Add motion-serifed variants of T (#815).

be5invis · Jan 23, 2021 · f6b53f8 · f6b53f8
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diff --git a/changes/5.0.0-beta.1.md b/changes/5.0.0-beta.1.md
@@ -1,14 +1,14 @@
  * **Breaking** Iosevka Aile and Iosevka Etoile now support `cv##` and `ss##` features.
  * **Breaking** Iosevka Sparkle is removed from prebuilt packages.
- * Add IBM Plex Mono style set (#796).
- * Spilt out variant selector for `A`, `V`, `W`, `Z` (#806).
+ * **Breaking** Spilt out variant selector for `A`, `V`, `W`, `Z` (#806).
  * Add diagonal-tailed variants of `f`, `i`, `j`, `k`, `l`, `q`, `t` (#795).
- * Add motion-serifed variants of `A`, `B`, `D`, `E`, `F`, `P`, `R`, `V`, `W`, `Z`, `v`, `w`, `y`, `z` (#806).
+ * Add motion-serifed variants of `A`, `B`, `D`, `E`, `F`, `P`, `R`, `T`, `V`, `W`, `Z`, `v`, `w`, `y`, `z` (#806, #815).
  * Add open-contour variants of `P` and `R` (#810).
  * Add symmetric-legged variants of `K` and `k` (#807).
  * Add standing variants of `R` (#810).
  * Add toothed and motion-serifed `U` (#811).
  * Add motion-serifed toothless `u` (#813).
+ * Add IBM Plex Mono style set (#796).
  * Fix broken geometry of `K` and `%` under ultra-wide (#800).
  * Add straight-bar AE (`Æ`), follows variant selector for `A` (#800).
  * Refine the shape of Slab `S` and `s` to add serifs at both terminals (#800).

diff --git a/font-src/glyphs/letter/latin/lower-m.ptl b/font-src/glyphs/letter/latin/lower-m.ptl
@@ -330,7 +330,7 @@ glyph-block Letter-Latin-Lower-M : begin
 	select-variant 'cyrl/te.italic' (shapeFrom -- 'm')
 	alias 'cyrl/te.BGR' null 'cyrl/te.italic'
 
-	create-glyph 'cyrl/tedescender.italic' : composite-proc [MarkSet.e]
+	create-glyph 'cyrl/teDescender.italic' : composite-proc [MarkSet.e]
 		refer-glyph 'm.normal'
 		CyrDescender (Width * para.diversityM - SB)
 

diff --git a/font-src/glyphs/letter/latin/upper-t.ptl b/font-src/glyphs/letter/latin/upper-t.ptl
@@ -10,60 +10,82 @@ glyph-block Letter-Latin-Upper-T : begin
 	glyph-block-import CommonShapes
 	glyph-block-import Common-Derivatives
 	glyph-block-import Letter-Blackboard : BBS BBD
+	glyph-block-import Letter-Latin-Lower-M
 
 	define TLeftX  : SB + OX * 1.5
 	define TRightX : RightSB - OX * 1.5
-	define [TShape top] : glyph-proc
+	define [TShape top doTopSerifs doBottomSerifs] : glyph-proc
 		include : VBar Middle 0 top
 		local l TLeftX
 		local r TRightX
 		include : tagged 'strokeLT' : HBarTop l Middle top
 		include : tagged 'strokeRT' : HBarTop Middle r top
-		if SLAB : begin
+
+		if doTopSerifs : begin
 			include : tagged 'serifRT' : DownwardRightSerif r top VJut
 			include : tagged 'serifLT' : DownwardLeftSerif l top VJut
+		if doBottomSerifs : begin
 			include : tagged 'serifMB' : RightwardBottomSerif Middle 0 MidJutCenter
 			include : tagged 'serifMB' : LeftwardBottomSerif Middle 0 MidJutCenter
 
-	create-glyph 'T' 'T' : glyph-proc
-		include : MarkSet.capital
-		set-base-anchor 'bottomright' (Middle + HalfStroke * HVContrast) 0
-		include : TShape CAP
+	define TConfig : object
+		standard      { SLAB SLAB  }
+		motionSerifed { true false }
 
-		create-derived 'cyrl/Tedescender' 0x4AC : glyph-proc
-			include : CyrDescender (Middle + HalfStroke * HVContrast) (sideJut -- MidJutCenter - HalfStroke * HVContrast)
+	foreach { suffix { doST doSB } } [Object.entries TConfig] : do
+		create-glyph "T.\(suffix)" : glyph-proc
+			include : MarkSet.capital
+			set-base-anchor 'bottomright' (Middle + HalfStroke * HVContrast) 0
+			include : TShape CAP doST doSB
+
+		create-glyph "cyrl/TeDescender.\(suffix)" : glyph-proc
 			include : MarkSet.if
+			set-base-anchor 'bottomright' (Middle + HalfStroke * HVContrast) 0
+			include : TShape CAP doST doSB
+			include : CyrDescender (Middle + HalfStroke * HVContrast) (sideJut -- MidJutCenter - HalfStroke * HVContrast)
 
-		create-derived 'Tbar' 0x166
-			HOverlayBar [mix Middle SB 0.8] [mix Middle RightSB 0.8] [mix 0 CAP 0.45]
+		create-glyph "TBar.\(suffix)" : glyph-proc
+			include [refer-glyph "T.\(suffix)"] AS_BASE ALSO_METRICS
+			include : HOverlayBar [mix Middle SB 0.8] [mix Middle RightSB 0.8] [mix 0 CAP 0.45]
 
-		create-derived 'Thookleft' 0x1AC : glyph-proc
+		create-glyph "Thookleft.\(suffix)" : glyph-proc
+			include [refer-glyph "T.\(suffix)"] AS_BASE ALSO_METRICS
 			eject-contour 'serifLT'
 			eject-contour 'strokeLT'
 			include : LeftHook (SB + LeftHook.extension) CAP Middle
 
-	create-glyph 'mathbb/T' 0x1D54B : glyph-proc
-		include : MarkSet.capital
-		include : HBarTop TLeftX TRightX CAP BBS
-		include : VBar (Middle - BBD / 2) 0 CAP BBS
-		include : VBar (Middle + BBD / 2) 0 CAP BBS
-		include : HBarBottom (Middle - BBD / 2) (Middle + BBD / 2) 0 BBS
+		create-glyph "smcpT.\(suffix)" : glyph-proc
+			include : MarkSet.capital
+			set-base-anchor 'bottomright' (Middle + HalfStroke * HVContrast) 0
+			include : TShape XH doST doSB
+
+		create-glyph "cyrl/teDescender.upright.\(suffix)" : glyph-proc
+			include : MarkSet.p
+			include : TShape XH doST doSB
+			include : CyrDescender (Middle + HalfStroke * HVContrast) (sideJut -- MidJutCenter - HalfStroke * HVContrast)
+
+	select-variant 'T' 'T'
+	select-variant 'smcpT' 0x1D1B (follow -- 'T')
+	select-variant "TBar" 0x166 (follow -- 'T')
+	select-variant "Thookleft" 0x1AC (follow -- 'T')
+	select-variant "cyrl/TeDescender" 0x4AC (follow -- 'T')
+
 
 	alias 'grek/Tau' 0x3A4 'T'
 	alias 'cyrl/Te' 0x422 'T'
 	turned 'turnT' 0xA7B1 'T' Middle (CAP / 2)
 
-	create-glyph 'cyrl/te.upright' : glyph-proc
-		include : MarkSet.e
-		include : TShape XH
-
-		create-derived 'cyrl/tedescender.upright' : glyph-proc
-			include : MarkSet.p
-			include : CyrDescender (Middle + HalfStroke * HVContrast) (sideJut -- MidJutCenter - HalfStroke * HVContrast)
-
-	orthographic-italic 'cyrl/tedescender' 0x4AD
+	alias 'cyrl/te.upright' null 'smcpT'
+	select-variant 'cyrl/teDescender.upright' (follow -- 'T')
+	orthographic-italic 'cyrl/teDescender' 0x4AD
 
 	create-glyph 'grek/tau' 0x3C4 : glyph-proc
 		include : MarkSet.e
-		include : HBar SB RightSB (XH - HalfStroke)
-		include : VBar Middle 0 XH
+		include : TShape XH false false
+
+	create-glyph 'mathbb/T' 0x1D54B : glyph-proc
+		include : MarkSet.capital
+		include : HBarTop TLeftX TRightX CAP BBS
+		include : VBar (Middle - BBD / 2) 0 CAP BBS
+		include : VBar (Middle + BBD / 2) 0 CAP BBS
+		include : HBarBottom (Middle - BBD / 2) (Middle + BBD / 2) 0 BBS