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Iosevka/glyphs/common-shapes.ptl
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2016-01-08 23:11:19 +08:00

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###### COMMON GLYPH CONSTRUCTIONS
define [select-variant name unicode default featureSelector] : begin
if (pickHash && [not pickHash.(name)]) : return nothing
local variant : variantSelector.(name) || default
local chosenGlyph glyphs.((name + '.' + variant))
create-glyph name : glyph-construction
include chosenGlyph AS_BASE
if unicode : assign-unicode unicode
if featureSelector : set currentGlyph.featureSelector featureSelector
define [italic-variant name unicode] : create-glyph name : glyph-construction
if para.isItalic
then : include glyphs.(name + '.italic') AS_BASE
else : include glyphs.(name + '.upright') AS_BASE
if unicode : assign-unicode unicode
define [alias newid unicode oldid] : begin
create-glyph newid : glyph-construction
if unicode : assign-unicode unicode
include glyphs.(oldid) AS_BASE
set-width glyphs.(oldid).advanceWidth
set this.featureSelector glyphs.(oldid).featureSelector
define [composite newid] : let [parts : {}.slice.call arguments 1] : begin
create-glyph [fallback newid ('glyph' + [set nTemp (nTemp + 1)])] : glyph-construction
local first true
foreach [part : items-of parts] : begin
include part first
set first false
define [into-unicode code] : glyph-construction
if code : assign-unicode code
# Transformation variants
define [turned newid unicode id x y mark] : create-glyph [fallback newid : 'turn' + id] : glyph-construction
if unicode : assign-unicode unicode
include glyphs.(id) [if mark false AS_BASE]
if mark : include mark
include : FlipAround x y
# Dual derivatives
define [dual newid unicode id spacing] : create-glyph [fallback newid : 'double' + id] : glyph-construction
if unicode : assign-unicode unicode
include glyphs.(id) AS_BASE
apply-transform : Translate (-spacing) 0
include glyphs.(id)
apply-transform : Translate (spacing / 2) 0
define [vdual newid unicode id spacing] : create-glyph [fallback newid : 'double' + id] : glyph-construction
if unicode : assign-unicode unicode
include : create-glyph : glyph-construction
include glyphs.(id)
apply-transform : Upright
apply-transform : Translate 0 (-spacing)
include : create-glyph : glyph-construction
include glyphs.(id)
apply-transform : Upright
apply-transform : Translate 0 (spacing / 2)
apply-transform : Italify
# Full-width derivatives
define [fwl newid unicode id] : create-glyph [fallback newid : 'fwl' + id] : glyph-construction
if unicode : assign-unicode unicode
include glyphs.(id)
set-width FULLWIDTH
define [fwr newid unicode id] : create-glyph [fallback newid : 'fwr' + id] : glyph-construction
if unicode : assign-unicode unicode
include glyphs.(id)
set-width FULLWIDTH
apply-transform : Translate (FULLWIDTH - WIDTH) 0
define [dwl newid unicode id] : create-glyph [fallback newid : 'dwl' + id] : glyph-construction
if unicode : assign-unicode unicode
include glyphs.(id)
set-width UPM
define [dwr newid unicode id] : create-glyph [fallback newid : 'dwr' + id] : glyph-construction
if unicode : assign-unicode unicode
include glyphs.(id)
set-width UPM
apply-transform : Translate (UPM - WIDTH) 0
define [dwc newid unicode id] : create-glyph [fallback newid : 'dwc' + id] : glyph-construction
if unicode : assign-unicode unicode
include glyphs.(id)
set-width UPM
apply-transform : Translate ((UPM - WIDTH) / 2) 0
###### COMMON SHAPES
define [Ring u d l r transformShiftOnly] : create-glyph : glyph-construction
local my ((u + d) / 2)
local mx ((l + r) / 2)
currentGlyph.gizmo = [if transformShiftOnly [Translate 0 0] globalTransform]
include : spiro-outline
begin [lambda : set this.gizmo currentGlyph.gizmo]
g4 mx d
archv
g4 l my
arcvh
g4 mx u
archv
g4 r my
arcvh
close [lambda : begin [set this.angles 4] [set this.fairGizmo currentGlyph.gizmo]]
if transformShiftOnly : begin
local {.x mx1 .y my1} [tp globalTransform {.x mx .y my}]
apply-transform : Translate (mx1 - mx) (my1 - my)
define [RingAt x y r] : Ring (y + r) (y - r) (x - r) (x + r)
define [DotAt x y r] : Ring (y + r) (y - r) (x - r) (x + r) true
define [OShape u d l r _width _sma _smb ai] : glyph-construction
local middle : (l + r) / 2
local width : fallback _width STROKE
local sma : fallback _sma SMALLSMOOTHA
local smb : fallback _smb SMALLSMOOTHB
local mc : CORRECTION_OMIDX * width
if (u - d > sma + smb) : then : begin
include : dispiro
widths width 0
g4 (middle - mc) (u - O)
archv
[if ai flat.ai flat] (l + OX) (u - sma)
[if ai curl.ai curl] (l + OX) (d + smb)
arcvh
g4 (middle + mc) (d + O)
archv
[if ai flat.ai flat] (r - OX) (d + sma)
[if ai curl.ai curl] (r - OX) (u - smb)
arcvh
close
: else : begin
local ymiddlea : mix d u (smb / (sma + smb))
local ymiddleb : mix d u (sma / (sma + smb))
include : dispiro
widths width 0
g4 (middle - mc) (u - O)
archv
g4 (l + OX) ymiddlea
arcvh
g4 (middle + mc) (d + O)
archv
g4 (r - OX) ymiddleb
arcvh
close
define [OBarLeftShape _top _left] : glyph-construction
local top : fallback _top XH
local left : fallback _left SB
local fine SHOULDERFINE
local st : shoulderMidSlope fine nothing 1
local sb : shoulderMidSlope fine nothing (-1)
local mt : [mix left RIGHTSB 0.5] + (st - CORRECTION_OMIDX) * STROKE
local mb : [mix left RIGHTSB 0.5] + (sb + CORRECTION_OMIDX) * STROKE
include : dispiro
widths.lhs
g4 (mt) (top - O) [heading {.y (-1) .x (-st)}]
archv
flat (left + (STROKE - fine) * HVCONTRAST) (top - SMALLSMOOTHA) [widths fine 0]
curl (left + (STROKE - fine) * HVCONTRAST) (0 + SMALLSMOOTHB) [widths fine 0]
arcvh
g4 (mb) O [widths.heading STROKE 0 {.y (1) .x (-sb)}]
archv
[if ((SMALLSMOOTHA + SMALLSMOOTHB) / top > 0.75) flat.ai flat] (RIGHTSB - OX) (0 + SMALLSMOOTHA)
[if ((SMALLSMOOTHA + SMALLSMOOTHB) / top > 0.75) curl.ai curl] (RIGHTSB - OX) (top - SMALLSMOOTHB)
arcvh
close
define [OBarRightShape top right] : glyph-construction
include : create-glyph [OBarLeftShape top (WIDTH - [fallback right RIGHTSB])]
include : FlipAround MIDDLE ([fallback top XH] / 2)
define SERIF_SHIFT_X 0.6
define [LeftwardTopSerif x y length _sw] : glyph-construction
local sw : fallback _sw STROKE
include : dispiro
flat (x + HALFSTROKE * HVCONTRAST) y [widths.heading sw 0 LEFTWARD]
curl (x - length - TANSLANT * (sw * SERIF_SHIFT_X)) y
define [LeftwardBottomSerif x y length _sw] : glyph-construction
local sw : fallback _sw STROKE
include : dispiro
flat (x + HALFSTROKE * HVCONTRAST) y [widths.heading 0 sw LEFTWARD]
curl (x - length + TANSLANT * (sw * SERIF_SHIFT_X)) y
define [RightwardTopSerif x y length _sw] : glyph-construction
local sw : fallback _sw STROKE
include : dispiro
flat (x - HALFSTROKE * HVCONTRAST) y [widths.heading 0 sw RIGHTWARD]
curl (x + length - TANSLANT * (sw * SERIF_SHIFT_X)) y
define [RightwardBottomSerif x y length _sw] : glyph-construction
local sw : fallback _sw STROKE
include : dispiro
flat (x - HALFSTROKE * HVCONTRAST) y [widths.heading sw 0 RIGHTWARD]
curl (x + length + TANSLANT * (sw * SERIF_SHIFT_X)) y
define [CenterTopSerif x y length _sw] : glyph-construction
local sw : fallback _sw STROKE
include : dispiro
flat (x + length - TANSLANT * (sw * SERIF_SHIFT_X)) y [widths sw 0]
curl (x - length - TANSLANT * (sw * SERIF_SHIFT_X)) y
define [CenterBottomSerif x y length _sw] : glyph-construction
local sw : fallback _sw STROKE
include : dispiro
flat (x + length + TANSLANT * (sw * SERIF_SHIFT_X)) y [widths 0 sw]
curl (x - length + TANSLANT * (sw * SERIF_SHIFT_X)) y
define [DownwardRightSerif x y length sw] : glyph-construction
include : dispiro
widths.rhs sw
flat x y [heading DOWNWARD]
curl x (y - length) [heading DOWNWARD]
define [UpwardRightSerif x y length sw] : glyph-construction
include : dispiro
widths.lhs sw
flat x y [heading UPWARD]
curl x (y + length) [heading UPWARD]
define [DownwardLeftSerif x y length sw] : glyph-construction
include : dispiro
widths.lhs sw
flat x y [heading DOWNWARD]
curl x (y - length) [heading DOWNWARD]
define [UpwardLeftSerif x y length sw] : glyph-construction
include : dispiro
widths.rhs sw
flat x y [heading UPWARD]
curl x (y + length) [heading UPWARD]
define sideSerifK 0.5
define [AIVSerifs top _left _right] : glyph-construction
local left : fallback _left SB
local right : fallback _right RIGHTSB
if SLAB : begin
include : CenterTopSerif (left + STROKE * sideSerifK * HVCONTRAST) top JUT
tag-contour 'serifLT'
include : CenterTopSerif (right - STROKE * sideSerifK * HVCONTRAST) top JUT
tag-contour 'serifRT'
define [AIHSerifs top _left _right] : glyph-construction
local left : fallback _left SB
local right : fallback _right RIGHTSB
if SLAB : begin
include : AIVSerifs top _left _right
include : CenterBottomSerif (left + STROKE * sideSerifK * HVCONTRAST) 0 JUT
include : CenterBottomSerif (right - STROKE * sideSerifK * HVCONTRAST) 0 JUT
define [AINSerifs top _left _right sw xn] : glyph-construction
local left : fallback _left SB
local right : fallback _right RIGHTSB
local jut : JUT * [fallback xn 1]
if SLAB : begin
include : LeftwardTopSerif (left + sw * (sideSerifK - 0.5) * HVCONTRAST) top (jut - sw / 2 * HVCONTRAST)
include : CenterTopSerif (right - sw * sideSerifK * HVCONTRAST) top jut
include : CenterBottomSerif (left + sw * sideSerifK * HVCONTRAST) 0 jut
tag-contour 'serifLB'
#include : CenterdBottomSerif (right - STROKE * (sideSerifK - 0.5) * HVCONTRAST) 0 (JUT / 2)
define [AICyrISerifs top _left _right] : glyph-construction
local left : fallback _left SB
local right : fallback _right RIGHTSB
if SLAB : begin
include : LeftwardBottomSerif left 0 SIDEJUT
include : RightwardTopSerif right top SIDEJUT
include : CenterTopSerif (left + STROKE * sideSerifK * HVCONTRAST) top JUT
include : CenterBottomSerif (right - STROKE * sideSerifK * HVCONTRAST) 0 JUT
tag-contour 'serifRB'
define [AIMSerifs top _left _right] : glyph-construction
local left : fallback _left SB
local right : fallback _right RIGHTSB
if SLAB : begin
include : LeftwardTopSerif (left + STROKE * (sideSerifK - 0.5) * HVCONTRAST) top SIDEJUT
include : RightwardTopSerif (right - STROKE * (sideSerifK - 0.5) * HVCONTRAST) top SIDEJUT
include : CenterBottomSerif (left + STROKE * sideSerifK * HVCONTRAST) 0 JUT
include : CenterBottomSerif (right - STROKE * sideSerifK * HVCONTRAST) 0 JUT
define [halfXStrand _leftx lefty rightx righty turn straight tension _fine] : glyph-construction
local leftx : _leftx + (HALFSTROKE * HVCONTRAST * [if (rightx > _leftx) 1 (-1)])
local fine : (_fine || STROKE) * 0.5
local turnyleft : mix lefty righty turn
local cyleft : mix turnyleft righty tension
local straightxleft : mix leftx rightx straight
local straightyleft : mix cyleft righty straight
include : dispiro
widths.center
flat leftx lefty [heading [if (lefty < righty) UPWARD DOWNWARD]]
curl leftx turnyleft [heading [if (lefty < righty) UPWARD DOWNWARD]]
quadcontrols 0 ((cyleft - turnyleft) / (straightyleft - turnyleft)) 24
flat straightxleft straightyleft
curl rightx righty
end [function : set this.cleanmore true]
define [xStrand _leftx lefty _rightx righty turn straight tension] : glyph-construction
local middlex : mix _leftx _rightx 0.5
local middley : mix lefty righty 0.5
include : halfXStrand _leftx lefty middlex middley turn straight tension
include : halfXStrand _rightx righty middlex middley turn straight tension
define [nShoulderKnots] : params [left right [fine SHOULDERFINE] [top XH] [bottom 0] [sma SMALLSMOOTHA] [smb SMALLSMOOTHB] [stroke STROKE]] : begin
local slope : shoulderMidSlope fine stroke
local middle : [mix (left - stroke * HVCONTRAST) right 0.5] + (slope - CORRECTION_OMIDX) * stroke
return : list
flat left (top - sma - 2) [widths fine 0]
curl left (top - sma)
arcvh
g4 middle (top - O) [widths.heading 0 stroke {.y (1) .x (slope)}]
archv
flat right (top - smb)
curl right bottom [heading DOWNWARD]
define [nShoulder] : begin
local a arguments
glyph-construction
include : dispiro : nShoulderKnots.apply null a
define [mShoulderSpiro] : params [left right top bottom width fine] : glyph-construction
local fix : TANSLANT * STROKE * HVCONTRAST * width / STROKE
local sm : SMALLSMOOTH * 0.75
include : spiro-outline
corner (right - width * HVCONTRAST) bottom
curl (right - width * HVCONTRAST) (top - sm + fix)
arcvh 8 'no-tiny'
g2 [mix left (right - width * HVCONTRAST) 0.5] (top - O - width)
archv 8 'no-tiny'
flat left (top - sm - fix)
corner left (top - sm - fix - 1)
corner (left - fine) (top - sm - 1)
curl (left - fine) (top - sm)
arcvh 8 'no-tiny'
g2 [mix (left - fine * HVCONTRAST) right 0.5] (top - O)
archv 8 'no-tiny'
flat right (top - sm)
corner right bottom
close
define [HBar xleft xright y _fine] : glyph-construction
include : dispiro
widths.center [fallback _fine STROKE]
flat xleft y [heading RIGHTWARD]
curl xright y [heading RIGHTWARD]
define [HBarTop xl xr y _fine] : HBar xl xr (y - [fallback _fine STROKE] * 0.5) _fine
define [HBarBottom xl xr y _fine] : HBar xl xr (y + [fallback _fine STROKE] * 0.5) _fine
define [HOverlayBar xleft xright y s] : dispiro
widths.center [fallback s OVERLAYSTROKE]
flat xleft y
curl xright y
define [VBar x ydown yup _fine] : glyph-construction
local fine : fallback _fine STROKE
include : dispiro
widths.center fine
flat x ydown [heading [if (ydown < yup) UPWARD DOWNWARD]]
curl x yup [heading [if (ydown < yup) UPWARD DOWNWARD]]
define [VBarLeft x yd yu _fine] : VBar (x + [fallback _fine STROKE] * 0.5 * HVCONTRAST) yd yu _fine
define [VBarRight x yd yu _fine] : VBar (x - [fallback _fine STROKE] * 0.5 * HVCONTRAST) yd yu _fine
define [VerticalHook x y extend depth fine strg] : glyph-construction
include : dispiro
widths.center [fallback fine STROKE]
flat x (y + [fallback strg 0]) [heading [if (depth > 0) DOWNWARD UPWARD]]
curl x (y - [if (depth > 0) 0.01 (-0.01)]) [heading [if (depth > 0) DOWNWARD UPWARD]]
arcvh
flat (x + extend - [if (extend > 0) 0.01 (-0.01)]) (y - depth)
curl (x + extend) (y - depth)
define [LegShape] : params [[ztop nothing (xt <> top)] [zbot nothing (xs <> bottom)] xb [fine STROKE]] : glyph-construction
include : dispiro
widths.lhs fine
flat xt top [heading DOWNWARD]
curl xb (bottom + LONGJUT)
alsothruthem {{0.5 0.94}}
g4.left.end xs (bottom + fine) [heading LEFTWARD]
define [LeftHook x y xextend] : glyph-construction
local fine : adviceBlackness 4.25
include : dispiro
widths.lhs fine
flat [fallback xextend : x + 1] y
curl x y
archv 8
g4.down.end (x - LeftHook.extension) (y - HOOKX) [heading DOWNWARD]
set LeftHook.extension [Math.max (WIDTH * 0.15) ([adviceBlackness 4.25] * 1.5)]
define [HooktopLeftBar stroke bottom] : glyph-construction
include : dispiro
widths.lhs [fallback stroke STROKE]
g4 RIGHTSB (CAP - HOOK)
hookstart CAPO
flat SB (CAP - SMALLSMOOTHA)
curl SB [fallback bottom 0] [heading DOWNWARD]
define [CurlyTail] : params [fine rinner xleft bottom right x2 y2 [adj 0.4] [adj2 0.4] [adj3 0]] : begin
local ltr : right > xleft
set right : right - fine * [if ltr 1 (-1)]
local mid : mix [mix xleft right 0.5] (right - rinner * [if ltr 1 (-1)]) adj
local midu : mix [mix xleft right 0.5] (right - rinner * [if ltr 1 (-1)]) adj2
return : list
g4.[if ltr 'right' 'left'].mid (mid + CORRECTION_OMIDX * fine * adj3 * [if ltr 1 (-1)]) (bottom + fine + O) [widths [if ltr 0 fine] [if ltr fine 0]]
archv 2
g4 right (bottom + fine + rinner - 0.1)
g4 right (bottom + fine + rinner + 0.1)
arcvh 2
g4 mid (bottom + fine + rinner * 2 - O)
alsothruthem {{0.25 0.06} {0.52 0.25}} important
g4 x2 y2
define [HCurlyTail fine wide rinner left m1 _right x1 x2 y2] : glyph-construction
local right : _right - fine
local mid : right - rinner + O
include : dispiro
widths.rhs wide
flat left wide [heading RIGHTWARD]
curl m1 wide [heading RIGHTWARD]
archv 8
g4 right (wide + rinner - O / 2) [widths.heading 0 fine {.x (-HVCONTRAST) .y ((wide - fine) / (wide + rinner * 2 - O))}]
arcvh 8
g4.left.mid mid (wide + rinner * 2 - O) [heading LEFTWARD]
quadcontrols ((x1 - mid) / (x2 - mid)) 0 8
g4 x2 y2
define [FlatSlashShape middlex middle fine kx ky] : glyph-construction
include : dispiro
flat (middlex - LONGJUT * [fallback kx 0.8]) (middle - LONGJUT * [fallback ky 0.4]) [widths fine fine]
curl (middlex + LONGJUT * [fallback kx 0.8]) (middle + LONGJUT * [fallback ky 0.4])
# Spiro shapes
define [determineMixR w v u sw] : begin
local r : piecewise
(w <= v) 0.5
true : 1 / ([Math.pow (1 - [Math.pow (1 - v / w) SUPERNESS]) (1 / SUPERNESS)] + 1)
local idepth : w - sw
local iwidth : u * r - sw
if (iwidth > 0 && idepth > 0 && iwidth / idepth >= 2) : begin
local adjust : clamp 0.975 1 (1 - (iwidth / idepth - 2) * 0.0125)
#console.log iwidth idepth (iwidth / idepth) adjust
r = r * adjust
return r
define nHookSegments 12
define [HookShape toStraight toFinish isStart y tight s kkaf dontadjust] : begin
local atBottom : toStraight.y > y
local sw : fallback s STROKE
local ltr : if isStart (toFinish.x < toStraight.x) (toFinish.x > toStraight.x)
local dtu : if isStart (y > toFinish.y) (y < toFinish.y)
if [not dontadjust] : begin
toFinish.x = toFinish.x + OXHOOK * [if ltr (-1) 1] * [if isStart (-1) 1]
if (atBottom && ltr && !isStart) : begin
toFinish.x = toFinish.x + TAILADJX * TANSLANT
toFinish.y = toFinish.y - TAILADJY * TANSLANT
local w : Math.abs (toStraight.y - y)
local v : Math.abs (toFinish.y - y)
local u : Math.abs (toFinish.x - toStraight.x)
local mixr : determineMixR w v u sw
local mx ([mix toStraight.x toFinish.x mixr] + ([if (tight && tight.shift) tight.shift (1 - (tight || 0))] * [if atBottom 1 (-1)] * CORRECTION_OMIDX) * sw)
local keyKnot : g4.[if ltr "right" "left"].mid mx y [fallback kkaf : if tight [let [s : if ltr RIGHTWARD LEFTWARD] [heading {.x (s.x * [fallback tight.skew 1]) .y s.y}]] nothing]
local faf toFinish.af
set toFinish.af : lambda [] : begin
local rad : Math.min w (mixr * u)
local skew0 : [clamp 0 w (w - v)] / rad + ([clamp 1 1.5 (mixr * u / w)] - 1) * 0.5
local depth : v + skew0 * sw - sw
local shallowLimit (sw * 0.5)
local skew : clamp 0 (1 / 2) : skew0 + [clamp 0 shallowLimit (shallowLimit - depth)] / rad
if faf : faf.apply this arguments
this.heads-to {
.x (CONTRAST / [Math.sqrt : 1 + skew * skew] * [if dtu (-1) 1])
.y (skew / [Math.sqrt : 1 + skew * skew] * [if ltr 1 (-1)])
}
local segBefore {}
local segAfter {}
foreach [j : range 1 nHookSegments] : begin
local fraction : j / nHookSegments
local fractionAfter : fraction * (1 - mixr) / mixr
local myfinal : superxy ((1 - mixr) / mixr)
segBefore.push : g4 [mix mx toStraight.x fraction] [mix y toStraight.y (1 - [superxy fraction])] unimportant
segAfter.push : g4 [mix mx toFinish.x fraction] [mix y toFinish.y ((1 - [superxy fractionAfter]) / (1 - myfinal))] unimportant
if (!tight && w < u * mixr) : set segAfter {}
if isStart
: then : return : list
segAfter.reverse
* keyKnot
* segBefore
: else : return : list
segBefore.reverse
* keyKnot
* segAfter
define [hookstart] : params [y tight sw kkaf dontadjust] : return {
.type 'interpolate'
.af [lambda [before after] [HookShape after before true y tight sw kkaf dontadjust]]
}
define [hookend] : params [y tight sw kkaf dontadjust] : return {
.type 'interpolate'
.af [lambda [before after] [HookShape before after false y tight sw kkaf dontadjust]]
}
define [WaveShape] : params [l r cy extendy tension sw] : glyph-construction
local cx : mix l r 0.5
local wavex : (r - l) * tension
local endwavey : extendy * 0.97
include : dispiro
widths.center sw
g4 l (cy - endwavey)
bezcontrols.absolute (l + wavex) (cy + extendy) (cx - wavex * 0.8) (cy + extendy) 8 important
g4 cx cy
bezcontrols.absolute (cx + wavex * 0.8) (cy - extendy) (r - wavex) (cy - extendy) 8 important
g4 r (cy + endwavey)
define [CyrDescender x shift] : glyph-construction
local descenderOverflow : if SLAB SIDEJUT ((RIGHTSB - SB) * [fallback shift 0.1])
include : VBarRight (x + descenderOverflow + 0.25 * STROKE) (HALFSTROKE - LONGJUT) STROKE
if (!SLAB && descenderOverflow > STROKE * 0.75) : include : HBarTop (x - HALFSTROKE * HVCONTRAST) (x + descenderOverflow) STROKE
# Derived subfonts
define [refair g] : begin
foreach [j : range 0 g.contours.length] : begin
set g.contours.(j) : fairify g.contours.(j) globalTransform g.dense
return nothing
define [Fork gs ps] : begin
# BFS construct ShouldBuildList
local sbh {.}
local found true
local PENDING 1
local CHECKED 2
foreach [glyphid : items-of gs] : set sbh.(glyphid) PENDING
while found : begin
set found false
foreach [glyphid : items-of : Object.keys sbh] : if (sbh.(glyphid) === PENDING) : begin
set sbh.(glyphid) CHECKED
if dependencyProfile.(glyphid) : foreach [k : items-of dependencyProfile.(glyphid)] : if [not sbh.(k)] : begin
set sbh.(k) PENDING
set found true
local shouldBuildList : Object.keys sbh :.filter ([x] => [not [not x]])
#console.log shouldBuildList
local shouldBuildUnicodes : shouldBuildList.map ([x] => [if (glyphs.(x) && glyphs.(x).unicode) glyphs.(x).unicode.0 nothing])
:.filter ([x] => [not [not x]])
local p : Object.create ps
try : begin
local forkFont : buildFont.call [TempFont] p shouldBuildList shouldBuildUnicodes
: ex
: begin
if ex.glyfMap : return ex.glyfMap
: else : throw ex
return forkFont.glyfMap
define [Miniature] : params [glyphs crowd scale [slantAngle para.slantAngle] unfair [sbscale 0.5]] : begin
local forkedPara : Object.create para
forkedPara.stroke = [adviceBlackness crowd] / scale
forkedPara.ess = para.ess * forkedPara.stroke / para.stroke
forkedPara.sb = SB * sbscale
forkedPara.slantAngle = slantAngle
forkedPara.unfair = unfair
return : Fork glyphs forkedPara
define [Thinner glyphs p] : begin
local forkedPara : Object.create para
forkedPara.width = WIDTH * p
forkedPara.accentx = ACCENTX * p
forkedPara.jut = JUT * p
forkedPara.longjut = LONGJUT * p
#forkedPara.hookx = HOOKX * p
return : Fork glyphs forkedPara
define [Widen glyphs p psb] : begin
local forkedPara : Object.create para
forkedPara.width = WIDTH * p
forkedPara.sb = SB * [fallback psb p]
forkedPara.accentx = ACCENTX * p
forkedPara.jut = JUT * p
forkedPara.longjut = LONGJUT * p
forkedPara.hookx = HOOKX * p
forkedPara.smoothadjust = para.smoothadjust * p
return : Fork glyphs forkedPara
# Composite transformations
define [FlipAround x y sx sy] : glyph-construction
apply-transform : Upright
apply-transform : Translate (-x) (-y)
apply-transform : Scale [fallback sx (-1)] [fallback sy sx (-1)]
apply-transform : Translate x y
apply-transform : Italify