def setupTable_post(self):
"""
Make the post table.
**This should not be called externally.** Subclasses
may override or supplement this method to handle the
table creation in a different way if desired.
"""
self.otf["post"] = post = newTable("post")
font = self.ufo
post.formatType = 3.0
# italic angle
italicAngle = getAttrWithFallback(font.info, "italicAngle")
post.italicAngle = italicAngle
# underline
underlinePosition = getAttrWithFallback(font.info, "postscriptUnderlinePosition")
if underlinePosition is None:
underlinePosition = 0
post.underlinePosition = _roundInt(underlinePosition)
underlineThickness = getAttrWithFallback(font.info, "postscriptUnderlineThickness")
if underlineThickness is None:
underlineThickness = 0
post.underlineThickness = _roundInt(underlineThickness)
# determine if the font has a fixed width
widths = set([glyph.width for glyph in self.allGlyphs.values()])
post.isFixedPitch = getAttrWithFallback(font.info, "postscriptIsFixedPitch")
# misc
post.minMemType42 = 0
post.maxMemType42 = 0
post.minMemType1 = 0
post.maxMemType1 = 0
def test_caret_slope(self):
info = TestInfoObject()
self.assertEqual(
getAttrWithFallback(info, "openTypeHheaCaretSlopeRise"), 1)
self.assertEqual(
getAttrWithFallback(info, "openTypeHheaCaretSlopeRun"), 0)
info.italicAngle = -12
self.assertEqual(
getAttrWithFallback(info, "openTypeHheaCaretSlopeRise"), 1000)
self.assertEqual(
getAttrWithFallback(info, "openTypeHheaCaretSlopeRun"), 213)
info.italicAngle = 12
self.assertEqual(
getAttrWithFallback(info, "openTypeHheaCaretSlopeRise"), 1000)
self.assertEqual(
getAttrWithFallback(info, "openTypeHheaCaretSlopeRun"), -213)
info.openTypeHheaCaretSlopeRise = 2048
self.assertFalse(hasattr(info, "openTypeHheaCaretSlopeRun"))
self.assertEqual(
getAttrWithFallback(info, "openTypeHheaCaretSlopeRise"), 2048)
self.assertEqual(
getAttrWithFallback(info, "openTypeHheaCaretSlopeRun"), -435)
del info.openTypeHheaCaretSlopeRise
info.openTypeHheaCaretSlopeRun = 200
self.assertFalse(hasattr(info, "openTypeHheaCaretSlopeRise"))
self.assertEqual(
getAttrWithFallback(info, "openTypeHheaCaretSlopeRise"), -941)
self.assertEqual(
getAttrWithFallback(info, "openTypeHheaCaretSlopeRun"), 200)
def setupTable_post(self):
"""
Make the post table.
**This should not be called externally.** Subclasses
may override or supplement this method to handle the
table creation in a different way if desired.
"""
self.otf["post"] = post = newTable("post")
font = self.ufo
post.formatType = 3.0
# italic angle
italicAngle = getAttrWithFallback(font.info, "italicAngle")
post.italicAngle = italicAngle
# underline
underlinePosition = getAttrWithFallback(font.info,
"postscriptUnderlinePosition")
post.underlinePosition = _roundInt(underlinePosition)
underlineThickness = getAttrWithFallback(
font.info, "postscriptUnderlineThickness")
post.underlineThickness = _roundInt(underlineThickness)
# determine if the font has a fixed width
widths = set([glyph.width for glyph in self.allGlyphs.values()])
post.isFixedPitch = getAttrWithFallback(font.info,
"postscriptIsFixedPitch")
# misc
post.minMemType42 = 0
post.maxMemType42 = 0
post.minMemType1 = 0
post.maxMemType1 = 0
def test_empty_info_2048(self, InfoClass):
info = InfoClass()
info.unitsPerEm = 2048
assert getAttrWithFallback(info, "unitsPerEm") == 2048
assert getAttrWithFallback(info, "ascender") == 1638
assert getAttrWithFallback(info, "capHeight") == 1434
assert getAttrWithFallback(info, "xHeight") == 1024
assert getAttrWithFallback(info, "descender") == -410
def test_head_created(self, info):
os.environ["SOURCE_DATE_EPOCH"] = "1514485183"
try:
assert (getAttrWithFallback(
info, "openTypeHeadCreated") == "2017/12/28 18:19:43")
finally:
del os.environ["SOURCE_DATE_EPOCH"]
assert getAttrWithFallback(
info, "openTypeHeadCreated") != "2017/12/28 18:19:43"
def test_head_created(self):
info = TestInfoObject()
os.environ["SOURCE_DATE_EPOCH"] = '1514485183'
try:
self.assertEqual(getAttrWithFallback(info, "openTypeHeadCreated"),
'2017/12/28 18:19:43')
finally:
del os.environ["SOURCE_DATE_EPOCH"]
self.assertNotEqual(getAttrWithFallback(info, "openTypeHeadCreated"),
'2017/12/28 18:19:43')
def get_origin_height(self, font, origin):
if origin is self.Origin.BASELINE:
return 0
elif origin is self.Origin.CAP_HEIGHT:
return getAttrWithFallback(font.info, "capHeight")
elif origin is self.Origin.HALF_CAP_HEIGHT:
return otRound(getAttrWithFallback(font.info, "capHeight") / 2)
elif origin is self.Origin.X_HEIGHT:
return getAttrWithFallback(font.info, "xHeight")
elif origin is self.Origin.HALF_X_HEIGHT:
return otRound(getAttrWithFallback(font.info, "xHeight") / 2)
else:
raise AssertionError(origin)
def test_redundant_metadata(self, info):
assert getAttrWithFallback(info, "openTypeNameVersion") == "Version 0.000"
info.versionMinor = 1
info.versionMajor = 1
assert getAttrWithFallback(info, "openTypeNameVersion") == "Version 1.001"
assert (
getAttrWithFallback(info, "openTypeNameUniqueID")
== "1.001;NONE;FamilyName-StyleName"
)
assert getAttrWithFallback(info, "postscriptSlantAngle") == 0
def test_redundant_metadata(self):
info = TestInfoObject()
self.assertEqual(getAttrWithFallback(info, "openTypeNameVersion"),
"Version 0.000")
info.versionMinor = 1
info.versionMajor = 1
self.assertEqual(getAttrWithFallback(info, "openTypeNameVersion"),
"Version 1.001")
self.assertEqual(getAttrWithFallback(info, "openTypeNameUniqueID"),
"Version 1.001;NONE;Family Name Style Name Regular")
self.assertEqual(getAttrWithFallback(info, "postscriptSlantAngle"), 0)
self.assertEqual(getAttrWithFallback(info, "postscriptWeightName"),
"Normal")
def makeMissingRequiredGlyphs(self):
"""
Add .notdef to the font if it is not present.
**This should not be called externally.** Subclasses
may override this method to handle the glyph creation
in a different way if desired.
"""
glyphs = {}
font = self.ufo
unitsPerEm = _roundInt(getAttrWithFallback(font.info, "unitsPerEm"))
ascender = _roundInt(getAttrWithFallback(font.info, "ascender"))
descender = _roundInt(getAttrWithFallback(font.info, "descender"))
defaultWidth = _roundInt(unitsPerEm * 0.5)
if ".notdef" not in self.ufo:
glyphs[".notdef"] = StubGlyph(name=".notdef", width=defaultWidth, unitsPerEm=unitsPerEm, ascender=ascender, descender=descender)
return glyphs
def test_with_blue_zones(self):
info = TestInfoObject()
info.postscriptBlueValues = [
-13, 0, 470, 483, 534, 547, 556, 569, 654, 667, 677, 690, 738, 758
]
info.postscriptOtherBlues = [-255, -245]
postscriptBlueScale = getAttrWithFallback(info, "postscriptBlueScale")
self.assertEqual(postscriptBlueScale, 0.0375)
def makeMissingRequiredGlyphs(self):
"""
Add .notdef to the font if it is not present.
**This should not be called externally.** Subclasses
may override this method to handle the glyph creation
in a different way if desired.
"""
glyphs = {}
font = self.ufo
unitsPerEm = _roundInt(getAttrWithFallback(font.info, "unitsPerEm"))
ascender = _roundInt(getAttrWithFallback(font.info, "ascender"))
descender = _roundInt(getAttrWithFallback(font.info, "descender"))
defaultWidth = _roundInt(unitsPerEm * 0.5)
if ".notdef" not in self.ufo:
glyphs[".notdef"] = StubGlyph(name=".notdef", width=defaultWidth, unitsPerEm=unitsPerEm, ascender=ascender, descender=descender)
return glyphs
def set_context(self, font, glyphSet):
ctx = super(CubicToQuadraticFilter, self).set_context(font, glyphSet)
relativeError = self.options.conversionError or DEFAULT_MAX_ERR
ctx.absoluteError = relativeError * getAttrWithFallback(
font.info, "unitsPerEm")
ctx.stats = {}
return ctx
def setupTable_head(self):
"""
Make the head table.
**This should not be called externally.** Subclasses
may override or supplement this method to handle the
table creation in a different way if desired.
"""
self.otf["head"] = head = newTable("head")
font = self.ufo
head.checkSumAdjustment = 0
head.tableVersion = 1.0
head.magicNumber = 0x5F0F3CF5
# version numbers
# limit minor version to 3 digits as recommended in OpenType spec:
# https://www.microsoft.com/typography/otspec/recom.htm
versionMajor = getAttrWithFallback(font.info, "versionMajor")
versionMinor = getAttrWithFallback(font.info, "versionMinor")
fullFontRevision = float("%d.%03d" % (versionMajor, versionMinor))
head.fontRevision = round(fullFontRevision, 3)
if head.fontRevision != fullFontRevision:
print("Minor version in %s has too many digits and won't fit into "
"the head table's fontRevision field; rounded to %s." %
(fullFontRevision, head.fontRevision))
# upm
head.unitsPerEm = getAttrWithFallback(font.info, "unitsPerEm")
# times
head.created = dateStringToTimeValue(getAttrWithFallback(font.info, "openTypeHeadCreated")) - mac_epoch_diff
head.modified = dateStringToTimeValue(dateStringForNow()) - mac_epoch_diff
# bounding box
xMin, yMin, xMax, yMax = self.fontBoundingBox
head.xMin = xMin
head.yMin = yMin
head.xMax = xMax
head.yMax = yMax
# style mapping
styleMapStyleName = getAttrWithFallback(font.info, "styleMapStyleName")
macStyle = []
if styleMapStyleName == "bold":
macStyle = [0]
elif styleMapStyleName == "bold italic":
macStyle = [0, 1]
elif styleMapStyleName == "italic":
macStyle = [1]
head.macStyle = intListToNum(macStyle, 0, 16)
# misc
head.flags = intListToNum(getAttrWithFallback(font.info, "openTypeHeadFlags"), 0, 16)
head.lowestRecPPEM = _roundInt(getAttrWithFallback(font.info, "openTypeHeadLowestRecPPEM"))
head.fontDirectionHint = 2
head.indexToLocFormat = 0
head.glyphDataFormat = 0
def setupTable_head(self):
"""
Make the head table.
**This should not be called externally.** Subclasses
may override or supplement this method to handle the
table creation in a different way if desired.
"""
self.otf["head"] = head = newTable("head")
font = self.ufo
head.checkSumAdjustment = 0
head.tableVersion = 1.0
head.magicNumber = 0x5F0F3CF5
# version numbers
# limit minor version to 3 digits as recommended in OpenType spec:
# https://www.microsoft.com/typography/otspec/recom.htm
versionMajor = getAttrWithFallback(font.info, "versionMajor")
versionMinor = getAttrWithFallback(font.info, "versionMinor")
fullFontRevision = float("%d.%03d" % (versionMajor, versionMinor))
head.fontRevision = round(fullFontRevision, 3)
if head.fontRevision != fullFontRevision:
print("Minor version in %s has too many digits and won't fit into "
"the head table's fontRevision field; rounded to %s." %
(fullFontRevision, head.fontRevision))
# upm
head.unitsPerEm = getAttrWithFallback(font.info, "unitsPerEm")
# times
head.created = dateStringToTimeValue(getAttrWithFallback(font.info, "openTypeHeadCreated")) - mac_epoch_diff
head.modified = dateStringToTimeValue(dateStringForNow()) - mac_epoch_diff
# bounding box
xMin, yMin, xMax, yMax = self.fontBoundingBox
head.xMin = xMin
head.yMin = yMin
head.xMax = xMax
head.yMax = yMax
# style mapping
styleMapStyleName = getAttrWithFallback(font.info, "styleMapStyleName")
macStyle = []
if styleMapStyleName == "bold":
macStyle = [0]
elif styleMapStyleName == "bold italic":
macStyle = [0, 1]
elif styleMapStyleName == "italic":
macStyle = [1]
head.macStyle = intListToNum(macStyle, 0, 16)
# misc
head.flags = intListToNum(getAttrWithFallback(font.info, "openTypeHeadFlags"), 0, 16)
head.lowestRecPPEM = _roundInt(getAttrWithFallback(font.info, "openTypeHeadLowestRecPPEM"))
head.fontDirectionHint = 2
head.indexToLocFormat = 0
head.glyphDataFormat = 0
def test_empty_info(self, InfoClass):
info = InfoClass()
assert getAttrWithFallback(info, "familyName") == "New Font"
assert getAttrWithFallback(info, "styleName") == "Regular"
assert getAttrWithFallback(info, "unitsPerEm") == 1000
assert getAttrWithFallback(info, "ascender") == 800
assert getAttrWithFallback(info, "capHeight") == 700
assert getAttrWithFallback(info, "xHeight") == 500
assert getAttrWithFallback(info, "descender") == -200
def makeMissingRequiredGlyphs(font, glyphSet):
"""
Add .notdef to the glyph set if it is not present.
**This should not be called externally.** Subclasses
may override this method to handle the glyph creation
in a different way if desired.
"""
if ".notdef" in glyphSet:
return
unitsPerEm = round(getAttrWithFallback(font.info, "unitsPerEm"))
ascender = round(getAttrWithFallback(font.info, "ascender"))
descender = round(getAttrWithFallback(font.info, "descender"))
defaultWidth = round(unitsPerEm * 0.5)
glyphSet[".notdef"] = StubGlyph(name=".notdef",
width=defaultWidth,
unitsPerEm=unitsPerEm,
ascender=ascender,
descender=descender)
def test_redundant_metadata(self):
info = TestInfoObject()
self.assertEqual(
getAttrWithFallback(info, "openTypeNameVersion"),
"Version 0.000")
info.versionMinor = 1
info.versionMajor = 1
self.assertEqual(
getAttrWithFallback(info, "openTypeNameVersion"),
"Version 1.001")
self.assertEqual(
getAttrWithFallback(info, "openTypeNameUniqueID"),
"Version 1.001;NONE;Family Name Style Name Regular")
self.assertEqual(getAttrWithFallback(info, "postscriptSlantAngle"), 0)
self.assertEqual(
getAttrWithFallback(info, "postscriptWeightName"),
"Normal")
def test_caret_slope(self, info):
assert getAttrWithFallback(info, "openTypeHheaCaretSlopeRise") == 1
assert getAttrWithFallback(info, "openTypeHheaCaretSlopeRun") == 0
info.italicAngle = -12
assert getAttrWithFallback(info, "openTypeHheaCaretSlopeRise") == 1000
assert getAttrWithFallback(info, "openTypeHheaCaretSlopeRun") == 213
info.italicAngle = 12
assert getAttrWithFallback(info, "openTypeHheaCaretSlopeRise") == 1000
assert getAttrWithFallback(info, "openTypeHheaCaretSlopeRun") == -213
info.openTypeHheaCaretSlopeRise = 2048
assert info.openTypeHheaCaretSlopeRun is None
assert getAttrWithFallback(info, "openTypeHheaCaretSlopeRise") == 2048
assert getAttrWithFallback(info, "openTypeHheaCaretSlopeRun") == -435
info.openTypeHheaCaretSlopeRise = None
info.openTypeHheaCaretSlopeRun = 200
assert info.openTypeHheaCaretSlopeRise is None
assert getAttrWithFallback(info, "openTypeHheaCaretSlopeRise") == -941
assert getAttrWithFallback(info, "openTypeHheaCaretSlopeRun") == 200
def test_vertical_metrics(self, info):
assert getAttrWithFallback(info, "openTypeHheaAscender") == 950
assert getAttrWithFallback(info, "openTypeHheaDescender") == -250
assert getAttrWithFallback(info, "openTypeOS2TypoAscender") == 650
assert getAttrWithFallback(info, "openTypeOS2TypoDescender") == -250
assert getAttrWithFallback(info, "openTypeOS2WinAscent") == 950
assert getAttrWithFallback(info, "openTypeOS2WinDescent") == 250
def setupTable_hhea(self):
"""
Make the hhea table.
**This should not be called externally.** Subclasses
may override or supplement this method to handle the
table creation in a different way if desired.
"""
self.otf["hhea"] = hhea = newTable("hhea")
font = self.ufo
hhea.tableVersion = 0x00010000
# vertical metrics
hhea.ascent = _roundInt(getAttrWithFallback(font.info, "openTypeHheaAscender"))
hhea.descent = _roundInt(getAttrWithFallback(font.info, "openTypeHheaDescender"))
hhea.lineGap = _roundInt(getAttrWithFallback(font.info, "openTypeHheaLineGap"))
# horizontal metrics
widths = []
lefts = []
rights = []
extents = []
for glyph in self.allGlyphs.values():
left = glyph.leftMargin
right = glyph.rightMargin
if left is None:
left = 0
if right is None:
right = 0
widths.append(glyph.width)
lefts.append(left)
rights.append(right)
# robofab
if hasattr(glyph, "box"):
bounds = glyph.box
# others
else:
bounds = glyph.bounds
if bounds is not None:
xMin, yMin, xMax, yMax = bounds
else:
xMin = 0
xMax = 0
extent = left + (xMax - xMin) # equation from spec for calculating xMaxExtent: Max(lsb + (xMax - xMin))
extents.append(extent)
hhea.advanceWidthMax = _roundInt(max(widths))
hhea.minLeftSideBearing = _roundInt(min(lefts))
hhea.minRightSideBearing = _roundInt(min(rights))
hhea.xMaxExtent = _roundInt(max(extents))
# misc
hhea.caretSlopeRise = getAttrWithFallback(font.info, "openTypeHheaCaretSlopeRise")
hhea.caretSlopeRun = getAttrWithFallback(font.info, "openTypeHheaCaretSlopeRun")
hhea.caretOffset = _roundInt(getAttrWithFallback(font.info, "openTypeHheaCaretOffset"))
hhea.reserved0 = 0
hhea.reserved1 = 0
hhea.reserved2 = 0
hhea.reserved3 = 0
hhea.metricDataFormat = 0
# glyph count
hhea.numberOfHMetrics = len(self.allGlyphs)
def setupTable_hhea(self):
"""
Make the hhea table.
**This should not be called externally.** Subclasses
may override or supplement this method to handle the
table creation in a different way if desired.
"""
self.otf["hhea"] = hhea = newTable("hhea")
font = self.ufo
hhea.tableVersion = 1.0
# vertical metrics
hhea.ascent = _roundInt(getAttrWithFallback(font.info, "openTypeHheaAscender"))
hhea.descent = _roundInt(getAttrWithFallback(font.info, "openTypeHheaDescender"))
hhea.lineGap = _roundInt(getAttrWithFallback(font.info, "openTypeHheaLineGap"))
# horizontal metrics
widths = []
lefts = []
rights = []
extents = []
for glyph in self.allGlyphs.values():
left = glyph.leftMargin
right = glyph.rightMargin
if left is None:
left = 0
if right is None:
right = 0
widths.append(glyph.width)
lefts.append(left)
rights.append(right)
# robofab
if hasattr(glyph, "box"):
bounds = glyph.box
# others
else:
bounds = glyph.bounds
if bounds is not None:
xMin, yMin, xMax, yMax = bounds
else:
xMin = 0
xMax = 0
extent = left + (xMax - xMin) # equation from spec for calculating xMaxExtent: Max(lsb + (xMax - xMin))
extents.append(extent)
hhea.advanceWidthMax = _roundInt(max(widths))
hhea.minLeftSideBearing = _roundInt(min(lefts))
hhea.minRightSideBearing = _roundInt(min(rights))
hhea.xMaxExtent = _roundInt(max(extents))
# misc
hhea.caretSlopeRise = getAttrWithFallback(font.info, "openTypeHheaCaretSlopeRise")
hhea.caretSlopeRun = getAttrWithFallback(font.info, "openTypeHheaCaretSlopeRun")
hhea.caretOffset = _roundInt(getAttrWithFallback(font.info, "openTypeHheaCaretOffset"))
hhea.reserved0 = 0
hhea.reserved1 = 0
hhea.reserved2 = 0
hhea.reserved3 = 0
hhea.metricDataFormat = 0
# glyph count
hhea.numberOfHMetrics = len(self.allGlyphs)
def __init__(self,
font,
glyphOrder=None,
convertCubics=True,
cubicConversionError=None):
super(OutlineTTFCompiler, self).__init__(font, glyphOrder)
if convertCubics:
unitsPerEm = getAttrWithFallback(font.info, "unitsPerEm")
if cubicConversionError is None:
from cu2qu.ufo import DEFAULT_MAX_ERR
cubicConversionError = DEFAULT_MAX_ERR
cubicConversionError *= unitsPerEm
self.convertCubics = convertCubics
self.cubicConversionError = cubicConversionError
def __init__(
self,
ufos,
inplace=False,
flattenComponents=False,
conversionError=None,
reverseDirection=True,
rememberCurveType=True,
layerNames=None,
skipExportGlyphs=None,
filters=None,
):
from cu2qu.ufo import DEFAULT_MAX_ERR
self.ufos = ufos
self.inplace = inplace
self.flattenComponents = flattenComponents
if layerNames is None:
layerNames = [None] * len(ufos)
assert len(ufos) == len(layerNames)
self.layerNames = layerNames
self.glyphSets = [
_GlyphSet.from_layer(
ufo, layerName, copy=not inplace, skipExportGlyphs=skipExportGlyphs
)
for ufo, layerName in zip(ufos, layerNames)
]
self._conversionErrors = [
(conversionError or DEFAULT_MAX_ERR)
* getAttrWithFallback(ufo.info, "unitsPerEm")
for ufo in ufos
]
self._reverseDirection = reverseDirection
self._rememberCurveType = rememberCurveType
self.preFilters, self.postFilters = [], []
if filters is None:
for ufo in ufos:
pre, post = loadFilters(ufo)
self.preFilters.append(pre)
self.postFilters.append(post)
else:
pre = [f for f in filters if f.pre]
post = [f for f in filters if not f.pre]
for _ in ufos:
self.preFilters.append(pre)
self.postFilters.append(post)
def setupTable_vhea(self):
"""
Make the vhea table.
**This should not be called externally.** Subclasses
may override or supplement this method to handle the
table creation in a different way if desired.
"""
self.otf["vhea"] = vhea = newTable("vhea")
font = self.ufo
head = self.otf["head"]
# vhea.tableVersion = 0x00011000
# see https://github.com/behdad/fonttools/issues/540
vhea.tableVersion = 1.0625
# horizontal metrics
vhea.ascent = _roundInt(
getAttrWithFallback(font.info, "openTypeVheaVertTypoAscender"))
vhea.descent = _roundInt(
getAttrWithFallback(font.info, "openTypeVheaVertTypoDescender"))
vhea.lineGap = _roundInt(
getAttrWithFallback(font.info, "openTypeVheaVertTypoLineGap"))
# vertical metrics
heights = []
tops = []
bottoms = []
for glyph in self.allGlyphs.values():
top = glyph.topMargin
bottom = glyph.rightMargin
if top is None:
top = 0
if bottom is None:
bottom = 0
heights.append(glyph.height)
tops.append(top)
bottoms.append(bottom)
vhea.advanceHeightMax = _roundInt(max(heights))
vhea.minTopSideBearing = _roundInt(max(tops))
vhea.minBottomSideBearing = _roundInt(max(bottoms))
vhea.yMaxExtent = _roundInt(vhea.minTopSideBearing -
(head.yMax - head.yMin))
# misc
vhea.caretSlopeRise = getAttrWithFallback(
font.info, "openTypeVheaCaretSlopeRise")
vhea.caretSlopeRun = getAttrWithFallback(font.info,
"openTypeVheaCaretSlopeRun")
vhea.caretOffset = getAttrWithFallback(font.info,
"openTypeVheaCaretOffset")
vhea.reserved0 = 0
vhea.reserved1 = 0
vhea.reserved2 = 0
vhea.reserved3 = 0
vhea.reserved4 = 0
vhea.metricDataFormat = 0
# glyph count
vhea.numberOfVMetrics = len(self.allGlyphs)
def setupTable_hhea(self):
"""
Make the hhea table. This assumes that the hmtx table was made first.
**This should not be called externally.** Subclasses
may override or supplement this method to handle the
table creation in a different way if desired.
"""
self.otf["hhea"] = hhea = newTable("hhea")
hmtx = self.otf["hmtx"]
font = self.ufo
hhea.tableVersion = 0x00010000
# vertical metrics
hhea.ascent = round(
getAttrWithFallback(font.info, "openTypeHheaAscender"))
hhea.descent = round(
getAttrWithFallback(font.info, "openTypeHheaDescender"))
hhea.lineGap = round(
getAttrWithFallback(font.info, "openTypeHheaLineGap"))
# horizontal metrics
widths = []
lefts = []
rights = []
extents = []
for glyphName in self.allGlyphs:
width, left = hmtx[glyphName]
widths.append(width)
bounds = self.glyphBoundingBoxes[glyphName]
if bounds is None:
continue
right = width - left - (bounds.xMax - bounds.xMin)
lefts.append(left)
rights.append(right)
# equation from the hhea spec for calculating xMaxExtent:
# Max(lsb + (xMax - xMin))
extent = left + (bounds.xMax - bounds.xMin)
extents.append(extent)
hhea.advanceWidthMax = max(widths)
hhea.minLeftSideBearing = min(lefts)
hhea.minRightSideBearing = min(rights)
hhea.xMaxExtent = max(extents)
# misc
hhea.caretSlopeRise = getAttrWithFallback(
font.info, "openTypeHheaCaretSlopeRise")
hhea.caretSlopeRun = getAttrWithFallback(font.info,
"openTypeHheaCaretSlopeRun")
hhea.caretOffset = round(
getAttrWithFallback(font.info, "openTypeHheaCaretOffset"))
hhea.reserved0 = 0
hhea.reserved1 = 0
hhea.reserved2 = 0
hhea.reserved3 = 0
hhea.metricDataFormat = 0
# glyph count
hhea.numberOfHMetrics = len(self.allGlyphs)
def setupTable_vhea(self):
"""
Make the vhea table. This assumes that the head and vmtx tables were
made first.
**This should not be called externally.** Subclasses
may override or supplement this method to handle the
table creation in a different way if desired.
"""
self.otf["vhea"] = vhea = newTable("vhea")
font = self.ufo
head = self.otf["head"]
vmtx = self.otf["vmtx"]
vhea.tableVersion = 0x00011000
# horizontal metrics
vhea.ascent = round(
getAttrWithFallback(font.info, "openTypeVheaVertTypoAscender"))
vhea.descent = round(
getAttrWithFallback(font.info, "openTypeVheaVertTypoDescender"))
vhea.lineGap = round(
getAttrWithFallback(font.info, "openTypeVheaVertTypoLineGap"))
# vertical metrics
heights = []
tops = []
bottoms = []
for glyphName in self.allGlyphs:
height, top = vmtx[glyphName]
heights.append(height)
bounds = self.glyphBoundingBoxes[glyphName]
if bounds is None:
continue
bottom = height - top - (bounds.yMax - bounds.yMin)
tops.append(top)
bottoms.append(bottom)
vhea.advanceHeightMax = max(heights)
vhea.minTopSideBearing = max(tops)
vhea.minBottomSideBearing = max(bottoms)
vhea.yMaxExtent = vhea.minTopSideBearing - (head.yMax - head.yMin)
# misc
vhea.caretSlopeRise = getAttrWithFallback(
font.info, "openTypeVheaCaretSlopeRise")
vhea.caretSlopeRun = getAttrWithFallback(font.info,
"openTypeVheaCaretSlopeRun")
vhea.caretOffset = getAttrWithFallback(font.info,
"openTypeVheaCaretOffset")
vhea.reserved0 = 0
vhea.reserved1 = 0
vhea.reserved2 = 0
vhea.reserved3 = 0
vhea.reserved4 = 0
vhea.metricDataFormat = 0
# glyph count
vhea.numberOfVMetrics = len(self.allGlyphs)
def getCharStringForGlyph(self, glyph, private, globalSubrs):
"""
Get a Type2CharString for the *glyph*
**This should not be called externally.** Subclasses
may override this method to handle the charstring creation
in a different way if desired.
"""
width = glyph.width
# subtract the nominal width
postscriptNominalWidthX = getAttrWithFallback(self.ufo.info, "postscriptNominalWidthX")
if postscriptNominalWidthX:
width = width - postscriptNominalWidthX
# round
width = _roundInt(width)
pen = T2CharStringPen(width, self.allGlyphs)
glyph.draw(pen)
charString = pen.getCharString(private, globalSubrs)
return charString
def getCharStringForGlyph(self, glyph, private, globalSubrs):
"""
Get a Type2CharString for the *glyph*
**This should not be called externally.** Subclasses
may override this method to handle the charstring creation
in a different way if desired.
"""
width = glyph.width
# subtract the nominal width
postscriptNominalWidthX = getAttrWithFallback(self.ufo.info, "postscriptNominalWidthX")
if postscriptNominalWidthX:
width = width - postscriptNominalWidthX
# round
width = _roundInt(width)
pen = T2CharStringPen(width, self.allGlyphs)
glyph.draw(pen)
charString = pen.getCharString(private, globalSubrs)
return charString
def test_with_blue_zones(self, info):
info.postscriptBlueValues = [
-13,
0,
470,
483,
534,
547,
556,
569,
654,
667,
677,
690,
738,
758,
]
info.postscriptOtherBlues = [-255, -245]
postscriptBlueScale = getAttrWithFallback(info, "postscriptBlueScale")
assert postscriptBlueScale == 0.0375
def setupTable_vhea(self):
"""
Make the vhea table.
**This should not be called externally.** Subclasses
may override or supplement this method to handle the
table creation in a different way if desired.
"""
self.otf["vhea"] = vhea = newTable("vhea")
font = self.ufo
head = self.otf["head"]
# vhea.tableVersion = 0x00011000
# see https://github.com/behdad/fonttools/issues/540
vhea.tableVersion = 1.0625
# horizontal metrics
vhea.ascent = _roundInt(getAttrWithFallback(font.info, "openTypeVheaVertTypoAscender"))
vhea.descent = _roundInt(getAttrWithFallback(font.info, "openTypeVheaVertTypoDescender"))
vhea.lineGap = _roundInt(getAttrWithFallback(font.info, "openTypeVheaVertTypoLineGap"))
# vertical metrics
heights = []
tops = []
bottoms = []
for glyph in self.allGlyphs.values():
top = glyph.topMargin
bottom = glyph.rightMargin
if top is None:
top = 0
if bottom is None:
bottom = 0
heights.append(glyph.height)
tops.append(top)
bottoms.append(bottom)
vhea.advanceHeightMax = _roundInt(max(heights))
vhea.minTopSideBearing = _roundInt(max(tops))
vhea.minBottomSideBearing = _roundInt(max(bottoms))
vhea.yMaxExtent = _roundInt(vhea.minTopSideBearing - (head.yMax - head.yMin))
# misc
vhea.caretSlopeRise = getAttrWithFallback(font.info, "openTypeVheaCaretSlopeRise")
vhea.caretSlopeRun = getAttrWithFallback(font.info, "openTypeVheaCaretSlopeRun")
vhea.caretOffset = getAttrWithFallback(font.info, "openTypeVheaCaretOffset")
vhea.reserved0 = 0
vhea.reserved1 = 0
vhea.reserved2 = 0
vhea.reserved3 = 0
vhea.reserved4 = 0
vhea.metricDataFormat = 0
# glyph count
vhea.numberOfVMetrics = len(self.allGlyphs)
def test_vertical_metrics(self):
info = TestInfoObject()
self.assertEqual(
getAttrWithFallback(info, "openTypeHheaAscender"), 950)
self.assertEqual(
getAttrWithFallback(info, "openTypeHheaDescender"), -250)
self.assertEqual(
getAttrWithFallback(info, "openTypeOS2TypoAscender"), 950)
self.assertEqual(
getAttrWithFallback(info, "openTypeOS2TypoDescender"), -250)
self.assertEqual(
getAttrWithFallback(info, "openTypeOS2WinAscent"), 950)
self.assertEqual(
getAttrWithFallback(info, "openTypeOS2WinDescent"), 250)
def test_vertical_metrics(self):
info = TestInfoObject()
self.assertEqual(getAttrWithFallback(info, "openTypeHheaAscender"),
950)
self.assertEqual(getAttrWithFallback(info, "openTypeHheaDescender"),
-250)
self.assertEqual(getAttrWithFallback(info, "openTypeOS2TypoAscender"),
650)
self.assertEqual(getAttrWithFallback(info, "openTypeOS2TypoDescender"),
-250)
self.assertEqual(getAttrWithFallback(info, "openTypeOS2WinAscent"),
950)
self.assertEqual(getAttrWithFallback(info, "openTypeOS2WinDescent"),
250)
def test_family_and_style_names(self):
info = TestInfoObject()
self.assertEqual(getAttrWithFallback(info, "familyName"),
"Family Name")
self.assertEqual(getAttrWithFallback(info, "styleName"), "Style Name")
self.assertEqual(getAttrWithFallback(info, "styleMapFamilyName"),
"Family Name Style Name")
info.styleMapFamilyName = "Style Map Family Name"
self.assertEqual(getAttrWithFallback(info, "styleMapFamilyName"),
"Style Map Family Name")
self.assertEqual(
getAttrWithFallback(info, "openTypeNamePreferredFamilyName"),
"Family Name")
self.assertEqual(
getAttrWithFallback(info, "openTypeNamePreferredSubfamilyName"),
"Style Name")
self.assertEqual(
getAttrWithFallback(info, "openTypeNameCompatibleFullName"),
"Style Map Family Name")
def test_family_and_style_names(self):
info = TestInfoObject()
self.assertEqual(getAttrWithFallback(info, "familyName"), "Family Name")
self.assertEqual(getAttrWithFallback(info, "styleName"), "Style Name")
self.assertEqual(
getAttrWithFallback(info, "styleMapFamilyName"),
"Family Name Style Name")
info.styleMapFamilyName = "Style Map Family Name"
self.assertEqual(
getAttrWithFallback(info, "styleMapFamilyName"),
"Style Map Family Name")
self.assertEqual(
getAttrWithFallback(info, "openTypeNamePreferredFamilyName"),
"Family Name")
self.assertEqual(
getAttrWithFallback(info, "openTypeNamePreferredSubfamilyName"),
"Style Name")
self.assertEqual(
getAttrWithFallback(info, "openTypeNameCompatibleFullName"),
"Style Map Family Name")
def setupTable_name(self):
"""
Make the name table.
**This should not be called externally.** Subclasses
may override or supplement this method to handle the
table creation in a different way if desired.
"""
font = self.ufo
familyName = getAttrWithFallback(font.info, "styleMapFamilyName")
styleName = getAttrWithFallback(font.info, "styleMapStyleName").title()
# If name ID 2 is "Regular", it can be omitted from name ID 4
fullName = familyName
if styleName != "Regular":
fullName += " %s" % styleName
nameVals = {
"0": getAttrWithFallback(font.info, "copyright"),
"1": familyName,
"2": styleName,
"3": getAttrWithFallback(font.info, "openTypeNameUniqueID"),
"4": fullName,
"5": getAttrWithFallback(font.info, "openTypeNameVersion"),
"6": getAttrWithFallback(font.info, "postscriptFontName"),
"7": getAttrWithFallback(font.info, "trademark"),
"8": getAttrWithFallback(font.info, "openTypeNameManufacturer"),
"9": getAttrWithFallback(font.info, "openTypeNameDesigner"),
"10": getAttrWithFallback(font.info, "openTypeNameDescription"),
"11": getAttrWithFallback(font.info,
"openTypeNameManufacturerURL"),
"12": getAttrWithFallback(font.info, "openTypeNameDesignerURL"),
"13": getAttrWithFallback(font.info, "openTypeNameLicense"),
"14": getAttrWithFallback(font.info, "openTypeNameLicenseURL")
}
# don't add typographic names if they are the same as the legacy ones
typographicFamilyName = getAttrWithFallback(
font.info, "openTypeNamePreferredFamilyName")
typographicSubfamilyName = getAttrWithFallback(
font.info, "openTypeNamePreferredSubfamilyName")
if nameVals["1"] != typographicFamilyName:
nameVals["16"] = typographicFamilyName
if nameVals["2"] != typographicSubfamilyName:
nameVals["17"] = typographicSubfamilyName
self.otf["name"] = name = newTable("name")
name.names = []
for nameId in sorted(nameVals.keys()):
nameVal = nameVals[nameId]
if not nameVal:
continue
nameIdVal = int(nameId)
if nameIdVal == 6:
# postscript font name
nameVal = normalizeStringForPostscript(nameVal)
rec = NameRecord()
rec.platformID = 3
rec.platEncID = 10 if _isNonBMP(nameVal) else 1
rec.langID = 0x409
rec.nameID = nameIdVal
rec.string = nameVal.encode(rec.getEncoding())
name.names.append(rec)
def setupTable_name(self):
"""
Make the name table.
**This should not be called externally.** Subclasses
may override or supplement this method to handle the
table creation in a different way if desired.
"""
font = self.ufo
familyName = getAttrWithFallback(font.info, "styleMapFamilyName")
styleName = getAttrWithFallback(font.info, "styleMapStyleName").title()
# If name ID 2 is "Regular", it can be omitted from name ID 4
fullName = familyName
if styleName != "Regular":
fullName += " %s" % styleName
nameVals = {
"0": getAttrWithFallback(font.info, "copyright"),
"1": familyName,
"2": styleName,
"3": getAttrWithFallback(font.info, "openTypeNameUniqueID"),
"4": fullName,
"5": getAttrWithFallback(font.info, "openTypeNameVersion"),
"6": getAttrWithFallback(font.info, "postscriptFontName"),
"7": getAttrWithFallback(font.info, "trademark"),
"8": getAttrWithFallback(font.info, "openTypeNameManufacturer"),
"9": getAttrWithFallback(font.info, "openTypeNameDesigner"),
"11": getAttrWithFallback(font.info, "openTypeNameManufacturerURL"),
"12": getAttrWithFallback(font.info, "openTypeNameDesignerURL"),
"13": getAttrWithFallback(font.info, "openTypeNameLicense"),
"14": getAttrWithFallback(font.info, "openTypeNameLicenseURL")}
# don't add typographic names if they are the same as the legacy ones
typographicFamilyName = getAttrWithFallback(font.info,
"openTypeNamePreferredFamilyName")
typographicSubfamilyName = getAttrWithFallback(font.info,
"openTypeNamePreferredSubfamilyName")
if nameVals["1"] != typographicFamilyName:
nameVals["16"] = typographicFamilyName
if nameVals["2"] != typographicSubfamilyName:
nameVals["17"] = typographicSubfamilyName
self.otf["name"] = name = newTable("name")
name.names = []
for nameId in sorted(nameVals.keys()):
nameVal = nameVals[nameId]
if not nameVal:
continue
nameIdVal = int(nameId)
if nameIdVal == 6:
# postscript font name
nameVal = normalizeStringForPostscript(nameVal)
rec = NameRecord()
rec.platformID = 3
rec.platEncID = 10 if _isNonBMP(nameVal) else 1
rec.langID = 0x409
rec.nameID = nameIdVal
rec.string = nameVal.encode(rec.getEncoding())
name.names.append(rec)
def test_without_blue_zones(self):
info = TestInfoObject()
postscriptBlueScale = getAttrWithFallback(info, "postscriptBlueScale")
self.assertEqual(postscriptBlueScale, 0.039625)
def setupTable_OS2(self):
"""
Make the OS/2 table.
**This should not be called externally.** Subclasses
may override or supplement this method to handle the
table creation in a different way if desired.
"""
self.otf["OS/2"] = os2 = newTable("OS/2")
font = self.ufo
os2.version = 0x0004
# average glyph width
widths = [glyph.width for glyph in self.allGlyphs.values() if glyph.width > 0]
os2.xAvgCharWidth = _roundInt(sum(widths) / len(widths))
# weight and width classes
os2.usWeightClass = getAttrWithFallback(font.info, "openTypeOS2WeightClass")
os2.usWidthClass = getAttrWithFallback(font.info, "openTypeOS2WidthClass")
# embedding
os2.fsType = intListToNum(getAttrWithFallback(font.info, "openTypeOS2Type"), 0, 16)
# subscript
v = getAttrWithFallback(font.info, "openTypeOS2SubscriptXSize")
if v is None:
v = 0
os2.ySubscriptXSize = _roundInt(v)
v = getAttrWithFallback(font.info, "openTypeOS2SubscriptYSize")
if v is None:
v = 0
os2.ySubscriptYSize = _roundInt(v)
v = getAttrWithFallback(font.info, "openTypeOS2SubscriptXOffset")
if v is None:
v = 0
os2.ySubscriptXOffset = _roundInt(v)
v = getAttrWithFallback(font.info, "openTypeOS2SubscriptYOffset")
if v is None:
v = 0
os2.ySubscriptYOffset = _roundInt(v)
# superscript
v = getAttrWithFallback(font.info, "openTypeOS2SuperscriptXSize")
if v is None:
v = 0
os2.ySuperscriptXSize = _roundInt(v)
v = getAttrWithFallback(font.info, "openTypeOS2SuperscriptYSize")
if v is None:
v = 0
os2.ySuperscriptYSize = _roundInt(v)
v = getAttrWithFallback(font.info, "openTypeOS2SuperscriptXOffset")
if v is None:
v = 0
os2.ySuperscriptXOffset = _roundInt(v)
v = getAttrWithFallback(font.info, "openTypeOS2SuperscriptYOffset")
if v is None:
v = 0
os2.ySuperscriptYOffset = _roundInt(v)
# strikeout
v = getAttrWithFallback(font.info, "openTypeOS2StrikeoutSize")
if v is None:
v = 0
os2.yStrikeoutSize = _roundInt(v)
v = getAttrWithFallback(font.info, "openTypeOS2StrikeoutPosition")
if v is None:
v = 0
os2.yStrikeoutPosition = _roundInt(v)
# family class
ibmFontClass, ibmFontSubclass = getAttrWithFallback(
font.info, "openTypeOS2FamilyClass")
os2.sFamilyClass = (ibmFontClass << 8) + ibmFontSubclass
# panose
data = getAttrWithFallback(font.info, "openTypeOS2Panose")
panose = Panose()
panose.bFamilyType = data[0]
panose.bSerifStyle = data[1]
panose.bWeight = data[2]
panose.bProportion = data[3]
panose.bContrast = data[4]
panose.bStrokeVariation = data[5]
panose.bArmStyle = data[6]
panose.bLetterForm = data[7]
panose.bMidline = data[8]
panose.bXHeight = data[9]
os2.panose = panose
# Unicode ranges
uniRanges = getAttrWithFallback(font.info, "openTypeOS2UnicodeRanges")
os2.ulUnicodeRange1 = intListToNum(uniRanges, 0, 32)
os2.ulUnicodeRange2 = intListToNum(uniRanges, 32, 32)
os2.ulUnicodeRange3 = intListToNum(uniRanges, 64, 32)
os2.ulUnicodeRange4 = intListToNum(uniRanges, 96, 32)
# codepage ranges
codepageRanges = getAttrWithFallback(font.info, "openTypeOS2CodePageRanges")
os2.ulCodePageRange1 = intListToNum(codepageRanges, 0, 32)
os2.ulCodePageRange2 = intListToNum(codepageRanges, 32, 32)
# vendor id
os2.achVendID = tounicode(
getAttrWithFallback(font.info, "openTypeOS2VendorID"),
encoding="ascii", errors="ignore")
# vertical metrics
os2.sxHeight = _roundInt(getAttrWithFallback(font.info, "xHeight"))
os2.sCapHeight = _roundInt(getAttrWithFallback(font.info, "capHeight"))
os2.sTypoAscender = _roundInt(getAttrWithFallback(font.info, "openTypeOS2TypoAscender"))
os2.sTypoDescender = _roundInt(getAttrWithFallback(font.info, "openTypeOS2TypoDescender"))
os2.sTypoLineGap = _roundInt(getAttrWithFallback(font.info, "openTypeOS2TypoLineGap"))
os2.usWinAscent = _roundInt(getAttrWithFallback(font.info, "openTypeOS2WinAscent"))
os2.usWinDescent = _roundInt(getAttrWithFallback(font.info, "openTypeOS2WinDescent"))
# style mapping
selection = list(getAttrWithFallback(font.info, "openTypeOS2Selection"))
styleMapStyleName = getAttrWithFallback(font.info, "styleMapStyleName")
if styleMapStyleName == "regular":
selection.append(6)
elif styleMapStyleName == "bold":
selection.append(5)
elif styleMapStyleName == "italic":
selection.append(0)
elif styleMapStyleName == "bold italic":
selection += [0, 5]
os2.fsSelection = intListToNum(selection, 0, 16)
# characetr indexes
unicodes = [i for i in self.unicodeToGlyphNameMapping.keys() if i is not None]
if unicodes:
minIndex = min(unicodes)
maxIndex = max(unicodes)
else:
# the font may have *no* unicode values
# (it really happens!) so there needs
# to be a fallback. use space for this.
minIndex = 0x0020
maxIndex = 0x0020
if maxIndex > 0xFFFF:
# the spec says that 0xFFFF should be used
# as the max if the max exceeds 0xFFFF
maxIndex = 0xFFFF
os2.fsFirstCharIndex = minIndex
os2.fsLastCharIndex = maxIndex
os2.usBreakChar = 32
os2.usDefaultChar = 0
# maximum contextual lookup length
os2.usMaxContex = 0
def setupTable_name(self):
"""
Make the name table.
**This should not be called externally.** Subclasses
may override or supplement this method to handle the
table creation in a different way if desired.
"""
font = self.ufo
self.otf["name"] = name = newTable("name")
name.names = []
# Set name records from font.info.openTypeNameRecords
for nameRecord in getAttrWithFallback(
font.info, "openTypeNameRecords"):
nameId = nameRecord["nameID"]
platformId = nameRecord["platformID"]
platEncId = nameRecord["encodingID"]
langId = nameRecord["languageID"]
# on Python 2, plistLib (used by ufoLib) returns unicode strings
# only when plist data contain non-ascii characters, and returns
# ascii-encoded bytes when it can. On the other hand, fontTools's
# name table `setName` method wants unicode strings, so we must
# decode them first
nameVal = tounicode(nameRecord["string"], encoding='ascii')
name.setName(nameVal, nameId, platformId, platEncId, langId)
# Build name records
familyName = getAttrWithFallback(font.info, "styleMapFamilyName")
styleName = getAttrWithFallback(font.info, "styleMapStyleName").title()
# If name ID 2 is "Regular", it can be omitted from name ID 4
fullName = familyName
if styleName != "Regular":
fullName += " %s" % styleName
nameVals = {
0: getAttrWithFallback(font.info, "copyright"),
1: familyName,
2: styleName,
3: getAttrWithFallback(font.info, "openTypeNameUniqueID"),
4: fullName,
5: getAttrWithFallback(font.info, "openTypeNameVersion"),
6: getAttrWithFallback(font.info, "postscriptFontName"),
7: getAttrWithFallback(font.info, "trademark"),
8: getAttrWithFallback(font.info, "openTypeNameManufacturer"),
9: getAttrWithFallback(font.info, "openTypeNameDesigner"),
10: getAttrWithFallback(font.info, "openTypeNameDescription"),
11: getAttrWithFallback(font.info, "openTypeNameManufacturerURL"),
12: getAttrWithFallback(font.info, "openTypeNameDesignerURL"),
13: getAttrWithFallback(font.info, "openTypeNameLicense"),
14: getAttrWithFallback(font.info, "openTypeNameLicenseURL"),
16: getAttrWithFallback(
font.info, "openTypeNamePreferredFamilyName"),
17: getAttrWithFallback(
font.info, "openTypeNamePreferredSubfamilyName"),
}
# don't add typographic names if they are the same as the legacy ones
if nameVals[1] == nameVals[16]:
del nameVals[16]
if nameVals[2] == nameVals[17]:
del nameVals[17]
# postscript font name
if nameVals[6]:
nameVals[6] = normalizeStringForPostscript(nameVals[6])
for nameId in sorted(nameVals.keys()):
nameVal = nameVals[nameId]
if not nameVal:
continue
nameVal = tounicode(nameVal, encoding='ascii')
platformId = 3
platEncId = 10 if _isNonBMP(nameVal) else 1
langId = 0x409
# Set built name record if not set yet
if name.getName(nameId, platformId, platEncId, langId):
continue
name.setName(nameVal, nameId, platformId, platEncId, langId)
def setupTable_CFF(self):
"""Make the CFF table."""
self.otf["CFF "] = cff = newTable("CFF ")
cff = cff.cff
# set up the basics
cff.major = 1
cff.minor = 0
cff.hdrSize = 4
cff.offSize = 4
cff.fontNames = []
strings = IndexedStrings()
cff.strings = strings
private = PrivateDict(strings=strings)
private.rawDict.update(private.defaults)
globalSubrs = GlobalSubrsIndex(private=private)
topDict = TopDict(GlobalSubrs=globalSubrs, strings=strings)
topDict.Private = private
charStrings = topDict.CharStrings = CharStrings(
file=None,
charset=None,
globalSubrs=globalSubrs,
private=private,
fdSelect=None,
fdArray=None)
charStrings.charStringsAreIndexed = True
topDict.charset = []
charStringsIndex = charStrings.charStringsIndex = SubrsIndex(
private=private, globalSubrs=globalSubrs)
cff.topDictIndex = topDictIndex = TopDictIndex()
topDictIndex.append(topDict)
topDictIndex.strings = strings
cff.GlobalSubrs = globalSubrs
# populate naming data
info = self.ufo.info
psName = getAttrWithFallback(info, "postscriptFontName")
cff.fontNames.append(psName)
topDict = cff.topDictIndex[0]
topDict.version = "%d.%d" % (getAttrWithFallback(
info, "versionMajor"), getAttrWithFallback(info, "versionMinor"))
trademark = getAttrWithFallback(info, "trademark")
if trademark:
trademark = normalizeStringForPostscript(
trademark.replace("\u00A9", "Copyright"))
if trademark != self.ufo.info.trademark:
self.log.append(
"[Warning] The trademark was normalized for storage in the CFF table and consequently some characters were dropped: '%s'"
% trademark)
if trademark is None:
trademark = ""
topDict.Notice = trademark
copyright = getAttrWithFallback(info, "copyright")
if copyright:
copyright = normalizeStringForPostscript(
copyright.replace("\u00A9", "Copyright"))
if copyright != self.ufo.info.copyright:
self.log.append(
"[Warning] The copyright was normalized for storage in the CFF table and consequently some characters were dropped: '%s'"
% copyright)
if copyright is None:
copyright = ""
topDict.Copyright = copyright
topDict.FullName = getAttrWithFallback(info, "postscriptFullName")
topDict.FamilyName = getAttrWithFallback(
info, "openTypeNamePreferredFamilyName")
topDict.Weight = getAttrWithFallback(info, "postscriptWeightName")
topDict.FontName = psName
# populate various numbers
topDict.isFixedPitch = getAttrWithFallback(info,
"postscriptIsFixedPitch")
topDict.ItalicAngle = getAttrWithFallback(info, "italicAngle")
underlinePosition = getAttrWithFallback(info,
"postscriptUnderlinePosition")
topDict.UnderlinePosition = _roundInt(underlinePosition)
underlineThickness = getAttrWithFallback(
info, "postscriptUnderlineThickness")
topDict.UnderlineThickness = _roundInt(underlineThickness)
# populate font matrix
unitsPerEm = _roundInt(getAttrWithFallback(info, "unitsPerEm"))
topDict.FontMatrix = [1.0 / unitsPerEm, 0, 0, 1.0 / unitsPerEm, 0, 0]
# populate the width values
defaultWidthX = _roundInt(
getAttrWithFallback(info, "postscriptDefaultWidthX"))
if defaultWidthX:
private.rawDict["defaultWidthX"] = defaultWidthX
nominalWidthX = _roundInt(
getAttrWithFallback(info, "postscriptNominalWidthX"))
if nominalWidthX:
private.rawDict["nominalWidthX"] = nominalWidthX
# populate hint data
blueFuzz = _roundInt(getAttrWithFallback(info, "postscriptBlueFuzz"))
blueShift = _roundInt(getAttrWithFallback(info, "postscriptBlueShift"))
blueScale = getAttrWithFallback(info, "postscriptBlueScale")
forceBold = getAttrWithFallback(info, "postscriptForceBold")
blueValues = getAttrWithFallback(info, "postscriptBlueValues")
if isinstance(blueValues, list):
blueValues = [_roundInt(i) for i in blueValues]
otherBlues = getAttrWithFallback(info, "postscriptOtherBlues")
if isinstance(otherBlues, list):
otherBlues = [_roundInt(i) for i in otherBlues]
familyBlues = getAttrWithFallback(info, "postscriptFamilyBlues")
if isinstance(familyBlues, list):
familyBlues = [_roundInt(i) for i in familyBlues]
familyOtherBlues = getAttrWithFallback(info,
"postscriptFamilyOtherBlues")
if isinstance(familyOtherBlues, list):
familyOtherBlues = [_roundInt(i) for i in familyOtherBlues]
stemSnapH = getAttrWithFallback(info, "postscriptStemSnapH")
if isinstance(stemSnapH, list):
stemSnapH = [_roundInt(i) for i in stemSnapH]
stemSnapV = getAttrWithFallback(info, "postscriptStemSnapV")
if isinstance(stemSnapV, list):
stemSnapV = [_roundInt(i) for i in stemSnapV]
# only write the blues data if some blues are defined.
if (blueValues or otherBlues):
private.rawDict["BlueFuzz"] = blueFuzz
private.rawDict["BlueShift"] = blueShift
private.rawDict["BlueScale"] = blueScale
private.rawDict["ForceBold"] = forceBold
private.rawDict["BlueValues"] = blueValues
private.rawDict["OtherBlues"] = otherBlues
private.rawDict["FamilyBlues"] = familyBlues
private.rawDict["FamilyOtherBlues"] = familyOtherBlues
# only write the stems if both are defined.
if (stemSnapH and stemSnapV):
private.rawDict["StemSnapH"] = stemSnapH
private.rawDict["StdHW"] = stemSnapH[0]
private.rawDict["StemSnapV"] = stemSnapV
private.rawDict["StdVW"] = stemSnapV[0]
# populate glyphs
for glyphName in self.glyphOrder:
glyph = self.allGlyphs[glyphName]
unicodes = glyph.unicodes
charString = self.getCharStringForGlyph(glyph, private,
globalSubrs)
# add to the font
if glyphName in charStrings:
# XXX a glyph already has this name. should we choke?
glyphID = charStrings.charStrings[glyphName]
charStringsIndex.items[glyphID] = charString
else:
charStringsIndex.append(charString)
glyphID = len(topDict.charset)
charStrings.charStrings[glyphName] = glyphID
topDict.charset.append(glyphName)
topDict.FontBBox = self.fontBoundingBox
# write the glyph order
self.otf.setGlyphOrder(self.glyphOrder)
def setupTable_CFF(self):
"""Make the CFF table."""
self.otf["CFF "] = cff = newTable("CFF ")
cff = cff.cff
# set up the basics
cff.major = 1
cff.minor = 0
cff.hdrSize = 4
cff.offSize = 4
cff.fontNames = []
strings = IndexedStrings()
cff.strings = strings
private = PrivateDict(strings=strings)
private.rawDict.update(private.defaults)
globalSubrs = GlobalSubrsIndex(private=private)
topDict = TopDict(GlobalSubrs=globalSubrs, strings=strings)
topDict.Private = private
charStrings = topDict.CharStrings = CharStrings(file=None, charset=None,
globalSubrs=globalSubrs, private=private, fdSelect=None, fdArray=None)
charStrings.charStringsAreIndexed = True
topDict.charset = []
charStringsIndex = charStrings.charStringsIndex = SubrsIndex(private=private, globalSubrs=globalSubrs)
cff.topDictIndex = topDictIndex = TopDictIndex()
topDictIndex.append(topDict)
topDictIndex.strings = strings
cff.GlobalSubrs = globalSubrs
# populate naming data
info = self.ufo.info
psName = getAttrWithFallback(info, "postscriptFontName")
cff.fontNames.append(psName)
topDict = cff.topDictIndex[0]
topDict.version = "%d.%d" % (getAttrWithFallback(info, "versionMajor"), getAttrWithFallback(info, "versionMinor"))
trademark = getAttrWithFallback(info, "trademark")
if trademark:
trademark = normalizeStringForPostscript(trademark.replace("\u00A9", "Copyright"))
if trademark != self.ufo.info.trademark:
self.log.append("[Warning] The trademark was normalized for storage in the CFF table and consequently some characters were dropped: '%s'" % trademark)
if trademark is None:
trademark = ""
topDict.Notice = trademark
copyright = getAttrWithFallback(info, "copyright")
if copyright:
copyright = normalizeStringForPostscript(copyright.replace("\u00A9", "Copyright"))
if copyright != self.ufo.info.copyright:
self.log.append("[Warning] The copyright was normalized for storage in the CFF table and consequently some characters were dropped: '%s'" % copyright)
if copyright is None:
copyright = ""
topDict.Copyright = copyright
topDict.FullName = getAttrWithFallback(info, "postscriptFullName")
topDict.FamilyName = getAttrWithFallback(info, "openTypeNamePreferredFamilyName")
topDict.Weight = getAttrWithFallback(info, "postscriptWeightName")
topDict.FontName = getAttrWithFallback(info, "postscriptFontName")
# populate various numbers
topDict.isFixedPitch = getAttrWithFallback(info, "postscriptIsFixedPitch")
topDict.ItalicAngle = getAttrWithFallback(info, "italicAngle")
underlinePosition = getAttrWithFallback(info, "postscriptUnderlinePosition")
if underlinePosition is None:
underlinePosition = 0
topDict.UnderlinePosition = _roundInt(underlinePosition)
underlineThickness = getAttrWithFallback(info, "postscriptUnderlineThickness")
if underlineThickness is None:
underlineThickness = 0
topDict.UnderlineThickness = _roundInt(underlineThickness)
# populate font matrix
unitsPerEm = _roundInt(getAttrWithFallback(info, "unitsPerEm"))
topDict.FontMatrix = [1.0 / unitsPerEm, 0, 0, 1.0 / unitsPerEm, 0, 0]
# populate the width values
defaultWidthX = _roundInt(getAttrWithFallback(info, "postscriptDefaultWidthX"))
if defaultWidthX:
private.rawDict["defaultWidthX"] = defaultWidthX
nominalWidthX = _roundInt(getAttrWithFallback(info, "postscriptNominalWidthX"))
if nominalWidthX:
private.rawDict["nominalWidthX"] = nominalWidthX
# populate hint data
blueFuzz = _roundInt(getAttrWithFallback(info, "postscriptBlueFuzz"))
blueShift = _roundInt(getAttrWithFallback(info, "postscriptBlueShift"))
blueScale = getAttrWithFallback(info, "postscriptBlueScale")
forceBold = getAttrWithFallback(info, "postscriptForceBold")
blueValues = getAttrWithFallback(info, "postscriptBlueValues")
if isinstance(blueValues, list):
blueValues = [_roundInt(i) for i in blueValues]
otherBlues = getAttrWithFallback(info, "postscriptOtherBlues")
if isinstance(otherBlues, list):
otherBlues = [_roundInt(i) for i in otherBlues]
familyBlues = getAttrWithFallback(info, "postscriptFamilyBlues")
if isinstance(familyBlues, list):
familyBlues = [_roundInt(i) for i in familyBlues]
familyOtherBlues = getAttrWithFallback(info, "postscriptFamilyOtherBlues")
if isinstance(familyOtherBlues, list):
familyOtherBlues = [_roundInt(i) for i in familyOtherBlues]
stemSnapH = getAttrWithFallback(info, "postscriptStemSnapH")
if isinstance(stemSnapH, list):
stemSnapH = [_roundInt(i) for i in stemSnapH]
stemSnapV = getAttrWithFallback(info, "postscriptStemSnapV")
if isinstance(stemSnapV, list):
stemSnapV = [_roundInt(i) for i in stemSnapV]
# only write the blues data if some blues are defined.
if (blueValues or otherBlues):
private.rawDict["BlueFuzz"] = blueFuzz
private.rawDict["BlueShift"] = blueShift
private.rawDict["BlueScale"] = blueScale
private.rawDict["ForceBold"] = forceBold
private.rawDict["BlueValues"] = blueValues
private.rawDict["OtherBlues"] = otherBlues
private.rawDict["FamilyBlues"] = familyBlues
private.rawDict["FamilyOtherBlues"] = familyOtherBlues
# only write the stems if both are defined.
if (stemSnapH and stemSnapV):
private.rawDict["StemSnapH"] = stemSnapH
private.rawDict["StdHW"] = stemSnapH[0]
private.rawDict["StemSnapV"] = stemSnapV
private.rawDict["StdVW"] = stemSnapV[0]
# populate glyphs
for glyphName in self.glyphOrder:
glyph = self.allGlyphs[glyphName]
unicodes = glyph.unicodes
charString = self.getCharStringForGlyph(glyph, private, globalSubrs)
# add to the font
if glyphName in charStrings:
# XXX a glyph already has this name. should we choke?
glyphID = charStrings.charStrings[glyphName]
charStringsIndex.items[glyphID] = charString
else:
charStringsIndex.append(charString)
glyphID = len(topDict.charset)
charStrings.charStrings[glyphName] = glyphID
topDict.charset.append(glyphName)
topDict.FontBBox = self.fontBoundingBox
# write the glyph order
self.otf.setGlyphOrder(self.glyphOrder)
def setupTable_OS2(self):
"""
Make the OS/2 table.
**This should not be called externally.** Subclasses
may override or supplement this method to handle the
table creation in a different way if desired.
"""
self.otf["OS/2"] = os2 = newTable("OS/2")
font = self.ufo
os2.version = 0x0004
# average glyph width
widths = [
glyph.width for glyph in self.allGlyphs.values() if glyph.width > 0
]
os2.xAvgCharWidth = _roundInt(sum(widths) / len(widths))
# weight and width classes
os2.usWeightClass = getAttrWithFallback(font.info,
"openTypeOS2WeightClass")
os2.usWidthClass = getAttrWithFallback(font.info,
"openTypeOS2WidthClass")
# embedding
os2.fsType = intListToNum(
getAttrWithFallback(font.info, "openTypeOS2Type"), 0, 16)
# subscript, superscript, strikeout values, taken from AFDKO:
# FDK/Tools/Programs/makeotf/makeotf_lib/source/hotconv/hot.c
unitsPerEm = getAttrWithFallback(font.info, "unitsPerEm")
italicAngle = getAttrWithFallback(font.info, "italicAngle")
xHeight = getAttrWithFallback(font.info, "xHeight")
def adjustOffset(offset, angle):
"""Adjust Y offset based on italic angle, to get X offset."""
return offset * math.tan(math.radians(-angle)) if angle else 0
v = getAttrWithFallback(font.info, "openTypeOS2SubscriptXSize")
if v is None:
v = unitsPerEm * 0.65
os2.ySubscriptXSize = _roundInt(v)
v = getAttrWithFallback(font.info, "openTypeOS2SubscriptYSize")
if v is None:
v = unitsPerEm * 0.6
os2.ySubscriptYSize = _roundInt(v)
v = getAttrWithFallback(font.info, "openTypeOS2SubscriptYOffset")
if v is None:
v = unitsPerEm * 0.075
os2.ySubscriptYOffset = _roundInt(v)
v = getAttrWithFallback(font.info, "openTypeOS2SubscriptXOffset")
if v is None:
v = adjustOffset(-os2.ySubscriptYOffset, italicAngle)
os2.ySubscriptXOffset = _roundInt(v)
v = getAttrWithFallback(font.info, "openTypeOS2SuperscriptXSize")
if v is None:
v = os2.ySubscriptXSize
os2.ySuperscriptXSize = _roundInt(v)
v = getAttrWithFallback(font.info, "openTypeOS2SuperscriptYSize")
if v is None:
v = os2.ySubscriptYSize
os2.ySuperscriptYSize = _roundInt(v)
v = getAttrWithFallback(font.info, "openTypeOS2SuperscriptYOffset")
if v is None:
v = unitsPerEm * 0.35
os2.ySuperscriptYOffset = _roundInt(v)
v = getAttrWithFallback(font.info, "openTypeOS2SuperscriptXOffset")
if v is None:
v = adjustOffset(os2.ySuperscriptYOffset, italicAngle)
os2.ySuperscriptXOffset = _roundInt(v)
v = getAttrWithFallback(font.info, "openTypeOS2StrikeoutSize")
if v is None:
v = getAttrWithFallback(font.info, "postscriptUnderlineThickness")
os2.yStrikeoutSize = _roundInt(v)
v = getAttrWithFallback(font.info, "openTypeOS2StrikeoutPosition")
if v is None:
v = xHeight * 0.6 if xHeight else unitsPerEm * 0.22
os2.yStrikeoutPosition = _roundInt(v)
# family class
ibmFontClass, ibmFontSubclass = getAttrWithFallback(
font.info, "openTypeOS2FamilyClass")
os2.sFamilyClass = (ibmFontClass << 8) + ibmFontSubclass
# panose
data = getAttrWithFallback(font.info, "openTypeOS2Panose")
panose = Panose()
panose.bFamilyType = data[0]
panose.bSerifStyle = data[1]
panose.bWeight = data[2]
panose.bProportion = data[3]
panose.bContrast = data[4]
panose.bStrokeVariation = data[5]
panose.bArmStyle = data[6]
panose.bLetterForm = data[7]
panose.bMidline = data[8]
panose.bXHeight = data[9]
os2.panose = panose
# Unicode ranges
uniRanges = getAttrWithFallback(font.info, "openTypeOS2UnicodeRanges")
os2.ulUnicodeRange1 = intListToNum(uniRanges, 0, 32)
os2.ulUnicodeRange2 = intListToNum(uniRanges, 32, 32)
os2.ulUnicodeRange3 = intListToNum(uniRanges, 64, 32)
os2.ulUnicodeRange4 = intListToNum(uniRanges, 96, 32)
# codepage ranges
codepageRanges = getAttrWithFallback(font.info,
"openTypeOS2CodePageRanges")
os2.ulCodePageRange1 = intListToNum(codepageRanges, 0, 32)
os2.ulCodePageRange2 = intListToNum(codepageRanges, 32, 32)
# vendor id
os2.achVendID = tounicode(getAttrWithFallback(font.info,
"openTypeOS2VendorID"),
encoding="ascii",
errors="ignore")
# vertical metrics
os2.sxHeight = _roundInt(getAttrWithFallback(font.info, "xHeight"))
os2.sCapHeight = _roundInt(getAttrWithFallback(font.info, "capHeight"))
os2.sTypoAscender = _roundInt(
getAttrWithFallback(font.info, "openTypeOS2TypoAscender"))
os2.sTypoDescender = _roundInt(
getAttrWithFallback(font.info, "openTypeOS2TypoDescender"))
os2.sTypoLineGap = _roundInt(
getAttrWithFallback(font.info, "openTypeOS2TypoLineGap"))
os2.usWinAscent = _roundInt(
getAttrWithFallback(font.info, "openTypeOS2WinAscent"))
os2.usWinDescent = _roundInt(
getAttrWithFallback(font.info, "openTypeOS2WinDescent"))
# style mapping
selection = list(getAttrWithFallback(font.info,
"openTypeOS2Selection"))
styleMapStyleName = getAttrWithFallback(font.info, "styleMapStyleName")
if styleMapStyleName == "regular":
selection.append(6)
elif styleMapStyleName == "bold":
selection.append(5)
elif styleMapStyleName == "italic":
selection.append(0)
elif styleMapStyleName == "bold italic":
selection += [0, 5]
os2.fsSelection = intListToNum(selection, 0, 16)
# characetr indexes
unicodes = [
i for i in self.unicodeToGlyphNameMapping.keys() if i is not None
]
if unicodes:
minIndex = min(unicodes)
maxIndex = max(unicodes)
else:
# the font may have *no* unicode values (it really happens!) so
# there needs to be a fallback. use 0xFFFF, as AFDKO does:
# FDK/Tools/Programs/makeotf/makeotf_lib/source/hotconv/map.c
minIndex = 0xFFFF
maxIndex = 0xFFFF
if maxIndex > 0xFFFF:
# the spec says that 0xFFFF should be used
# as the max if the max exceeds 0xFFFF
maxIndex = 0xFFFF
os2.fsFirstCharIndex = minIndex
os2.fsLastCharIndex = maxIndex
os2.usBreakChar = 32
os2.usDefaultChar = 0
# maximum contextual lookup length
os2.usMaxContex = 0
