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Iosevka/font-src/glyphs/letter/latin/lower-f.ptl
be5invis 6c413e66b6 * [**Breaking**] Fix typo of variant name standing-motion-serifed of capital-r (#1187). 
* [**Breaking**] Change of variant names:
   - `one`.`nobase` → `one`.`no-base`
   - `one`.`nobase-long-top-serif` → `one`.`no-base-long-top-serif`
   - `one`.`nobase-flat-top-serif` → `one`.`no-base-flat-top-serif`
   - `three`.`flattop` → `three`.`flat-top`
   - `three`.`twoarcs` → `three`.`two-arcs`
2021-08-08 17:00:07 -07:00

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$$include '../../../meta/macros.ptl'
import [mix linreg clamp fallback] from '../../../support/utils'
import [Dotless CvDecompose MathSansSerif] from "../../../support/gr"
glyph-module
glyph-block Letter-Latin-Lower-F : begin
glyph-block-import CommonShapes
glyph-block-import Common-Derivatives
glyph-block-import Letter-Shared-Shapes : FlatHookDepth DiagonalTailL DiagonalTailStdDepth
define fbar : XH * DesignParameters.fBarPosToXH + Stroke * DesignParameters.fbarStrokeAdj
define [SmallFBottomSerif df shift] : dispiro
widths.lhs
flat ([mix df.leftSB df.rightSB 0.02] + HalfStroke * TanSlope + (df.rightSB - df.leftSB) * shift) 0
curl ([mix df.leftSB df.rightSB 0.875] + HalfStroke * TanSlope + (df.rightSB - df.leftSB) * shift) 0
define [StdFShapeT sink offset barleft sw] : sink
widths.lhs sw
g4 (RightSB + RBalance2 - (OX - O) - offset) (CAP - Hook * 0.75)
hookstart (CAP - O - offset) (tight -- true)
flat (barleft + offset) (CAP - SmoothA * 0.8)
[if offset corner curl] (barleft + offset) 0 [heading Downward]
if offset {[corner (RightSB + RBalance2 - (OX - O) - offset) 0]} {}
define [SmallFDownExtension barLeft] : VBarLeft barLeft 0.1 (Descender * 0.9)
define [SmallFDownHook df barRight counterHookLeft] : begin
local hd : FlatHookDepth df
return : dispiro
widths.lhs
flat counterHookLeft Descender
curl [Math.max (barRight - hd.x) (counterHookLeft + 0.1)] Descender
archv.superness DesignParameters.tightHookSuperness
flat barRight [Math.min 0 (Descender + hd.y)]
curl barRight 0.1 [heading Upward]
define [SmallFDiagonalTail df barLeft] : begin
local xBarMiddle : barLeft + HalfStroke * HVContrast
return : dispiro
flat xBarMiddle 0.1 [widths.center.heading Stroke Downward]
DiagonalTailL df xBarMiddle Descender [DiagonalTailStdDepth df Stroke] Stroke
glyph-block-export StdSmallFBarLeftPos
define [StdSmallFBarLeftPos barAtCenter] : [mix SB RightSB : if barAtCenter 0.45 0.35] - Stroke * [if barAtCenter 0.45 0.25] * HVContrast
glyph-block-export StdSmallFBarLeftPos0
define [StdSmallFBarLeftPos0] : [mix SB RightSB 0.35] - Stroke * 0.25 * HVContrast
define [StandardSmallFShape df m bh counterHook] : glyph-proc
local barAtCenter : (counterHook === CH-HOOK) || (counterHook === CH-DIAGONAL-HOOK)
local barLeft0 : StdSmallFBarLeftPos0
local barLeft : StdSmallFBarLeftPos barAtCenter
include : StdFShapeT dispiro 0 barLeft0 Stroke
include : Translate (barLeft - barLeft0) 0
include : HCrossBar.top SB [mix SB RightSB m] bh
match counterHook
[Just CH-EXTENSION] : include : SmallFDownExtension barLeft
[Just CH-HOOK] : begin
local barRight : barLeft + Stroke * HVContrast
local crossRight : mix df.width df.rightSB m
local counterHookLeft : Math.max SB : barRight - (crossRight - barLeft)
include : SmallFDownHook df barRight counterHookLeft
[Just CH-DIAGONAL-HOOK] : include : SmallFDiagonalTail df barLeft
[Just CH-SERIF] : include : SmallFBottomSerif df 0
define [NarrowFShape clcStyle] : function [df m bh counterHook] : glyph-proc
local topHookExt : match clcStyle
[Just 1] Width
[Just 2] Jut
__ 0
local topHookHdExt : match clcStyle
[Just 1] 1
__ 0
local crossBarExt : if (clcStyle === 1) Jut 0
local barAtCenter : (counterHook === CH-HOOK) || (counterHook === CH-DIAGONAL-HOOK)
local crossLeft : mix 0 df.leftSB m
local crossRight : mix df.width df.rightSB m
local barLeft : if barAtCenter
df.middle - HalfStroke * HVContrast
[mix crossLeft crossRight 0.42] - Stroke * 0.375 * HVContrast
local hd : FlatHookDepth df
include : dispiro
widths.lhs
flat (crossRight + topHookExt) CAP
curl [Math.min (barLeft + hd.x * (1 + topHookHdExt)) (crossRight - 0.1)] CAP
archv.superness DesignParameters.tightHookSuperness
flat barLeft [Math.max XH (CAP - hd.y)]
curl barLeft 0 [heading Downward]
include : HCrossBar.top crossLeft (crossRight + crossBarExt) bh
match counterHook
[Just CH-EXTENSION] : include : SmallFDownExtension barLeft
[Just CH-HOOK] : begin
local barRight : barLeft + Stroke * HVContrast
local crossRight : mix df.width df.rightSB m
local counterHookLeft : barRight - (crossRight - barLeft)
include : SmallFDownHook df barRight counterHookLeft
[Just CH-DIAGONAL-HOOK] : include : SmallFDiagonalTail df barLeft
[Just CH-SERIF] : include : CenterBottomSerif df.middle 0 (LongJut * df.div)
define CH-NONE 0
define CH-SERIF 1
define CH-EXTENSION 2
define CH-HOOK 3
define CH-DIAGONAL-HOOK 4
define dfNarrowF : DivFrame para.diversityF
define pNarrowSide : mix 1 para.diversityF 1.5
define SmallFConfig : object
'serifless' { { StandardSmallFShape [DivFrame 1] } { 0.95 fbar CH-NONE } { 'b' 'p' } }
'serifed' { { StandardSmallFShape [DivFrame 1] } { 0.95 fbar CH-SERIF } { 'b' 'p' } }
'extended' { { StandardSmallFShape [DivFrame 1] } { 0.95 fbar CH-EXTENSION } { 'if' 'if' } }
'tailed' { { StandardSmallFShape [DivFrame 1] } { 1 fbar CH-HOOK } { 'if' 'if' } }
'diagonalTailed' { { StandardSmallFShape [DivFrame 1] } { 1 fbar CH-DIAGONAL-HOOK } { 'if' 'if' } }
'seriflessCrossbarAtXHeight' { { StandardSmallFShape [DivFrame 1] } { 0.95 XH CH-NONE } { 'b' 'p' } }
'serifedCrossbarAtXHeight' { { StandardSmallFShape [DivFrame 1] } { 0.95 XH CH-SERIF } { 'b' 'p' } }
'extendedCrossbarAtXHeight' { { StandardSmallFShape [DivFrame 1] } { 0.95 XH CH-EXTENSION } { 'if' 'if' } }
'tailedCrossbarAtXHeight' { { StandardSmallFShape [DivFrame 1] } { 1 XH CH-HOOK } { 'if' 'if' } }
'diagonalTailedCrossbarAtXHeight' { { StandardSmallFShape [DivFrame 1] } { 1 XH CH-DIAGONAL-HOOK } { 'if' 'if' } }
'flatHook' { { [NarrowFShape 0] dfNarrowF } { pNarrowSide fbar CH-NONE } { 'b' 'p' } }
'flatHookSerifed' { { [NarrowFShape 0] dfNarrowF } { pNarrowSide fbar CH-SERIF } { 'b' 'p' } }
'flatHookExtended' { { [NarrowFShape 0] dfNarrowF } { pNarrowSide fbar CH-EXTENSION } { 'if' 'if' } }
'flatHookTailed' { { [NarrowFShape 0] dfNarrowF } { pNarrowSide fbar CH-HOOK } { 'if' 'if' } }
'flatHookDiagonalTailed' { { [NarrowFShape 0] dfNarrowF } { pNarrowSide fbar CH-DIAGONAL-HOOK } { 'if' 'if' } }
'flatHookCrossbarAtXHeight' { { [NarrowFShape 0] dfNarrowF } { pNarrowSide XH CH-NONE } { 'b' 'p' } }
'flatHookSerifedCrossbarAtXHeight' { { [NarrowFShape 0] dfNarrowF } { pNarrowSide XH CH-SERIF } { 'b' 'p' } }
'flatHookExtendedCrossbarAtXHeight' { { [NarrowFShape 0] dfNarrowF } { pNarrowSide XH CH-EXTENSION } { 'if' 'if' } }
'flatHookTailedCrossbarAtXHeight' { { [NarrowFShape 0] dfNarrowF } { pNarrowSide XH CH-HOOK } { 'if' 'if' } }
'flatHookDiagonalTailedCrossbarAtXHeight' { { [NarrowFShape 0] dfNarrowF } { pNarrowSide XH CH-DIAGONAL-HOOK } { 'if' 'if' } }
'flatHookCLC1' { { [NarrowFShape 1] dfNarrowF } { pNarrowSide XH CH-NONE } { 'b' 'p' } }
'flatHookSerifedCLC1' { { [NarrowFShape 1] dfNarrowF } { pNarrowSide XH CH-SERIF } { 'b' 'p' } }
'flatHookExtendedCLC1' { { [NarrowFShape 1] dfNarrowF } { pNarrowSide XH CH-EXTENSION } { 'if' 'if' } }
'flatHookTailedCLC1' { { [NarrowFShape 1] dfNarrowF } { pNarrowSide XH CH-HOOK } { 'if' 'if' } }
'flatHookDiagonalTailedCLC1' { { [NarrowFShape 1] dfNarrowF } { pNarrowSide XH CH-DIAGONAL-HOOK } { 'if' 'if' } }
'flatHookCLC2' { { [NarrowFShape 2] dfNarrowF } { pNarrowSide fbar CH-NONE } { 'b' 'p' } }
'flatHookSerifedCLC2' { { [NarrowFShape 2] dfNarrowF } { pNarrowSide fbar CH-SERIF } { 'b' 'p' } }
'flatHookExtendedCLC2' { { [NarrowFShape 2] dfNarrowF } { pNarrowSide fbar CH-EXTENSION } { 'if' 'if' } }
'flatHookTailedCLC2' { { [NarrowFShape 2] dfNarrowF } { pNarrowSide fbar CH-HOOK } { 'if' 'if' } }
'flatHookDiagonalTailedCLC2' { { [NarrowFShape 2] dfNarrowF } { pNarrowSide fbar CH-DIAGONAL-HOOK } { 'if' 'if' } }
foreach { suffix {{Body df} {pBar yBar ch} {mk mkTurn}}} [Object.entries SmallFConfig] : do
create-glyph "f.\(suffix)" : glyph-proc
set-width df.width
include : df.markSet.(mk)
include : Body df pBar yBar ch
turned "turnf.\(suffix)" nothing "f.\(suffix)" df.middle (XH / 2) [df.markSet.(mkTurn)]
select-variant 'f' 'f'
link-reduced-variant 'f/sansSerif' 'f' MathSansSerif
select-variant 'turnf' 0x25F (follow -- 'f')
select-variant 'fLenis' 0xAB35 (shapeFrom -- 'f')
select-variant 'fLTail' 0x192 (shapeFrom -- 'f')
select-variant 'dotlessjWithStrokeAndHook' 0x284 (shapeFrom -- 'turnf')
select-variant 'f/compLigLeft1' (shapeFrom -- 'f')
select-variant 'f/compLigLeft2' (shapeFrom -- 'f')
select-variant 'f/phoneticLeft' (shapeFrom -- 'f')
glyph-block-import Letter-Blackboard : BBS BBD
create-glyph 'mathbb/f' 0x1D557 : glyph-proc
include : MarkSet.b
local barLeft : [mix SB RightSB 0.35] - BBD * 0.25 * HVContrast
include : StdFShapeT dispiro 0 barLeft BBS
include : intersection
VBarLeft (barLeft + BBD) 0 CAP BBS
StdFShapeT spiro-outline 1 barLeft BBS
include : difference
HCrossBar.top SB [mix SB RightSB 0.95] fbar BBS
Rect CAP 0 barLeft (barLeft + BBD)
include : HBarBottom barLeft (barLeft + BBD) 0 BBS
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