Hagen - Pragma ADE

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$Integrating TEX, MetaPost, JavaScript and PDF - Pragma ADE$

40 Modes dir +TRT glyph 256 font 49: U+F029D: ف glyph 256 font 49: U+0FBB2: ﮲ glyph 256 font 49: U+0064E: َ glyph 258 font 49: U+F051B: خǇ glyph 256 font 49: U+0FBB2: ﮲ glyph 256 font 49: U+0064E: َ glyph 256 font 49: U+F0302: ا dir -TRT component : glyph 1 font 49: U+F02D8: خǇ component : glyph 1 font 49: U+00640: ـ Figure 2.8 The Arabic input ‘ ا َخَف’ after rendering. expect, monospaced fonts can have such features. Some might actually make sense, like rendering zeros. However, you cannot assume such a feature to be present so this is an example of where some more knowledge about a particular font is needed. This is what Latin Modern provides. none typewriter 1234567890 zero typewriter 1234567890 none regular 1234567890 zero regular 1234567890/ Normally using mode none for situations that need to be predictable is quite okay. 2.7 Dynamics Sometimes you want to enable or disable a specific feature only for a specific span of text. Defining a font for only this occasion is overkill, especially when for instance features
are used to fine-tune the typography as happens in the Oriental TEX project, which is related to LuaTEX. Instead of defining yet another font instance we can therefore enable and disable specific features. For this it is not needed to know the current font and its size. 3 Dynamics are a special case of node mode and you don’t need to set it up when defining a font. In fact, a font defined in base mode can also be dynamic. We show some simple examples of applying dynamic features. Let’s first define some feature sets: \definefontfeature[f:smallcaps][smcp=yes] \definefontfeature[f:nocaps] [smcp=no] \definefontfeature[f:oldstyle] [onum=yes] \definefontfeature[f:newstyle] [onum=no] We can add and subtract these features from the current feature set that is bound to the current font. \switchtobodyfont[pagella] 123 normal \addfeature {f:oldstyle} 123 oldstyle \addfeature {f:smallcaps} 123 olstyle smallcaps \subtractfeature{f:oldstyle} 123 smallcaps \subtractfeature{f:smallcaps} 123 normal Here we choose a font that has oldstyle numerals as well as small caps: pagella. 123 normal 123 oldstyle 123 olstyle smallcaps 123 smallcaps 123 normal The following does the same, but only uses addition: \switchtobodyfont[pagella] 123 normal \addfeature{f:oldstyle} 123 oldstyle \addfeature{f:smallcaps} 123 olstyle smallcaps \addfeature{f:newstyle} 123 smallcaps \addfeature{f:nocaps} 123 normal You can also completely replace a feature set. Of course the set is only forgotten inside the current group. \switchtobodyfont[pagella] 123 normal \addfeature {f:oldstyle} 123 oldstyle \addfeature {f:smallcaps} 123 olstyle smallcaps \replacefeature{f:oldstyle} 123 oldstyle \replacefeature{f:smallcaps} 123 smallcaps 3 Dynamics are a ConTE Xt specific feature and is not available in the generic version of the font code. There are several reasons for this: it complicates the code, it assumes the ConT E Xt feature definition mechanism to be used, and it is somewhat slower as some extra analysis has to be done. 41 Modes
Page 1: explaining luatex and mkiv Fonts ou
Page 4 and 5: 2 Contents 5.4 Goodies 73 5.5 Analy
Page 6 and 7: 4 Contents
Page 8 and 9: 6 Introduction In this manual we wi
Page 10 and 11: 8 Font formats a b g l q . ; ? ffi
Page 12 and 13: 10 Font formats When T E X ships ou
Page 14 and 15: 12 A.4 A.3 Font formats multiple ac
Page 16 and 17: 14 Font formats can be rules that t
Page 18 and 19: 16 Font formats /fonts/tfm/vendor/t
Page 20 and 21: 18 Modes raw tfm normalized tfm raw
Page 22 and 23: 20 Modes shown next: kern cyrl dflt
Page 24 and 25: 22 Modes ccmp cyrl mkd абвгде
Page 26 and 27: 24 Modes dlig latn gag abcdefghijkl
Page 28 and 29: 26 Modes liga latn nsm abcdefghijkl
Page 30 and 31: 28 Modes salt latn mol abcdefghijkl
Page 32 and 33: 30 Modes glyph 256 font 42: U+00074
Page 38 and 39: 36 Modes optimizer that can apply a
Page 40 and 41: 38 Modes ا خǇَ﮲ ف﮲َ step
Page 44 and 45: 42 Modes and now we get: 123 normal
Page 46 and 47: 44 Modes MkIV run can be faster tha
Page 48 and 49: 46 Lookups \font \MyFontG = lmr12 s
Page 50 and 51: 48 Lookups 3.4 Name Say that we wan
Page 52 and 53: 50 Lookups We add another specifier
Page 54 and 55: 52 Methods \definefont [MyFont] [Bo
Page 56 and 57: 54 Methods } copyright = "ConTeXt d
Page 58 and 59: 56 Features of all, all we get to s
Page 60 and 61: 58 Features in base mode. A single
Page 62 and 63: 60 Features accumulate within a wor
Page 64 and 65: 62 Features features analyze=yes, c
Page 66 and 67: 64 Features \definedfont[lmroman10-
Page 68 and 69: 66 Features single substitutions or
Page 70 and 71: 68 F -0.492 eatures result ffi feat
Page 72 and 73: 70 Features font 80: lmroman10-regu
Page 74 and 75: 72 Features font 46: cambria.ttf @
Page 76 and 77: 74 Features } } This goodie file is
Page 78 and 79: 76 Features { name = "msbm10.tfm",
Page 80 and 81: 78 Features \starttypescript[somefo
Page 82 and 83: 80 Features \setupbodyfont [mojcasf
Page 84 and 85: 82 Features } normalweight = "extra
Page 86 and 87: 84 Features "QF.waqf", "SKTH.waqf",
Page 88 and 89: 86 Features featureset=smallcaps] O
Page 90 and 91: 88 Features } }, When defining the
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90 Features local defaultfraction =
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92 Features } } ["LMRoman-Bold"] =
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94 Features In fact, in addition to
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96 Features } This time the applica
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98 Features step 1 I don't wanna kn
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100 Features If you’re lucky your
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102 Scripts
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However, when we go the other way,
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122 Math the regular a--z character
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While there are lots of text fonts,
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8 Extensions 8.1 Introduction One o
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[default] [itlc=5] This is demonstr
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132 Extensions \definefontfeature [
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134 Extensions characters to improv
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136 Extensions U+00079 0.05 y 0.05
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138 Extensions protrusion classes T
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140 Extensions [fonts.composing.def
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142 } Extensions top = { x = -250,
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144 Extensions
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146 Hooks
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148 ) Appendix (LIG C l O 10) (KRN
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150 ) Appendix (KRN O 177 R 0.056)
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152 Appendix Notice Copyright 2003-
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154 Appendix ... KPX seven.prop hyp
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156 Appendix name = , features = ,
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158 Appendix [] = "", ... default =
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160 Appendix A.10 Discretionary nod
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Hagen - Pragma ADE

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