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Optimize bar stroke width for Cyrillic Lower Ef. (#2526)

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John McWilliams 2024-10-02 12:14:48 -04:00 • committed by GitHub
parent af57ccbc9e
commit fdcae239ed
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2 changed files with 33 additions and 29 deletions
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4
changes/31.8.0.md
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@ -2,5 +2,7 @@
- LATIN EPIGRAPHIC LETTER ARCHAIC M (`U+A7FF`) (#2517).
- MUSICAL SYMBOL RINFORZANDO (`U+1D18C`) ... MUSICAL SYMBOL FORTE (`U+1D191`) (#2522).
* Improve glyph for Cyrillic I (`И`/`и`) under slab (#2489).
- Bulgarian locale (`'BGR'`) uses original style for capital.
- Bulgarian locale (`'BGR '`) uses original style for capital.
* Optimize glyph for Tonos Above (`U+0384`) in accented Greek letters.
* Optimize stroke width of bar for split bowl variants of Cyrillic Lower Ef (`ф`).
* Optimize glyph for Cyrillic Capital Ef (`Ф`) under Bulgarian locale (`'BGR '`) under slab.

54
packages/font-glyphs/src/letter/greek/phi.ptl
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@ -59,52 +59,52 @@ glyph-block Letter-Greek-Phi : begin
flat (df.middle - [HSwToV : 0.5 * df.mvs]) [mix y2 y3 0.66]
curl (df.middle - [HSwToV : 0.5 * df.mvs]) (y2 + 0.2 * df.mvs) [heading Downward]
define [StraightBar df y1 y2 y3 y4] : glyph-proc
include : VBar.m df.middle y1 (y2 + HalfStroke)
include : VBar.m df.middle (y3 - HalfStroke) y4
define [StraightBar df y1 y2 y3 y4 sw] : glyph-proc
include : VBar.m df.middle y1 (y2 + HalfStroke) sw
include : VBar.m df.middle (y3 - HalfStroke) y4 sw
define [CursiveBar df y1 y2 y3 y4] : glyph-proc
define [CursiveBar df y1 y2 y3 y4 sw] : glyph-proc
local hd : FlatHookDepth df
local xCrossLeft : mix 0 df.leftSB [mix 1 df.div 2]
local xCrossRight : mix df.width df.rightSB [mix 1 df.div 2]
local xBarLeft : df.middle - [HSwToV HalfStroke]
local xBarRight : df.middle + [HSwToV HalfStroke]
local xBarLeft : df.middle - [HSwToV : 0.5 * sw]
local xBarRight : df.middle + [HSwToV : 0.5 * sw]
include : dispiro
flat xCrossRight y4 [widths.lhs]
flat xCrossRight y4 [widths.lhs sw]
curl [Math.min (xBarLeft + hd.x) (xCrossRight - TINY)] y4
archv
flat xBarLeft [Math.max y3 (y4 - hd.y)]
curl xBarLeft (y3 + O)
include : dispiro
flat xCrossLeft y1 [widths.lhs]
flat xCrossLeft y1 [widths.lhs sw]
curl [Math.max (xBarRight - hd.x) (xCrossLeft + TINY)] y1
archv
flat xBarRight [Math.min y2 (y1 + hd.y)]
curl xBarRight (y2 - O)
define [DiagonalTailCursiveBar df y1 y2 y3 y4] : glyph-proc
define [DiagonalTailCursiveBar df y1 y2 y3 y4 sw] : glyph-proc
local hd : FlatHookDepth df
local xCrossRight : mix df.width df.rightSB [mix 1 df.div 2]
local xBarLeft : df.middle - [HSwToV HalfStroke]
local xBarLeft : df.middle - [HSwToV : 0.5 * sw]
include : dispiro
flat xCrossRight y4 [widths.lhs]
flat xCrossRight y4 [widths.lhs sw]
curl [Math.min (xBarLeft + hd.x) (xCrossRight - TINY)] y4
archv
flat xBarLeft [Math.max y3 (y4 - hd.y)]
curl xBarLeft (y3 + O)
include : dispiro
flat df.middle (y2 - O) [widths.center.heading Stroke Downward]
DiagTail.L df.middle y1 [DiagTail.StdDepth df Stroke] Stroke
flat df.middle (y2 - O) [widths.center.heading sw Downward]
DiagTail.L df.middle y1 [DiagTail.StdDepth df sw] sw
define [MtSerif df y] : tagged 'serifMT' : HSerif.lt df.middle y Jut
define [MbSerif df y] : tagged 'serifMB' : HSerif.mb df.middle y Jut
define [MtSerif df y sw] : tagged 'serifMT' : HSerif.lt df.middle y Jut sw
define [MbSerif df y sw] : tagged 'serifMB' : HSerif.mb df.middle y Jut sw
define [GrekCapitalPhiImpl fFlatTB df] : glyph-proc
local y2 : mix [if SLAB Stroke 0] [if SLAB (CAP - Stroke) CAP] 0.125
@ -130,8 +130,10 @@ glyph-block Letter-Greek-Phi : begin
local df : include : DivFrame para.diversityM 3
include : df.markSet.capital
local top : CAP + LongJut - [if SLAB 0 HalfStroke]
local bot : 0 - LongJut + [if SLAB 0 HalfStroke]
local vJut : Math.max (LongJut - 0.5 * Stroke) : if SLAB (1.25 * Stroke - O) 0
local top : CAP + vJut
local bot : 0 - vJut
include : ExtendAboveBaseAnchors top
include : ExtendBelowBaseAnchors bot
@ -179,8 +181,8 @@ glyph-block Letter-Greek-Phi : begin
define CyrlLowerEfConfig : SuffixCfg.weave
object # bowl
"" VarPhiRing
splitBowl CyrlEfSplitRing
"" { VarPhiRing Stroke }
splitBowl { CyrlEfSplitRing [DivFrame para.diversityM 3].mvs }
object # bar
serifless { StraightBar nothing nothing }
topSerifed { StraightBar MtSerif nothing }
@ -188,21 +190,21 @@ glyph-block Letter-Greek-Phi : begin
cursive { CursiveBar nothing nothing }
diagonalTailedCursive { DiagonalTailCursiveBar nothing nothing }
foreach { suffix { Bowl { Bar sMT sMB } } } [Object.entries CyrlLowerEfConfig] : do
foreach { suffix { { Bowl barSw } { Bar sMT sMB } } } [Object.entries CyrlLowerEfConfig] : do
create-glyph "cyrl/ef.\(suffix)" : glyph-proc
local df : include : DivFrame para.diversityM 3
include : df.markSet.bp
include : Bowl 1 df 0 XH
include : Bar df Descender 0 XH Ascender
if sMT : include : sMT df Ascender
if sMB : include : sMB df Descender
include : Bar df Descender 0 XH Ascender barSw
if sMT : include : sMT df Ascender barSw
if sMB : include : sMB df Descender barSw
create-glyph "cyrl/ef.BGR.\(suffix)" : glyph-proc
local df : include : DivFrame para.diversityM 3
include : df.markSet.bp
include : VarPhiRing 0 df 0 XH
include : Bar df Descender 0 XH Ascender
if sMT : include : sMT df Ascender
if sMB : include : sMB df Descender
include : Bar df Descender 0 XH Ascender barSw
if sMT : include : sMT df Ascender barSw
if sMB : include : sMB df Descender barSw
select-variant 'cyrl/ef' 0x444
select-variant 'cyrl/ef.BGR'