513 lines
19 KiB
Python
513 lines
19 KiB
Python
|
"""
|
||
|
|
Instantiate a variation font. Run, eg:
|
||
|
|
|
||
|
|
$ fonttools varLib.mutator ./NotoSansArabic-VF.ttf wght=140 wdth=85
|
||
|
|
"""
|
||
|
|
|
||
|
|
from fontTools.misc.fixedTools import floatToFixedToFloat, floatToFixed
|
||
|
|
from fontTools.misc.roundTools import otRound
|
||
|
|
from fontTools.pens.boundsPen import BoundsPen
|
||
|
|
from fontTools.ttLib import TTFont, newTable
|
||
|
|
from fontTools.ttLib.tables import ttProgram
|
||
|
|
from fontTools.ttLib.tables._g_l_y_f import (
|
||
|
|
GlyphCoordinates,
|
||
|
|
flagOverlapSimple,
|
||
|
|
OVERLAP_COMPOUND,
|
||
|
|
)
|
||
|
|
from fontTools.varLib.models import (
|
||
|
|
supportScalar,
|
||
|
|
normalizeLocation,
|
||
|
|
piecewiseLinearMap,
|
||
|
|
)
|
||
|
|
from fontTools.varLib.merger import MutatorMerger
|
||
|
|
from fontTools.varLib.varStore import VarStoreInstancer
|
||
|
|
from fontTools.varLib.mvar import MVAR_ENTRIES
|
||
|
|
from fontTools.varLib.iup import iup_delta
|
||
|
|
import fontTools.subset.cff
|
||
|
|
import os.path
|
||
|
|
import logging
|
||
|
|
from io import BytesIO
|
||
|
|
|
||
|
|
|
||
|
|
log = logging.getLogger("fontTools.varlib.mutator")
|
||
|
|
|
||
|
|
# map 'wdth' axis (1..200) to OS/2.usWidthClass (1..9), rounding to closest
|
||
|
|
OS2_WIDTH_CLASS_VALUES = {}
|
||
|
|
percents = [50.0, 62.5, 75.0, 87.5, 100.0, 112.5, 125.0, 150.0, 200.0]
|
||
|
|
for i, (prev, curr) in enumerate(zip(percents[:-1], percents[1:]), start=1):
|
||
|
|
half = (prev + curr) / 2
|
||
|
|
OS2_WIDTH_CLASS_VALUES[half] = i
|
||
|
|
|
||
|
|
|
||
|
|
def interpolate_cff2_PrivateDict(topDict, interpolateFromDeltas):
|
||
|
|
pd_blend_lists = (
|
||
|
|
"BlueValues",
|
||
|
|
"OtherBlues",
|
||
|
|
"FamilyBlues",
|
||
|
|
"FamilyOtherBlues",
|
||
|
|
"StemSnapH",
|
||
|
|
"StemSnapV",
|
||
|
|
)
|
||
|
|
pd_blend_values = ("BlueScale", "BlueShift", "BlueFuzz", "StdHW", "StdVW")
|
||
|
|
for fontDict in topDict.FDArray:
|
||
|
|
pd = fontDict.Private
|
||
|
|
vsindex = pd.vsindex if (hasattr(pd, "vsindex")) else 0
|
||
|
|
for key, value in pd.rawDict.items():
|
||
|
|
if (key in pd_blend_values) and isinstance(value, list):
|
||
|
|
delta = interpolateFromDeltas(vsindex, value[1:])
|
||
|
|
pd.rawDict[key] = otRound(value[0] + delta)
|
||
|
|
elif (key in pd_blend_lists) and isinstance(value[0], list):
|
||
|
|
"""If any argument in a BlueValues list is a blend list,
|
||
|
|
then they all are. The first value of each list is an
|
||
|
|
absolute value. The delta tuples are calculated from
|
||
|
|
relative master values, hence we need to append all the
|
||
|
|
deltas to date to each successive absolute value."""
|
||
|
|
delta = 0
|
||
|
|
for i, val_list in enumerate(value):
|
||
|
|
delta += otRound(interpolateFromDeltas(vsindex, val_list[1:]))
|
||
|
|
value[i] = val_list[0] + delta
|
||
|
|
|
||
|
|
|
||
|
|
def interpolate_cff2_charstrings(topDict, interpolateFromDeltas, glyphOrder):
|
||
|
|
charstrings = topDict.CharStrings
|
||
|
|
for gname in glyphOrder:
|
||
|
|
# Interpolate charstring
|
||
|
|
# e.g replace blend op args with regular args,
|
||
|
|
# and use and discard vsindex op.
|
||
|
|
charstring = charstrings[gname]
|
||
|
|
new_program = []
|
||
|
|
vsindex = 0
|
||
|
|
last_i = 0
|
||
|
|
for i, token in enumerate(charstring.program):
|
||
|
|
if token == "vsindex":
|
||
|
|
vsindex = charstring.program[i - 1]
|
||
|
|
if last_i != 0:
|
||
|
|
new_program.extend(charstring.program[last_i : i - 1])
|
||
|
|
last_i = i + 1
|
||
|
|
elif token == "blend":
|
||
|
|
num_regions = charstring.getNumRegions(vsindex)
|
||
|
|
numMasters = 1 + num_regions
|
||
|
|
num_args = charstring.program[i - 1]
|
||
|
|
# The program list starting at program[i] is now:
|
||
|
|
# ..args for following operations
|
||
|
|
# num_args values from the default font
|
||
|
|
# num_args tuples, each with numMasters-1 delta values
|
||
|
|
# num_blend_args
|
||
|
|
# 'blend'
|
||
|
|
argi = i - (num_args * numMasters + 1)
|
||
|
|
end_args = tuplei = argi + num_args
|
||
|
|
while argi < end_args:
|
||
|
|
next_ti = tuplei + num_regions
|
||
|
|
deltas = charstring.program[tuplei:next_ti]
|
||
|
|
delta = interpolateFromDeltas(vsindex, deltas)
|
||
|
|
charstring.program[argi] += otRound(delta)
|
||
|
|
tuplei = next_ti
|
||
|
|
argi += 1
|
||
|
|
new_program.extend(charstring.program[last_i:end_args])
|
||
|
|
last_i = i + 1
|
||
|
|
if last_i != 0:
|
||
|
|
new_program.extend(charstring.program[last_i:])
|
||
|
|
charstring.program = new_program
|
||
|
|
|
||
|
|
|
||
|
|
def interpolate_cff2_metrics(varfont, topDict, glyphOrder, loc):
|
||
|
|
"""Unlike TrueType glyphs, neither advance width nor bounding box
|
||
|
|
info is stored in a CFF2 charstring. The width data exists only in
|
||
|
|
the hmtx and HVAR tables. Since LSB data cannot be interpolated
|
||
|
|
reliably from the master LSB values in the hmtx table, we traverse
|
||
|
|
the charstring to determine the actual bound box."""
|
||
|
|
|
||
|
|
charstrings = topDict.CharStrings
|
||
|
|
boundsPen = BoundsPen(glyphOrder)
|
||
|
|
hmtx = varfont["hmtx"]
|
||
|
|
hvar_table = None
|
||
|
|
if "HVAR" in varfont:
|
||
|
|
hvar_table = varfont["HVAR"].table
|
||
|
|
fvar = varfont["fvar"]
|
||
|
|
varStoreInstancer = VarStoreInstancer(hvar_table.VarStore, fvar.axes, loc)
|
||
|
|
|
||
|
|
for gid, gname in enumerate(glyphOrder):
|
||
|
|
entry = list(hmtx[gname])
|
||
|
|
# get width delta.
|
||
|
|
if hvar_table:
|
||
|
|
if hvar_table.AdvWidthMap:
|
||
|
|
width_idx = hvar_table.AdvWidthMap.mapping[gname]
|
||
|
|
else:
|
||
|
|
width_idx = gid
|
||
|
|
width_delta = otRound(varStoreInstancer[width_idx])
|
||
|
|
else:
|
||
|
|
width_delta = 0
|
||
|
|
|
||
|
|
# get LSB.
|
||
|
|
boundsPen.init()
|
||
|
|
charstring = charstrings[gname]
|
||
|
|
charstring.draw(boundsPen)
|
||
|
|
if boundsPen.bounds is None:
|
||
|
|
# Happens with non-marking glyphs
|
||
|
|
lsb_delta = 0
|
||
|
|
else:
|
||
|
|
lsb = otRound(boundsPen.bounds[0])
|
||
|
|
lsb_delta = entry[1] - lsb
|
||
|
|
|
||
|
|
if lsb_delta or width_delta:
|
||
|
|
if width_delta:
|
||
|
|
entry[0] = max(0, entry[0] + width_delta)
|
||
|
|
if lsb_delta:
|
||
|
|
entry[1] = lsb
|
||
|
|
hmtx[gname] = tuple(entry)
|
||
|
|
|
||
|
|
|
||
|
|
def instantiateVariableFont(varfont, location, inplace=False, overlap=True):
|
||
|
|
"""Generate a static instance from a variable TTFont and a dictionary
|
||
|
|
defining the desired location along the variable font's axes.
|
||
|
|
The location values must be specified as user-space coordinates, e.g.:
|
||
|
|
|
||
|
|
{'wght': 400, 'wdth': 100}
|
||
|
|
|
||
|
|
By default, a new TTFont object is returned. If ``inplace`` is True, the
|
||
|
|
input varfont is modified and reduced to a static font.
|
||
|
|
|
||
|
|
When the overlap parameter is defined as True,
|
||
|
|
OVERLAP_SIMPLE and OVERLAP_COMPOUND bits are set to 1. See
|
||
|
|
https://docs.microsoft.com/en-us/typography/opentype/spec/glyf
|
||
|
|
"""
|
||
|
|
if not inplace:
|
||
|
|
# make a copy to leave input varfont unmodified
|
||
|
|
stream = BytesIO()
|
||
|
|
varfont.save(stream)
|
||
|
|
stream.seek(0)
|
||
|
|
varfont = TTFont(stream)
|
||
|
|
|
||
|
|
fvar = varfont["fvar"]
|
||
|
|
axes = {a.axisTag: (a.minValue, a.defaultValue, a.maxValue) for a in fvar.axes}
|
||
|
|
loc = normalizeLocation(location, axes)
|
||
|
|
if "avar" in varfont:
|
||
|
|
maps = varfont["avar"].segments
|
||
|
|
loc = {k: piecewiseLinearMap(v, maps[k]) for k, v in loc.items()}
|
||
|
|
# Quantize to F2Dot14, to avoid surprise interpolations.
|
||
|
|
loc = {k: floatToFixedToFloat(v, 14) for k, v in loc.items()}
|
||
|
|
# Location is normalized now
|
||
|
|
log.info("Normalized location: %s", loc)
|
||
|
|
|
||
|
|
if "gvar" in varfont:
|
||
|
|
log.info("Mutating glyf/gvar tables")
|
||
|
|
gvar = varfont["gvar"]
|
||
|
|
glyf = varfont["glyf"]
|
||
|
|
hMetrics = varfont["hmtx"].metrics
|
||
|
|
vMetrics = getattr(varfont.get("vmtx"), "metrics", None)
|
||
|
|
# get list of glyph names in gvar sorted by component depth
|
||
|
|
glyphnames = sorted(
|
||
|
|
gvar.variations.keys(),
|
||
|
|
key=lambda name: (
|
||
|
|
(
|
||
|
|
glyf[name].getCompositeMaxpValues(glyf).maxComponentDepth
|
||
|
|
if glyf[name].isComposite() or glyf[name].isVarComposite()
|
||
|
|
else 0
|
||
|
|
),
|
||
|
|
name,
|
||
|
|
),
|
||
|
|
)
|
||
|
|
for glyphname in glyphnames:
|
||
|
|
variations = gvar.variations[glyphname]
|
||
|
|
coordinates, _ = glyf._getCoordinatesAndControls(
|
||
|
|
glyphname, hMetrics, vMetrics
|
||
|
|
)
|
||
|
|
origCoords, endPts = None, None
|
||
|
|
for var in variations:
|
||
|
|
scalar = supportScalar(loc, var.axes)
|
||
|
|
if not scalar:
|
||
|
|
continue
|
||
|
|
delta = var.coordinates
|
||
|
|
if None in delta:
|
||
|
|
if origCoords is None:
|
||
|
|
origCoords, g = glyf._getCoordinatesAndControls(
|
||
|
|
glyphname, hMetrics, vMetrics
|
||
|
|
)
|
||
|
|
delta = iup_delta(delta, origCoords, g.endPts)
|
||
|
|
coordinates += GlyphCoordinates(delta) * scalar
|
||
|
|
glyf._setCoordinates(glyphname, coordinates, hMetrics, vMetrics)
|
||
|
|
else:
|
||
|
|
glyf = None
|
||
|
|
|
||
|
|
if "DSIG" in varfont:
|
||
|
|
del varfont["DSIG"]
|
||
|
|
|
||
|
|
if "cvar" in varfont:
|
||
|
|
log.info("Mutating cvt/cvar tables")
|
||
|
|
cvar = varfont["cvar"]
|
||
|
|
cvt = varfont["cvt "]
|
||
|
|
deltas = {}
|
||
|
|
for var in cvar.variations:
|
||
|
|
scalar = supportScalar(loc, var.axes)
|
||
|
|
if not scalar:
|
||
|
|
continue
|
||
|
|
for i, c in enumerate(var.coordinates):
|
||
|
|
if c is not None:
|
||
|
|
deltas[i] = deltas.get(i, 0) + scalar * c
|
||
|
|
for i, delta in deltas.items():
|
||
|
|
cvt[i] += otRound(delta)
|
||
|
|
|
||
|
|
if "CFF2" in varfont:
|
||
|
|
log.info("Mutating CFF2 table")
|
||
|
|
glyphOrder = varfont.getGlyphOrder()
|
||
|
|
CFF2 = varfont["CFF2"]
|
||
|
|
topDict = CFF2.cff.topDictIndex[0]
|
||
|
|
vsInstancer = VarStoreInstancer(topDict.VarStore.otVarStore, fvar.axes, loc)
|
||
|
|
interpolateFromDeltas = vsInstancer.interpolateFromDeltas
|
||
|
|
interpolate_cff2_PrivateDict(topDict, interpolateFromDeltas)
|
||
|
|
CFF2.desubroutinize()
|
||
|
|
interpolate_cff2_charstrings(topDict, interpolateFromDeltas, glyphOrder)
|
||
|
|
interpolate_cff2_metrics(varfont, topDict, glyphOrder, loc)
|
||
|
|
del topDict.rawDict["VarStore"]
|
||
|
|
del topDict.VarStore
|
||
|
|
|
||
|
|
if "MVAR" in varfont:
|
||
|
|
log.info("Mutating MVAR table")
|
||
|
|
mvar = varfont["MVAR"].table
|
||
|
|
varStoreInstancer = VarStoreInstancer(mvar.VarStore, fvar.axes, loc)
|
||
|
|
records = mvar.ValueRecord
|
||
|
|
for rec in records:
|
||
|
|
mvarTag = rec.ValueTag
|
||
|
|
if mvarTag not in MVAR_ENTRIES:
|
||
|
|
continue
|
||
|
|
tableTag, itemName = MVAR_ENTRIES[mvarTag]
|
||
|
|
delta = otRound(varStoreInstancer[rec.VarIdx])
|
||
|
|
if not delta:
|
||
|
|
continue
|
||
|
|
setattr(
|
||
|
|
varfont[tableTag],
|
||
|
|
itemName,
|
||
|
|
getattr(varfont[tableTag], itemName) + delta,
|
||
|
|
)
|
||
|
|
|
||
|
|
log.info("Mutating FeatureVariations")
|
||
|
|
for tableTag in "GSUB", "GPOS":
|
||
|
|
if not tableTag in varfont:
|
||
|
|
continue
|
||
|
|
table = varfont[tableTag].table
|
||
|
|
if not getattr(table, "FeatureVariations", None):
|
||
|
|
continue
|
||
|
|
variations = table.FeatureVariations
|
||
|
|
for record in variations.FeatureVariationRecord:
|
||
|
|
applies = True
|
||
|
|
for condition in record.ConditionSet.ConditionTable:
|
||
|
|
if condition.Format == 1:
|
||
|
|
axisIdx = condition.AxisIndex
|
||
|
|
axisTag = fvar.axes[axisIdx].axisTag
|
||
|
|
Min = condition.FilterRangeMinValue
|
||
|
|
Max = condition.FilterRangeMaxValue
|
||
|
|
v = loc[axisTag]
|
||
|
|
if not (Min <= v <= Max):
|
||
|
|
applies = False
|
||
|
|
else:
|
||
|
|
applies = False
|
||
|
|
if not applies:
|
||
|
|
break
|
||
|
|
|
||
|
|
if applies:
|
||
|
|
assert record.FeatureTableSubstitution.Version == 0x00010000
|
||
|
|
for rec in record.FeatureTableSubstitution.SubstitutionRecord:
|
||
|
|
table.FeatureList.FeatureRecord[rec.FeatureIndex].Feature = (
|
||
|
|
rec.Feature
|
||
|
|
)
|
||
|
|
break
|
||
|
|
del table.FeatureVariations
|
||
|
|
|
||
|
|
if "GDEF" in varfont and varfont["GDEF"].table.Version >= 0x00010003:
|
||
|
|
log.info("Mutating GDEF/GPOS/GSUB tables")
|
||
|
|
gdef = varfont["GDEF"].table
|
||
|
|
instancer = VarStoreInstancer(gdef.VarStore, fvar.axes, loc)
|
||
|
|
|
||
|
|
merger = MutatorMerger(varfont, instancer)
|
||
|
|
merger.mergeTables(varfont, [varfont], ["GDEF", "GPOS"])
|
||
|
|
|
||
|
|
# Downgrade GDEF.
|
||
|
|
del gdef.VarStore
|
||
|
|
gdef.Version = 0x00010002
|
||
|
|
if gdef.MarkGlyphSetsDef is None:
|
||
|
|
del gdef.MarkGlyphSetsDef
|
||
|
|
gdef.Version = 0x00010000
|
||
|
|
|
||
|
|
if not (
|
||
|
|
gdef.LigCaretList
|
||
|
|
or gdef.MarkAttachClassDef
|
||
|
|
or gdef.GlyphClassDef
|
||
|
|
or gdef.AttachList
|
||
|
|
or (gdef.Version >= 0x00010002 and gdef.MarkGlyphSetsDef)
|
||
|
|
):
|
||
|
|
del varfont["GDEF"]
|
||
|
|
|
||
|
|
addidef = False
|
||
|
|
if glyf:
|
||
|
|
for glyph in glyf.glyphs.values():
|
||
|
|
if hasattr(glyph, "program"):
|
||
|
|
instructions = glyph.program.getAssembly()
|
||
|
|
# If GETVARIATION opcode is used in bytecode of any glyph add IDEF
|
||
|
|
addidef = any(op.startswith("GETVARIATION") for op in instructions)
|
||
|
|
if addidef:
|
||
|
|
break
|
||
|
|
if overlap:
|
||
|
|
for glyph_name in glyf.keys():
|
||
|
|
glyph = glyf[glyph_name]
|
||
|
|
# Set OVERLAP_COMPOUND bit for compound glyphs
|
||
|
|
if glyph.isComposite():
|
||
|
|
glyph.components[0].flags |= OVERLAP_COMPOUND
|
||
|
|
# Set OVERLAP_SIMPLE bit for simple glyphs
|
||
|
|
elif glyph.numberOfContours > 0:
|
||
|
|
glyph.flags[0] |= flagOverlapSimple
|
||
|
|
if addidef:
|
||
|
|
log.info("Adding IDEF to fpgm table for GETVARIATION opcode")
|
||
|
|
asm = []
|
||
|
|
if "fpgm" in varfont:
|
||
|
|
fpgm = varfont["fpgm"]
|
||
|
|
asm = fpgm.program.getAssembly()
|
||
|
|
else:
|
||
|
|
fpgm = newTable("fpgm")
|
||
|
|
fpgm.program = ttProgram.Program()
|
||
|
|
varfont["fpgm"] = fpgm
|
||
|
|
asm.append("PUSHB[000] 145")
|
||
|
|
asm.append("IDEF[ ]")
|
||
|
|
args = [str(len(loc))]
|
||
|
|
for a in fvar.axes:
|
||
|
|
args.append(str(floatToFixed(loc[a.axisTag], 14)))
|
||
|
|
asm.append("NPUSHW[ ] " + " ".join(args))
|
||
|
|
asm.append("ENDF[ ]")
|
||
|
|
fpgm.program.fromAssembly(asm)
|
||
|
|
|
||
|
|
# Change maxp attributes as IDEF is added
|
||
|
|
if "maxp" in varfont:
|
||
|
|
maxp = varfont["maxp"]
|
||
|
|
setattr(
|
||
|
|
maxp, "maxInstructionDefs", 1 + getattr(maxp, "maxInstructionDefs", 0)
|
||
|
|
)
|
||
|
|
setattr(
|
||
|
|
maxp,
|
||
|
|
"maxStackElements",
|
||
|
|
max(len(loc), getattr(maxp, "maxStackElements", 0)),
|
||
|
|
)
|
||
|
|
|
||
|
|
if "name" in varfont:
|
||
|
|
log.info("Pruning name table")
|
||
|
|
exclude = {a.axisNameID for a in fvar.axes}
|
||
|
|
for i in fvar.instances:
|
||
|
|
exclude.add(i.subfamilyNameID)
|
||
|
|
exclude.add(i.postscriptNameID)
|
||
|
|
if "ltag" in varfont:
|
||
|
|
# Drop the whole 'ltag' table if all its language tags are referenced by
|
||
|
|
# name records to be pruned.
|
||
|
|
# TODO: prune unused ltag tags and re-enumerate langIDs accordingly
|
||
|
|
excludedUnicodeLangIDs = [
|
||
|
|
n.langID
|
||
|
|
for n in varfont["name"].names
|
||
|
|
if n.nameID in exclude and n.platformID == 0 and n.langID != 0xFFFF
|
||
|
|
]
|
||
|
|
if set(excludedUnicodeLangIDs) == set(range(len((varfont["ltag"].tags)))):
|
||
|
|
del varfont["ltag"]
|
||
|
|
varfont["name"].names[:] = [
|
||
|
|
n for n in varfont["name"].names if n.nameID not in exclude
|
||
|
|
]
|
||
|
|
|
||
|
|
if "wght" in location and "OS/2" in varfont:
|
||
|
|
varfont["OS/2"].usWeightClass = otRound(max(1, min(location["wght"], 1000)))
|
||
|
|
if "wdth" in location:
|
||
|
|
wdth = location["wdth"]
|
||
|
|
for percent, widthClass in sorted(OS2_WIDTH_CLASS_VALUES.items()):
|
||
|
|
if wdth < percent:
|
||
|
|
varfont["OS/2"].usWidthClass = widthClass
|
||
|
|
break
|
||
|
|
else:
|
||
|
|
varfont["OS/2"].usWidthClass = 9
|
||
|
|
if "slnt" in location and "post" in varfont:
|
||
|
|
varfont["post"].italicAngle = max(-90, min(location["slnt"], 90))
|
||
|
|
|
||
|
|
log.info("Removing variable tables")
|
||
|
|
for tag in ("avar", "cvar", "fvar", "gvar", "HVAR", "MVAR", "VVAR", "STAT"):
|
||
|
|
if tag in varfont:
|
||
|
|
del varfont[tag]
|
||
|
|
|
||
|
|
return varfont
|
||
|
|
|
||
|
|
|
||
|
|
def main(args=None):
|
||
|
|
"""Instantiate a variation font"""
|
||
|
|
from fontTools import configLogger
|
||
|
|
import argparse
|
||
|
|
|
||
|
|
parser = argparse.ArgumentParser(
|
||
|
|
"fonttools varLib.mutator", description="Instantiate a variable font"
|
||
|
|
)
|
||
|
|
parser.add_argument("input", metavar="INPUT.ttf", help="Input variable TTF file.")
|
||
|
|
parser.add_argument(
|
||
|
|
"locargs",
|
||
|
|
metavar="AXIS=LOC",
|
||
|
|
nargs="*",
|
||
|
|
help="List of space separated locations. A location consist in "
|
||
|
|
"the name of a variation axis, followed by '=' and a number. E.g.: "
|
||
|
|
" wght=700 wdth=80. The default is the location of the base master.",
|
||
|
|
)
|
||
|
|
parser.add_argument(
|
||
|
|
"-o",
|
||
|
|
"--output",
|
||
|
|
metavar="OUTPUT.ttf",
|
||
|
|
default=None,
|
||
|
|
help="Output instance TTF file (default: INPUT-instance.ttf).",
|
||
|
|
)
|
||
|
|
parser.add_argument(
|
||
|
|
"--no-recalc-timestamp",
|
||
|
|
dest="recalc_timestamp",
|
||
|
|
action="store_false",
|
||
|
|
help="Don't set the output font's timestamp to the current time.",
|
||
|
|
)
|
||
|
|
logging_group = parser.add_mutually_exclusive_group(required=False)
|
||
|
|
logging_group.add_argument(
|
||
|
|
"-v", "--verbose", action="store_true", help="Run more verbosely."
|
||
|
|
)
|
||
|
|
logging_group.add_argument(
|
||
|
|
"-q", "--quiet", action="store_true", help="Turn verbosity off."
|
||
|
|
)
|
||
|
|
parser.add_argument(
|
||
|
|
"--no-overlap",
|
||
|
|
dest="overlap",
|
||
|
|
action="store_false",
|
||
|
|
help="Don't set OVERLAP_SIMPLE/OVERLAP_COMPOUND glyf flags.",
|
||
|
|
)
|
||
|
|
options = parser.parse_args(args)
|
||
|
|
|
||
|
|
varfilename = options.input
|
||
|
|
outfile = (
|
||
|
|
os.path.splitext(varfilename)[0] + "-instance.ttf"
|
||
|
|
if not options.output
|
||
|
|
else options.output
|
||
|
|
)
|
||
|
|
configLogger(
|
||
|
|
level=("DEBUG" if options.verbose else "ERROR" if options.quiet else "INFO")
|
||
|
|
)
|
||
|
|
|
||
|
|
loc = {}
|
||
|
|
for arg in options.locargs:
|
||
|
|
try:
|
||
|
|
tag, val = arg.split("=")
|
||
|
|
assert len(tag) <= 4
|
||
|
|
loc[tag.ljust(4)] = float(val)
|
||
|
|
except (ValueError, AssertionError):
|
||
|
|
parser.error("invalid location argument format: %r" % arg)
|
||
|
|
log.info("Location: %s", loc)
|
||
|
|
|
||
|
|
log.info("Loading variable font")
|
||
|
|
varfont = TTFont(varfilename, recalcTimestamp=options.recalc_timestamp)
|
||
|
|
|
||
|
|
instantiateVariableFont(varfont, loc, inplace=True, overlap=options.overlap)
|
||
|
|
|
||
|
|
log.info("Saving instance font %s", outfile)
|
||
|
|
varfont.save(outfile)
|
||
|
|
|
||
|
|
|
||
|
|
if __name__ == "__main__":
|
||
|
|
import sys
|
||
|
|
|
||
|
|
if len(sys.argv) > 1:
|
||
|
|
sys.exit(main())
|
||
|
|
import doctest
|
||
|
|
|
||
|
|
sys.exit(doctest.testmod().failed)
|