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Optimize serifed semi-chancery variants for x. (#2557)

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* Optimize serifed semi-chancery variants for `x`.

* cleanup

* fix mistakes.

* Cleanup.
This commit is contained in:
John McWilliams 2024-10-20 17:27:04 -04:00 • committed by GitHub
parent 50f37ec716
commit 0c42345409
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2 changed files with 13 additions and 7 deletions
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changes/31.9.2.md
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@ -4,3 +4,4 @@
- LONG RIGHT TACK (`U+27DD`).
- LONG LEFT TACK (`U+27DE`).
- UP ARROW THROUGH CIRCLE (`U+29BD`).
* Optimize `semi-chancery-straight-serifed` and `semi-chancery-curly-serifed` variants for `x` (`cv58`).

19
packages/font-glyphs/src/letter/latin/x.ptl
View file

@ -51,7 +51,7 @@ glyph-block Letter-Latin-X : begin
include : HalfXStrand stb slab xLeft yLeft xMid yMid turn pStraight tension _sw (-0.001)
include : HalfXStrand stb slab xRight yRight xMid yMid turn pStraight tension _sw (-0.001)
define [XChanceryStrand sign leftX leftY rightX rightY fHalf _sw] : begin
define [XChanceryStrand sign fSlab leftX leftY rightX rightY fHalf _sw] : begin
local sw : fallback _sw Stroke
local blendK1X : StrokeWidthBlend 0.58 0.65
local blendK1Y 0.2
@ -63,17 +63,22 @@ glyph-block Letter-Latin-X : begin
local fine : [AdviceStroke 3] * (sw / Stroke)
local leftXExt : leftX - [if fSlab SideJut 0]
local rightXExt : rightX + [if fSlab SideJut 0]
return : dispiro
if fHalf
flat [mix leftX rightX 0.5] [mix leftY rightY 0.5] [widths.center fine]
list
straight.right.start leftX (leftY - sign * sw / 2) [widths.center sw]
flat leftXExt (leftY - sign * sw / 2) [widths.center.heading sw Rightward]
curl (leftX + TINY) (leftY - sign * sw / 2) [widths.center.heading sw Rightward]
alsoThruThem {{blendK1X blendK1Y} {blendK2X blendK2Y}}
flat [mix leftX rightX pStraightX] [mix leftY rightY pStraightY] [widths.center : mix sw fine 0.5]
corner [mix leftX rightX 0.5] [mix leftY rightY 0.5] [widths.center fine]
curl [mix leftX rightX (1 - pStraightX)] [mix leftY rightY (1 - pStraightY)] [widths.center : mix sw fine 0.5]
alsoThruThem {{(1 - blendK2X) (1 - blendK2Y)} {(1 - blendK1X) (1 - blendK1Y)}}
straight.right.end rightX (rightY + sign * sw / 2) [widths.center sw]
flat (rightX - TINY) (rightY + sign * sw / 2) [widths.center.heading sw Rightward]
curl rightXExt (rightY + sign * sw / 2) [widths.center.heading sw Rightward]
glyph-block-export XCursiveHalfShape
define [XCursiveHalfShape] : with-params [
@ -142,7 +147,7 @@ glyph-block Letter-Latin-X : begin
include : match stroke1
[Just STROKE-STRAIGHT] : XStrand true fSlab df.leftSB bot df.rightSB top turn 0.4 tension sw
[Just STROKE-CURLY] : XStrand false fSlab df.leftSB bot df.rightSB top turn 0.4 tension sw
[Just STROKE-CHANCERY] : XChanceryStrand (-1) df.leftSB bot df.rightSB top false sw
[Just STROKE-CHANCERY] : XChanceryStrand (-1) fSlab df.leftSB bot df.rightSB top false sw
([Just STROKE-CURSIVE] || [Just STROKE-CURSIVE-FLAT]) : composite-proc
XCursiveHalfShape top bot df.middle df.rightSB
swCoEnd -- swCursiveCoEnd
@ -154,7 +159,7 @@ glyph-block Letter-Latin-X : begin
include : match stroke2
[Just STROKE-STRAIGHT] : XStrand true fSlab df.leftSB top df.rightSB bot turn 0.4 tension sw
[Just STROKE-CURLY] : XStrand false fSlab df.leftSB top df.rightSB bot turn 0.4 tension sw
[Just STROKE-CHANCERY] : XChanceryStrand (+1) df.leftSB top df.rightSB bot false sw
[Just STROKE-CHANCERY] : XChanceryStrand (+1) fSlab df.leftSB top df.rightSB bot false sw
[Just STROKE-CURSIVE] : XCursiveHalfShape top bot df.middle df.rightSB
swCoEnd -- swCursiveCoEnd
swEnd -- swCursiveEnd
@ -168,12 +173,12 @@ glyph-block Letter-Latin-X : begin
include : match stroke1
[Just STROKE-STRAIGHT] : HalfXStrand true fSlab df.rightSB top df.middle midy turn 0.4 tension sw
[Just STROKE-CURLY] : HalfXStrand false fSlab df.rightSB top df.middle midy turn 0.4 tension sw
[Just STROKE-CHANCERY] : XChanceryStrand (-1) df.leftSB bot df.rightSB top true sw
[Just STROKE-CHANCERY] : XChanceryStrand (-1) fSlab df.leftSB bot df.rightSB top true sw
__ : glyph-proc
include : match stroke2
[Just STROKE-STRAIGHT] : HalfXStrand true fSlab df.rightSB bot df.middle midy turn 0.4 tension sw
[Just STROKE-CURLY] : HalfXStrand false fSlab df.rightSB bot df.middle midy turn 0.4 tension sw
[Just STROKE-CHANCERY] : XChanceryStrand (+1) df.leftSB top df.rightSB bot true sw
[Just STROKE-CHANCERY] : XChanceryStrand (+1) fSlab df.leftSB top df.rightSB bot true sw
[Just STROKE-CURSIVE] : XCursiveHalfShape top bot df.middle df.rightSB
swCoEnd -- swCursiveCoEnd
swEnd -- swCursiveEnd