def compileDSToFont(dsPath, ttFolder):
doc = DesignSpaceDocument.fromfile(dsPath)
doc.findDefault()
ufoPathToTTPath = getTTPaths(doc, ttFolder)
for source in doc.sources:
if source.layerName is None:
ttPath = ufoPathToTTPath[source.path]
if not os.path.exists(ttPath):
raise FileNotFoundError(ttPath)
source.font = TTFont(ttPath, lazy=False)
assert doc.default.font is not None
if "name" not in doc.default.font:
doc.default.font["name"] = newTable(
"name") # This is the template for the VF, and needs a name table
if any(s.layerName is not None for s in doc.sources):
fb = FontBuilder(unitsPerEm=doc.default.font["head"].unitsPerEm)
fb.setupGlyphOrder(doc.default.font.getGlyphOrder())
fb.setupPost() # This makes sure we store the glyph names
font = fb.font
for source in doc.sources:
if source.font is None:
source.font = font
ttFont, masterModel, _ = varLib.build(
doc, exclude=['MVAR', 'HVAR', 'VVAR', 'STAT'])
# Our client needs the masterModel, so we save a pickle into the font
ttFont["MPcl"] = newTable("MPcl")
ttFont["MPcl"].data = pickle.dumps(masterModel)
return ttFont
def test_format_14(self):
subtable = self.makeSubtable(14, 0, 5, 0)
subtable.cmap = {} # dummy
subtable.uvsDict = {
0xFE00: [(0x0030, "zero.slash")],
0xFE01: [(0x0030, None)],
}
fb = FontBuilder(1024, isTTF=True)
font = fb.font
fb.setupGlyphOrder([".notdef", "zero.slash"])
fb.setupMaxp()
fb.setupPost()
cmap = table__c_m_a_p()
cmap.tableVersion = 0
cmap.tables = [subtable]
font["cmap"] = cmap
f = io.BytesIO()
font.save(f)
f.seek(0)
font = ttLib.TTFont(f)
self.assertEqual(font["cmap"].getcmap(0, 5).uvsDict, subtable.uvsDict)
f = io.StringIO(newline=None)
font.saveXML(f, tables=["cmap"])
ttx = strip_VariableItems(f.getvalue())
with open(CMAP_FORMAT_14_TTX) as f:
expected = strip_VariableItems(f.read())
self.assertEqual(ttx, expected)
with open(CMAP_FORMAT_14_BW_COMPAT_TTX) as f:
font.importXML(f)
self.assertEqual(font["cmap"].getcmap(0, 5).uvsDict, subtable.uvsDict)
def build_font(srcs, metadata, filename):
ascent = 880
descent = 120
upem = ascent + descent
scale = upem / 360.0
transform = Transform(scale, 0, 0, -scale, 0, ascent)
glyphs = collect_glyphs(srcs, transform=transform)
builder = FontBuilder(1000, isTTF=False)
builder.setupGlyphOrder([glyph.name for glyph in glyphs])
builder.setupCharacterMap({0: ".notdef"})
psname = metadata["psName"]
builder.setupCFF(psname, {"FullName": psname},
{glyph.name: glyph.charstring
for glyph in glyphs}, {})
builder.setupHorizontalMetrics(
{glyph.name: glyph.get_hmetrics()
for glyph in glyphs})
builder.setupHorizontalHeader(ascent=ascent, descent=-descent)
builder.setupNameTable({})
builder.setupOS2()
builder.setupPost()
builder.setupVerticalMetrics(
{glyph.name: glyph.get_vmetrics(ascent=ascent)
for glyph in glyphs})
builder.setupVerticalOrigins({}, ascent)
builder.setupVerticalHeader(ascent=ascent, descent=-descent)
builder.save(filename)
def test_format_14(self):
subtable = self.makeSubtable(14, 0, 5, 0)
subtable.cmap = {} # dummy
subtable.uvsDict = {
0xFE00: [(0x0030, "zero.slash")],
0xFE01: [(0x0030, None)],
}
fb = FontBuilder(1024, isTTF=True)
font = fb.font
fb.setupGlyphOrder([".notdef", "zero.slash"])
fb.setupMaxp()
fb.setupPost()
cmap = table__c_m_a_p()
cmap.tableVersion = 0
cmap.tables = [subtable]
font["cmap"] = cmap
f = io.BytesIO()
font.save(f)
f.seek(0)
font = ttLib.TTFont(f)
self.assertEqual(font["cmap"].getcmap(0, 5).uvsDict, subtable.uvsDict)
f = io.StringIO(newline=None)
font.saveXML(f, tables=["cmap"])
ttx = strip_VariableItems(f.getvalue())
with open(CMAP_FORMAT_14_TTX) as f:
expected = strip_VariableItems(f.read())
self.assertEqual(ttx, expected)
with open(CMAP_FORMAT_14_BW_COMPAT_TTX) as f:
font.importXML(f)
self.assertEqual(font["cmap"].getcmap(0, 5).uvsDict, subtable.uvsDict)
def featureVarsTestFont():
fb = FontBuilder(unitsPerEm=100)
fb.setupGlyphOrder([".notdef", "f", "f_f", "dollar", "dollar.rvrn"])
fb.setupCharacterMap({ord("f"): "f", ord("$"): "dollar"})
fb.setupNameTable({
"familyName": "TestFeatureVars",
"styleName": "Regular"
})
fb.setupPost()
fb.setupFvar(axes=[("wght", 100, 400, 900, "Weight")], instances=[])
fb.addOpenTypeFeatures("""\
feature dlig {
sub f f by f_f;
} dlig;
""")
fb.addFeatureVariations([([{
"wght": (0.20886, 1.0)
}], {
"dollar": "dollar.rvrn"
})],
featureTag="rvrn")
buf = io.BytesIO()
fb.save(buf)
buf.seek(0)
return TTFont(buf)
def empty_svg_font():
glyph_order = [".notdef"] + list(ascii_letters)
pen = TTGlyphPen(glyphSet=None)
pen.moveTo((0, 0))
pen.lineTo((0, 500))
pen.lineTo((500, 500))
pen.lineTo((500, 0))
pen.closePath()
glyph = pen.glyph()
glyphs = {g: glyph for g in glyph_order}
fb = FontBuilder(unitsPerEm=1024, isTTF=True)
fb.setupGlyphOrder(glyph_order)
fb.setupCharacterMap({ord(c): c for c in ascii_letters})
fb.setupGlyf(glyphs)
fb.setupHorizontalMetrics({g: (500, 0) for g in glyph_order})
fb.setupHorizontalHeader()
fb.setupOS2()
fb.setupPost()
fb.setupNameTable({"familyName": "TestSVG", "styleName": "Regular"})
svg_table = newTable("SVG ")
svg_table.docList = []
fb.font["SVG "] = svg_table
return fb.font
def minimalTTF():
fb = FontBuilder(1024, isTTF=True)
fb.updateHead(unitsPerEm=1000, created=0, modified=0)
fb.setupGlyphOrder([
".notdef", ".null", "A", "Aacute", "V", "acutecomb", "gravecomb",
"A.alt"
])
fb.setupCharacterMap({
65: "A",
192: "Aacute",
86: "V",
769: "acutecomb",
768: "gravecomb"
})
advanceWidths = {
".notdef": 600,
"A": 600,
"Aacute": 600,
"V": 600,
".null": 600,
"acutecomb": 0,
"gravecomb": 0,
"A.alt": 600
}
familyName = "HelloTestFont"
styleName = "TotallyNormal"
nameStrings = dict(familyName=dict(en="HelloTestFont", nl="HalloTestFont"),
styleName=dict(en="TotallyNormal", nl="TotaalNormaal"))
nameStrings['psName'] = familyName + "-" + styleName
glyphs = {
".notdef": test_glyph(),
".null": test_glyph(),
"A": test_glyph(),
"Aacute": test_glyph(),
"V": test_glyph(),
"acutecomb": test_glyph(),
"gravecomb": test_glyph(),
"A.alt": test_glyph()
}
fb.setupGlyf(glyphs)
metrics = {}
glyphTable = fb.font["glyf"]
for gn, advanceWidth in advanceWidths.items():
metrics[gn] = (advanceWidth, glyphTable[gn].xMin)
fb.setupHorizontalMetrics(metrics)
fb.setupHorizontalHeader()
fb.setupNameTable(nameStrings)
fb.setupOS2()
fb.setupPost()
return fb
def compileDSToFont(dsPath, ttFolder):
doc = DesignSpaceDocument.fromfile(dsPath)
doc.findDefault()
ufoPathToTTPath = getTTPaths(doc, ttFolder)
for source in doc.sources:
if source.layerName is None:
ttPath = ufoPathToTTPath[source.path]
if not os.path.exists(ttPath):
raise FileNotFoundError(ttPath)
source.font = TTFont(ttPath, lazy=False)
assert doc.default.font is not None
if "name" not in doc.default.font:
doc.default.font["name"] = newTable(
"name") # This is the template for the VF, and needs a name table
if any(s.layerName is not None for s in doc.sources):
fb = FontBuilder(unitsPerEm=doc.default.font["head"].unitsPerEm)
fb.setupGlyphOrder(doc.default.font.getGlyphOrder())
fb.setupPost() # This makes sure we store the glyph names
font = fb.font
for source in doc.sources:
if source.font is None:
source.font = font
try:
ttFont, masterModel, _ = varLib.build(
doc, exclude=['MVAR', 'HVAR', 'VVAR', 'STAT'])
except VarLibError as e:
if 'GSUB' in e.args:
extraExclude = ['GSUB']
elif 'GPOS' in e.args:
extraExclude = ['GPOS', 'GDEF']
else:
raise
print(f"{e!r}", file=sys.stderr)
print(
f"Error while building {extraExclude[0]} table, trying again without {' and '.join(extraExclude)}.",
file=sys.stderr)
ttFont, masterModel, _ = varLib.build(
doc, exclude=['MVAR', 'HVAR', 'VVAR', 'STAT'] + extraExclude)
# Our client needs the masterModel, so we save a pickle into the font
ttFont["MPcl"] = newTable("MPcl")
ttFont["MPcl"].data = pickle.dumps(masterModel)
return ttFont
def compileUFOToFont(ufoPath):
"""Compile the source UFO to a TTF with the smallest amount of tables
needed to let HarfBuzz do its work. That would be 'cmap', 'post' and
whatever OTL tables are needed for the features. Return the compiled
font data.
This function may do some redundant work (eg. we need an UFOReader
elsewhere, too), but having a picklable argument and return value
allows us to run it in a separate process, enabling parallelism.
"""
reader = UFOReader(ufoPath, validate=False)
glyphSet = reader.getGlyphSet()
info = SimpleNamespace()
reader.readInfo(info)
glyphOrder = sorted(glyphSet.keys()) # no need for the "real" glyph order
if ".notdef" not in glyphOrder:
# We need a .notdef glyph, so let's make one.
glyphOrder.insert(0, ".notdef")
cmap, revCmap, anchors = fetchCharacterMappingAndAnchors(glyphSet, ufoPath)
fb = FontBuilder(round(info.unitsPerEm))
fb.setupGlyphOrder(glyphOrder)
fb.setupCharacterMap(cmap)
fb.setupPost() # This makes sure we store the glyph names
ttFont = fb.font
# Store anchors in the font as a private table: this is valuable
# data that our parent process can use to do faster reloading upon
# changes.
ttFont["FGAx"] = newTable("FGAx")
ttFont["FGAx"].data = pickle.dumps(anchors)
ufo = MinimalFontObject(ufoPath, reader, revCmap, anchors)
feaComp = FeatureCompiler(ufo, ttFont)
try:
feaComp.compile()
except FeatureLibError as e:
error = f"{e.__class__.__name__}: {e}"
except Exception:
# This is most likely a bug, and not an input error, so perhaps
# we shouldn't even catch it here.
error = traceback.format_exc()
else:
error = None
return ttFont, error
def test_subset_feature_variations():
fb = FontBuilder(unitsPerEm=100)
fb.setupGlyphOrder([".notdef", "f", "f_f", "dollar", "dollar.rvrn"])
fb.setupCharacterMap({ord("f"): "f", ord("$"): "dollar"})
fb.setupNameTable({
"familyName": "TestFeatureVars",
"styleName": "Regular"
})
fb.setupPost()
fb.setupFvar(axes=[("wght", 100, 400, 900, "Weight")], instances=[])
fb.addOpenTypeFeatures("""\
feature dlig {
sub f f by f_f;
} dlig;
""")
fb.addFeatureVariations([([{
"wght": (0.20886, 1.0)
}], {
"dollar": "dollar.rvrn"
})],
featureTag="rvrn")
buf = io.BytesIO()
fb.save(buf)
buf.seek(0)
font = TTFont(buf)
options = subset.Options()
subsetter = subset.Subsetter(options)
subsetter.populate(unicodes=[ord("f"), ord("$")])
subsetter.subset(font)
featureTags = {
r.FeatureTag
for r in font["GSUB"].table.FeatureList.FeatureRecord
}
# 'dlig' is discretionary so it is dropped by default
assert "dlig" not in featureTags
assert "f_f" not in font.getGlyphOrder()
# 'rvrn' is required so it is kept by default
assert "rvrn" in featureTags
assert "dollar.rvrn" in font.getGlyphOrder()
def test_unicodeVariationSequences(tmpdir):
familyName = "UVSTestFont"
styleName = "Regular"
nameStrings = dict(familyName=familyName, styleName=styleName)
nameStrings['psName'] = familyName + "-" + styleName
glyphOrder = [".notdef", "space", "zero", "zero.slash"]
cmap = {ord(" "): "space", ord("0"): "zero"}
uvs = [
(0x0030, 0xFE00, "zero.slash"),
(0x0030, 0xFE01, None), # not an official sequence, just testing
]
metrics = {gn: (600, 0) for gn in glyphOrder}
pen = TTGlyphPen(None)
glyph = pen.glyph() # empty placeholder
glyphs = {gn: glyph for gn in glyphOrder}
fb = FontBuilder(1024, isTTF=True)
fb.setupGlyphOrder(glyphOrder)
fb.setupCharacterMap(cmap, uvs)
fb.setupGlyf(glyphs)
fb.setupHorizontalMetrics(metrics)
fb.setupHorizontalHeader(ascent=824, descent=200)
fb.setupNameTable(nameStrings)
fb.setupOS2()
fb.setupPost()
outPath = os.path.join(str(tmpdir), "test_uvs.ttf")
fb.save(outPath)
_verifyOutput(outPath, tables=["cmap"])
uvs = [
(0x0030, 0xFE00, "zero.slash"),
(
0x0030, 0xFE01, "zero"
), # should result in the exact same subtable data, due to cmap[0x0030] == "zero"
]
fb.setupCharacterMap(cmap, uvs)
fb.save(outPath)
_verifyOutput(outPath, tables=["cmap"])
def test_unicodeVariationSequences(tmpdir):
familyName = "UVSTestFont"
styleName = "Regular"
nameStrings = dict(familyName=familyName, styleName=styleName)
nameStrings['psName'] = familyName + "-" + styleName
glyphOrder = [".notdef", "space", "zero", "zero.slash"]
cmap = {ord(" "): "space", ord("0"): "zero"}
uvs = [
(0x0030, 0xFE00, "zero.slash"),
(0x0030, 0xFE01, None), # not an official sequence, just testing
]
metrics = {gn: (600, 0) for gn in glyphOrder}
pen = TTGlyphPen(None)
glyph = pen.glyph() # empty placeholder
glyphs = {gn: glyph for gn in glyphOrder}
fb = FontBuilder(1024, isTTF=True)
fb.setupGlyphOrder(glyphOrder)
fb.setupCharacterMap(cmap, uvs)
fb.setupGlyf(glyphs)
fb.setupHorizontalMetrics(metrics)
fb.setupHorizontalHeader(ascent=824, descent=200)
fb.setupNameTable(nameStrings)
fb.setupOS2()
fb.setupPost()
outPath = os.path.join(str(tmpdir), "test_uvs.ttf")
fb.save(outPath)
_verifyOutput(outPath, tables=["cmap"])
uvs = [
(0x0030, 0xFE00, "zero.slash"),
(0x0030, 0xFE01, "zero"), # should result in the exact same subtable data, due to cmap[0x0030] == "zero"
]
fb.setupCharacterMap(cmap, uvs)
fb.save(outPath)
_verifyOutput(outPath, tables=["cmap"])
def test_build_var(tmpdir):
outPath = os.path.join(str(tmpdir), "test_var.ttf")
fb = FontBuilder(1024, isTTF=True)
fb.setupGlyphOrder([".notdef", ".null", "A", "a"])
fb.setupCharacterMap({65: "A", 97: "a"})
advanceWidths = {".notdef": 600, "A": 600, "a": 600, ".null": 600}
familyName = "HelloTestFont"
styleName = "TotallyNormal"
nameStrings = dict(familyName=dict(en="HelloTestFont", nl="HalloTestFont"),
styleName=dict(en="TotallyNormal", nl="TotaalNormaal"))
nameStrings['psName'] = familyName + "-" + styleName
pen = TTGlyphPen(None)
pen.moveTo((100, 0))
pen.lineTo((100, 400))
pen.lineTo((500, 400))
pen.lineTo((500, 000))
pen.closePath()
glyph = pen.glyph()
pen = TTGlyphPen(None)
emptyGlyph = pen.glyph()
glyphs = {
".notdef": emptyGlyph,
"A": glyph,
"a": glyph,
".null": emptyGlyph
}
fb.setupGlyf(glyphs)
metrics = {}
glyphTable = fb.font["glyf"]
for gn, advanceWidth in advanceWidths.items():
metrics[gn] = (advanceWidth, glyphTable[gn].xMin)
fb.setupHorizontalMetrics(metrics)
fb.setupHorizontalHeader(ascent=824, descent=200)
fb.setupNameTable(nameStrings)
axes = [
('LEFT', 0, 0, 100, "Left"),
('RGHT', 0, 0, 100, "Right"),
('UPPP', 0, 0, 100, "Up"),
('DOWN', 0, 0, 100, "Down"),
]
instances = [
dict(location=dict(LEFT=0, RGHT=0, UPPP=0, DOWN=0),
stylename="TotallyNormal"),
dict(location=dict(LEFT=0, RGHT=100, UPPP=100, DOWN=0),
stylename="Right Up"),
]
fb.setupFvar(axes, instances)
variations = {}
# Four (x, y) pairs and four phantom points:
leftDeltas = [(-200, 0), (-200, 0), (0, 0), (0, 0), None, None, None, None]
rightDeltas = [(0, 0), (0, 0), (200, 0), (200, 0), None, None, None, None]
upDeltas = [(0, 0), (0, 200), (0, 200), (0, 0), None, None, None, None]
downDeltas = [(0, -200), (0, 0), (0, 0), (0, -200), None, None, None, None]
variations['a'] = [
TupleVariation(dict(RGHT=(0, 1, 1)), rightDeltas),
TupleVariation(dict(LEFT=(0, 1, 1)), leftDeltas),
TupleVariation(dict(UPPP=(0, 1, 1)), upDeltas),
TupleVariation(dict(DOWN=(0, 1, 1)), downDeltas),
]
fb.setupGvar(variations)
fb.setupOS2()
fb.setupPost()
fb.setupDummyDSIG()
fb.save(outPath)
_verifyOutput(outPath)
def build(instance, opts, glyphOrder):
font = instance.parent
master = font.masters[0]
advanceWidths = {}
characterMap = {}
charStrings = {}
colorLayers = {}
for name in glyphOrder:
glyph = font.glyphs[name]
if not glyph.export:
continue
for layer in glyph.layers:
if "colorPalette" in layer.attributes:
index = layer.attributes["colorPalette"]
if name not in colorLayers:
colorLayers[name] = []
if layer.layerId == layer.associatedMasterId: # master layer
colorLayers[name].append((name, int(index)))
else:
assert False, "can’t handle non-master color layers"
if glyph.unicode:
characterMap[int(glyph.unicode, 16)] = name
layer = getLayer(glyph, instance)
charStrings[name] = draw(layer, instance).getCharString()
advanceWidths[name] = layer.width
# XXX
glyphOrder.pop(glyphOrder.index(".notdef"))
glyphOrder.pop(glyphOrder.index("space"))
glyphOrder.insert(0, ".notdef")
glyphOrder.insert(1, "space")
version = float(opts.version)
vendor = get_property(font, "vendorID")
names = {
"copyright": font.copyright,
"familyName": instance.familyName,
"styleName": instance.name,
"uniqueFontIdentifier": f"{version:.03f};{vendor};{instance.fontName}",
"fullName": instance.fullName,
"version": f"Version {version:.03f}",
"psName": instance.fontName,
"manufacturer": font.manufacturer,
"designer": font.designer,
"vendorURL": font.manufacturerURL,
"designerURL": font.designerURL,
"licenseDescription": get_property(font, "licenses"),
"licenseInfoURL": get_property(font, "licenseURL"),
"sampleText": get_property(font, "sampleTexts"),
}
fb = FontBuilder(font.upm, isTTF=False)
date = font.date.replace(tzinfo=datetime.timezone.utc)
stat = opts.glyphs.stat()
fb.updateHead(
fontRevision=version,
created=int(date.timestamp()) - mac_epoch_diff,
modified=int(stat.st_mtime) - mac_epoch_diff,
)
fb.setupGlyphOrder(glyphOrder)
fb.setupCharacterMap(characterMap)
fb.setupNameTable(names, mac=False)
fb.setupHorizontalHeader(
ascent=master.ascender,
descent=master.descender,
lineGap=master.customParameters["hheaLineGap"],
)
if opts.debug:
fb.setupCFF(names["psName"], {}, charStrings, {})
fb.font["CFF "].compile(fb.font)
else:
fb.setupCFF2(charStrings)
metrics = {}
for name, width in advanceWidths.items():
bounds = charStrings[name].calcBounds(None) or [0]
metrics[name] = (width, bounds[0])
fb.setupHorizontalMetrics(metrics)
fb.setupPost(
underlinePosition=master.customParameters["underlinePosition"],
underlineThickness=master.customParameters["underlineThickness"],
)
# Compile to get font bbox
fb.font["head"].compile(fb.font)
codePages = [
CODEPAGE_RANGES[v] for v in font.customParameters["codePageRanges"]
]
fb.setupOS2(
version=4,
sTypoAscender=master.ascender,
sTypoDescender=master.descender,
sTypoLineGap=master.customParameters["typoLineGap"],
usWinAscent=fb.font["head"].yMax,
usWinDescent=-fb.font["head"].yMin,
sxHeight=master.xHeight,
sCapHeight=master.capHeight,
achVendID=vendor,
fsType=calcBits(font.customParameters["fsType"], 0, 16),
fsSelection=calcFsSelection(instance),
ulUnicodeRange1=calcBits(font.customParameters["unicodeRanges"], 0,
32),
ulCodePageRange1=calcBits(codePages, 0, 32),
)
fea = makeFeatures(instance, master, opts, glyphOrder)
fb.addOpenTypeFeatures(fea)
palettes = master.customParameters["Color Palettes"]
palettes = [[tuple(v / 255 for v in c) for c in p] for p in palettes]
fb.setupCPAL(palettes)
fb.setupCOLR(colorLayers)
instance.font = fb.font
if opts.debug:
fb.font.save(f"{instance.fontName}.otf")
return fb.font
def build(instance, opts):
font = instance.parent
source = font.masters[0]
fea, marks = makeFeatures(instance, source)
glyphOrder = []
advanceWidths = {}
characterMap = {}
charStrings = {}
source.blueValues = []
source.otherBlues = []
for zone in sorted(source.alignmentZones):
pos = zone.position
size = zone.size
vals = sorted((pos, pos + size))
if pos == 0 or size >= 0:
source.blueValues.extend(vals)
else:
source.otherBlues.extend(vals)
fontinfo = f"""
FontName {instance.fontName}
OrigEmSqUnits {font.upm}
DominantV {source.verticalStems}
DominantH {source.horizontalStems}
BaselineOvershoot {source.blueValues[0]}
BaselineYCoord {source.blueValues[1]}
LcHeight {source.blueValues[2]}
LcOvershoot {source.blueValues[3] - source.blueValues[2]}
CapHeight {source.blueValues[4]}
CapOvershoot {source.blueValues[5] - source.blueValues[4]}
AscenderHeight {source.blueValues[6]}
AscenderOvershoot {source.blueValues[7] - source.blueValues[6]}
Baseline5 {source.otherBlues[1]}
Baseline5Overshoot {source.otherBlues[0] - source.otherBlues[1]}
FlexOK true
BlueFuzz 1
"""
layerSet = {g.name: g.layers[source.id] for g in font.glyphs}
for glyph in font.glyphs:
if not glyph.export:
continue
name = glyph.name
glyphOrder.append(name)
for code in glyph.unicodes:
characterMap[int(code, 16)] = name
layer = glyph.layers[source.id]
width = 0 if name in marks else layer.width
# Draw glyph and remove overlaps.
path = Path()
layer.draw(DecomposePathPen(path, layerSet=layerSet))
path.simplify(fix_winding=True, keep_starting_points=True)
# Autohint.
pen = BezPen(None, True)
path.draw(pen)
bez = "\n".join(["% " + name, "sc", *pen.bez, "ed", ""])
hinted = hint_bez_glyph(fontinfo, bez)
program = [width] + convertBezToT2(hinted)
# Build CharString.
charStrings[name] = T2CharString(program=program)
advanceWidths[name] = width
# Make sure .notdef is glyph index 0.
glyphOrder.pop(glyphOrder.index(".notdef"))
glyphOrder.insert(0, ".notdef")
version = float(opts.version)
vendor = font.customParameters["vendorID"]
names = {
"copyright": font.copyright,
"familyName": instance.familyName,
"styleName": instance.name,
"uniqueFontIdentifier": f"{version:.03f};{vendor};{instance.fontName}",
"fullName": instance.fullName,
"version": f"Version {version:.03f}",
"psName": instance.fontName,
"manufacturer": font.manufacturer,
"designer": font.designer,
"description": font.customParameters["description"],
"vendorURL": font.manufacturerURL,
"designerURL": font.designerURL,
"licenseDescription": font.customParameters["license"],
"licenseInfoURL": font.customParameters["licenseURL"],
"sampleText": font.customParameters["sampleText"],
}
date = int(font.date.timestamp()) - epoch_diff
fb = FontBuilder(font.upm, isTTF=False)
fb.updateHead(fontRevision=version, created=date, modified=date)
fb.setupGlyphOrder(glyphOrder)
fb.setupCharacterMap(characterMap)
fb.setupNameTable(names, mac=False)
fb.setupHorizontalHeader(
ascent=source.ascender,
descent=source.descender,
lineGap=source.customParameters["typoLineGap"],
)
privateDict = {
"BlueValues": source.blueValues,
"OtherBlues": source.otherBlues,
"StemSnapH": source.horizontalStems,
"StemSnapV": source.verticalStems,
"StdHW": source.horizontalStems[0],
"StdVW": source.verticalStems[0],
}
fontInfo = {
"FullName": names["fullName"],
"Notice": names["copyright"].replace("©", "\(c\)"),
"version": f"{version:07.03f}",
"Weight": instance.name,
}
fb.setupCFF(names["psName"], fontInfo, charStrings, privateDict)
metrics = {}
for i, (name, width) in enumerate(advanceWidths.items()):
bounds = charStrings[name].calcBounds(None) or [0]
metrics[name] = (width, bounds[0])
fb.setupHorizontalMetrics(metrics)
codePages = [
CODEPAGE_RANGES[v] for v in font.customParameters["codePageRanges"]
]
fb.setupOS2(
version=4,
sTypoAscender=source.ascender,
sTypoDescender=source.descender,
sTypoLineGap=source.customParameters["typoLineGap"],
usWinAscent=source.ascender,
usWinDescent=-source.descender,
sxHeight=source.xHeight,
sCapHeight=source.capHeight,
achVendID=vendor,
fsType=calcBits(font.customParameters["fsType"], 0, 16),
fsSelection=calcFsSelection(instance),
ulUnicodeRange1=calcBits(font.customParameters["unicodeRanges"], 0,
32),
ulCodePageRange1=calcBits(codePages, 0, 32),
)
ut = int(source.customParameters["underlineThickness"])
up = int(source.customParameters["underlinePosition"])
fb.setupPost(underlineThickness=ut, underlinePosition=up + ut // 2)
meta = newTable("meta")
meta.data = {"dlng": "Arab", "slng": "Arab"}
fb.font["meta"] = meta
fb.addOpenTypeFeatures(fea)
return fb.font
def _save_ttfont(bbf):
fb = FontBuilder(bbf.info.unitsPerEm, isTTF=True)
fb.setupGlyphOrder(bbf.lib.glyphOrder)
bbf._build_maps()
fb.setupCharacterMap(bbf._unicodemap)
glyf = {}
metrics = {}
for i in [1, 2]:
for g in bbf:
if i == 1 and g.components:
continue
if i == 2 and not g.components:
continue
pen = Cu2QuPen(TTGlyphPen(glyf), bbf.info.unitsPerEm / 1000)
try:
g.draw(pen)
glyf[g.name] = pen.pen.glyph()
except Exception as e:
pen = Cu2QuPen(TTGlyphPen(glyf), bbf.info.unitsPerEm / 1000)
glyf[g.name] = pen.pen.glyph()
pass
bounds = g.bounds
xMin = 0
if bounds:
xMin = bounds[0]
metrics[g.name] = (g.width, xMin)
versionMajor = bbf.info.versionMajor or 1
versionMinor = bbf.info.versionMinor or 0
fb.updateHead(
fontRevision=versionMajor + versionMinor / 10**len(str(versionMinor)),
created=_ufo_date_to_opentime(bbf.info.openTypeHeadCreated),
lowestRecPPEM=bbf.info.openTypeHeadLowestRecPPEM
or fb.font["head"].lowestRecPPEM,
)
fb.setupGlyf(glyf)
fb.setupHorizontalMetrics(metrics)
fb.setupHorizontalHeader(
ascent=int(bbf.info.openTypeHheaAscender or bbf.info.ascender or 0),
descent=int(bbf.info.openTypeHheaDescender or bbf.info.descender or 0),
)
os2 = {
"sTypoAscender":
bbf.info.openTypeOS2TypoAscender or bbf.info.ascender or 0,
"sTypoDescender":
bbf.info.openTypeOS2TypoDescender or bbf.info.descender or 0,
"sxHeight":
bbf.info.xHeight,
"sCapHeight":
bbf.info.capHeight,
}
for k in [
"usWidthClass",
"usWeightClass",
"sTypoLineGap",
"usWinAscent",
"usWinDescent",
"ySubscriptXSize",
"ySubscriptYSize",
"ySubscriptXOffset",
"ySubscriptYOffset",
"ySuperscriptXSize",
"ySuperscriptYSize",
"ySuperscriptXOffset",
"ySuperscriptYOffset",
"yStrikeoutSize",
"yStrikeoutPosition",
]:
infokey = k
while not infokey[0].isupper():
infokey = infokey[1:]
infokey = "openTypeOS2" + infokey
if hasattr(bbf.info, infokey):
if getattr(bbf.info, infokey):
os2[k] = getattr(bbf.info, infokey)
fb.setupOS2(**os2)
# Name tables
nameStrings = dict(
familyName=dict(en=bbf.info.familyName),
styleName=dict(en=bbf.info.styleName),
fullName=f"{bbf.info.familyName} {bbf.info.styleName}",
psName=bbf.info.postscriptFontName,
version="Version " +
str(bbf.info.versionMajor +
bbf.info.versionMinor / 10**len(str(bbf.info.versionMinor))),
)
if not nameStrings["psName"]:
del nameStrings["psName"]
fb.setupNameTable(nameStrings)
# Kerning
# Features
fb.setupPost(
underlinePosition=(bbf.info.postscriptUnderlinePosition or 0),
underlineThickness=(bbf.info.postscriptUnderlineThickness or 0),
)
return fb.font
def colrv1_path(tmp_path):
base_glyph_names = ["uni%04X" % i for i in range(0xE000, 0xE000 + 10)]
layer_glyph_names = ["glyph%05d" % i for i in range(10, 20)]
glyph_order = [".notdef"] + base_glyph_names + layer_glyph_names
pen = TTGlyphPen(glyphSet=None)
pen.moveTo((0, 0))
pen.lineTo((0, 500))
pen.lineTo((500, 500))
pen.lineTo((500, 0))
pen.closePath()
glyph = pen.glyph()
glyphs = {g: glyph for g in glyph_order}
fb = FontBuilder(unitsPerEm=1024, isTTF=True)
fb.setupGlyphOrder(glyph_order)
fb.setupCharacterMap(
{int(name[3:], 16): name
for name in base_glyph_names})
fb.setupGlyf(glyphs)
fb.setupHorizontalMetrics({g: (500, 0) for g in glyph_order})
fb.setupHorizontalHeader()
fb.setupOS2()
fb.setupPost()
fb.setupNameTable({"familyName": "TestCOLRv1", "styleName": "Regular"})
fb.setupCOLR(
{
"uniE000": (
ot.PaintFormat.PaintColrLayers,
[
{
"Format": ot.PaintFormat.PaintGlyph,
"Paint": (ot.PaintFormat.PaintSolid, 0),
"Glyph": "glyph00010",
},
{
"Format": ot.PaintFormat.PaintGlyph,
"Paint": (ot.PaintFormat.PaintSolid, (2, 0.3)),
"Glyph": "glyph00011",
},
],
),
"uniE001": (
ot.PaintFormat.PaintColrLayers,
[
{
"Format": ot.PaintFormat.PaintTransform,
"Paint": {
"Format": ot.PaintFormat.PaintGlyph,
"Paint": {
"Format": ot.PaintFormat.PaintRadialGradient,
"x0": 250,
"y0": 250,
"r0": 250,
"x1": 200,
"y1": 200,
"r1": 0,
"ColorLine": {
"ColorStop": [(0.0, 1), (1.0, 2)],
"Extend": "repeat",
},
},
"Glyph": "glyph00012",
},
"Transform": (0.7071, 0.7071, -0.7071, 0.7071, 0, 0),
},
{
"Format": ot.PaintFormat.PaintGlyph,
"Paint": (ot.PaintFormat.PaintSolid, (1, 0.5)),
"Glyph": "glyph00013",
},
],
),
"uniE002": (
ot.PaintFormat.PaintColrLayers,
[
{
"Format": ot.PaintFormat.PaintGlyph,
"Paint": {
"Format": ot.PaintFormat.PaintLinearGradient,
"x0": 0,
"y0": 0,
"x1": 500,
"y1": 500,
"x2": -500,
"y2": 500,
"ColorLine": {
"ColorStop": [(0.0, 1), (1.0, 2)]
},
},
"Glyph": "glyph00014",
},
{
"Format": ot.PaintFormat.PaintTransform,
"Paint": {
"Format": ot.PaintFormat.PaintGlyph,
"Paint": (ot.PaintFormat.PaintSolid, 1),
"Glyph": "glyph00015",
},
"Transform": (1, 0, 0, 1, 400, 400),
},
],
),
"uniE003": {
"Format": ot.PaintFormat.PaintRotate,
"Paint": {
"Format": ot.PaintFormat.PaintColrGlyph,
"Glyph": "uniE001",
},
"angle": 45,
"centerX": 250,
"centerY": 250,
},
"uniE004": [
("glyph00016", 1),
("glyph00017", 2),
],
}, )
fb.setupCPAL(
[
[
(1.0, 0.0, 0.0, 1.0), # red
(0.0, 1.0, 0.0, 1.0), # green
(0.0, 0.0, 1.0, 1.0), # blue
],
], )
output_path = tmp_path / "TestCOLRv1.ttf"
fb.save(output_path)
return output_path
def test_build_var(tmpdir):
outPath = os.path.join(str(tmpdir), "test_var.ttf")
fb = FontBuilder(1024, isTTF=True)
fb.setupGlyphOrder([".notdef", ".null", "A", "a"])
fb.setupCharacterMap({65: "A", 97: "a"})
advanceWidths = {".notdef": 600, "A": 600, "a": 600, ".null": 600}
familyName = "HelloTestFont"
styleName = "TotallyNormal"
nameStrings = dict(familyName=dict(en="HelloTestFont", nl="HalloTestFont"),
styleName=dict(en="TotallyNormal", nl="TotaalNormaal"))
nameStrings['psName'] = familyName + "-" + styleName
pen = TTGlyphPen(None)
pen.moveTo((100, 0))
pen.lineTo((100, 400))
pen.lineTo((500, 400))
pen.lineTo((500, 000))
pen.closePath()
glyph = pen.glyph()
pen = TTGlyphPen(None)
emptyGlyph = pen.glyph()
glyphs = {".notdef": emptyGlyph, "A": glyph, "a": glyph, ".null": emptyGlyph}
fb.setupGlyf(glyphs)
metrics = {}
glyphTable = fb.font["glyf"]
for gn, advanceWidth in advanceWidths.items():
metrics[gn] = (advanceWidth, glyphTable[gn].xMin)
fb.setupHorizontalMetrics(metrics)
fb.setupHorizontalHeader(ascent=824, descent=200)
fb.setupNameTable(nameStrings)
axes = [
('LEFT', 0, 0, 100, "Left"),
('RGHT', 0, 0, 100, "Right"),
('UPPP', 0, 0, 100, "Up"),
('DOWN', 0, 0, 100, "Down"),
]
instances = [
dict(location=dict(LEFT=0, RGHT=0, UPPP=0, DOWN=0), stylename="TotallyNormal"),
dict(location=dict(LEFT=0, RGHT=100, UPPP=100, DOWN=0), stylename="Right Up"),
]
fb.setupFvar(axes, instances)
variations = {}
# Four (x, y) pairs and four phantom points:
leftDeltas = [(-200, 0), (-200, 0), (0, 0), (0, 0), None, None, None, None]
rightDeltas = [(0, 0), (0, 0), (200, 0), (200, 0), None, None, None, None]
upDeltas = [(0, 0), (0, 200), (0, 200), (0, 0), None, None, None, None]
downDeltas = [(0, -200), (0, 0), (0, 0), (0, -200), None, None, None, None]
variations['a'] = [
TupleVariation(dict(RGHT=(0, 1, 1)), rightDeltas),
TupleVariation(dict(LEFT=(0, 1, 1)), leftDeltas),
TupleVariation(dict(UPPP=(0, 1, 1)), upDeltas),
TupleVariation(dict(DOWN=(0, 1, 1)), downDeltas),
]
fb.setupGvar(variations)
fb.setupOS2()
fb.setupPost()
fb.setupDummyDSIG()
fb.save(outPath)
_verifyOutput(outPath)
def make_font(file_paths, out_dir, revision, gsub_path, gpos_path, uvs_lst):
cmap, gorder, validated_fpaths = {}, deque(), []
# build glyph order
for fpath in file_paths:
# derive glyph name from file name
gname = os.path.splitext(os.path.basename(fpath))[0] # trim extension
# validate glyph name
if not glyph_name_is_valid(gname, fpath):
continue
# skip any duplicates and 'space'
if gname in gorder or gname == 'space':
log.warning("Skipped file '{}'. The glyph name derived from it "
"is either a duplicate or 'space'.".format(fpath))
continue
# limit the length of glyph name to 31 chars
if len(gname) > 31:
num = 0
trimmed_gname = get_trimmed_glyph_name(gname, num)
while trimmed_gname in gorder:
num += 1
trimmed_gname = get_trimmed_glyph_name(trimmed_gname, num)
gorder.append(trimmed_gname)
log.warning("Glyph name '{}' was trimmed to 31 characters: "
"'{}'".format(gname, trimmed_gname))
else:
gorder.append(gname)
validated_fpaths.append(fpath)
# add to cmap
if RE_UNICODE.match(gname):
uni_int = int(gname[1:], 16) # trim leading 'u'
cmap[uni_int] = gname
fb = FontBuilder(UPM, isTTF=False)
fb.font['head'].fontRevision = float(revision)
fb.font['head'].lowestRecPPEM = 12
cs_dict = {}
cs_cache = {}
for i, svg_file_path in enumerate(validated_fpaths):
svg_file_realpath = os.path.realpath(svg_file_path)
if svg_file_realpath not in cs_cache:
svg_size = get_svg_size(svg_file_realpath)
if svg_size is None:
cs_dict[gorder[i]] = SPACE_CHARSTRING
continue
pen = T2CharStringPen(EMOJI_H_ADV, None)
svg = SVGPath(svg_file_realpath,
transform=(EMOJI_SIZE / svg_size, 0, 0,
-EMOJI_SIZE / svg_size,
(EMOJI_H_ADV * .5) - (EMOJI_SIZE * .5),
EMOJI_H_ADV * ABOVE_BASELINE))
svg.draw(pen)
cs = pen.getCharString()
cs_cache[svg_file_realpath] = cs
else:
cs = cs_cache.get(svg_file_realpath)
cs_dict[gorder[i]] = cs
# add '.notdef', 'space' and zero-width joiner
pen = T2CharStringPen(EMOJI_H_ADV, None)
draw_notdef(pen)
gorder.extendleft(reversed(['.notdef', 'space', 'ZWJ']))
cs_dict.update({
'.notdef': pen.getCharString(),
'space': SPACE_CHARSTRING,
'ZWJ': SPACE_CHARSTRING,
})
cmap.update({
32: 'space', # U+0020
160: 'space', # U+00A0
8205: 'ZWJ', # U+200D
})
# add TAG LATIN LETTER glyphs and mappings
for cdpt in TAG_LAT_LETTR:
tag_gname = f'u{cdpt}'
gorder.append(tag_gname)
cs_dict[tag_gname] = SPACE_CHARSTRING
cmap[int(cdpt, 16)] = tag_gname
fb.setupGlyphOrder(list(gorder)) # parts of FontTools require a list
fb.setupCharacterMap(cmap, uvs=uvs_lst)
fb.setupCFF(
PS_NAME, {
'version': revision,
'Notice': TRADEMARK,
'Copyright': COPYRIGHT,
'FullName': FULL_NAME,
'FamilyName': FAMILY_NAME,
'Weight': STYLE_NAME
}, cs_dict, {})
glyphs_bearings = {}
for gname, cs in cs_dict.items():
gbbox = cs.calcBounds(None)
if gbbox:
xmin, ymin, _, ymax = gbbox
if ymax > ASCENT:
log.warning("Top of glyph '{}' may get clipped. "
"Glyph's ymax={}; Font's ascent={}".format(
gname, ymax, ASCENT))
if ymin < DESCENT:
log.warning("Bottom of glyph '{}' may get clipped. "
"Glyph's ymin={}; Font's descent={}".format(
gname, ymin, DESCENT))
lsb = xmin
tsb = EMOJI_V_ADV - ymax - EMOJI_H_ADV * (1 - ABOVE_BASELINE)
glyphs_bearings[gname] = (lsb, tsb)
else:
glyphs_bearings[gname] = (0, 0)
h_metrics = {}
v_metrics = {}
for gname in gorder:
h_metrics[gname] = (EMOJI_H_ADV, glyphs_bearings[gname][0])
v_metrics[gname] = (EMOJI_V_ADV, glyphs_bearings[gname][1])
fb.setupHorizontalMetrics(h_metrics)
fb.setupVerticalMetrics(v_metrics)
fb.setupHorizontalHeader(ascent=ASCENT, descent=DESCENT)
v_ascent = EMOJI_H_ADV // 2
v_descent = EMOJI_H_ADV - v_ascent
fb.setupVerticalHeader(ascent=v_ascent,
descent=-v_descent,
caretSlopeRun=1)
VERSION_STRING = 'Version {};{}'.format(revision, VENDOR)
UNIQUE_ID = '{};{};{}'.format(revision, VENDOR, PS_NAME)
name_strings = dict(
copyright=COPYRIGHT, # ID 0
familyName=FAMILY_NAME, # ID 1
styleName=STYLE_NAME, # ID 2
uniqueFontIdentifier=UNIQUE_ID, # ID 3
fullName=FULL_NAME, # ID 4
version=VERSION_STRING, # ID 5
psName=PS_NAME, # ID 6
trademark=TRADEMARK, # ID 7
manufacturer=MANUFACTURER, # ID 8
designer=DESIGNER, # ID 9
vendorURL=VENDOR_URL, # ID 11
designerURL=DESIGNER_URL, # ID 12
licenseDescription=LICENSE, # ID 13
licenseInfoURL=LICENSE_URL, # ID 14
)
fb.setupNameTable(name_strings, mac=False)
fb.setupOS2(
fsType=FSTYPE,
achVendID=VENDOR,
fsSelection=0x0040, # REGULAR
usWinAscent=ASCENT,
usWinDescent=-DESCENT,
sTypoAscender=ASCENT,
sTypoDescender=DESCENT,
sCapHeight=ASCENT,
ulCodePageRange1=(1 << 1)) # set 1st CP bit
if gsub_path:
addOpenTypeFeatures(fb.font, gsub_path, tables=['GSUB'])
if gpos_path:
addOpenTypeFeatures(fb.font, gpos_path, tables=['GPOS'])
fb.setupPost(isFixedPitch=1,
underlinePosition=UNDERLINE_POSITION,
underlineThickness=UNDERLINE_THICKNESS)
fb.setupDummyDSIG()
fb.save(os.path.join(out_dir, '{}.otf'.format(PS_NAME)))
def build(instance, isTTF, version):
font = instance.parent
source = font.masters[0]
fea, marks = makeFeatures(instance, source)
source.blueValues = []
source.otherBlues = []
for zone in sorted(source.alignmentZones):
pos = zone.position
size = zone.size
vals = sorted((pos, pos + size))
if pos == 0 or size >= 0:
source.blueValues.extend(vals)
else:
source.otherBlues.extend(vals)
fontinfo = f"""
FontName {instance.fontName}
OrigEmSqUnits {font.upm}
DominantV {source.verticalStems}
DominantH {source.horizontalStems}
BaselineOvershoot {source.blueValues[0]}
BaselineYCoord {source.blueValues[1]}
LcHeight {source.blueValues[2]}
LcOvershoot {source.blueValues[3] - source.blueValues[2]}
CapHeight {source.blueValues[4]}
CapOvershoot {source.blueValues[5] - source.blueValues[4]}
AscenderHeight {source.blueValues[6]}
AscenderOvershoot {source.blueValues[7] - source.blueValues[6]}
Baseline5 {source.otherBlues[1]}
Baseline5Overshoot {source.otherBlues[0] - source.otherBlues[1]}
FlexOK true
BlueFuzz 1
"""
characterMap = {}
glyphs = {}
metrics = {}
layerSet = {g.name: g.layers[source.id] for g in font.glyphs}
if isTTF:
from fontTools.pens.cu2quPen import Cu2QuPen
from fontTools.pens.recordingPen import RecordingPen
for glyph in font.glyphs:
layer = glyph.layers[source.id]
pen = RecordingPen()
layer.draw(pen)
layer.paths = []
layer.components = []
pen.replay(Cu2QuPen(layer.getPen(), 1.0, reverse_direction=True))
for glyph in font.glyphs:
if not glyph.export and not isTTF:
continue
name = glyph.name
for code in glyph.unicodes:
characterMap[int(code, 16)] = name
layer = glyph.layers[source.id]
width = 0 if name in marks else layer.width
pen = BoundsPen(layerSet)
layer.draw(pen)
metrics[name] = (width, pen.bounds[0] if pen.bounds else 0)
if isTTF:
from fontTools.pens.ttGlyphPen import TTGlyphPen
pen = TTGlyphPen(layerSet)
if layer.paths:
# Decompose and remove overlaps.
path = Path()
layer.draw(DecomposePathPen(path, layerSet))
path.simplify(fix_winding=True, keep_starting_points=True)
path.draw(pen)
else:
# Composite-only glyph, no need to decompose.
layer.draw(FlattenComponentsPen(pen, layerSet))
glyphs[name] = pen.glyph()
else:
from fontTools.pens.t2CharStringPen import T2CharStringPen
# Draw glyph and remove overlaps.
path = Path()
layer.draw(DecomposePathPen(path, layerSet))
path.simplify(fix_winding=True, keep_starting_points=True)
# Build CharString.
pen = T2CharStringPen(width, None)
path.draw(pen)
glyphs[name] = pen.getCharString()
vendor = font.customParameters["vendorID"]
names = {
"copyright": font.copyright,
"familyName": instance.familyName,
"styleName": instance.name,
"uniqueFontIdentifier": f"{version};{vendor};{instance.fontName}",
"fullName": instance.fullName,
"version": f"Version {version}",
"psName": instance.fontName,
"manufacturer": font.manufacturer,
"designer": font.designer,
"description": font.customParameters["description"],
"vendorURL": font.manufacturerURL,
"designerURL": font.designerURL,
"licenseDescription": font.customParameters["license"],
"licenseInfoURL": font.customParameters["licenseURL"],
"sampleText": font.customParameters["sampleText"],
}
date = int(font.date.timestamp()) - epoch_diff
fb = FontBuilder(font.upm, isTTF=isTTF)
fb.updateHead(fontRevision=version, created=date, modified=date)
fb.setupGlyphOrder(font.glyphOrder)
fb.setupCharacterMap(characterMap)
fb.setupNameTable(names, mac=False)
fb.setupHorizontalHeader(
ascent=source.ascender,
descent=source.descender,
lineGap=source.customParameters["typoLineGap"],
)
if isTTF:
fb.setupGlyf(glyphs)
else:
privateDict = {
"BlueValues": source.blueValues,
"OtherBlues": source.otherBlues,
"StemSnapH": source.horizontalStems,
"StemSnapV": source.verticalStems,
"StdHW": source.horizontalStems[0],
"StdVW": source.verticalStems[0],
}
fontInfo = {
"FullName": names["fullName"],
"Notice": names["copyright"].replace("©", "\(c\)"),
"version": f"{version}",
"Weight": instance.name,
}
fb.setupCFF(names["psName"], fontInfo, glyphs, privateDict)
fb.setupHorizontalMetrics(metrics)
codePages = [CODEPAGE_RANGES[v] for v in font.customParameters["codePageRanges"]]
fb.setupOS2(
version=4,
sTypoAscender=source.ascender,
sTypoDescender=source.descender,
sTypoLineGap=source.customParameters["typoLineGap"],
usWinAscent=source.ascender,
usWinDescent=-source.descender,
sxHeight=source.xHeight,
sCapHeight=source.capHeight,
achVendID=vendor,
fsType=calcBits(font.customParameters["fsType"], 0, 16),
fsSelection=calcFsSelection(instance),
ulUnicodeRange1=calcBits(font.customParameters["unicodeRanges"], 0, 32),
ulCodePageRange1=calcBits(codePages, 0, 32),
)
underlineThickness = int(source.customParameters["underlineThickness"])
underlinePosition = int(source.customParameters["underlinePosition"])
fb.setupPost(
keepGlyphNames=False,
underlineThickness=underlineThickness,
underlinePosition=underlinePosition + underlineThickness // 2,
)
fb.font["meta"] = meta = newTable("meta")
meta.data = {"dlng": "Arab", "slng": "Arab"}
fb.addOpenTypeFeatures(fea)
if isTTF:
from fontTools.ttLib.tables import ttProgram
fb.setupDummyDSIG()
fb.font["gasp"] = gasp = newTable("gasp")
gasp.gaspRange = {0xFFFF: 15}
fb.font["prep"] = prep = newTable("prep")
prep.program = ttProgram.Program()
assembly = ["PUSHW[]", "511", "SCANCTRL[]", "PUSHB[]", "4", "SCANTYPE[]"]
prep.program.fromAssembly(assembly)
else:
from cffsubr import subroutinize
subroutinize(fb.font)
return fb.font
def test_subset_single_pos_format():
fb = FontBuilder(unitsPerEm=1000)
fb.setupGlyphOrder([".notdef", "a", "b", "c"])
fb.setupCharacterMap({ord("a"): "a", ord("b"): "b", ord("c"): "c"})
fb.setupNameTable({
"familyName": "TestSingePosFormat",
"styleName": "Regular"
})
fb.setupPost()
fb.addOpenTypeFeatures("""
feature kern {
pos a -50;
pos b -40;
pos c -50;
} kern;
""")
buf = io.BytesIO()
fb.save(buf)
buf.seek(0)
font = TTFont(buf)
# The input font has a SinglePos Format 2 subtable where each glyph has
# different ValueRecords
assert getXML(font["GPOS"].table.LookupList.Lookup[0].toXML, font) == [
'<Lookup>',
' <LookupType value="1"/>',
' <LookupFlag value="0"/>',
' <!-- SubTableCount=1 -->',
' <SinglePos index="0" Format="2">',
' <Coverage Format="1">',
' <Glyph value="a"/>',
' <Glyph value="b"/>',
' <Glyph value="c"/>',
' </Coverage>',
' <ValueFormat value="4"/>',
' <!-- ValueCount=3 -->',
' <Value index="0" XAdvance="-50"/>',
' <Value index="1" XAdvance="-40"/>',
' <Value index="2" XAdvance="-50"/>',
' </SinglePos>',
'</Lookup>',
]
options = subset.Options()
subsetter = subset.Subsetter(options)
subsetter.populate(unicodes=[ord("a"), ord("c")])
subsetter.subset(font)
# All the subsetted glyphs from the original SinglePos Format2 subtable
# now have the same ValueRecord, so we use a more compact Format 1 subtable.
assert getXML(font["GPOS"].table.LookupList.Lookup[0].toXML, font) == [
'<Lookup>',
' <LookupType value="1"/>',
' <LookupFlag value="0"/>',
' <!-- SubTableCount=1 -->',
' <SinglePos index="0" Format="1">',
' <Coverage Format="1">',
' <Glyph value="a"/>',
' <Glyph value="c"/>',
' </Coverage>',
' <ValueFormat value="4"/>',
' <Value XAdvance="-50"/>',
' </SinglePos>',
'</Lookup>',
]
class TTFBuilder:
@classmethod
def from_bdf_path(cls, path: Path):
with path.open() as f:
bdf = BdfFont.from_bdf(f)
return cls(bdf)
def __init__(self, bdf: BdfFont):
self.bdf = bdf
upm = 1000
self.fb = FontBuilder(unitsPerEm=upm)
self.ppp = upm / int(self.bdf.meta("SIZE")[0])
w, h, startx, starty = self.bdf.meta("FONTBOUNDINGBOX")
self.ascent = int(self.bdf.meta("FONT_ASCENT")[0])
self.descent = int(self.bdf.meta("FONT_DESCENT")[0])
self.w = int(w)
self.h = int(h)
self.startx = int(startx)
self.starty = int(starty)
def build(self, output_path: str):
glyph_names = {
k: glyph.meta("STARTCHAR")[0]
for k, glyph in self.bdf.glyphs.items() if k >= 0
}
ascent = round(self.ascent * self.ppp)
descent = round(self.descent * self.ppp)
self.fb.setupGlyphOrder(list(glyph_names.values()))
self.fb.setupCharacterMap(glyph_names)
advance_widths = {
name: int(self.bdf.glyphs[k].meta("SWIDTH")[0])
for k, name in glyph_names.items()
}
family_name = "CozetteVector"
style_name = "Regular"
version = get_version()
# scripts.sil.org/cms/scripts/page.php?site_id=nrsi&id=IWS-Chapter08
namestrings = {
"familyName": {
"en": family_name
},
"styleName": {
"en": style_name
},
"uniqueFontIdentifier": f"fontBuilder: {family_name}.{style_name}",
"fullName": family_name,
"psName": f"{family_name}-{style_name}",
"version": f"Version {version}",
"copyright": "(c) 2020 Slavfox",
"manufacturer": "Slavfox",
"designer": "Slavfox",
"description": "Programming bitmap font optimized for coziness",
"vendorURL": "https://github.com/slavfox",
"designerURL": "https://github.com/slavfox",
"licenseDescription": LICENSE_TEXT,
"licenseInfoURL": "https://opensource.org/licenses/MIT",
"sampleText": "A wizard’s job is to vex chumps quickly in fog.",
}
self.fb.setupGlyf({
name: self.bdf.glyphs[k].draw(self.ppp)
for k, name in glyph_names.items()
})
metrics = {
name: (w, self.fb.font["glyf"][name].xMin)
for name, w in advance_widths.items()
}
self.fb.setupHorizontalMetrics(metrics)
self.fb.setupHorizontalHeader(ascent=ascent, descent=-descent)
self.fb.setupNameTable(namestrings)
self.fb.setupOS2(
sTypoAscender=ascent,
usWinAscent=ascent,
usWinDescent=descent,
panose={
**_panoseDefaults,
"bFamilyType": 2, # Text and display
"bProportion": 9 # Monospace
})
self.fb.setupPost(isFixedPitch=1)
self.fb.save(output_path)
def build(instance, opts):
font = instance.parent
master = font.masters[0]
glyphOrder = []
advanceWidths = {}
characterMap = {}
charStrings = {}
colorLayers = {}
for glyph in font.glyphs:
if not glyph.export:
continue
name = glyph.name
for layer in glyph.layers:
if layer.name.startswith("Color "):
_, index = layer.name.split(" ")
if name not in colorLayers:
colorLayers[name] = []
colorLayers[name].append((name, int(index)))
glyphOrder.append(name)
if glyph.unicode:
characterMap[int(glyph.unicode, 16)] = name
layer = getLayer(glyph, instance)
charStrings[name] = draw(layer, instance).getCharString()
advanceWidths[name] = layer.width
# XXX
glyphOrder.pop(glyphOrder.index(".notdef"))
glyphOrder.pop(glyphOrder.index("space"))
glyphOrder.insert(0, ".notdef")
glyphOrder.insert(1, "space")
version = float(opts.version)
vendor = font.customParameters["vendorID"]
names = {
"copyright": font.copyright,
"familyName": instance.familyName,
"styleName": instance.name,
"uniqueFontIdentifier": f"{version:.03f};{vendor};{instance.fontName}",
"fullName": instance.fullName,
"version": f"Version {version:.03f}",
"psName": instance.fontName,
"manufacturer": font.manufacturer,
"designer": font.designer,
"vendorURL": font.manufacturerURL,
"designerURL": font.designerURL,
"licenseDescription": font.customParameters["license"],
"licenseInfoURL": font.customParameters["licenseURL"],
"sampleText": font.customParameters["sampleText"],
}
fb = FontBuilder(font.upm, isTTF=False)
fb.updateHead(fontRevision=version)
fb.setupGlyphOrder(glyphOrder)
fb.setupCharacterMap(characterMap)
fb.setupNameTable(names, mac=False)
fb.setupHorizontalHeader(ascent=master.ascender,
descent=master.descender,
lineGap=master.customParameters['hheaLineGap'])
if opts.debug:
fb.setupCFF(names["psName"], {}, charStrings, {})
else:
fb.setupCFF2(charStrings)
metrics = {}
for name, width in advanceWidths.items():
bounds = charStrings[name].calcBounds(None) or [0]
metrics[name] = (width, bounds[0])
fb.setupHorizontalMetrics(metrics)
fb.setupPost()
fea = makeFeatures(instance, master, opts)
fb.addOpenTypeFeatures(fea)
palettes = master.customParameters["Color Palettes"]
palettes = [[tuple(int(v) / 255 for v in c.split(",")) for c in p]
for p in palettes]
fb.setupCPAL(palettes)
fb.setupCOLR(colorLayers)
instance.font = fb.font
axes = [
instance.weightValue,
instance.widthValue,
instance.customValue,
instance.customValue1,
instance.customValue2,
instance.customValue3,
]
instance.axes = {}
for i, axis in enumerate(font.customParameters["Axes"]):
instance.axes[axis["Tag"]] = axes[i]
if opts.debug:
fb.font.save(f"{instance.fontName}.otf")
fb.font.saveXML(f"{instance.fontName}.ttx")
return fb.font
def obfuscate_plus(plain_text,
filename: str,
only_ttf: bool,
target_path: str = 'output'):
"""
:param plain_text: 用户看到的内容
:param filename: 不含格式后缀的文件名
:param only_ttf: 是否需要woff、woff2格式
:param target_path: 生成的目标目录
"""
if str_has_whitespace(plain_text):
raise Exception('明文不允许含有空格')
if str_has_emoji(plain_text):
raise Exception('明文不允许含有emoji')
plain_text = deduplicate_str(plain_text)
original_font = TTFont(root / 'base-font/KaiGenGothicCN-Regular.ttf')
# https://github.com/fonttools/fonttools/blob/4.0.1/Lib/fontTools/fontBuilder.py#L28
# <class 'dict'>: {32: 'cid00001', 33: 'cid00002', 34: 'cid00003'...}
# key 为 ord(字符串)
original_cmap: dict = original_font.getBestCmap()
try:
ensure_cmap_has_all_text(original_cmap, plain_text)
except Exception as e:
raise e
# print('plain_text', plain_text)
glyphs, metrics, cmap = {}, {}, {}
# Unicode字符平面映射
# https://zh.wikipedia.org/wiki/Unicode%E5%AD%97%E7%AC%A6%E5%B9%B3%E9%9D%A2%E6%98%A0%E5%B0%84
private_codes = random.sample(range(0xE000, 0xF8FF), len(plain_text))
# 中文汉字和常见英文数字等的unicode编码范围实例页面
# https://www.zhangxinxu.com/study/201611/chinese-language-unicode-range.html
cjk_codes = random.sample(range(0x4E00, 0x9FA5), len(plain_text))
# print('private_codes', private_codes)
# print('cjk_codes', cjk_codes)
# https://github.com/fonttools/fonttools/blob/4.0.1/Tests/pens/ttGlyphPen_test.py#L21
glyph_set = original_font.getGlyphSet()
pen = TTGlyphPen(glyph_set)
glyph_order = original_font.getGlyphOrder()
# print('glyph_order', glyph_order)
final_shadow_text: list = []
if 'null' in glyph_order:
# print('基础字体含有 null')
glyph_set['null'].draw(pen)
glyphs['null'] = pen.glyph()
metrics['null'] = original_font['hmtx']['null']
final_shadow_text += ['null']
if '.notdef' in glyph_order:
# print('基础字体含有 .notdef')
glyph_set['.notdef'].draw(pen)
glyphs['.notdef'] = pen.glyph()
metrics['.notdef'] = original_font['hmtx']['.notdef']
final_shadow_text += ['.notdef']
html_entities = []
# 理论上这里还可以再打散一次顺序
for index, plain in enumerate(plain_text):
# print('index', index, 'plain', plain)
try:
shadow_cmap_name = original_cmap[cjk_codes[index]]
# print('shadow_cmap_name', shadow_cmap_name)
except KeyError:
# 遇到基础字库不存在的字会出现这种错误
traceback.print_exc()
return obfuscate_plus(filename, plain_text, only_ttf, target_path)
final_shadow_text += [shadow_cmap_name]
glyph_set[original_cmap[ord(plain)]].draw(pen)
glyphs[shadow_cmap_name] = pen.glyph()
metrics[shadow_cmap_name] = original_font['hmtx'][original_cmap[ord(
plain)]]
cmap[private_codes[index]] = shadow_cmap_name
html_entities += [hex(private_codes[index]).replace('0x', '&#x')]
# print('cmap', cmap)
# print('metrics', metrics)
# print('final_shadow_text', final_shadow_text)
# print('html_entities', html_entities)
horizontal_header = {
'ascent': original_font['hhea'].ascent,
'descent': original_font['hhea'].descent,
}
fb = FontBuilder(original_font['head'].unitsPerEm, isTTF=True)
fb.setupGlyphOrder(final_shadow_text)
fb.setupCharacterMap(cmap)
fb.setupGlyf(glyphs)
fb.setupHorizontalMetrics(metrics)
fb.setupHorizontalHeader(**horizontal_header)
fb.setupNameTable(NAME_STRING)
fb.setupOS2()
fb.setupPost()
fb.save(f'{root}/{target_path}/{filename}.ttf')
# print('创建了新字体文件', f'{root}/{target_path}/{filename}.ttf')
result = dict()
result['ttf'] = f'{root}/{target_path}/{filename}.ttf'
if only_ttf:
return result
else:
woff_and_woff2 = subset_ttf_font(f'{root}/{target_path}/{filename}')
return {
**result,
**woff_and_woff2
}, dict(zip(plain_text, html_entities))
def obfuscate(plain_text,
shadow_text,
filename: str,
only_ttf: bool,
target_path: str = 'output') -> dict:
"""
:param plain_text: 用户看到的内容
:param shadow_text: 爬虫看到的内容
:param filename: 不含格式后缀的文件名
:param only_ttf: 是否需要woff、woff2格式
:param target_path: 生成的目标目录
"""
if str_has_whitespace(plain_text) | str_has_whitespace(shadow_text):
raise Exception('明文或阴书不允许含有空格')
if str_has_emoji(plain_text) | str_has_emoji(shadow_text):
raise Exception('明文或阴书不允许含有emoji')
plain_text = deduplicate_str(plain_text)
shadow_text = deduplicate_str(shadow_text)
if plain_text == shadow_text:
raise Exception('没有意义的混淆')
if len(plain_text) != len(shadow_text):
raise Exception('阴书的有效长度需与明文一致')
original_font = TTFont(root / 'base-font/KaiGenGothicCN-Regular.ttf')
# https://github.com/fonttools/fonttools/blob/4.0.1/Lib/fontTools/fontBuilder.py#L28
# <class 'dict'>: {32: 'cid00001', 33: 'cid00002', 34: 'cid00003'...}
# key 为 ord(字符串)
original_cmap: dict = original_font.getBestCmap()
try:
ensure_cmap_has_all_text(original_cmap, plain_text)
except Exception as e:
raise e
# print('plain_text', plain_text)
# print('shadow_text', shadow_text)
glyphs, metrics, cmap = {}, {}, {}
# https://github.com/fonttools/fonttools/blob/4.0.1/Tests/pens/ttGlyphPen_test.py#L21
glyph_set = original_font.getGlyphSet()
pen = TTGlyphPen(glyph_set)
glyph_order = original_font.getGlyphOrder()
# print('glyph_order', glyph_order)
final_shadow_text: list = []
if 'null' in glyph_order:
# print('基础字体含有 null')
glyph_set['null'].draw(pen)
glyphs['null'] = pen.glyph()
metrics['null'] = original_font['hmtx']['null']
final_shadow_text += ['null']
if '.notdef' in glyph_order:
# print('基础字体含有 .notdef')
glyph_set['.notdef'].draw(pen)
glyphs['.notdef'] = pen.glyph()
metrics['.notdef'] = original_font['hmtx']['.notdef']
final_shadow_text += ['.notdef']
for index, (plain, shadow) in enumerate(zip(plain_text, shadow_text)):
# print('index', index, 'plain', plain, 'shadow', shadow)
shadow_cmap_name = original_cmap[ord(shadow)]
# print('shadow_cmap_name', shadow_cmap_name)
final_shadow_text += [shadow_cmap_name]
glyph_set[original_cmap[ord(plain)]].draw(pen)
glyphs[shadow_cmap_name] = pen.glyph()
metrics[shadow_cmap_name] = original_font['hmtx'][original_cmap[ord(
plain)]]
cmap[ord(shadow)] = shadow_cmap_name
# print('cmap', cmap)
# print('metrics', metrics)
# print('final_shadow_text', final_shadow_text)
horizontal_header = {
'ascent': original_font['hhea'].ascent,
'descent': original_font['hhea'].descent,
}
fb = FontBuilder(original_font['head'].unitsPerEm, isTTF=True)
fb.setupGlyphOrder(final_shadow_text)
fb.setupCharacterMap(cmap)
fb.setupGlyf(glyphs)
fb.setupHorizontalMetrics(metrics)
fb.setupHorizontalHeader(**horizontal_header)
fb.setupNameTable(NAME_STRING)
fb.setupOS2()
fb.setupPost()
# print('创建了新字体文件', f'{target_path}/{filename}.ttf')
fb.save(f'{root}/{target_path}/{filename}.ttf')
# print('创建了新字体文件', f'{target_path}/{filename}.ttf')
result = dict()
result['ttf'] = f'{root}/{target_path}/{filename}.ttf'
if not only_ttf:
woff_and_woff2 = subset_ttf_font(f'{root}/{target_path}/{filename}')
result = {**result, **woff_and_woff2}
return result
def build(instance, opts):
font = instance.parent
master = font.masters[0]
fea, marks = makeFeatures(instance, master)
glyphOrder = []
advanceWidths = {}
characterMap = {}
charStrings = {}
for glyph in font.glyphs:
if not glyph.export:
continue
name = glyph.name
glyphOrder.append(name)
if glyph.unicode:
characterMap[int(glyph.unicode, 16)] = name
layer = getLayer(glyph, instance)
width = 0 if name in marks else layer.width
path = Path()
draw(layer, instance, path.getPen())
path.simplify(fix_winding=True, keep_starting_points=True)
pen = T2CharStringPen(width, None)
path.draw(pen)
charStrings[name] = pen.getCharString(optimize=False)
advanceWidths[name] = width
# XXX
glyphOrder.pop(glyphOrder.index(".notdef"))
glyphOrder.pop(glyphOrder.index("space"))
glyphOrder.insert(0, ".notdef")
glyphOrder.insert(1, "space")
version = float(opts.version)
vendor = font.customParameters["vendorID"]
names = {
"copyright": font.copyright,
"familyName": instance.familyName,
"styleName": instance.name,
"uniqueFontIdentifier": f"{version:.03f};{vendor};{instance.fontName}",
"fullName": instance.fullName,
"version": f"Version {version:.03f}",
"psName": instance.fontName,
"manufacturer": font.manufacturer,
"designer": font.designer,
"description": font.customParameters["description"],
"vendorURL": font.manufacturerURL,
"designerURL": font.designerURL,
"licenseDescription": font.customParameters["license"],
"licenseInfoURL": font.customParameters["licenseURL"],
"sampleText": font.customParameters["sampleText"],
}
date = int(font.date.timestamp()) - epoch_diff
fb = FontBuilder(font.upm, isTTF=False)
fb.updateHead(fontRevision=version, created=date, modified=date)
fb.setupGlyphOrder(glyphOrder)
fb.setupCharacterMap(characterMap)
fb.setupNameTable(names, mac=False)
fb.setupHorizontalHeader(ascent=master.ascender, descent=master.descender,
lineGap=master.customParameters["typoLineGap"])
privateDict = {
"BlueValues": [],
"OtherBlues": [],
"StemSnapH": master.horizontalStems,
"StemSnapV": master.verticalStems,
"StdHW": master.horizontalStems[0],
"StdVW": master.verticalStems[0],
}
for zone in sorted(master.alignmentZones):
pos = zone.position
size = zone.size
vals = privateDict["BlueValues"] if pos == 0 or size >= 0 else privateDict["OtherBlues"]
vals.extend(sorted((pos, pos + size)))
fontInfo = {
"FullName": names["fullName"],
"Notice": names["copyright"].replace("©", "\(c\)"),
"version": f"{version:07.03f}",
"Weight": instance.name,
}
fb.setupCFF(names["psName"], fontInfo, charStrings, privateDict)
metrics = {}
for i, (name, width) in enumerate(advanceWidths.items()):
bounds = charStrings[name].calcBounds(None) or [0]
metrics[name] = (width, bounds[0])
fb.setupHorizontalMetrics(metrics)
codePages = [CODEPAGE_RANGES[v] for v in font.customParameters["codePageRanges"]]
fb.setupOS2(version=4, sTypoAscender=master.ascender,
sTypoDescender=master.descender,
sTypoLineGap=master.customParameters["typoLineGap"],
usWinAscent=master.ascender, usWinDescent=-master.descender,
sxHeight=master.xHeight, sCapHeight=master.capHeight,
achVendID=vendor,
fsType=calcBits(font.customParameters["fsType"], 0, 16),
fsSelection=calcFsSelection(instance),
ulUnicodeRange1=calcBits(font.customParameters["unicodeRanges"], 0, 32),
ulCodePageRange1=calcBits(codePages, 0, 32))
ut = int(master.customParameters["underlineThickness"])
up = int(master.customParameters["underlinePosition"])
fb.setupPost(underlineThickness=ut, underlinePosition=up + ut//2)
fb.addOpenTypeFeatures(fea)
cidinfo = f"""
FontName ({names["psName"]})
FamilyName ({names["familyName"]})
Weight ({fontInfo["Weight"]})
version ({fontInfo["version"]})
Notice ({fontInfo["Notice"]})
Registry Adobe
Ordering Identity
Supplement 0
"""
cidmap = f"mergefonts {instance.fontName}\n" \
+ "\n".join([f"{i} {n}" for i, n in enumerate(glyphOrder)])
return fb.font, cidinfo, cidmap