def calculate_pathop(pen1, pen2, operation):
if USE_SKIA_PATHOPS:
p1 = Path()
pen1.replay(p1.getPen())
if operation == BooleanOp.Simplify:
# ignore pen2
p1.simplify(fix_winding=True, keep_starting_points=True)
d0 = RecordingPen()
p1.draw(d0)
return d0.value
if pen2:
p2 = Path()
pen2.replay(p2.getPen())
builder = OpBuilder(fix_winding=True, keep_starting_points=True)
builder.add(p1, PathOp.UNION)
if pen2:
builder.add(p2, BooleanOp.Skia(operation))
result = builder.resolve()
d0 = RecordingPen()
result.draw(d0)
return d0.value
else:
bg2 = BooleanGlyph()
if pen2:
pen2.replay(bg2.getPen())
bg = BooleanGlyph()
pen1.replay(bg.getPen())
bg = bg._booleanMath(BooleanOp.BooleanGlyphMethod(operation), bg2)
dp = RecordingPen()
bg.draw(dp)
return dp.value
def ttfGlyphFromSkPath(path: pathops.Path) -> _g_l_y_f.Glyph:
# Skia paths have no 'components', no need for glyphSet
ttPen = TTGlyphPen(glyphSet=None)
path.draw(ttPen)
glyph = ttPen.glyph()
assert not glyph.isComposite()
# compute glyph.xMin (glyfTable parameter unused for non composites)
glyph.recalcBounds(glyfTable=None)
return glyph
def skia_path_to_ttfont_glyph(skia_path: pathops.Path) -> _g_l_y_f.Glyph:
"""
Converts a pathops.Path object to a fontTools.ttLib._g_l_y_f.Glyph
object
"""
tt_pen = TTGlyphPen(glyphSet=None)
skia_path.draw(tt_pen)
glyph = tt_pen.glyph()
glyph.recalcBounds(glyfTable=None)
return glyph
def removeOverlap(self):
from pathops import Path
path = Path()
self.drawToPen(path.getPen())
path.simplify(
fix_winding=True,
keep_starting_points=False,
)
resultPath = BezierPath()
path.draw(resultPath)
self.path = resultPath.path
def test_draw(self):
path = Path()
pen = path.getPen()
pen.moveTo((0, 0))
pen.lineTo((1.0, 2.0))
pen.curveTo((3.5, 4), (5, 6), (7, 8))
pen.qCurveTo((9, 10), (11, 12))
pen.closePath()
path2 = Path()
path.draw(path2.getPen())
assert path == path2
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 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 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
