def setupFile_featureTables(self):
"""
Compile and return OpenType feature tables from the source.
Raises a FeaLibError if the feature compilation was unsuccessful.
**This should not be called externally.** Subclasses
may override this method to handle the table compilation
in a different way if desired.
"""
if self.mtiFeaFiles is not None:
for tag, feapath in self.mtiFeaFiles.items():
with open(feapath) as feafile:
table = mtiLib.build(feafile, self.outline)
assert table.tableTag == tag
self.outline[tag] = table
elif self.features.strip():
if self.font.path is not None:
self.features = forceAbsoluteIncludesInFeatures(self.features, self.font.path)
fd, fea_path = tempfile.mkstemp()
with open(fea_path, "w") as feafile:
feafile.write(self.features)
addOpenTypeFeatures(fea_path, self.outline)
os.close(fd)
os.remove(fea_path)
def check_mti_file(self, name, tableTag=None):
xml_expected_path = self.getpath("%s.ttx" % name + ('.'+tableTag if tableTag is not None else ''))
with open(xml_expected_path, 'rt', encoding="utf-8") as xml_expected_file:
xml_expected = xml_expected_file.read()
font = self.create_font()
with open(self.getpath("%s.txt" % name), 'rt', encoding="utf-8") as f:
table = mtiLib.build(f, font, tableTag=tableTag)
if tableTag is not None:
self.assertEqual(tableTag, table.tableTag)
tableTag = table.tableTag
# Make sure it compiles.
blob = table.compile(font)
# Make sure it decompiles.
decompiled = table.__class__()
decompiled.decompile(blob, font)
# XML from built object.
writer = XMLWriter(StringIO())
writer.begintag(tableTag); writer.newline()
table.toXML(writer, font)
writer.endtag(tableTag); writer.newline()
xml_built = writer.file.getvalue()
# XML from decompiled object.
writer = XMLWriter(StringIO())
writer.begintag(tableTag); writer.newline()
decompiled.toXML(writer, font)
writer.endtag(tableTag); writer.newline()
xml_binary = writer.file.getvalue()
self.expect_ttx(xml_binary, xml_built, fromfile='decompiled', tofile='built')
self.expect_ttx(xml_expected, xml_built, fromfile=xml_expected_path, tofile='built')
from fontTools.misc import xmlReader
f = StringIO()
f.write(xml_expected)
f.seek(0)
font2 = TTFont()
font2.setGlyphOrder(font.getGlyphOrder())
reader = xmlReader.XMLReader(f, font2)
reader.read(rootless=True)
# XML from object read from XML.
writer = XMLWriter(StringIO())
writer.begintag(tableTag); writer.newline()
font2[tableTag].toXML(writer, font)
writer.endtag(tableTag); writer.newline()
xml_fromxml = writer.file.getvalue()
self.expect_ttx(xml_expected, xml_fromxml, fromfile=xml_expected_path, tofile='fromxml')
def check_mti_file(self, name, tableTag=None):
xml_expected_path = self.getpath("%s.ttx" % name + ('.'+tableTag if tableTag is not None else ''))
with open(xml_expected_path, 'rt', encoding="utf-8") as xml_expected_file:
xml_expected = xml_expected_file.read()
font = self.create_font()
with open(self.getpath("%s.txt" % name), 'rt', encoding="utf-8") as f:
table = mtiLib.build(f, font, tableTag=tableTag)
if tableTag is not None:
self.assertEqual(tableTag, table.tableTag)
tableTag = table.tableTag
# Make sure it compiles.
blob = table.compile(font)
# Make sure it decompiles.
decompiled = table.__class__()
decompiled.decompile(blob, font)
# XML from built object.
writer = XMLWriter(StringIO(), newlinestr='\n')
writer.begintag(tableTag); writer.newline()
table.toXML(writer, font)
writer.endtag(tableTag); writer.newline()
xml_built = writer.file.getvalue()
# XML from decompiled object.
writer = XMLWriter(StringIO(), newlinestr='\n')
writer.begintag(tableTag); writer.newline()
decompiled.toXML(writer, font)
writer.endtag(tableTag); writer.newline()
xml_binary = writer.file.getvalue()
self.expect_ttx(xml_binary, xml_built, fromfile='decompiled', tofile='built')
self.expect_ttx(xml_expected, xml_built, fromfile=xml_expected_path, tofile='built')
from fontTools.misc import xmlReader
f = StringIO()
f.write(xml_expected)
f.seek(0)
font2 = TTFont()
font2.setGlyphOrder(font.getGlyphOrder())
reader = xmlReader.XMLReader(f, font2)
reader.read(rootless=True)
# XML from object read from XML.
writer = XMLWriter(StringIO(), newlinestr='\n')
writer.begintag(tableTag); writer.newline()
font2[tableTag].toXML(writer, font)
writer.endtag(tableTag); writer.newline()
xml_fromxml = writer.file.getvalue()
self.expect_ttx(xml_expected, xml_fromxml, fromfile=xml_expected_path, tofile='fromxml')
def setupFile_featureTables(self):
"""
Compile and return OpenType feature tables from the source.
Raises a FeaLibError if the feature compilation was unsuccessful.
**This should not be called externally.** Subclasses
may override this method to handle the table compilation
in a different way if desired.
"""
if self.mtiFeatures is not None:
for tag, features in self.mtiFeatures.items():
table = mtiLib.build(features.splitlines(), self.outline)
assert table.tableTag == tag
self.outline[tag] = table
elif self.features.strip():
# the path to features.fea is only used by the lexer to resolve
# the relative "include" statements
if self.font.path is not None:
feapath = os.path.join(self.font.path, "features.fea")
else:
# in-memory UFO has no path, can't do 'include' either
feapath = None
# save generated features to a temp file if things go wrong...
data = tobytes(self.features, encoding="utf-8")
with NamedTemporaryFile(delete=False) as tmp:
tmp.write(data)
# if compilation succedes or fails for unrelated reasons, clean
# up the temporary file
try:
addOpenTypeFeaturesFromString(self.outline,
self.features,
filename=feapath)
except feaLib.error.FeatureLibError:
logger.error("Compilation failed! Inspect temporary file: %r",
tmp.name)
raise
except:
os.remove(tmp.name)
raise
else:
os.remove(tmp.name)
def setupFile_featureTables(self):
"""
Compile and return OpenType feature tables from the source.
Raises a FeaLibError if the feature compilation was unsuccessful.
**This should not be called externally.** Subclasses
may override this method to handle the table compilation
in a different way if desired.
"""
if self.mtiFeaFiles is not None:
for tag, feapath in self.mtiFeaFiles.items():
with open(feapath) as feafile:
table = mtiLib.build(feafile, self.outline)
assert table.tableTag == tag
self.outline[tag] = table
elif self.features.strip():
feapath = os.path.join(self.font.path, "features.fea") if self.font.path is not None else None
addOpenTypeFeaturesFromString(self.outline, self.features,
filename=feapath)
def setupFile_featureTables(self):
"""
Compile and return OpenType feature tables from the source.
Raises a FeaLibError if the feature compilation was unsuccessful.
**This should not be called externally.** Subclasses
may override this method to handle the table compilation
in a different way if desired.
"""
if self.mtiFeaFiles is not None:
for tag, feapath in self.mtiFeaFiles.items():
with open(feapath) as feafile:
table = mtiLib.build(feafile, self.outline)
assert table.tableTag == tag
self.outline[tag] = table
elif self.features.strip():
feapath = os.path.join(self.font.path, "features.fea")
addOpenTypeFeaturesFromString(self.outline, self.features,
filename=feapath)
def buildTables(self):
for tag, features in self.mtiFeatures.items():
table = mtiLib.build(features.splitlines(), self.ttFont)
assert table.tableTag == tag
self.ttFont[tag] = table
def make_font(feature_source, fea_type="fea"):
"""Return font with GSUB compiled from given source.
Adds a bunch of filler tables so the font can be saved if needed, for
debugging purposes.
"""
# copied from fontTools' feaLib/builder_test.
glyphs = """
.notdef space slash fraction semicolon period comma ampersand
quotedblleft quotedblright quoteleft quoteright
zero one two three four five six seven eight nine
zero.oldstyle one.oldstyle two.oldstyle three.oldstyle
four.oldstyle five.oldstyle six.oldstyle seven.oldstyle
eight.oldstyle nine.oldstyle onequarter onehalf threequarters
onesuperior twosuperior threesuperior ordfeminine ordmasculine
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
a b c d e f g h i j k l m n o p q r s t u v w x y z
A.sc B.sc C.sc D.sc E.sc F.sc G.sc H.sc I.sc J.sc K.sc L.sc M.sc
N.sc O.sc P.sc Q.sc R.sc S.sc T.sc U.sc V.sc W.sc X.sc Y.sc Z.sc
A.alt1 A.alt2 A.alt3 B.alt1 B.alt2 B.alt3 C.alt1 C.alt2 C.alt3
a.alt1 a.alt2 a.alt3 a.end b.alt c.mid d.alt d.mid
e.begin e.mid e.end m.begin n.end s.end z.end
Eng Eng.alt1 Eng.alt2 Eng.alt3
A.swash B.swash C.swash D.swash E.swash F.swash G.swash H.swash
I.swash J.swash K.swash L.swash M.swash N.swash O.swash P.swash
Q.swash R.swash S.swash T.swash U.swash V.swash W.swash X.swash
Y.swash Z.swash
f_l c_h c_k c_s c_t f_f f_f_i f_f_l f_i o_f_f_i s_t f_i.begin
a_n_d T_h T_h.swash germandbls ydieresis yacute breve
grave acute dieresis macron circumflex cedilla umlaut ogonek caron
damma hamza sukun kasratan lam_meem_jeem noon.final noon.initial
by feature lookup sub table
""".split()
font = TTFont()
font.setGlyphOrder(glyphs)
glyph_order = font.getGlyphOrder()
font["cmap"] = cmap = newTable("cmap")
table = cmap_format_4(4)
table.platformID = 3
table.platEncID = 1
table.language = 0
table.cmap = {AGL2UV[n]: n for n in glyph_order if n in AGL2UV}
cmap.tableVersion = 0
cmap.tables = [table]
font["glyf"] = glyf = newTable("glyf")
glyf.glyphs = {}
glyf.glyphOrder = glyph_order
for name in glyph_order:
pen = TTGlyphPen(None)
glyf[name] = pen.glyph()
font["head"] = head = newTable("head")
head.tableVersion = 1.0
head.fontRevision = 1.0
head.flags = (
head.checkSumAdjustment
) = (
head.magicNumber
) = (
head.created
) = (
head.modified
) = (
head.macStyle
) = (
head.lowestRecPPEM
) = (
head.fontDirectionHint
) = (
head.indexToLocFormat
) = head.glyphDataFormat = head.xMin = head.xMax = head.yMin = head.yMax = 0
head.unitsPerEm = 1000
font["hhea"] = hhea = newTable("hhea")
hhea.tableVersion = 0x00010000
hhea.ascent = (
hhea.descent
) = (
hhea.lineGap
) = (
hhea.caretSlopeRise
) = (
hhea.caretSlopeRun
) = (
hhea.caretOffset
) = (
hhea.reserved0
) = (
hhea.reserved1
) = (
hhea.reserved2
) = (
hhea.reserved3
) = (
hhea.metricDataFormat
) = (
hhea.advanceWidthMax
) = (
hhea.xMaxExtent
) = hhea.minLeftSideBearing = hhea.minRightSideBearing = hhea.numberOfHMetrics = 0
font["hmtx"] = hmtx = newTable("hmtx")
hmtx.metrics = {}
for name in glyph_order:
hmtx[name] = (600, 50)
font["loca"] = newTable("loca")
font["maxp"] = maxp = newTable("maxp")
maxp.tableVersion = 0x00005000
maxp.numGlyphs = 0
font["post"] = post = newTable("post")
post.formatType = 2.0
post.extraNames = []
post.mapping = {}
post.glyphOrder = glyph_order
post.italicAngle = (
post.underlinePosition
) = (
post.underlineThickness
) = (
post.isFixedPitch
) = post.minMemType42 = post.maxMemType42 = post.minMemType1 = post.maxMemType1 = 0
if fea_type == "fea":
addOpenTypeFeaturesFromString(font, feature_source)
elif fea_type == "mti":
font["GSUB"] = mtiLib.build(UnicodeIO(feature_source), font)
return font
def make_font(feature_source, fea_type='fea'):
"""Return font with GSUB compiled from given source.
Adds a bunch of filler tables so the font can be saved if needed, for
debugging purposes.
"""
# copied from fontTools' feaLib/builder_test.
glyphs = """
.notdef space slash fraction semicolon period comma ampersand
quotedblleft quotedblright quoteleft quoteright
zero one two three four five six seven eight nine
zero.oldstyle one.oldstyle two.oldstyle three.oldstyle
four.oldstyle five.oldstyle six.oldstyle seven.oldstyle
eight.oldstyle nine.oldstyle onequarter onehalf threequarters
onesuperior twosuperior threesuperior ordfeminine ordmasculine
A B C D E F G H I J K L M N O P Q R S T U V W X Y Z
a b c d e f g h i j k l m n o p q r s t u v w x y z
A.sc B.sc C.sc D.sc E.sc F.sc G.sc H.sc I.sc J.sc K.sc L.sc M.sc
N.sc O.sc P.sc Q.sc R.sc S.sc T.sc U.sc V.sc W.sc X.sc Y.sc Z.sc
A.alt1 A.alt2 A.alt3 B.alt1 B.alt2 B.alt3 C.alt1 C.alt2 C.alt3
a.alt1 a.alt2 a.alt3 a.end b.alt c.mid d.alt d.mid
e.begin e.mid e.end m.begin n.end s.end z.end
Eng Eng.alt1 Eng.alt2 Eng.alt3
A.swash B.swash C.swash D.swash E.swash F.swash G.swash H.swash
I.swash J.swash K.swash L.swash M.swash N.swash O.swash P.swash
Q.swash R.swash S.swash T.swash U.swash V.swash W.swash X.swash
Y.swash Z.swash
f_l c_h c_k c_s c_t f_f f_f_i f_f_l f_i o_f_f_i s_t f_i.begin
a_n_d T_h T_h.swash germandbls ydieresis yacute breve
grave acute dieresis macron circumflex cedilla umlaut ogonek caron
damma hamza sukun kasratan lam_meem_jeem noon.final noon.initial
by feature lookup sub table
""".split()
font = TTFont()
font.setGlyphOrder(glyphs)
glyph_order = font.getGlyphOrder()
font['cmap'] = cmap = newTable('cmap')
table = cmap_format_4(4)
table.platformID = 3
table.platEncID = 1
table.language = 0
table.cmap = {AGL2UV[n]: n for n in glyph_order if n in AGL2UV}
cmap.tableVersion = 0
cmap.tables = [table]
font['glyf'] = glyf = newTable('glyf')
glyf.glyphs = {}
glyf.glyphOrder = glyph_order
for name in glyph_order:
pen = TTGlyphPen(None)
glyf[name] = pen.glyph()
font['head'] = head = newTable('head')
head.tableVersion = 1.0
head.fontRevision = 1.0
head.flags = head.checkSumAdjustment = head.magicNumber =\
head.created = head.modified = head.macStyle = head.lowestRecPPEM =\
head.fontDirectionHint = head.indexToLocFormat =\
head.glyphDataFormat =\
head.xMin = head.xMax = head.yMin = head.yMax = 0
head.unitsPerEm = 1000
font['hhea'] = hhea = newTable('hhea')
hhea.tableVersion = 0x00010000
hhea.ascent = hhea.descent = hhea.lineGap =\
hhea.caretSlopeRise = hhea.caretSlopeRun = hhea.caretOffset =\
hhea.reserved0 = hhea.reserved1 = hhea.reserved2 = hhea.reserved3 =\
hhea.metricDataFormat = hhea.advanceWidthMax = hhea.xMaxExtent =\
hhea.minLeftSideBearing = hhea.minRightSideBearing =\
hhea.numberOfHMetrics = 0
font['hmtx'] = hmtx = newTable('hmtx')
hmtx.metrics = {}
for name in glyph_order:
hmtx[name] = (600, 50)
font['loca'] = newTable('loca')
font['maxp'] = maxp = newTable('maxp')
maxp.tableVersion = 0x00005000
maxp.numGlyphs = 0
font['post'] = post = newTable('post')
post.formatType = 2.0
post.extraNames = []
post.mapping = {}
post.glyphOrder = glyph_order
post.italicAngle = post.underlinePosition = post.underlineThickness =\
post.isFixedPitch = post.minMemType42 = post.maxMemType42 =\
post.minMemType1 = post.maxMemType1 = 0
if fea_type == 'fea':
addOpenTypeFeaturesFromString(font, feature_source)
elif fea_type == 'mti':
font['GSUB'] = mtiLib.build(UnicodeIO(feature_source), font)
return font
