Sorted all the possible Core Text weight values into lists. Now to process those lists.
This commit is contained in:
Pietro Gagliardi
parent
2858c56528
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3b316ddb5b
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registered font, preexisting metadata weight
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"reg": float32as(0.000000, 0x0)
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"semi": float32as(0.300000, 0x3e99999a)
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"bold": float32as(0.400000, 0x3ecccccd)
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"light": float32as(-0.400000, 0xbecccccd)
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"med": float32as(0.230000, 0x3e6b851f)
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"heavy": float32as(0.560000, 0x3f0f5c29)
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"black": float32as(0.620000, 0x3f1eb852)
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"thin": float32as(-0.600000, 0xbf19999a)
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"ulight": float32as(-0.800000, 0xbf4ccccd)
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registered font, postscript name (probably only for TrueType and OpenType) special cases, overrides the above
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"LucidaGrande": float32as(0.000000, 0x0)
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".LucidaGrandeUI": float32as(0.000000, 0x0)
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".Keyboard": float32as(0.000000, 0x0)
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"STHeiti": float32as(0.240000, 0x3e75c28f)
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"STXihei": float32as(-0.100000, 0xbdcccccd)
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"TimesNewRomanPSMT": float32as(0.000000, 0x0)
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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)
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"Ultra Light": float32as(-0.800000, 0xbf4ccccd)
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"Ultra Black": float32as(0.750000, 0x3f400000)
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"Extra Light": float32as(-0.500000, 0xbf000000)
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"UltraBlack": float32as(0.750000, 0x3f400000)
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"ExtraBlack": float32as(0.800000, 0x3f4ccccd)
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"UltraLight": float32as(-0.800000, 0xbf4ccccd)
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"ExtraLight": float32as(-0.500000, 0xbf000000)
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"Ultra Thin": float32as(-0.800000, 0xbf4ccccd)
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"Extra Thin": float32as(-0.800000, 0xbf4ccccd)
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"Heavy Face": float32as(0.560000, 0x3f0f5c29)
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"Semi Light": float32as(-0.200000, 0xbe4ccccd)
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"Extra Bold": float32as(0.500000, 0x3f000000)
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"Ultra Bold": float32as(0.700000, 0x3f333333)
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"HeavyFace": float32as(0.560000, 0x3f0f5c29)
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"ExtraBold": float32as(0.500000, 0x3f000000)
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"UltraBold": float32as(0.700000, 0x3f333333)
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"Ext Black": float32as(0.800000, 0x3f4ccccd)
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"SemiLight": float32as(-0.200000, 0xbe4ccccd)
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"Demi Bold": float32as(0.250000, 0x3e800000)
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"Semi Bold": float32as(0.300000, 0x3e99999a)
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"Ext Light": float32as(-0.500000, 0xbf000000)
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"Ext Bold": float32as(0.500000, 0x3f000000)
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"DemiBold": float32as(0.250000, 0x3e800000)
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"SemiBold": float32as(0.300000, 0x3e99999a)
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"HairLine": float32as(-0.800000, 0xbf4ccccd)
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"Ext Thin": float32as(-0.800000, 0xbf4ccccd)
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"Medium": float32as(0.230000, 0x3e6b851f)
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"Poster": float32as(0.800000, 0x3f4ccccd)
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"Light": float32as(-0.400000, 0xbecccccd)
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"Ultra": float32as(0.500000, 0x3f000000)
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"Heavy": float32as(0.560000, 0x3f0f5c29)
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"Extra": float32as(0.500000, 0x3f000000)
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"Black": float32as(0.620000, 0x3f1eb852)
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"Super": float32as(0.620000, 0x3f1eb852)
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"Obese": float32as(0.850000, 0x3f59999a)
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"Lite": float32as(-0.400000, 0xbecccccd)
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"Book": float32as(-0.230000, 0xbe6b851f)
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"Demi": float32as(0.250000, 0x3e800000)
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"Semi": float32as(0.300000, 0x3e99999a)
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"Thin": float32as(-0.500000, 0xbf000000)
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"Bold": float32as(0.400000, 0x3ecccccd)
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"Nord": float32as(0.800000, 0x3f4ccccd)
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"Fat": float32as(0.750000, 0x3f400000)
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"W1": float32as(-0.230000, 0xbe6b851f)
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"W2": float32as(-0.500000, 0xbf000000)
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"W3": float32as(-0.230000, 0xbe6b851f)
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"W4": float32as(0.000000, 0x0)
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"W5": float32as(0.230000, 0x3e6b851f)
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"W6": float32as(0.300000, 0x3e99999a)
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"W7": float32as(0.440000, 0x3ee147ae)
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"W8": float32as(0.540000, 0x3f0a3d71)
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"W9": float32as(0.620000, 0x3f1eb852)
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registered font, OS2 weights; table length >= 78
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1, 10 - 100: float32as(-0.800000, 0xbf4ccccd)
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2, 101 - 200: float32as(-0.500000, 0xbf000000)
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3, 201 - 300: float32as(-0.400000, 0xbecccccd)
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4, 301 - 400: float32as(0.000000, 0x0)
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5, 401 - 500: float32as(0.230000, 0x3e6b851)
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6, 501 - 600: float32as(0.250000, 0x3e800000)
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7, 601 - 700: float32as(0.400000, 0x3ecccccd)
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8, 701 - 800: float32as(0.500000, 0x3f000000)
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9, 801 - 900: float32as(0.620000, 0x3f1eb852)
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901 - 950: float32as(0.750000, 0x3f400000)
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951 - 999: float32as(0.800000, 0x3f4ccccd)
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0, 1000: panose
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2: float32as(-0.500000, 0xbf000000)
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3: float32as(-0.400000, 0xbecccccd)
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4: !!!! should be float32as(-0.300000, 0xbe99999a) but is treated as invalid instead due to returning false instead of true
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5: float32as(-0.230000, 0xbe6b851f)
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6: float32as(0.230000, 0x3e6b851f)
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7: float32as(0.250000, 0x3e800000)
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8: float32as(0.400000, 0x3ecccccd)
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9: float32as(0.560000, 0x3f0f5c29)
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10: float32as(0.620000, 0x3f1eb852)
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11: float32as(0.800000, 0x3f4ccccd)
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registered font, head table, low bit of byte 0x2D
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1: float32as(0.400000, 0x3ecccccd)
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registered font, abbreviated weight glossary, checks for (possibly in TrueType and OpenType only) in order: preferred subfamily, family; case-insensitive strict comparison
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"EL": float32as(-0.200000, 0xbe4ccccd)
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"EB": float32as(0.500000, 0x3f000000)
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"SB": float32as(0.300000, 0x3e99999a)
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"UH": float32as(0.800000, 0x3f4ccccd)
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"U": float32as(0.700000, 0x3f333333)
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"L": float32as(-0.400000, 0xbecccccd)
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"H": float32as(0.560000, 0x3f0f5c29)
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"B": float32as(0.400000, 0x3ecccccd)
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"M": float32as(0.230000, 0x3e6b851f)
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"R": float32as(0.000000, 0x0)
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registered font
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default: float32as(0.000000, 0x0)
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// based on CoreText dylib's __Z13WeightOfClasst — WeightOfClass(unsigned short)
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func CoreText_WeightOfClass(usWeightClass uint16) float64 {
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if usWeightClass >= 11 {
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// do nothing; we are preserving the original asm comparisons
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// and yes, this one is 11, but the one above is 10
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} else {
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usWeightClass *= 100
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}
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// figure out what two floats our weight will be between
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i := usWeightClass / 100
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j := i + 1
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if j > 10 {
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j = 10
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}
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b := float64(i * 100)
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c := float64(j * 100)
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a := float64(0)
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if b != c {
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a = float64(usWeightClass)
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a -= b
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c -= b
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a /= c
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}
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scales := []float32{
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float32as(-1.000000, 0xbf800000),
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float32as(-0.700000, 0xbf333333),
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float32as(-0.500000, 0xbf000000),
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float32as(-0.230000, 0xbe6b851f),
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float32as(0.000000, 0x0),
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float32as(0.200000, 0x3e4ccccd),
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float32as(0.300000, 0x3e99999a),
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float32as(0.400000, 0x3ecccccd),
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float32as(0.600000, 0x3f19999a),
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float32as(0.800000, 0x3f4ccccd),
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float32as(1.000000, 0x3f800000),
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}
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c = float64(scale[i])
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b = float64[scale[j])
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return fma(a, b, c)
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}
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unregistered font: kCTFontPostScriptNameKey defaults
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"LucidaGrande": float64as(0.000000, 0x0)
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".LucidaGrandeUI": float64as(0.000000, 0x0)
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"STHeiti": float64as(0.240000, 0x3fceb851eb851eb8)
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"STXihei": float64as(-0.100000, 0xbfb999999999999a)
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"TimesNewRomanPSMT": float64as(0.000000, 0x0)
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os2table := f.Table('OS/2')
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if os2table != nil {
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if !hasWeight {
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var usWeightClass uint16
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valid := false
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if os2table.Len() > 77 {
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b := os2table.Bytes()
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usWeightClass = uint16be(b[4:6])
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if usWeightClass > 1000 {
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weight = 0
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hasWeight = false
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} else {
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valid = true
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}
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} else {
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usWeightClass = 0
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valid = true
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}
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if valid {
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weight = CoreText_WeightOfClass(usWeightClass)
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hasWeight = true
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}
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}
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}
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unregistered font, style glossary, checks against kCTFontSubFamilyNameKey, kCTFontFullNameKey, kCTFontFamilyNameKey; case-insensitive (folded by Unicode rules) strstr()
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"ultra light": float32as(-0.800000, 0xbf4ccccd)
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"ultra black": float32as(0.750000, 0x3f400000)
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"extra light": float32as(-0.500000, 0xbf000000)
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"ultralight": float32as(-0.800000, 0xbf4ccccd)
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"ultrablack": float32as(0.750000, 0x3f400000)
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"extrablack": float32as(0.800000, 0x3f4ccccd)
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"extralight": float32as(-0.500000, 0xbf000000)
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"heavy face": float32as(0.560000, 0x3f0f5c29)
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"semi light": float32as(-0.200000, 0xbe4ccccd)
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"extra bold": float32as(0.500000, 0x3f000000)
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"ultra bold": float32as(0.700000, 0x3f333333)
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"heavyface": float32as(0.560000, 0x3f0f5c29)
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"extrabold": float32as(0.500000, 0x3f000000)
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"ultrabold": float32as(0.700000, 0x3f333333)
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"semilight": float32as(-0.200000, 0xbe4ccccd)
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"demi bold": float32as(0.250000, 0x3e800000)
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"semi bold": float32as(0.300000, 0x3e99999a)
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"demibold": float32as(0.250000, 0x3e800000)
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"semibold": float32as(0.300000, 0x3e99999a)
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"hairline": float32as(-0.700000, 0xbf333333)
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"medium": float32as(0.230000, 0x3e6b851f)
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"poster": float32as(0.800000, 0x3f4ccccd)
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"light": float32as(-0.400000, 0xbecccccd)
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"heavy": float32as(0.560000, 0x3f0f5c29)
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"extra": float32as(0.500000, 0x3f000000)
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"black": float32as(0.620000, 0x3f1eb852)
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"super": float32as(0.620000, 0x3f1eb852)
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"obese": float32as(0.850000, 0x3f59999a)
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"lite": float32as(-0.400000, 0xbecccccd)
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"book": float32as(-0.230000, 0xbe6b851f)
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"demi": float32as(0.250000, 0x3e800000)
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"semi": float32as(0.300000, 0x3e99999a)
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"thin": float32as(-0.500000, 0xbf000000)
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"bold": float32as(0.400000, 0x3ecccccd)
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"nord": float32as(0.800000, 0x3f4ccccd)
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"fat": float32as(0.750000, 0x3f400000)
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"w1": float32as(-0.700000, 0xbf333333)
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"w2": float32as(-0.500000, 0xbf000000)
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"w3": float32as(-0.230000, 0xbe6b851f)
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"w4": float32as(0.000000, 0x0)
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"w5": float32as(0.230000, 0x3e6b851f)
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"w6": float32as(0.300000, 0x3e99999a)
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"w7": float32as(0.440000, 0x3ee147ae)
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"w8": float32as(0.540000, 0x3f0a3d71)
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"w9": float32as(0.620000, 0x3f1eb852)
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func (f *Font) ShouldEnableBoldSymbolicTrait() bool {
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if f.IsRegistered() {
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return f.ShouldEnableBoldSymbolicTraitFromRegistry()
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}
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no := f.Weight() <= float64as(0.239000, 0x3fce978d4fdf3b64)
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return !no
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}
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