libui/_doc/export/ctweightvalues

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registered font, preexisting metadata weight
"reg": float32as(0.000000, 0x0)
"semi": float32as(0.300000, 0x3e99999a)
"bold": float32as(0.400000, 0x3ecccccd)
"light": float32as(-0.400000, 0xbecccccd)
"med": float32as(0.230000, 0x3e6b851f)
"heavy": float32as(0.560000, 0x3f0f5c29)
"black": float32as(0.620000, 0x3f1eb852)
"thin": float32as(-0.600000, 0xbf19999a)
"ulight": float32as(-0.800000, 0xbf4ccccd)
registered font, postscript name (probably only for TrueType and OpenType) special cases, overrides the above
"LucidaGrande": float32as(0.000000, 0x0)
".LucidaGrandeUI": float32as(0.000000, 0x0)
".Keyboard": float32as(0.000000, 0x0)
"STHeiti": float32as(0.240000, 0x3e75c28f)
"STXihei": float32as(-0.100000, 0xbdcccccd)
"TimesNewRomanPSMT": float32as(0.000000, 0x0)
registered font, style glossary strings, tried in this order (possibly TrueType and OpenType only): preferred subfamily, subfamily, full name, preferred family, family; case-insensitive search, reverse search, "nonliteral" (kCFCompareNonliteral)
"Ultra Light": float32as(-0.800000, 0xbf4ccccd)
"Ultra Black": float32as(0.750000, 0x3f400000)
"Extra Light": float32as(-0.500000, 0xbf000000)
"UltraBlack": float32as(0.750000, 0x3f400000)
"ExtraBlack": float32as(0.800000, 0x3f4ccccd)
"UltraLight": float32as(-0.800000, 0xbf4ccccd)
"ExtraLight": float32as(-0.500000, 0xbf000000)
"Ultra Thin": float32as(-0.800000, 0xbf4ccccd)
"Extra Thin": float32as(-0.800000, 0xbf4ccccd)
"Heavy Face": float32as(0.560000, 0x3f0f5c29)
"Semi Light": float32as(-0.200000, 0xbe4ccccd)
"Extra Bold": float32as(0.500000, 0x3f000000)
"Ultra Bold": float32as(0.700000, 0x3f333333)
"HeavyFace": float32as(0.560000, 0x3f0f5c29)
"ExtraBold": float32as(0.500000, 0x3f000000)
"UltraBold": float32as(0.700000, 0x3f333333)
"Ext Black": float32as(0.800000, 0x3f4ccccd)
"SemiLight": float32as(-0.200000, 0xbe4ccccd)
"Demi Bold": float32as(0.250000, 0x3e800000)
"Semi Bold": float32as(0.300000, 0x3e99999a)
"Ext Light": float32as(-0.500000, 0xbf000000)
"Ext Bold": float32as(0.500000, 0x3f000000)
"DemiBold": float32as(0.250000, 0x3e800000)
"SemiBold": float32as(0.300000, 0x3e99999a)
"HairLine": float32as(-0.800000, 0xbf4ccccd)
"Ext Thin": float32as(-0.800000, 0xbf4ccccd)
"Medium": float32as(0.230000, 0x3e6b851f)
"Poster": float32as(0.800000, 0x3f4ccccd)
"Light": float32as(-0.400000, 0xbecccccd)
"Ultra": float32as(0.500000, 0x3f000000)
"Heavy": float32as(0.560000, 0x3f0f5c29)
"Extra": float32as(0.500000, 0x3f000000)
"Black": float32as(0.620000, 0x3f1eb852)
"Super": float32as(0.620000, 0x3f1eb852)
"Obese": float32as(0.850000, 0x3f59999a)
"Lite": float32as(-0.400000, 0xbecccccd)
"Book": float32as(-0.230000, 0xbe6b851f)
"Demi": float32as(0.250000, 0x3e800000)
"Semi": float32as(0.300000, 0x3e99999a)
"Thin": float32as(-0.500000, 0xbf000000)
"Bold": float32as(0.400000, 0x3ecccccd)
"Nord": float32as(0.800000, 0x3f4ccccd)
"Fat": float32as(0.750000, 0x3f400000)
"W1": float32as(-0.230000, 0xbe6b851f)
"W2": float32as(-0.500000, 0xbf000000)
"W3": float32as(-0.230000, 0xbe6b851f)
"W4": float32as(0.000000, 0x0)
"W5": float32as(0.230000, 0x3e6b851f)
"W6": float32as(0.300000, 0x3e99999a)
"W7": float32as(0.440000, 0x3ee147ae)
"W8": float32as(0.540000, 0x3f0a3d71)
"W9": float32as(0.620000, 0x3f1eb852)
registered font, OS2 weights; table length >= 78
1, 10 - 100: float32as(-0.800000, 0xbf4ccccd)
2, 101 - 200: float32as(-0.500000, 0xbf000000)
3, 201 - 300: float32as(-0.400000, 0xbecccccd)
4, 301 - 400: float32as(0.000000, 0x0)
5, 401 - 500: float32as(0.230000, 0x3e6b851f)
6, 501 - 600: float32as(0.250000, 0x3e800000)
7, 601 - 700: float32as(0.400000, 0x3ecccccd)
8, 701 - 800: float32as(0.500000, 0x3f000000)
9, 801 - 900: float32as(0.620000, 0x3f1eb852)
901 - 950: float32as(0.750000, 0x3f400000)
951 - 999: float32as(0.800000, 0x3f4ccccd)
0, 1000: panose
panose 2: float32as(-0.500000, 0xbf000000)
panose 3: float32as(-0.400000, 0xbecccccd)
panose 4: !!!! see note should be float32as(-0.300000, 0xbe99999a) but is treated as invalid instead due to returning false instead of true
panose 5: float32as(-0.230000, 0xbe6b851f)
panose 6: float32as(0.230000, 0x3e6b851f)
panose 7: float32as(0.250000, 0x3e800000)
panose 8: float32as(0.400000, 0x3ecccccd)
panose 9: float32as(0.560000, 0x3f0f5c29)
panose 10: float32as(0.620000, 0x3f1eb852)
panose 11: float32as(0.800000, 0x3f4ccccd)
registered font, head table, low bit of byte 0x2D
'head'[0x2D] & 1: float32as(0.400000, 0x3ecccccd)
registered font, abbreviated weight glossary, checks for (possibly in TrueType and OpenType only) in order: preferred subfamily, family; case-insensitive strict comparison
"EL": float32as(-0.200000, 0xbe4ccccd)
"EB": float32as(0.500000, 0x3f000000)
"SB": float32as(0.300000, 0x3e99999a)
"UH": float32as(0.800000, 0x3f4ccccd)
"U": float32as(0.700000, 0x3f333333)
"L": float32as(-0.400000, 0xbecccccd)
"H": float32as(0.560000, 0x3f0f5c29)
"B": float32as(0.400000, 0x3ecccccd)
"M": float32as(0.230000, 0x3e6b851f)
"R": float32as(0.000000, 0x0)
registered font
default: float32as(0.000000, 0x0)
// based on CoreText dylib's __Z13WeightOfClasst — WeightOfClass(unsigned short)
func CoreText_WeightOfClass(usWeightClass uint16) float64 {
if usWeightClass >= 11 {
// do nothing; we are preserving the original asm comparisons
// and yes, this one is 11, but the one above is 10
} else {
usWeightClass *= 100
}
// figure out what two floats our weight will be between
i := usWeightClass / 100
j := i + 1
if j > 10 {
j = 10
}
b := float64(i * 100)
c := float64(j * 100)
a := float64(0)
if b != c {
a = float64(usWeightClass)
a -= b
c -= b
a /= c
}
scales := []float32{
float32as(-1.000000, 0xbf800000),
float32as(-0.700000, 0xbf333333),
float32as(-0.500000, 0xbf000000),
float32as(-0.230000, 0xbe6b851f),
float32as(0.000000, 0x0),
float32as(0.200000, 0x3e4ccccd),
float32as(0.300000, 0x3e99999a),
float32as(0.400000, 0x3ecccccd),
float32as(0.600000, 0x3f19999a),
float32as(0.800000, 0x3f4ccccd),
float32as(1.000000, 0x3f800000),
}
c = float64(scale[i])
b = float64[scale[j])
return fma(a, b, c)
}
unregistered font: kCTFontPostScriptNameKey defaults
"LucidaGrande": float64as(0.000000, 0x0)
".LucidaGrandeUI": float64as(0.000000, 0x0)
"STHeiti": float64as(0.240000, 0x3fceb851eb851eb8)
"STXihei": float64as(-0.100000, 0xbfb999999999999a)
"TimesNewRomanPSMT": float64as(0.000000, 0x0)
os2table := f.Table('OS/2')
if os2table != nil {
if !hasWeight {
var usWeightClass uint16
valid := false
if os2table.Len() > 77 {
b := os2table.Bytes()
usWeightClass = uint16be(b[4:6])
if usWeightClass > 1000 {
weight = 0
hasWeight = false
} else {
valid = true
}
} else {
usWeightClass = 0
valid = true
}
if valid {
weight = CoreText_WeightOfClass(usWeightClass)
hasWeight = true
}
}
}
unregistered font, style glossary, checks against kCTFontSubFamilyNameKey, kCTFontFullNameKey, kCTFontFamilyNameKey; case-insensitive (folded by Unicode rules) strstr()
"ultra light": float32as(-0.800000, 0xbf4ccccd)
"ultra black": float32as(0.750000, 0x3f400000)
"extra light": float32as(-0.500000, 0xbf000000)
"ultralight": float32as(-0.800000, 0xbf4ccccd)
"ultrablack": float32as(0.750000, 0x3f400000)
"extrablack": float32as(0.800000, 0x3f4ccccd)
"extralight": float32as(-0.500000, 0xbf000000)
"heavy face": float32as(0.560000, 0x3f0f5c29)
"semi light": float32as(-0.200000, 0xbe4ccccd)
"extra bold": float32as(0.500000, 0x3f000000)
"ultra bold": float32as(0.700000, 0x3f333333)
"heavyface": float32as(0.560000, 0x3f0f5c29)
"extrabold": float32as(0.500000, 0x3f000000)
"ultrabold": float32as(0.700000, 0x3f333333)
"semilight": float32as(-0.200000, 0xbe4ccccd)
"demi bold": float32as(0.250000, 0x3e800000)
"semi bold": float32as(0.300000, 0x3e99999a)
"demibold": float32as(0.250000, 0x3e800000)
"semibold": float32as(0.300000, 0x3e99999a)
"hairline": float32as(-0.700000, 0xbf333333)
"medium": float32as(0.230000, 0x3e6b851f)
"poster": float32as(0.800000, 0x3f4ccccd)
"light": float32as(-0.400000, 0xbecccccd)
"heavy": float32as(0.560000, 0x3f0f5c29)
"extra": float32as(0.500000, 0x3f000000)
"black": float32as(0.620000, 0x3f1eb852)
"super": float32as(0.620000, 0x3f1eb852)
"obese": float32as(0.850000, 0x3f59999a)
"lite": float32as(-0.400000, 0xbecccccd)
"book": float32as(-0.230000, 0xbe6b851f)
"demi": float32as(0.250000, 0x3e800000)
"semi": float32as(0.300000, 0x3e99999a)
"thin": float32as(-0.500000, 0xbf000000)
"bold": float32as(0.400000, 0x3ecccccd)
"nord": float32as(0.800000, 0x3f4ccccd)
"fat": float32as(0.750000, 0x3f400000)
"w1": float32as(-0.700000, 0xbf333333)
"w2": float32as(-0.500000, 0xbf000000)
"w3": float32as(-0.230000, 0xbe6b851f)
"w4": float32as(0.000000, 0x0)
"w5": float32as(0.230000, 0x3e6b851f)
"w6": float32as(0.300000, 0x3e99999a)
"w7": float32as(0.440000, 0x3ee147ae)
"w8": float32as(0.540000, 0x3f0a3d71)
"w9": float32as(0.620000, 0x3f1eb852)
func (f *Font) ShouldEnableBoldSymbolicTrait() bool {
if f.IsRegistered() {
return f.ShouldEnableBoldSymbolicTraitFromRegistry()
}
no := f.Weight() <= float64as(0.239000, 0x3fce978d4fdf3b64)
return !no
}