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Fix overlapping serifs of italic Yat (#2061).

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be5invis 2023-10-23 17:42:35 -07:00
parent a2e77efa76
commit 6495d7d30d
5 changed files with 35 additions and 12 deletions
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1
changes/27.3.2.md Normal file
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@ -0,0 +1 @@
* Fix overlapping serifs of italic Yat (#2061).

7
font-src/glyphs/letter/cyrillic/nje.ptl
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@ -19,10 +19,11 @@ glyph-block Letter-Cyrillic-Nje : begin
define SLAB-ALL 4
define [LeftHalf slabType df top] : glyph-proc
include : VBar.l df.leftSB 0 top df.mvs
include : HBar.m df.leftSB df.middle (top / 2)
local dfSub : df.slice 3 2
include : VBar.l dfSub.leftSB 0 top dfSub.mvs
include : HBar.m dfSub.leftSB dfSub.rightSB (top / 2)
local sf : [SerifFrame.fromDf df top 0].slice 0 1
local sf : SerifFrame.fromDf dfSub top 0
include : match slabType
[Just SLAB-NONE] : glyph-proc
[Just SLAB-TOP-LEFT] : begin sf.lt.outer

3
font-src/glyphs/letter/cyrillic/yat.ptl
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@ -101,12 +101,13 @@ glyph-block Letter-Cyrillic-Yat : begin
local df : include : DivFrame para.diversityM 3
include : df.markSet.e
local xMidBarLeft : df.middle - [HSwToV : 0.5 * df.mvs]
local xMidBarLeft : df.middle - [HSwToV : 0.5 * df.mvs]
include : Yeri XH xMidBarLeft df.rightSB
stroke -- df.mvs
yStart -- (XH - SmallArchDepthB)
eject-contour 'serifYeriLT'
eject-contour 'serifYeriLB'
select-variant 'cyrl/Yat' 0x462 (follow -- 'cyrl/YeriBar')
select-variant 'cyrl/yat.upright' (follow -- 'cyrl/yeriBar')

34
font-src/glyphs/letter/latin/lower-n.ptl
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@ -19,9 +19,18 @@ glyph-block Letter-Latin-Lower-N : begin
if trAnchor : set-base-anchor 'trailing' (trAnchor.x + SideJut) trAnchor.y
define [NHTB df top] : VBar.l df.leftSB 0 top
define [NTopLeftSerif df top] : begin [local sf : SerifFrame.fromDf df top 0] sf.lt.outer
define [NBottomLeftSerif df y] : begin [local sf : SerifFrame.fromDf df Ascender y] sf.lb.full
define [NBottomLeftOuterSerif df y] : begin [local sf : SerifFrame.fromDf df Ascender y] sf.lb.outer
define [NTopLeftSerif df top] : begin
local sf : SerifFrame.fromDf df top 0
return sf.lt.outer
define [NBottomLeftSerif df y] : begin
local sf : SerifFrame.fromDf df Ascender y
return sf.lb.full
define [NBottomLeftOuterSerif df y] : begin
local sf : SerifFrame.fromDf df Ascender y
return sf.lb.outer
define [NBottomLeftYatSerif df y] : begin
local sf : SerifFrame.fromDf df Ascender y
return : if sf.enoughSpaceForFullSerifs sf.lb.full sf.lb.outer
define [NBottomRightSerifUpright df y] : glyph-proc
local sf : SerifFrame.fromDf df Ascender y
@ -31,6 +40,9 @@ glyph-block Letter-Latin-Lower-N : begin
local sf : SerifFrame.fromDf df Ascender y
include sf.rb.outer
include : AdjustTrailingAnchor
define [NBottomRightYatSerif df y] : begin
local sf : SerifFrame.fromDf df Ascender y
return : if sf.enoughSpaceForFullSerifs sf.rb.full [no-shape]
define [EaredBody top left right yBR sw] : glyph-proc
include : VBar.l left 0 top sw
@ -94,6 +106,13 @@ glyph-block Letter-Latin-Lower-N : begin
__ NTopLeftSerif
begin NBottomLeftSerif
if (tail != 'tailed') NBottomRightSerifUpright
serifedItalicYat : list
match body
([Just "earlessCorner"] || [Just "earlessRounded"]) nothing
([Just "earlessCornerHTB"] || [Just "earlessRoundedHTB"]) NHTB
__ NTopLeftSerif
begin NBottomLeftYatSerif
begin NBottomRightYatSerif
foreach { suffix { Body tailed {sLT sLB sRB} } } [Object.entries NConfig] : do
create-glyph "n.\(suffix)" : glyph-proc
@ -219,11 +238,12 @@ glyph-block Letter-Latin-Lower-N : begin
local df : include : DivFrame para.diversityM 3
include : df.markSet.e
local xMidBarRight : df.middle + [HSwToV : 0.5 * df.mvs]
include : Body XH df.leftSB xMidBarRight (XH - SmallArchDepthB - 0.1) df.mvs
local dfSub : df.slice 3 2
include : Body XH dfSub.leftSB dfSub.rightSB (XH - SmallArchDepthB - 0.1) dfSub.mvs
if sLT : include : sLT df XH
if sLB : include : sLB df 0
if sLT : include : sLT dfSub XH
if sLB : include : sLB dfSub 0
if sRB : include : sRB dfSub 0
select-variant 'n' 'n'
link-reduced-variant 'n/sansSerif' 'n' MathSansSerif

2
params/variants.toml
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@ -3051,7 +3051,7 @@ selectorAffix."grek/eta" = { if = [{ body = "normal" }], then = "topLeftSerifed"
selectorAffix."grek/eta/sansSerif" = "serifless"
selectorAffix."cyrl/pe.italic" = "serifed"
selectorAffix."cyrl/peItalicDescBase" = "serifed"
selectorAffix."cyrl/yat.italic/base" = "serifed"
selectorAffix."cyrl/yat.italic/base" = "serifedItalicYat"