Improved outline simplification subpass.

glyphs/letters-unified-basic.aki

@@ -1225,7 +1225,7 @@ symbol-block 'p'
 		assign-unicode 'p'
 		include pMarks
 	
-		include : OBarLeftShape
+		include : tagged 'bowl' : OBarLeftShape
 		include : VBarLeft SB DESCENDER XH
 		if SLAB : begin
 			include : LeftwardTopSerif SB XH SIDEJUT
@@ -2591,7 +2591,7 @@ symbol-block 't'
 		local center : MIDDLE - TBALANCE - HALFSTROKE * CORRECTION_HX
 		local hookx  (center + (WIDTH - SB * 2) * 0.8 - OXHOOK + TAILADJX * globalTransform.yx)
 		local turn : [mix center hookx 0.5] + CORRECTION_OMIDS
-		local smb  : (turn - center) * 1.2
+		local smb  : Math.max HOOK ((turn - center) * 1.2)
 		
 		local g : dispiro
 			widths.lhs

glyphs/letters-unified-extended.aki

@@ -205,7 +205,7 @@ symbol-block 'epsilon and cyrze'
 		include : dispiro
 			widths.lhs
 			g4 RIGHTSB (top - [fallback hook SHOOK])
-			hookstart top
+			hookstart (top - O)
 			g4 (SB + OXE) (top - sma)
 			arcvh
 			flat MIDDLE (midy - (fine - HALFSTROKE)) [widths.heading fine 0 RIGHTWARD]
@@ -213,7 +213,7 @@ symbol-block 'epsilon and cyrze'
 		include : dispiro
 			widths.rhs
 			g4 RIGHTSB [fallback hook SHOOK]
-			hookstart 0
+			hookstart O
 			g4 (SB + OXE) smb
 			arcvh
 			flat MIDDLE (midy + (fine - HALFSTROKE)) [widths.heading 0 fine RIGHTWARD]
@@ -238,7 +238,7 @@ symbol-block 'epsilon and cyrze'
 		include : dispiro
 			widths.rhs
 			g4 SB (top - [fallback hook SHOOK])
-			hookstart top
+			hookstart (top - O)
 			g4 (RIGHTSB - OXE) (top - smb)
 			arcvh
 			flat MIDDLE (midy - (fine - HALFSTROKE)) [widths.heading 0 fine LEFTWARD]
@@ -246,7 +246,7 @@ symbol-block 'epsilon and cyrze'
 		include : dispiro
 			widths.lhs
 			g4 SB [fallback hook SHOOK]
-			hookstart 0
+			hookstart O
 			g4 (RIGHTSB - OXE) sma
 			arcvh
 			flat MIDDLE (midy + (fine - HALFSTROKE)) [widths.heading fine 0 LEFTWARD]
@@ -303,7 +303,7 @@ symbol-block 'zeta and xi'
 		local ybar : mix 0 CAP 0.55
 		include : dispiro
 			widths.rhs
-			g4 xbar (CAP - STROKE)
+			g4.left.start xbar (CAP - STROKE)
 			archv
 			g4 (SB - O * 2 + STROKE * CORRECTION_HX) [mix (CAP - STROKE) ybar 0.6]
 			arcvh
@@ -1669,6 +1669,7 @@ symbol-block 'Thorn'
 			eject-contour 'serifLB'
 		include : create-glyph : glyph-construction
 			include glyphs.p
+			eject-contour 'bowl'
 			eject-contour 'serifLT'
 		include ifMarks
 

pass1-cleanup.py

@@ -9,11 +9,11 @@ font = fontforge.open(source)
 # Replace accented characters into references
 print "    Reference finding: ", font.fontname
 font.selection.select(("ranges", "unicode", None), 0x1FCD, 0x1FCF, 0x1FDD, 0x1FDF)
-font.replaceWithReference(2)
+font.replaceWithReference(1)
 font.selection.all()
 font.selection.select(("less", None), "I.straight", "dotlessi.straight", "l.straight", "ltailBR", "rtailBR")
 font.selection.select(("less", "ranges", "unicode"), 0x207A, 0x207E, 0x208A, 0x208E)
-font.replaceWithReference(2)
+font.replaceWithReference(1)
 
 # Remove overlapped area
 print "    Overlap Removal: ", font.fontname
@@ -25,16 +25,19 @@ for i in font:
 		glyph.unlinkRef()
 		glyph.removeOverlap()
 font.selection.all()
-font.replaceWithReference(2)
+font.replaceWithReference(1)
 
 print "    Simplify: ", font.fontname
 font.selection.all()
 font.transform(psMat.scale(5))
-font.simplify(1, ("smoothcurves", "choosehv"), 0.1)
+font.simplify(0.05, ("smoothcurves", "choosehv"), 0.1)
 font.transform(psMat.scale(0.2))
-font.simplify(1, ("smoothcurves", "choosehv"), 0.1)
+font.simplify(0.2, ("smoothcurves", "choosehv"), 0.1)
+
+#font.em = 2000
 font.layers["Fore"].is_quadratic = True
 font.transform(psMat.skew(float(sys.argv[3]) / 180 * math.pi))
+#font.em = 1000
 
 font.canonicalContours()
 font.canonicalStart()

pass3-features.py

@@ -9,6 +9,8 @@ font.selection.select(("ranges", "unicode", None), 0x20, 0x7e)
 font.unlinkReferences()
 font.selection.all()
 font.removeOverlap()
-font.simplify(0.1)
+font.simplify(0.01)
+font.selection.all()
+font.removeOverlap()
 font.mergeFeature(sys.argv[2])
 font.generate(sys.argv[3], flags = ("short-post", "opentype"))

support/spirokit.aki

@@ -104,8 +104,8 @@ export : define [SetupBuilders args] : begin
 			if [not cache.(samples)] : build samples
 			return cache.(samples).vh
 		list hv vh
-	define [archv samples notiny k raf] : alsothruthem [jhv [fallback samples 4]] raf
+	define [archv samples notiny k raf] : alsothruthem [jhv [fallback samples 12]] raf
-	define [arcvh samples notiny k raf] : alsothruthem [jvh [fallback samples 4]] raf
+	define [arcvh samples notiny k raf] : alsothruthem [jvh [fallback samples 12]] raf
 	
 	define [complexThru] : begin
 		local a : {}.slice.call arguments
@@ -137,6 +137,7 @@ export : define [SetupBuilders args] : begin
 		if closed : knots.pop
 		return {.knots [flatten knots] .closed closed .lastafs lastafs}
 	
+	define QUAD false
 	define [dispiro] : begin
 		local s : new SpiroExpansionContext
 		set s.gizmo globalTransform
@@ -151,16 +152,16 @@ export : define [SetupBuilders args] : begin
 		local {.lhs lhs .rhs rhs} : s.expand [fallback s.contrast CONTRAST]
 		if closed : then
 			local g : new Glyph
-			libspiro.spiroToBezierOnContext [lhs.slice 0 (-1)] true g
+			libspiro.spiroToBezierOnContext [lhs.slice 0 (-1)] true g QUAD 0.5
 			local lhsContour g.contours.0
 			set g.contours {}
-			libspiro.spiroToBezierOnContext [rhs.reverse :.slice 0 (-1)] true g
+			libspiro.spiroToBezierOnContext [rhs.reverse :.slice 0 (-1)] true g QUAD 0.5
 			local rhsContour g.contours.0
 			set g.contours {[lhsContour.concat rhsContour]}
 		: else
 			local g : new Glyph
 			lhs.0.type = rhs.0.type = lhs.(lhs.length - 1).type = rhs.(rhs.length - 1).type = 'corner'
-			libspiro.spiroToBezierOnContext [lhs.concat : rhs.reverse] true g
+			libspiro.spiroToBezierOnContext [lhs.concat : rhs.reverse] true g QUAD 0.5
 		set g.knots knots
 		set g.lhsknots lhs
 		set g.rhsknots rhs