550 lines
22 KiB
Plaintext
550 lines
22 KiB
Plaintext
define fs : require 'fs'
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define path : require 'path'
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define Glyph [require './support/glyph'].Glyph
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define Stroke [require './support/stroke'].Stroke
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define tp [require './support/transform'].transformPoint
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define inverse [require './support/transform'].inverse
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define libspiro : require 'libspiro-js'
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define SpiroExpansionContext [require './support/spiroexpand'].SpiroExpansionContext
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define toml : require 'toml'
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### COMMON FUNCTIONS
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define [mix a b p] : a + [b - a] * p
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define [linreg x0 y0 x1 y1 x] : y0 + [x - x0] * [y1 - y0] / [x1 - x0]
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define [bilinear x0 x1 y0 y1 z00 z01 z10 z11 x y] : linreg {
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* y0
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linreg x0 z00 x1 z10 x
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* y1
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linreg x0 z01 x1 z11 x
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* y
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}
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define [fallback] : for [local j 0] [j < arguments.length] [inc j] : if [arguments`j !== nothing] : return arguments`j
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# Empty font base file
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define emptyFontStr : fs.readFileSync : path.join [path.dirname require.main.filename] 'emptyfont.toml'
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define-macro $$include : syntax-rules {
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('$$include' ('.quote' file)) : begin {
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local path : require 'path'
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local fs : require 'fs'
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local f0 [[env.macros.get 'input-path']].1
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local parse [require './syntax.js'].parse
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local absolutePath : path.resolve [path.dirname f0] [formOf file]
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local input : fs.readFileSync absolutePath 'utf-8'
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local ast : parse input (.within (.file absolutePath .input input))
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return ('.syntactic-closure' ast env)
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}
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otherwise @`nothing
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}
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define [buildFont para recursive] : begin {
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define variantSelector para.variantSelector
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define font : toml.parse emptyFontStr
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define glyphList font.glyf
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define glyphs (.)
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define unicodeGlyphs ()
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define UPM 1000
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define serifed : not [not para.serif]
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# Key metrics
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define WIDTH para.width
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define SB para.sb
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define CAP para.cap
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define XH para.xheight
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define DESCENDER para.descender
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# Key metrics for symbols
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local parenTop [[XH * 0.625] + [CAP - XH] * 2.5]
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local parenBot [[XH * 0.625] - [CAP - XH] * 2.5]
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local parenMid [mix parenTop parenBot 0.5]
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# Transform constructors
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define [Italify angle shift] : begin {
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local slope [Math.tan [[fallback angle para.italicangle] / 180 * Math.PI]]
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return (.xx 1 .yx slope .xy 0 .yy 1 .x [fallback shift : -slope * parenMid] .y 0)
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}
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define [Upright angle shift] [inverse : Italify angle shift]
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define [Scale sx sy] (.xx sx .yx 0 .xy 0 .yy [fallback sy sx] .x 0 .y 0)
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define [Translate x y] (.xx 1 .yx 0 .xy 0 .yy 1 .x x .y y)
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define [Rotate angle] (.xx [Math.cos angle] .yx [-[Math.sin angle]] .xy [Math.sin angle] .yy [Math.cos angle] .x 0 .y 0)
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define globalTransform : Italify para.italicAngle
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define deGlobalTransform : inverse globalTransform
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define CORRECTION_HX : 1 / [Math.sqrt [1 - globalTransform.yx * globalTransform.yx]]
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# Orient parameters
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define UPWARD (.x [-CORRECTION_HX] .y 0)
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define DOWNWARD (.x CORRECTION_HX .y 0)
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define RIGHTWARD (.x globalTransform.yx .y 1)
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define LEFTWARD (.x [- globalTransform.yx] .y [-1])
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define [normalize a] : begin {
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local m : Math.hypot a.x a.y
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return (.x [a.x / m] .y [a.y / m])
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}
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# Style parameters
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define O para.o
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define OXHOOK para.oxhook
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define HOOK para.hook
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define AHOOK para.ahook
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define SHOOK para.shook
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define RHOOK para.rhook
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define HOOKX para.hookx
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define SMOOTH para.smooth
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define SMALLSMOOTH para.smallsmooth
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define STROKE para.stroke
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define DOTSIZE : fallback para.dotsize STROKE
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define PERIODSIZE : fallback para.periodsize DOTSIZE
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define BARPOS : fallback para.barpos 0.5
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define GBARPOS : fallback para.gbarpos 0.5
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define EBARPOS : fallback para.ebarpos BARPOS
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define OVERLAYPOS para.overlaypos
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define FIVEBARPOS para.fivebarpos
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define LONGJUT para.longjut
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define JUT para.jut
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define ACCENT para.accent
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define ACCENTX para.accentx
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define KAPPA para.kappa
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define BKAPPA : para.bkappa || KAPPA + 0.1
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define KAPPA_SPIRO_ARC : KAPPA + 0.1
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define CKAPPA : para.ckappa || BKAPPA
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define KAPPA_HOOK : fallback para.kappa_hook [BKAPPA + 0.1]
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define KAPPA_AHOOK : fallback para.kappa_ahook KAPPA_HOOK
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define KAPPA_RHOOK : fallback para.kappa_rhook KAPPA_HOOK
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define TAILADJX : WIDTH * 0.2
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define TAILADJY : XH * 0.25
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define ILBALANCE : LONGJUT * 0.04
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define JBALANCE : fallback para.jbalance [STROKE / 2 + ILBALANCE]
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define TBALANCE : fallback para.tbalance JBALANCE
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define TBALANCE2 : fallback para.tbalance2 TBALANCE
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define RBALANCE : fallback para.rbalance [JBALANCE * 0.3]
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define SBALANCE : fallback para.sbalance 0.52
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# derived metrics
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define FULLWIDTH : if para.cjkSpacing [WIDTH * 2] WIDTH
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define XO : XH - O
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define CAPO : CAP - O
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define HALFSTROKE : STROKE / 2
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define RIGHTSB : WIDTH - SB
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define FWRSB : FULLWIDTH - SB
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define MIDDLE : WIDTH / 2
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define FWMIDDLE : FULLWIDTH / 2
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define CAPMIDDLE : CAP / 2
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define CAP_SMOOTH : CAP - SMOOTH
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define DOTRADIUS : DOTSIZE / 2
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define PERIODRADIUS : PERIODSIZE / 2
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define SMOOTHA : SMOOTH - globalTransform.yx * para.smoothadjust
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define SMOOTHB : SMOOTH + globalTransform.yx * para.smoothadjust
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define SMALLSMOOTHA : SMALLSMOOTH - globalTransform.yx * para.smoothadjust
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define SMALLSMOOTHB : SMALLSMOOTH + globalTransform.yx * para.smoothadjust
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define CORRECTION_VX globalTransform.yx
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define CORRECTION_VS : STROKE * globalTransform.yx
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define CORRECTION_OMIDX : globalTransform.yx * 1.2
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define CORRECTION_OMIDS : STROKE * CORRECTION_OMIDX
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# Blackness parameters
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# We will estimate blackness using lower-case 'e'
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define WHITENESS : [[XH - STROKE * 3] * [RIGHTSB - SB] * [1 / 3]] / [XH * [RIGHTSB - SB]]
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define [adviceBlackness crowdedness] : Math.min STROKE [[RIGHTSB - SB] * [1 - WHITENESS] / crowdedness]
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define MVERTSTROKE : adviceBlackness : fallback para.lllcrowdedness [3 + 1 / 3]
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define OPERATORSTROKE : adviceBlackness 3.4
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# Anchor parameters
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define BASE 'base'
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define MARK 'mark'
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define MARKBASE 'markbase'
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define AS_BASE 'AS-BASE'
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define [tm anchor] : return (
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.x [anchor.x * globalTransform.xx + anchor.y * globalTransform.yx + globalTransform.x]
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.y [anchor.x * globalTransform.xy + anchor.y * globalTransform.yy + globalTransform.y]
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.type anchor.type
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)
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define markAboveLower (.anchors (.above [tm (.x MIDDLE .y XH .type BASE)]))
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define markAboveCap (.anchors (.above [tm (.x MIDDLE .y CAP .type BASE)]))
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define markBelowLower (.anchors (.below [tm (.x MIDDLE .y DESCENDER .type BASE)]))
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define markBelowZero (.anchors (.below [tm (.x MIDDLE .y 0 .type BASE)]))
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define markToprightLower (.anchors (.topright [tm (.x RIGHTSB .y XH .type BASE)]))
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define markToprightCap (.anchors (.topright [tm (.x RIGHTSB .y CAP .type BASE)]))
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define markBottomrightLower (.anchors (.bottomright [tm (.x RIGHTSB .y DESCENDER .type BASE)]))
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define markBottomrightZero (.anchors (.bottomright [tm (.x RIGHTSB .y 0 .type BASE)]))
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define [anchorDeriv] : begin {
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local h (.)
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foreach a [items-of arguments] : foreach k [items-of [Object.keys a.anchors]] : begin {
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set h.(k) (.)
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set (.x h.(k).x .y h.(k).y .type h.(k).type .mbx h.(k).mbx .mby h.(k).mby) a.anchors.(k)
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}
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return (.anchors h)
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}
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define [StdAnchorGroup] : begin {
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local a : anchorDeriv.apply null arguments
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set a.anchors.overlay (.type BASE
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.x [mix a.anchors.below.x a.anchors.above.x OVERLAYPOS]
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.y [mix a.anchors.below.y a.anchors.above.y OVERLAYPOS]
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)
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set a.anchors.slash (.type BASE
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.x [mix a.anchors.below.x a.anchors.above.x 0.5]
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.y [mix a.anchors.below.y a.anchors.above.y 0.5]
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)
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return a
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}
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define capitalMarks : StdAnchorGroup markAboveCap markBelowZero markToprightCap markBottomrightZero
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define bMarks : StdAnchorGroup markAboveCap markBelowZero markToprightCap markBottomrightZero
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define eMarks : StdAnchorGroup markAboveLower markBelowZero markToprightLower markBottomrightZero
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define pMarks : StdAnchorGroup markAboveLower markBelowLower markToprightLower markBottomrightLower
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define ifMarks : StdAnchorGroup markAboveCap markBelowLower markToprightCap markBottomrightLower
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### Necessary macros
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# Remap Glyph's methods to macros in order to simplify writing
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define-macro set-width : syntax-rules { @`[set-width @::args] ('.syntactic-closure' @`[currentGlyph.set-width @::args] env) }
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define-macro start-from : syntax-rules { @`[start-from @::args] ('.syntactic-closure' @`[currentGlyph.start-from @::args] env) }
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define-macro line-to : syntax-rules { @`[line-to @::args] ('.syntactic-closure' @`[currentGlyph.line-to @::args] env) }
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define-macro curve-to : syntax-rules { @`[curve-to @::args] ('.syntactic-closure' @`[currentGlyph.curve-to @::args] env) }
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define-macro cubic-to : syntax-rules { @`[cubic-to @::args] ('.syntactic-closure' @`[currentGlyph.cubic-to @::args] env) }
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define-macro arc-hv-to : syntax-rules { @`[arc-hv-to @::args] ('.syntactic-closure' @`[currentGlyph.arc-hv-to @::args] env) }
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define-macro arc-vh-to : syntax-rules { @`[arc-vh-to @::args] ('.syntactic-closure' @`[currentGlyph.arc-vh-to @::args] env) }
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define-macro include : syntax-rules { @`[include @::args] ('.syntactic-closure' @`[currentGlyph.include @::args] env) }
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define-macro create-stroke : syntax-rules { @`[create-stroke @::args] ('.syntactic-closure' @`[currentGlyph.create-stroke @::args] env) }
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define-macro set-anchor : syntax-rules { @`[set-anchor @::args] ('.syntactic-closure' @`[currentGlyph.set-anchor @::args] env) }
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define-macro apply-transform : syntax-rules { @`[apply-transform @::args] ('.syntactic-closure' @`[currentGlyph.apply-transform @::args] env) }
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define-macro reverse-last : syntax-rules { @`[reverse-last @::args] ('.syntactic-closure' @`[currentGlyph.reverse-last @::args] env) }
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define-macro dont-export : syntax-rules {
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@`[dont-export] (".syntactic-closure" @`[set currentGlyph.dontExport true] env)
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}
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define-macro assign-unicode : syntax-rules {
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@`[assign-unicode @code] (".syntactic-closure" @`[begin {
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currentGlyph.assign-unicode @code
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set unicodeGlyphs.(currentGlyph.unicode`[currentGlyph.unicode.length - 1]) currentGlyph
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}] env)
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}
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# The macro [glyph-construction] creates a function which builds a glyph.
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define-macro glyph-construction : syntax-rules {
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@`[glyph-construction @::steps] ('.syntactic-closure' @`[lambda [] [begin {
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local currentGlyph this
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currentGlyph.gizmo = globalTransform
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begin @::[steps.map formOf]
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return nothing
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}]] env)
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}
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### Glyph slots and dependency profile generation (used for recursive subfonts)
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local dependencyProfile (.)
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local nTemp 0
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local pickHash : if recursive {
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then : let [h (.)] : begin {
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foreach j [items-of recursive] : set h.(j) j
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* h
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}
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else nothing
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}
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define [create-glyph name actions] : piecewise {
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[name && actions] : begin {
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if [pickHash && [not pickHash.(name)]] : return nothing
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# process.stderr.write : "Building /" + name + [if recursive " (recursive)" ""] + " for " + para.family + ' ' + para.style + "\n"
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set dependencyProfile`name ()
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define glyphObject [new Glyph name]
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glyphObject.set-width WIDTH
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glyphList.push glyphObject
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glyphs`name = glyphObject
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actions.call glyphObject
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foreach d [items-of glyphObject.dependencies] : begin {
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local allAliases : Object.keys glyphs :.filter [[k] -> [glyphs`k === glyphs`d]]
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dependencyProfile`name = [dependencyProfile`name.concat dependencyProfile`d allAliases]
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}
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return glyphObject
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}
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true : begin {
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local actions arguments.0
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local glyphObject [new Glyph ['.temp-' + [set nTemp [inc nTemp]]]]
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glyphObject.set-width WIDTH
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actions.call glyphObject
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return glyphObject
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}
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}
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define [select-variant name unicode default] : begin {
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if [pickHash && [not pickHash.(name)]] : return nothing
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local variant : variantSelector`name || default
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local chosenGlyph glyphs`[name + '.' + variant]
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create-glyph name : glyph-construction {
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include chosenGlyph AS_BASE
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if unicode : assign-unicode unicode
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}
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local allAliases : Object.keys glyphs :.filter [[k] -> [glyphs`k === glyphs.(chosenGlyph.name)]]
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set dependencyProfile`name : allAliases.concat dependencyProfile.(chosenGlyph.name)
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}
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define [italic-variant name unicode] : create-glyph name : glyph-construction {
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if [para.italicangle > 0] {
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then : include glyphs.[name + '.italic'] AS_BASE
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else : include glyphs.[name + '.upright'] AS_BASE
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}
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if unicode : assign-unicode unicode
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}
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define [alias newid unicode oldid] : create-glyph newid : glyph-construction {
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if unicode : assign-unicode unicode
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include glyphs`oldid AS_BASE
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set-width glyphs.(oldid).advanceWidth
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}
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### Spiro constructions
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define [flatten knots] : begin {
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local a ()
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foreach p [items-of knots] : piecewise {
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[p <@ Array] : set a : a.concat [flatten p]
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true : a.push p
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}
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return a
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}
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define [unimportant] : begin {
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if [this.points && this.points.length && this.points.[this.points.length - 1]] : this.points.[this.points.length - 1].subdivided = true
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if [this.controlKnots && this.controlKnots.length && this.controlKnots.[this.controlKnots.length - 1]] : this.controlKnots.[this.controlKnots.length - 1].unimportant = true
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}
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define [important] nothing
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define [afInterpolate before after args] : g2 {
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mix before.x after.x args.rx
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mix before.y after.y args.ry
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fallback args.raf unimportant
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}
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define [bez3 a b c d t] : [1 - t] * [1 - t] * [1 - t] * a + 3 * [1 - t] * [1 - t] * t * b +3 * t * t * [1 - t] * c + t * t * t * d
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define [afInterpolateThem before after args] : begin {
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local knots ()
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foreach (rx ry preserve) [items-of args.rs] : knots.push : g2 [mix before.x after.x rx] [mix before.y after.y ry] : fallback args.raf : match preserve {
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1 before.af
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2 after.af
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otherwise unimportant
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}
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return knots
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}
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define [g4 x y f] (.x x .y y .type 'g4' .af f)
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define [g2 x y f] (.x x .y y .type 'g2' .af f)
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define [corner x y f] (.x x .y y .type 'corner' .af f)
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define [flat x y f] (.x x .y y .type 'left' .af f)
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define [curl x y f] (.x x .y y .type 'right' .af f)
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define [close f] (.type 'close' .af f)
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define [end f] (.type 'end' .af f)
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define [prepare f] (.type 'prepare' .af f)
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define [widths l r] : lambda [] : this.set-width l r
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define [widths.lhs w] : prepare : widths [fallback w STROKE] 0
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define [widths.rhs w] : prepare : widths 0 [fallback w STROKE]
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define [widths.center w] : prepare : widths [[fallback w STROKE] / 2] [[fallback w STROKE] / 2]
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define [widths.heading l r d] : lambda [] : begin { this.set-width l r; this.heads-to d }
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define [heading d] : lambda [] : this.heads-to d
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define [alsothru rx ry raf] (.type 'interpolate' .rx rx .ry ry .raf raf .af afInterpolate)
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define [alsothruthem rs raf] (.type 'interpolate' .rs rs .raf raf .af afInterpolateThem)
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define [bezcontrols x1 y1 x2 y2 _samples raf] : begin {
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local samples : fallback _samples 5
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local tiny 0.005
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local rs ()
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foreach j [range 1 samples] : rs.push : list {
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bez3 0 x1 x2 1 [mix tiny [1 - tiny] [j / samples]]
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bez3 0 y1 y2 1 [mix tiny [1 - tiny] [j / samples]]
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}
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alsothruthem rs raf
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}
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define [quadcontrols x1 y1 samples raf] : bezcontrols [x1 * 2 / 3] [y1 * 2 / 3] [mix 1 x1 [2 / 3]] [mix 1 y1 [2 / 3]] samples raf
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define [archv samples] : bezcontrols KAPPA_SPIRO_ARC 0 1 [1 - KAPPA_SPIRO_ARC] samples
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define [arcvh samples] : bezcontrols 0 KAPPA_SPIRO_ARC [1 - KAPPA_SPIRO_ARC] 1 samples
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define [complexThru] : begin {
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local a : ().slice.call arguments
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return (.type 'interpolate' .af [lambda [before after args] : begin {
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local ks ()
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foreach knot [items-of a] : ks.push [knot.af.call this before after knot]
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return ks
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}])
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}
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define [prepareSpiroKnots knots s] : begin {
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local closed false
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local lastafs ()
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while [knots.0 && knots.0.type === 'prepare'] : begin {
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knots.0.af.call s
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set knots : knots.slice 1
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}
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while [knots.[knots.length - 1] && [knots.[knots.length - 1].type === 'close' || knots.[knots.length - 1].type === 'end']] : begin {
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set closed : knots.[knots.length - 1].type === 'close'
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lastafs.push knots.[knots.length - 1].af
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set knots : knots.slice 0 [-1]
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}
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set knots : flatten knots
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if closed : knots.push knots.0
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foreach j [range 0 knots.length] : if [knots.(j) && knots.(j).type === 'interpolate'] : begin {
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set knots.(j) : knots.(j).af.call s knots.[j - 1] knots.[j + 1] knots.(j)
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}
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if closed : knots.pop
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return (.knots [flatten knots] .closed closed .lastafs lastafs)
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}
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define [spiro-stroke] : begin {
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local s : new Stroke
|
|
s.set-transform globalTransform
|
|
s.set-samples 1
|
|
local (.knots knots .closed closed .lastafs lastafs) : prepareSpiroKnots [().slice.call arguments 0] s
|
|
libspiro.spiroToBezierOnContext knots closed s
|
|
foreach af [items-of lastafs] : if af : af.call s
|
|
return s
|
|
}
|
|
define [spiro] : begin {
|
|
local s : new SpiroExpansionContext
|
|
set s.gizmo globalTransform
|
|
local (.knots knots .closed closed .lastafs lastafs) : prepareSpiroKnots [().slice.call arguments 0] s
|
|
foreach knot [items-of knots] : let [ty knot.type] [af knot.af] : begin {
|
|
set knot.af : lambda [] : begin {
|
|
this.set-type ty
|
|
if af : af.apply this arguments
|
|
}
|
|
}
|
|
libspiro.spiroToBezierOnContext knots closed s
|
|
foreach af [items-of lastafs] : if af : af.call s
|
|
local (.lhs lhs .rhs rhs) : s.expand
|
|
if closed {
|
|
then {
|
|
local g : new Glyph
|
|
libspiro.spiroToBezierOnContext [lhs.slice 0 [-1]] true g
|
|
local lhsContour g.contours.0
|
|
set g.contours ()
|
|
libspiro.spiroToBezierOnContext [rhs.reverse :.slice 0 [-1]] true g
|
|
local rhsContour g.contours.0
|
|
set g.contours ([lhsContour.concat rhsContour])
|
|
}
|
|
else {
|
|
local g : new Glyph
|
|
lhs.0.type = rhs.0.type = lhs.[lhs.length - 1].type = rhs.[rhs.length - 1].type = 'corner'
|
|
libspiro.spiroToBezierOnContext [lhs.concat : rhs.reverse] true g
|
|
}
|
|
}
|
|
return g.contours
|
|
}
|
|
define [spiro-outline] : let [k : ().slice.call arguments 0] : glyph-construction {
|
|
local (.knots knots .closed closed .lastafs lastafs) : prepareSpiroKnots k this
|
|
libspiro.spiroToBezierOnContext knots closed this
|
|
foreach af [items-of lastafs] : if af : af.call this
|
|
}
|
|
|
|
###### HERE WE GO!
|
|
|
|
### Metadata
|
|
# Font names
|
|
set font.name.fontFamily para.family
|
|
set font.name.fontSubFamily para.style
|
|
set font.name.preferredFamily para.family
|
|
set font.name.preferredSubFamily para.style
|
|
set font.name.uniqueSubFamily : para.family + ' ' + para.style + ' ' + para.version
|
|
set font.name.version para.version
|
|
set font.name.fullName : if [para.style != 'Regular'] [para.family + ' ' + para.style] para.family
|
|
set font.name.postScriptName : font.name.fullName.replace [regex ' ' 'g'] '-'
|
|
set font.name.copyright para.copyright
|
|
set font.'OS/2'.usWeightClass para.weight
|
|
set font.'OS/2'.bProportion 9 # Monospaced
|
|
set font.'OS/2'.bWeight : 1 + para.weight / 100
|
|
set font.'OS/2'.fsSelection : [if para.isBold 32 0] + [if para.isItalic 1 0] + [if [[not para.isBold] && [not para.isItalic]] 64 0] + 128
|
|
set font.'OS/2'.sFamilyClass : 8 * 0x100 + 9
|
|
set font.post.isFixedPitch 1
|
|
set font.head.macStyle : [if para.isBold 1 0] + [if para.isItalic 2 0]
|
|
|
|
# Metric metadata
|
|
# Note: we use 1000upm in design, and 4096upm in production
|
|
|
|
define upmscale : fallback para.upmscale 1
|
|
|
|
let [asc : 1250 * CAP / [CAP - DESCENDER]] [desc : 1250 * DESCENDER / [CAP - DESCENDER]] : begin {
|
|
set font.head.unitsPerEm 1000
|
|
set font.hhea.ascent asc
|
|
set font.'OS/2'.usWinAscent asc
|
|
set font.'OS/2'.sTypoAscender asc
|
|
set font.hhea.descent desc
|
|
set font.'OS/2'.usWinDescent [Math.abs desc]
|
|
set font.'OS/2'.sTypoDescender desc
|
|
set font.hhea.lineGap [CAP * 0.2]
|
|
set font.'OS/2'.sTypoLineGap [CAP * 0.2]
|
|
set font.'OS/2'.sxHeight XH
|
|
set font.post.italicAngle [0 - para.italicangle]
|
|
}
|
|
|
|
# Necessary notdef glyph
|
|
create-glyph '.notdef' : glyph-construction {
|
|
start-from SB 0
|
|
line-to SB CAP
|
|
line-to RIGHTSB CAP
|
|
line-to RIGHTSB 0
|
|
|
|
start-from [SB + STROKE] STROKE
|
|
line-to [RIGHTSB - STROKE] STROKE
|
|
line-to [RIGHTSB - STROKE] [CAP - STROKE]
|
|
line-to [SB + STROKE] [CAP - STROKE]
|
|
}
|
|
create-glyph 'space' : glyph-construction {
|
|
set-width WIDTH
|
|
assign-unicode ' '
|
|
include eMarks
|
|
}
|
|
|
|
# ASCII
|
|
$$include 'glyphs/common-shapes.patel'
|
|
$$include 'glyphs/overmarks.patel'
|
|
$$include 'glyphs/latin-basic-capital.patel'
|
|
$$include 'glyphs/latin-basic-lower.patel'
|
|
$$include 'glyphs/numbers.patel'
|
|
$$include 'glyphs/symbol-ascii.patel'
|
|
|
|
# Extended
|
|
$$include 'glyphs/greek.patel'
|
|
$$include 'glyphs/cyrillic-basic.patel'
|
|
$$include 'glyphs/latin-extend-basis.patel'
|
|
$$include 'glyphs/latin-extend-decorated.patel'
|
|
$$include 'glyphs/cyrillic-extended.patel'
|
|
$$include 'glyphs/symbol-punctuation.patel'
|
|
$$include 'glyphs/symbol-math.patel'
|
|
$$include 'glyphs/symbol-letter.patel'
|
|
$$include 'glyphs/symbol-geometric.patel'
|
|
$$include 'glyphs/symbol-other.patel'
|
|
$$include 'glyphs/autobuilds.patel'
|
|
|
|
### Zoom all glyphs by para.upmscale
|
|
|
|
set font.head.unitsPerEm : upmscale * font.head.unitsPerEm
|
|
set font.hhea.ascent : upmscale * font.hhea.ascent
|
|
set font.'OS/2'.usWinAscent : upmscale * font.'OS/2'.usWinAscent
|
|
set font.'OS/2'.sTypoAscender : upmscale * font.'OS/2'.sTypoAscender
|
|
set font.hhea.descent : upmscale * font.hhea.descent
|
|
set font.'OS/2'.usWinDescent : upmscale * font.'OS/2'.usWinDescent
|
|
set font.'OS/2'.sTypoDescender : upmscale * font.'OS/2'.sTypoDescender
|
|
set font.hhea.lineGap : upmscale * font.hhea.lineGap
|
|
set font.'OS/2'.sTypoLineGap : upmscale * font.'OS/2'.sTypoLineGap
|
|
set font.'OS/2'.sxHeight : upmscale * font.'OS/2'.sxHeight
|
|
|
|
if [upmscale != 1] : foreach glyph [items-of glyphList] : begin {
|
|
glyph.advanceWidth = glyph.advanceWidth * upmscale
|
|
if glyph.contours: foreach contour [items-of glyph.contours] : foreach point [items-of contour] : begin {
|
|
point.x = point.x * upmscale
|
|
point.y = point.y * upmscale
|
|
}
|
|
}
|
|
|
|
# We will uprightify all italic glyphs before outputing
|
|
# to prevent rounding error for common glyphs
|
|
local finalUprightify : Upright
|
|
finalUprightify.x = 0
|
|
finalUprightify.y = 0
|
|
if [not recursive] : foreach glyph [items-of glyphList] : begin {
|
|
glyph.apply-transform finalUprightify
|
|
glyph.cleanup
|
|
}
|
|
|
|
set font.glyfMap glyphs
|
|
return font
|
|
}
|
|
|
|
exports.build = buildFont |