.xHeight(ctx))
os2.sCapHeight = otRound(data.capHeight(ctx))
os2.sTypoAscender, \
os2.sTypoDescender, \
os2.sTypoLineGap = otRoundSequence(data.OS2_typoMetrics(ctx))
os2.usWinAscent, \
os2.usWinDescent = otRoundSequence(data.OS2_winMetrics(ctx, self.fontBounds))
os2.fsSelection = data.OS2_fsSelection(ctx)
os2.fsFirstCharIndex, \
os2.fsLastCharIndex = FontProc.minmax_cids(ctx, self.unicodeToGlyphNameMap.keys())
os2.usBreakChar = 32
os2.usDefaultChar = 0
# maximum contextual lookup length
os2.usMaxContext = 0
import os
import sys
from fontTools.ttLib import TTFont, newTable
print 'inserting STAT table from external file...'
arguments = sys.argv[1:]
path = arguments[0]
f = TTFont(path)
base = os.path.split(os.path.split(__file__)[0])[0]
pathToXML = os.path.join(base, 'sources/2-build/STAT.ttx')
f['STAT'] = newTable('STAT')
f.importXML(pathToXML)
os.remove(path)
f.save(path)
def build_maxp(self):
self.otf["maxp"] = maxp = ttLib.newTable("maxp")
maxp.tableVersion = 0x00005000
maxp.numGlyphs = len(self.glyphOrder)
def _add_gvar(font, masterModel, master_ttfs, tolerance=0.5, optimize=True):
if tolerance < 0:
raise ValueError("`tolerance` must be a positive number.")
log.info("Generating gvar")
assert "gvar" not in font
gvar = font["gvar"] = newTable('gvar')
glyf = font['glyf']
defaultMasterIndex = masterModel.reverseMapping[0]
master_datas = [
_MasterData(m['glyf'], m['hmtx'].metrics,
getattr(m.get('vmtx'), 'metrics', None))
for m in master_ttfs
]
for glyph in font.getGlyphOrder():
isComposite = glyf[glyph].isComposite()
allData = [
m.glyf._getCoordinatesAndControls(glyph, m.hMetrics, m.vMetrics)
for m in master_datas
]
if allData[defaultMasterIndex][1].numberOfContours != 0:
# If the default master is not empty, interpret empty non-default masters
# as missing glyphs from a sparse master
allData = [
d if d is not None and d[1].numberOfContours != 0 else None
for d in allData
]
model, allData = masterModel.getSubModel(allData)
allCoords = [d[0] for d in allData]
allControls = [d[1] for d in allData]
control = allControls[0]
if not models.allEqual(allControls):
log.warning("glyph %s has incompatible masters; skipping" % glyph)
continue
del allControls
# Update gvar
gvar.variations[glyph] = []
deltas = model.getDeltas(allCoords,
round=partial(GlyphCoordinates.__round__,
round=round))
supports = model.supports
assert len(deltas) == len(supports)
# Prepare for IUP optimization
origCoords = deltas[0]
endPts = control.endPts
for i, (delta, support) in enumerate(zip(deltas[1:], supports[1:])):
if all(v == 0 for v in delta.array) and not isComposite:
continue
var = TupleVariation(support, delta)
if optimize:
delta_opt = iup_delta_optimize(delta,
origCoords,
endPts,
tolerance=tolerance)
if None in delta_opt:
"""In composite glyphs, there should be one 0 entry
to make sure the gvar entry is written to the font.
This is to work around an issue with macOS 10.14 and can be
removed once the behaviour of macOS is changed.
https://github.com/fonttools/fonttools/issues/1381
"""
if all(d is None for d in delta_opt):
delta_opt = [(0, 0)] + [None] * (len(delta_opt) - 1)
# Use "optimized" version only if smaller...
var_opt = TupleVariation(support, delta_opt)
axis_tags = sorted(support.keys(
)) # Shouldn't matter that this is different from fvar...?
tupleData, auxData = var.compile(axis_tags)
unoptimized_len = len(tupleData) + len(auxData)
tupleData, auxData = var_opt.compile(axis_tags)
optimized_len = len(tupleData) + len(auxData)
if optimized_len < unoptimized_len:
var = var_opt
gvar.variations[glyph].append(var)
def test_decompile_toXML_format1(self):
table = newTable('opbd')
table.decompile(OPBD_FORMAT_1_DATA, self.font)
self.assertEqual(getXML(table.toXML), OPBD_FORMAT_1_XML)
def makeLookup1():
# make a variation of the shell TTX data
f = open(shellSourcePath)
ttxData = f.read()
f.close()
ttxData = ttxData.replace("__familyName__", "gsubtest-lookup1")
tempShellSourcePath = shellSourcePath + ".temp"
f = open(tempShellSourcePath, "wb")
f.write(ttxData)
f.close()
# compile the shell
shell = TTFont(sfntVersion="OTTO")
shell.importXML(tempShellSourcePath)
shell.save(shellTempPath)
os.remove(tempShellSourcePath)
# load the shell
shell = TTFont(shellTempPath)
# grab the PASS and FAIL data
hmtx = shell["hmtx"]
glyphSet = shell.getGlyphSet()
failGlyph = glyphSet["F"]
failGlyph.decompile()
failGlyphProgram = list(failGlyph.program)
failGlyphMetrics = hmtx["F"]
passGlyph = glyphSet["P"]
passGlyph.decompile()
passGlyphProgram = list(passGlyph.program)
passGlyphMetrics = hmtx["P"]
# grab some tables
hmtx = shell["hmtx"]
cmap = shell["cmap"]
# start the glyph order
existingGlyphs = [".notdef", "space", "F", "P"]
glyphOrder = list(existingGlyphs)
# start the CFF
cff = shell["CFF "].cff
globalSubrs = cff.GlobalSubrs
topDict = cff.topDictIndex[0]
topDict.charset = existingGlyphs
private = topDict.Private
charStrings = topDict.CharStrings
charStringsIndex = charStrings.charStringsIndex
features = sorted(mapping)
# build the outline, hmtx and cmap data
cp = baseCodepoint
for index, tag in enumerate(features):
# tag.pass
glyphName = "%s.pass" % tag
glyphOrder.append(glyphName)
addGlyphToCFF(glyphName=glyphName,
program=passGlyphProgram,
private=private,
globalSubrs=globalSubrs,
charStringsIndex=charStringsIndex,
topDict=topDict,
charStrings=charStrings)
hmtx[glyphName] = passGlyphMetrics
for table in cmap.tables:
if table.format == 4:
table.cmap[cp] = glyphName
else:
raise NotImplementedError, "Unsupported cmap table format: %d" % table.format
cp += 1
# tag.fail
glyphName = "%s.fail" % tag
glyphOrder.append(glyphName)
addGlyphToCFF(glyphName=glyphName,
program=failGlyphProgram,
private=private,
globalSubrs=globalSubrs,
charStringsIndex=charStringsIndex,
topDict=topDict,
charStrings=charStrings)
hmtx[glyphName] = failGlyphMetrics
for table in cmap.tables:
if table.format == 4:
table.cmap[cp] = glyphName
else:
raise NotImplementedError, "Unsupported cmap table format: %d" % table.format
# bump this up so that the sequence is the same as the lookup 3 font
cp += 3
# set the glyph order
shell.setGlyphOrder(glyphOrder)
# start the GSUB
shell["GSUB"] = newTable("GSUB")
gsub = shell["GSUB"].table = GSUB()
gsub.Version = 1.0
# make a list of all the features we will make
featureCount = len(features)
# set up the script list
scriptList = gsub.ScriptList = ScriptList()
scriptList.ScriptCount = 1
scriptList.ScriptRecord = []
scriptRecord = ScriptRecord()
scriptList.ScriptRecord.append(scriptRecord)
scriptRecord.ScriptTag = "DFLT"
script = scriptRecord.Script = Script()
defaultLangSys = script.DefaultLangSys = DefaultLangSys()
defaultLangSys.FeatureCount = featureCount
defaultLangSys.FeatureIndex = range(defaultLangSys.FeatureCount)
defaultLangSys.ReqFeatureIndex = 65535
defaultLangSys.LookupOrder = None
script.LangSysCount = 0
script.LangSysRecord = []
# set up the feature list
featureList = gsub.FeatureList = FeatureList()
featureList.FeatureCount = featureCount
featureList.FeatureRecord = []
for index, tag in enumerate(features):
# feature record
featureRecord = FeatureRecord()
featureRecord.FeatureTag = tag
feature = featureRecord.Feature = Feature()
featureList.FeatureRecord.append(featureRecord)
# feature
feature.FeatureParams = None
feature.LookupCount = 1
feature.LookupListIndex = [index]
# write the lookups
lookupList = gsub.LookupList = LookupList()
lookupList.LookupCount = featureCount
lookupList.Lookup = []
for tag in features:
# lookup
lookup = Lookup()
lookup.LookupType = 1
lookup.LookupFlag = 0
lookup.SubTableCount = 1
lookup.SubTable = []
lookupList.Lookup.append(lookup)
# subtable
subtable = SingleSubst()
subtable.Format = 2
subtable.LookupType = 1
subtable.mapping = {
"%s.pass" % tag: "%s.fail" % tag,
"%s.fail" % tag: "%s.pass" % tag,
}
lookup.SubTable.append(subtable)
path = outputPath % 1 + ".otf"
if os.path.exists(path):
os.remove(path)
shell.save(path)
# get rid of the shell
if os.path.exists(shellTempPath):
os.remove(shellTempPath)
def test_compile_fromXML(self):
table = newTable('morx')
for name, attrs, content in parseXML(MORX_NONCONTEXTUAL_XML):
table.fromXML(name, attrs, content, font=self.font)
self.assertEqual(hexStr(table.compile(self.font)),
hexStr(MORX_NONCONTEXTUAL_DATA))
def test_compile_fromXML_format1(self):
table = newTable('opbd')
for name, attrs, content in parseXML(OPBD_FORMAT_1_XML):
table.fromXML(name, attrs, content, font=self.font)
self.assertEqual(hexStr(table.compile(self.font)),
hexStr(OPBD_FORMAT_1_DATA))
def test_decompile_AppleChancery(self):
# Make sure we do not crash when decompiling the 'opbd' table of
# AppleChancery.ttf. https://github.com/fonttools/fonttools/issues/1031
table = newTable('opbd')
table.decompile(OPBD_APPLE_CHANCERY_DATA, self.font)
self.assertIn('<OpticalBounds Format="0">', getXML(table.toXML))
def processFont(path, d, flatKernData):
font = TTFont(path)
oldD, f = os.path.split(path)
new = os.path.join(d, f)
name = font['name'].getName(6, 1, 0, 0).string
# Make a flat kerning table
if flatKernData is not None:
newKern = ttLib.newTable("kern")
newKern.version = 0
newKern.kernTables = [KernTable_format_0()]
flat = flatKernData[name]
sortedKeys = flat.keys()
sortedKeys.sort()
left = ''
i = 0
for key in sortedKeys:
if left == '':
left = key[0]
kern_table = {key: flat[key]}
count = _flat_kern_count(left, sortedKeys)
i += 1
elif i + 1 < len(sortedKeys) and left != sortedKeys[i + 1][0]:
if count + _flat_kern_count(sortedKeys[i + 1][0],
sortedKeys) > 10920:
kern_table[key] = flat[key]
t = len(newKern.kernTables) - 1
table = newKern.kernTables[t]
table.kernTable = kern_table
table.version = 0
table.coverage = 1
table.apple = False
newKern.kernTables.append(KernTable_format_0())
left = ''
else:
kern_table[key] = flat[key]
left = sortedKeys[i + 1][0]
count = _flat_kern_count(sortedKeys[i + 1][0],
sortedKeys) + count
i += 1
elif len(sortedKeys) == i + 1:
kern_table[key] = flat[key]
t = len(newKern.kernTables) - 1
table = newKern.kernTables[t]
table.kernTable = kern_table
table.version = 0
table.coverage = 1
table.apple = False
i += 1
else:
kern_table[key] = flat[key]
i += 1
# Add this table back to the font
font.tables["kern"] = newKern
# Fix the ugly id string
versionClean(font)
nameTableTweak(font)
makeDSIG(font)
font.save(new)
def test_compile_fromXML_withAxisJunk(self):
table = newTable('STAT')
font = FakeFont(['.notdef'])
for name, attrs, content in parseXML(STAT_XML_WITH_AXIS_JUNK):
table.fromXML(name, attrs, content, font=font)
self.assertEqual(table.compile(font), STAT_DATA_WITH_AXIS_JUNK)
def test_compile_v1_noLabelsNoTypes(self):
cpal = newTable('CPAL')
cpal.decompile(CPAL_DATA_V1_NOLABELS_NOTYPES, ttFont=None)
self.assertEqual(cpal.compile(ttFont=None),
CPAL_DATA_V1_NOLABELS_NOTYPES)
def test_decompile_toXML_withAxisJunk(self):
table = newTable('STAT')
table.decompile(STAT_DATA_WITH_AXIS_JUNK, font=FakeFont(['.notdef']))
self.assertEqual(getXML(table.toXML), STAT_XML_WITH_AXIS_JUNK)
def test_compile_fromXML_format3(self):
table = newTable('STAT')
font = FakeFont(['.notdef'])
for name, attrs, content in parseXML(STAT_XML_AXIS_VALUE_FORMAT3):
table.fromXML(name, attrs, content, font=font)
self.assertEqual(table.compile(font), STAT_DATA_AXIS_VALUE_FORMAT3)