Refactor of y
This commit is contained in:
be5invis
parent
cd6c43efe8
commit
aab298f771
1 changed files with 195 additions and 165 deletions
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@ -20,6 +20,12 @@ glyph-block Letter-Latin-Lower-Y : begin
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define SLAB-MOTION { false false true }
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define SLAB-CURSIVE-MOTION { true true true }
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define TS-NONE 0
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define TS-HOOKTOP 1
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define SHRINK-NONE 0
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define SHRINK-INNER 1
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define BS-STRAIGHT 0
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define BS-TURN 1
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define BS-LOOP 2
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@ -33,209 +39,233 @@ glyph-block Letter-Latin-Lower-Y : begin
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local slabCurlyNoTurnB : doSlabBottom && !straightBar && !bottomShape
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local bottomIsNotVertical : doSlabBottom || useStraightBottom || bottomShape
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local px1 0.84
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local py1 : [StrokeWidthBlend 0.8 0.76] * [if slabCurly [StrokeWidthBlend 1 0.9] 1]
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local px2 : if slabCurlyNoTurnB px1 0.95
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local py2VertBot : 0.88 * [if slabCurly [StrokeWidthBlend 1 0.9] 1]
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local py2 : if slabCurlyNoTurnB py1 : if bottomIsNotVertical 0.97 py2VertBot
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local pds 0.1
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local pds2 0.01
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local dpy1 : (1 - [linreg (1 - px2) (1 - py2) px1 py1 1]) / (1 - py1)
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local dpy2 : (1 - [linreg (1 - px1) (1 - py1) px2 py2 1]) / (1 - py2)
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local yrstrokel0 : Middle - Width * 0.1
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local yrstrokel : Middle - Width * 0.1 + ([HSwToV Stroke] * [if bottomIsNotVertical (2 / 3) (1 / 3)] * [if slabCurly [StrokeWidthBlend 0.95 0.97] 1])
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local yrstroker : Width - SB * [if straightBar DesignParameters.straightSmallYShapeSbShrink 1]
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local yshrink : [StrokeWidthBlend 1 0.85] * [if straightBar ([AdviceStroke 3.25] / Stroke) 1]
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local yBottomJut : Jut * 1.25
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local slabysize : Jut * 1.25 * (Width / UPM) + Stroke
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local slabyvx 0.625
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define yBottomJut : Jut * 1.25
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define slabysize : yBottomJut * (Width / UPM) + Stroke
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define [CalcDS top bottom] : begin
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local pds 0.1
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local pds2 0.01
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local slabyvx 0.625
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local ds0 : (top - bottom) * pds
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local ds20 : (top - bottom) * pds2
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local ds : if slabCurly [Math.max [AdviceStroke2 3 6 (top - bottom)] ds0] ds0
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local ds2 : if slabCurlyNoTurnB ds : ds20 + [if bottomIsNotVertical (slabysize * slabyvx) 0]
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return {ds ds2}
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define [yDiagCor dy] : DiagCor dy (yrstroker - yrstrokel) 0 0
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define [Metrics ts kShrink] : namespace
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define pxHookTopOffset : [StrokeWidthBlend (0.5 * TailX) (0.375 * TailX)] / (RightSB - SB)
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export : define px1 : 0.84 - [if (ts == TS-HOOKTOP) pxHookTopOffset 0]
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export : define py1 : [StrokeWidthBlend 0.8 0.76] * [if slabCurly [StrokeWidthBlend 1 0.9] 1]
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export : define px2 : if slabCurlyNoTurnB px1 0.95
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export : define py2VertBot : 0.88 * [if slabCurly [StrokeWidthBlend 1 0.9] 1]
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export : define py2 : if slabCurlyNoTurnB py1 : if bottomIsNotVertical 0.97 py2VertBot
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export : define dpy1 : (1 - [linreg (1 - px2) (1 - py2) px1 py1 1]) / (1 - py1)
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export : define dpy2 : (1 - [linreg (1 - px1) (1 - py1) px2 py2 1]) / (1 - py2)
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define [yTopKnots x top bottom ds dir] : begin
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local hs : HalfStroke * [if straightBar [yDiagCor (top - bottom)] 1]
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local hl : hs - hs * dir
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local hr : hs + hs * dir
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if straightBar : return : list
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flat x top [widths.heading hl hr Downward]
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: else : return : list
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flat x top [widths.heading hl hr Downward]
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curl x (top - ds) [widths.heading hl hr Downward]
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quadControls 0 dpy1 16
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define yrstrokel0 : Middle - Width * 0.1
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export : define yrstrokel : Middle - Width * 0.1 + ([HSwToV Stroke] * [if bottomIsNotVertical (2 / 3) (1 / 3)] * [if slabCurly [StrokeWidthBlend 0.95 0.97] 1])
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export : define yrstroker : Width - SB * [if straightBar DesignParameters.straightSmallYShapeSbShrink 1]
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define [yOgonekAttach top bottom shrink hooktop] : glyph-proc
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define {ds ds2} : CalcDS top bottom
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define coJoinX : if (straightBar && (! hooktop)) yrstroker [mix yrstrokel yrstroker px1]
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define coJoinY : if (straightBar && (! hooktop)) top [mix (bottom + ds2) (top - ds) py1]
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define joinX : mix yrstrokel yrstroker (1 - px2)
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define joinY : mix (bottom + ds2) (top - ds) (1 - py2)
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export : define yshrink : mix 1 ([StrokeWidthBlend 1 0.85] * [if straightBar ([AdviceStroke 3.25] / Stroke) 1]) kShrink
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define anchorX : mix coJoinX joinX ((0 - coJoinY) / (joinY - coJoinY))
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set-base-anchor 'trailing' anchorX 0
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OgonekTrY.set currentGlyph
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export : define [diagCor dy] : DiagCor dy (yrstroker - yrstrokel) 0 0
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define [px1HooktopAdj hooktop] : begin
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return : px1 - [if hooktop ([StrokeWidthBlend (0.5 * TailX) (0.375 * TailX)] / (RightSB - SB)) 0]
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export : define [yJoinProportion x] : linreg
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1 - px2
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1 - py2
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if (straightBar && ts != TS-HOOKTOP) 1 px1
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if (straightBar && ts != TS-HOOKTOP) 1 py1
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(x - yrstrokel) / (yrstroker - yrstrokel)
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define [yBaseKnots top bottom shrink hooktop] : begin
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define {ds ds2} : CalcDS top bottom
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export : define [yJoinHeight top bottom] : begin
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local {ds ds2} : CalcDS top bottom
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return : mix (bottom + ds2) (top - ds) [yJoinProportion Middle]
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define coJoinX : mix yrstrokel yrstroker [px1HooktopAdj hooktop]
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define coJoinY : mix (bottom + ds2) (top - ds) py1
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define joinX : mix yrstrokel yrstroker (1 - px2)
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define joinY : mix (bottom + ds2) (top - ds) (1 - py2)
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define [ConnectZ shrink] : curl joinX joinY [widths.rhs : Stroke * shrink]
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export : define [createSplitMask top bottom dir elev] : begin
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local {ds ds2} : CalcDS top bottom
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local jp0 : yJoinProportion (Width / 2 - Width / 2 * dir)
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local jp1 : yJoinProportion (Width / 2 + Width / 2 * dir)
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local hs : 0.75 * Stroke
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local yLeft : [mix (bottom + ds2) (top - ds) jp1] + hs - [fallback elev 0]
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local yRight : [mix (bottom + ds2) (top - ds) jp0] + hs - [fallback elev 0]
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local yMin : Math.min bottom yLeft yRight
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return : spiro-outline
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corner Width yMin
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corner Width yRight
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corner 0 yLeft
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corner 0 yMin
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define [RightHalf ts kShrink] : namespace
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local me : Metrics ts kShrink
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return : list
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if (straightBar && !hooktop)
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then : list
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else : list [flat coJoinX coJoinY]
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piecewise
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useStraightBottom : list
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ConnectZ shrink
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curl [mix yrstroker joinX ((top - bottom) / (top - joinY))] bottom [widths.heading 0 (Stroke * [yDiagCor (top - bottom)]) Downward]
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(bottomShape == BS-LOOP) : begin
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local joinHeight1 : yJoinHeight ds ds2 top bottom false
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local k : 1 / [Math.sin : Math.atan2 (joinX - Middle) (joinY - joinHeight1)] - 0.25
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local joinHeight3 : [Math.abs k] * Stroke + joinHeight1
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local deltaX : Math.max yBottomJut [HSwToV : 1.2 * Stroke]
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local fine : AdviceStroke 3
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local xLoopLeft : Math.max (SB * -0.25) [mix joinX (yrstrokel - deltaX) 2]
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local xCenter : mix xLoopLeft joinX 0.5
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list
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ConnectZ shrink
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g4.left.mid ([Math.min (yrstrokel - deltaX) xCenter] + CorrectionOMidS) bottom [widths.rhs]
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archv
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g4.up.mid xLoopLeft [mix bottom joinHeight3 0.5] [widths.rhs.heading fine Upward]
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arcvh
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flat xCenter joinHeight3 [heading Rightward]
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curl Middle joinHeight3 [heading Rightward]
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(bottomShape == BS-TURN) : list
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ConnectZ shrink
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flat (yrstrokel - slabysize) bottom [widths.rhs]
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curl [Math.min (yrstrokel - slabysize - 0.1) (yrstrokel - Stroke - yBottomJut)] bottom
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export : define [topKnots top bottom] : begin
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local {ds} : CalcDS top bottom
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return : piecewise
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(ts == TS-HOOKTOP) : list
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straight.left.start ([mix me.yrstrokel me.yrstroker me.px1] - HalfStroke + 0.875 * TailX) (top - Stroke - O) [widths.rhs]
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alsoThruThem {{[StrokeWidthBlend 0.58 0.65] 0.2} {[StrokeWidthBlend 0.78 0.85] 0.5}} important
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straightBar : list
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flat me.yrstroker top [widths.rhs.heading ([me.diagCor (top - bottom)] * Stroke) Downward]
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true : list
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ConnectZ 1
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quadControls 1 (1 - dpy2) 16
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flat yrstrokel (bottom + ds2) [widths.heading 0 Stroke Downward]
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curl yrstrokel bottom [widths.heading 0 Stroke Downward]
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flat me.yrstroker top [widths.rhs.heading Stroke Downward]
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curl me.yrstroker (top - ds) [heading Downward]
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quadControls 0 me.dpy1 16
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define [yBaseSerif top bottom] : glyph-proc
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local {ds ds2} : CalcDS top bottom
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define joinX : mix yrstrokel yrstroker (1 - px2)
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define joinY : mix (bottom + ds2) (top - ds) (1 - py2)
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export : define [baseKnots top bottom] : begin
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define {ds ds2} : CalcDS top bottom
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if bottomShape : return nothing
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if (useStraightBottom) : begin
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local xBaseKnot : mix yrstroker joinX ((top - bottom) / (top - joinY))
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include : HSerif.lb (xBaseKnot - [HSwToV HalfStroke]) bottom yBottomJut
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: else : begin
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include : HSerif.lb (yrstrokel - [HSwToV HalfStroke]) bottom yBottomJut
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define coJoinX : mix me.yrstrokel me.yrstroker me.px1
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define coJoinY : mix (bottom + ds2) (top - ds) me.py1
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define joinX : mix me.yrstrokel me.yrstroker (1 - me.px2)
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define joinY : mix (bottom + ds2) (top - ds) (1 - me.py2)
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define [ConnectZ shrink] : curl joinX joinY [widths.rhs : Stroke * shrink]
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define [yJoinProportion hooktop x] : linreg
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1 - px2
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1 - py2
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if (straightBar && !hooktop) 1 [px1HooktopAdj hooktop]
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if (straightBar && !hooktop) 1 py1
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(x - yrstrokel) / (yrstroker - yrstrokel)
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return : list
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if (straightBar && ts != TS-HOOKTOP)
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then : list
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else : list [flat coJoinX coJoinY]
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define [yJoinHeight ds ds2 top bottom hooktop] : begin
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return : mix (bottom + ds2) (top - ds) [yJoinProportion hooktop Middle]
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piecewise
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useStraightBottom : list
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ConnectZ me.yshrink
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curl [mix me.yrstroker joinX ((top - bottom) / (top - joinY))] bottom [widths.rhs.heading ([me.diagCor (top - bottom)] * Stroke) Downward]
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(bottomShape == BS-LOOP) : begin
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local joinHeight1 : me.yJoinHeight top bottom
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local k : 1 / [Math.sin : Math.atan2 (joinX - Middle) (joinY - joinHeight1)] - 0.25
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local joinHeight3 : [Math.abs k] * Stroke + joinHeight1
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local deltaX : Math.max yBottomJut [HSwToV : 1.2 * Stroke]
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local fine : AdviceStroke 3
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local xLoopLeft : Math.max (SB * -0.25) [mix joinX (me.yrstrokel - deltaX) 2]
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local xCenter : mix xLoopLeft joinX 0.5
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list
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ConnectZ me.yshrink
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g4.left.mid ([Math.min (me.yrstrokel - deltaX) xCenter] + CorrectionOMidS) bottom [widths.rhs]
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archv
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g4.up.mid xLoopLeft [mix bottom joinHeight3 0.5] [widths.rhs.heading fine Upward]
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arcvh
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flat xCenter joinHeight3 [heading Rightward]
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curl Middle joinHeight3 [heading Rightward]
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(bottomShape == BS-TURN) : list
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ConnectZ me.yshrink
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flat (me.yrstrokel - slabysize) bottom [widths.rhs]
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curl [Math.min (me.yrstrokel - slabysize - 0.1) (me.yrstrokel - Stroke - yBottomJut)] bottom
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true : list
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ConnectZ 1
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quadControls 1 (1 - me.dpy2) 16
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flat me.yrstrokel (bottom + ds2) [widths.heading 0 Stroke Downward]
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curl me.yrstrokel bottom [widths.heading 0 Stroke Downward]
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define [yJoinKnots ds ds2 top bottom hooktop] : begin
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return : list
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if straightBar : then : list
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: else : list
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flat
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mix (Width - yrstrokel) (Width - yrstroker) px1
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mix (bottom + ds2) (top - ds) py1
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curl Middle
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yJoinHeight ds ds2 top bottom hooktop
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widths.lhs (Stroke * yshrink)
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export : define [baseSerif top bottom] : glyph-proc
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local {ds ds2} : CalcDS top bottom
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define joinX : mix me.yrstrokel me.yrstroker (1 - me.px2)
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define joinY : mix (bottom + ds2) (top - ds) (1 - me.py2)
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define [SmallYStrokeSplitMask top bottom hooktop dir elev] : begin
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local {ds ds2} : CalcDS top bottom
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local jp0 : yJoinProportion hooktop (Width / 2 - Width / 2 * dir)
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local jp1 : yJoinProportion hooktop (Width / 2 + Width / 2 * dir)
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local hs : 0.75 * Stroke
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local yLeft : [mix (bottom + ds2) (top - ds) jp1] + hs - [fallback elev 0]
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local yRight : [mix (bottom + ds2) (top - ds) jp0] + hs - [fallback elev 0]
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local yMin : Math.min bottom yLeft yRight
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return : spiro-outline
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corner Width yMin
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corner Width yRight
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corner 0 yLeft
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corner 0 yMin
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if bottomShape : return nothing
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if (useStraightBottom) : begin
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local xBaseKnot : mix me.yrstroker joinX ((top - bottom) / (top - joinY))
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include : HSerif.lb (xBaseKnot - [HSwToV HalfStroke]) bottom yBottomJut
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: else : begin
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include : HSerif.lb (me.yrstrokel - [HSwToV HalfStroke]) bottom yBottomJut
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export : define [ogonekAttach top bottom] : glyph-proc
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define {ds ds2} : CalcDS top bottom
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define coJoinX : if (straightBar && ts != TS-HOOKTOP) me.yrstroker [mix me.yrstrokel me.yrstroker me.px1]
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define coJoinY : if (straightBar && ts != TS-HOOKTOP) top [mix (bottom + ds2) (top - ds) me.py1]
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define joinX : mix me.yrstrokel me.yrstroker (1 - me.px2)
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define joinY : mix (bottom + ds2) (top - ds) (1 - me.py2)
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define anchorX : mix coJoinX joinX ((0 - coJoinY) / (joinY - coJoinY))
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set-base-anchor 'trailing' anchorX 0
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OgonekTrY.set currentGlyph
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export : define [splitMask top bottom elev] : me.createSplitMask top bottom (-1) elev
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define [LeftHalf ts kShrink] : namespace
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local me : Metrics ts kShrink
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export : define [topKnots top bottom] : begin
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local {ds} : CalcDS top bottom
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if straightBar
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: then : return : list
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flat (Width - me.yrstroker) top [widths.lhs.heading ([me.diagCor (top - bottom)] * Stroke) Downward]
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: else : return : list
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flat (Width - me.yrstroker) top [widths.lhs.heading Stroke Downward]
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curl (Width - me.yrstroker) (top - ds) [heading Downward]
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quadControls 0 me.dpy1 16
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export : define [joinKnots top bottom] : begin
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local {ds ds2} : CalcDS top bottom
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return : list
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if straightBar : then : list
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: else : list
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flat
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mix (Width - me.yrstrokel) (Width - me.yrstroker) me.px1
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mix (bottom + ds2) (top - ds) me.py1
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curl Middle
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me.yJoinHeight top bottom
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widths.lhs (Stroke * me.yshrink)
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export : define [splitMask top bottom elev] : me.createSplitMask top bottom (+1) elev
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export : define [SmallYShape top bottom] : glyph-proc
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local {ds ds2} : CalcDS top bottom
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local right : RightHalf TS-NONE SHRINK-NONE
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local rightSh : RightHalf TS-NONE SHRINK-INNER
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local left : LeftHalf TS-NONE SHRINK-INNER
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include : yOgonekAttach top bottom yshrink
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include : right.ogonekAttach top bottom
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include : union
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intersection
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dispiro
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right.topKnots top bottom
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right.baseKnots top bottom
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left.splitMask top bottom
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include : intersection
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SmallYStrokeSplitMask top bottom false 1
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dispiro
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yTopKnots yrstroker top bottom ds 1
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yBaseKnots top bottom 1
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difference
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dispiro
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right.topKnots top bottom
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rightSh.baseKnots top bottom
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left.splitMask top bottom
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include : difference
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dispiro
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yTopKnots yrstroker top bottom ds 1
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yBaseKnots top bottom yshrink
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SmallYStrokeSplitMask top bottom false 1 1
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include : difference
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dispiro
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yTopKnots (Width - yrstroker) top bottom ds (-1)
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yJoinKnots ds ds2 top bottom
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SmallYStrokeSplitMask top bottom false (-1)
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Rect (bottom + HalfStroke) (bottom - top) 0 Width
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difference
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dispiro
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left.topKnots top bottom
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left.joinKnots top bottom
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right.splitMask top bottom
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Rect (bottom + HalfStroke) (bottom - top) 0 Width
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if doSlabTop : include : let [sf : SerifFrame.fromDf [DivFrame 1] top bottom]
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composite-proc sf.lt.full sf.rt.full
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if doSlabBottom : include : yBaseSerif top bottom
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if doSlabBottom : include : right.baseSerif top bottom
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if doSlabMotion : include : HSerif.lt SB top SideJut
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export : define [SmallYHookTopShape top bottom] : glyph-proc
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local {ds ds2} : CalcDS top bottom
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local right : RightHalf TS-HOOKTOP SHRINK-NONE
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local rightSh : RightHalf TS-HOOKTOP SHRINK-INNER
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local left : LeftHalf TS-NONE SHRINK-INNER
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include : yOgonekAttach top bottom yshrink true
|
||||
include : right.ogonekAttach top bottom
|
||||
include : union
|
||||
intersection
|
||||
dispiro
|
||||
right.topKnots top bottom
|
||||
right.baseKnots top bottom
|
||||
left.splitMask top bottom
|
||||
|
||||
local startX : [mix yrstrokel yrstroker px1] - HalfStroke + [StrokeWidthBlend 0.5 0.75] * TailX
|
||||
local startY : top - Stroke - O
|
||||
difference
|
||||
dispiro
|
||||
right.topKnots top bottom
|
||||
rightSh.baseKnots top bottom
|
||||
left.splitMask top bottom
|
||||
|
||||
local [rightStroke shrink] : dispiro
|
||||
straight.left.start startX startY [widths.rhs]
|
||||
alsoThruThem {{[StrokeWidthBlend 0.58 0.65] 0.2} {[StrokeWidthBlend 0.78 0.85] 0.5}} important
|
||||
yBaseKnots top bottom shrink true
|
||||
difference
|
||||
dispiro
|
||||
left.topKnots top bottom
|
||||
left.joinKnots top bottom
|
||||
right.splitMask top bottom
|
||||
Rect (bottom + HalfStroke) (bottom - top) 0 Width
|
||||
|
||||
include : intersection
|
||||
rightStroke 1
|
||||
SmallYStrokeSplitMask top bottom true 1
|
||||
|
||||
include : difference
|
||||
rightStroke yshrink
|
||||
SmallYStrokeSplitMask top bottom true 1 1
|
||||
|
||||
include : difference
|
||||
dispiro
|
||||
widths.center
|
||||
yTopKnots (Width - yrstroker) top bottom ds (-1)
|
||||
yJoinKnots ds ds2 top bottom true
|
||||
SmallYStrokeSplitMask top bottom true (-1)
|
||||
Rect (bottom + HalfStroke) (bottom - top) 0 Width
|
||||
|
||||
if doSlabTop : include : let [sf : SerifFrame.fromDf [DivFrame 1] top bottom] sf.lt.full
|
||||
if doSlabBottom : include : yBaseSerif top bottom
|
||||
if doSlabTop : include : let [sf : SerifFrame.fromDf [DivFrame 1] top bottom] sf.lt.full
|
||||
if doSlabBottom : include : right.baseSerif top bottom
|
||||
if doSlabMotion : include : HSerif.lt SB top SideJut
|
||||
|
||||
export : define [SmallLambdaShape top bottom] : union : glyph-proc
|
||||
|
|
|
|||
Loading…
Add table
Add a link
Reference in a new issue