% Double Stroke Roman upper case: % These letters were originally coded by D. E. Knuth in November, 1979, % inspired by the Monotype faces used in {\sl The Art of Computer Programming}. % Sans serif designs by Richard Southall were added in April, 1982. % The programs were revised for the new \MF\ conventions in 1985. % This file was renamed from {\tt romanu.mf} to {\tt dsromu.mf} % and modified for double stroke characters by Olaf Kummer, 1995. % The shapes of the letters A, V, and W were improved by Olaf Kummer, 1996. % Version 1.0 % Character codes \0101 through \0132 are generated. cmchar "The letter A"; beginchar("A",14.5u#,cap_height#,0); adjust_fit(cap_serif_fit#,cap_serif_fit#); numeric left_stem,right_stem,outer_jut,alpha; right_stem=cap_stem-stem_corr; left_stem=min(cap_hair if hefty: -3stem_corr fi,right_stem); outer_jut=.8cap_jut; x1l=w-x12r=l+letter_fit+outer_jut+.5u; y1=y4=y12=0; x2-x1=x12-x11; x3r=x2r+apex_corr; y2=y3=y11=h+0.4apex_o; alpha=diag_ratio(2,left_stem+doublestroke_dist+doublestroke_thin, y2-y1,x12r-x1l-apex_corr); x3r+alpha*doublestroke_dist=x11l; x4r+alpha*doublestroke_dist=x12l; penpos1(alpha*left_stem,0); penpos2(alpha*left_stem,0); penpos3(alpha*right_stem,0); penpos4(alpha*right_stem,0); penpos11(alpha*doublestroke_thin,0); penpos12(alpha*doublestroke_thin,0); z0=whatever[z1r,z2r]=whatever[z3l,z4l]; if y0lower_notch: {left}(x4'-1,lower_notch){up}... fi {z5-z6}diag_in(6r,5r,1,5l)--cycle; % diagonal else: penpos5(whatever,0); penpos6(whatever,90); z5l=z1l; z6l=z4l; z7=z6l+(max(eps,cap_stem-3stem_corr-tiny),0) rotated (angle(z5l-z6l)-90); z5r=z7+whatever*(z5l-z6l); z6r=z7+whatever*(z5l-z6l); filldraw stroke z5e..z6e; fi % diagonal if serifs: if hefty: serif(1,2,a,0,-cap_jut-doublestroke_dist); % upper left serif serif(11,12,g,1/3,-cap_jut); % upper stroke serif else: serif(5,6,a,0,-cap_jut-doublestroke_dist); % upper left serif serif(11,12,g,1/3,-cap_jut); fi % upper stroke serif nodish_serif(2,1,b,0,cap_jut+doublestroke_dist,c,1/3,cap_jut)(dark); % lower left serif nodish_serif(12,11,h,1/3,cap_jut,i,0,cap_jut+doublestroke_dist)(dark); % lower stroke serif nodish_serif(3,4,e,1/2,cap_jut,f,1/2,cap_jut)(dark); fi % upper right serif math_fit(0,max(.5ic#-.5u#,0)); penlabels(1,1',2,3,4,4',5,6,7); endchar; cmchar "The letter O"; beginchar("O",14u#-width_adj#,cap_height#,0); italcorr .7cap_height#*slant-.5u#; adjust_fit(0,0); penpos1(vair',90); penpos3(vround(vair+1.5vair_corr),-90); penpos2(cap_curve,180); penpos4(cap_curve,0); if monospace: x2r=hround 1.5u; interim superness:=sqrt superness; % make |"O"|, not |"0"| else: x2r=hround u; fi x4r=w-x2r; x1=x3=.5w; y1r=h+o; y3r=-o; y2=y4=.5h-vair_corr; y2l:=y4l:=.52h; penstroke pulled_super_arc.e(1,2)(.5superpull) & pulled_super_arc.e(2,3)(.5superpull) & pulled_super_arc.e(3,4)(.5superpull) & pulled_super_arc.e(4,1)(.5superpull) & cycle; % bowl curve_stroke(s,rt x2l+doublestroke_curvedist,doublestroke_thin, pulled_super_arc.r(4,1)(.5superpull) & pulled_super_arc.r(1,2)(.5superpull), pulled_super_arc.r(2,3)(.5superpull) & pulled_super_arc.r(3,4)(.5superpull)); % stroke math_fit(-.3cap_height#*slant-.5u#,ic#-.5u#); penlabels(1,2,3,4); endchar; cmchar "The letter P"; beginchar("P",13u#,cap_height#,0); italcorr .75cap_height#*slant-.5u#; adjust_fit(cap_serif_fit#,0); pickup tiny.nib; penpos1(cap_stem-tiny,0); penpos2(cap_stem-tiny,0); lft x1l=hround max(2u,3u-.5cap_stem); top y1=h; bot y2=0; x1l=x2l; filldraw stroke z1e--z2e; % stem pos21(doublestroke_thin,0); pos22(doublestroke_thin,0); lft x21l=lft x22l=rt x1r+doublestroke_dist; y21=y1; y22=y2; filldraw stroke z21e--z22e; % stroke penpos3(cap_band,90); penpos4(cap_band,90); penpos5(cap_curve if hefty:-3stem_corr fi,0); penpos6(.5[vair,cap_band],-90); penpos7(.5[vair,cap_band],-90); z3r=top z21; y4=y3; y5=.5[y4l,y6l]; y6=y7; x7=x22; y7l=vround .5h; x4=x6=.5w+.75u; x5r=hround(w-u); x4l:=x6l:=x4-.25cap_curve; fill stroke z3e..pulled_arc.e(4,5) & pulled_arc.e(5,6)..z7e; % lobe if serifs: nodish_serif(1,2,a,1/3,cap_jut,b,0,.5cap_jut+doublestroke_dist); % upper serif nodish_serif(21,22,e,0,cap_jut+doublestroke_dist,f,1/3,.5cap_jut); % upper stroke serif nodish_serif(2,1,c,1/3,cap_jut,d,0,cap_jut+doublestroke_dist); % lower stroke serif nodish_serif(22,21,g,0,cap_jut+doublestroke_dist,h,1/3,cap_jut); fi % lower serif math_fit(0,ic#-2.5u#); penlabels(0,1,2,3,4,5,6,7); endchar; cmchar "The letter Q"; beginchar("Q",14u#-width_adj#,cap_height#,comma_depth#); italcorr .7cap_height#*slant-.5u#; adjust_fit(0,0); numeric light_curve; light_curve=cap_curve-hround stem_corr; penpos1(vair',90); penpos3(vair',-90); penpos2(light_curve,180); penpos4(light_curve,0); if monospace: x2r=hround 1.5u; interim superness:=sqrt superness; % make |"Q"| like |"O"| else: x2r=hround u; fi x4r=w-x2r; x1=x3=.5w; y1r=h+o; y2=y4=.5h-vair_corr; y3r=-o; penstroke pulled_super_arc.e(1,2)(.5superpull) & pulled_super_arc.e(2,3)(.5superpull) & pulled_super_arc.e(3,4)(.5superpull) & pulled_super_arc.e(4,1)(.5superpull) & cycle; % bowl curve_stroke(s,rt x2l+doublestroke_curvedist,doublestroke_thin, pulled_super_arc.r(4,1)(.5superpull) & pulled_super_arc.r(1,2)(.5superpull), pulled_super_arc.r(2,3)(.5superpull) & pulled_super_arc.r(3,4)(.5superpull)); % stroke pickup tiny.nib; if hefty: penpos5(1.2(.5[cap_bar,light_curve]),0); penpos6(1.2light_curve,0); x5=.5w; x6r=hround(w-1.5u); y5=vround .28h; y6=-d; fill diag_end(6r,5r,.25,1,5l,6l)--diag_end(5l,6l,.5,1,6r,5r)--cycle; % tail else: pos3'(vair,270); pos5(vair,180); pos6(vair,90); pos7(cap_curve,85); penpos8(eps,180); z3'=z3; x6=x3; top y6r=vround(.2h+.5vair); lft x5r=hround(.5w-1.25u-.5vair); y5=.5[y3,y6]; bot y7l=-d; x7l=2/3[x6,x8]; y8=0; rt x8=hround(x4r+.1u); filldraw stroke z3'e{left}...z5e{up}...z6e{right} ..z7e{right}...z8e{up}; fi % tail math_fit(-.3cap_height#*slant-.5u#,ic#); penlabels(1,2,3,4,5,6,7,8); endchar; cmchar "The letter R"; beginchar("R",if serifs: 13u#+.5max(2u#,cap_curve#) else:13.5u#-.5width_adj# fi,cap_height#,0); italcorr .75cap_height#*slant- if serifs: 1.75 else: .5 fi\\ u#; adjust_fit(cap_serif_fit#,0); pickup tiny.nib; pos1(cap_stem',0); pos2(cap_stem',0); lft x1l=lft x2l=hround max(2u,3u-.5cap_stem'); top y1=h; bot y2=0; filldraw stroke z1e--z2e; % stem pos21(doublestroke_thin,0); pos22(doublestroke_thin,0); lft x21l=lft x22l=rt x1r+doublestroke_dist; y21=y1; y22=y2; filldraw stroke z21e--z22e; % stroke penpos3(cap_band,90); penpos4(cap_band,90); penpos5(cap_curve if hefty:-3stem_corr fi,0); penpos6(vair,-90); penpos7(vair,-90); z3r=top z21; y4=y3; y5=.5[y4l,y6l]; y6=y7; x7=x22; y7l=vround(.5h+.5vair); x4=x6; if serifs: x4=.5w-.5u; x5r=hround(w-2.25u); else: x4=.5w+.5u; x5r=hround(w-u); fi x4l:=x6l:=x4-.125cap_curve; fill stroke z3e..pulled_arc.e(4,5) & pulled_arc.e(5,6)..z7e; % lobe if serifs: pos6'(vair,-90); pos0(cap_stem,180); pos8(cap_curve,180); pos9(vair,-90); pos10(hair,0); z6'=z6; lft x0r=lft x8r=hround(x5-2/3u-.5cap_curve); y8=1/3[y2,y7]; y0=3/5[y2,y7]; x9=.5[x8l,x10r]; bot y9r=-o; rt x10r=hround(w-.05u); y10=1/4[y2,y7]; filldraw stroke z6'e{right}..z0e---z8e....z9e{right}..z10e{up}; % tail nodish_serif(1,2,a,1/3,cap_jut,b,0,.5cap_jut+doublestroke_dist); % upper serif nodish_serif(21,22,e,0,cap_jut+doublestroke_dist,f,1/3,.5cap_jut); % upper stroke serif nodish_serif(2,1,c,1/3,cap_jut,d,0,cap_jut+doublestroke_dist); % lower serif nodish_serif(22,21,g,0,cap_jut+doublestroke_dist,h,1/3,cap_jut); % lower stroke serif else: penpos8(cap_stem-2stem_corr,0); penpos9(cap_stem,0); x8=x6+.5u; y8=y6; x9r=hround(w-.5u); y9=0; fill z8l--diag_end(8l,9l,.5,1,9r,8r)--z8r--cycle; fi % tail math_fit(0,.75ic#); penlabels(0,1,2,3,4,5,6,7,8,9,10); endchar; cmchar "The letter S"; beginchar("S",10u#,cap_height#,0); italcorr cap_height#*slant-u#; adjust_fit(0,0); numeric theta; theta=90-angle(50u,h); slope:=-h/50u; % angle at middle numeric s_slab; s_slab=if serifs:slab else:vround .2[slab,cap_stem] fi; numeric ess'; ess'=max(fine.breadth,cap_ess); pickup fine.nib; pos2(max(fine.breadth,s_slab-vround vair_corr),-90); pos0(ess',theta); pos7(s_slab,-90); x2+x7=2x0=w; x7-x2=if serifs: u else: 0 fi; top y2l=h+o; bot y7r=-o; y0=.52h; lft x3l=hround u; rt x6r=hround(w-u); x3r-x3l=x6r-x6l=hround .5[s_slab,ess']-fine; ellipse_set(2l,3l,4l,0l); ellipse_set(2r,3r,4r,0r); y3=y3r; ellipse_set(7l,6l,5l,0l); ellipse_set(7r,6r,5r,0r); y6=y6r; filldraw stroke super_arc.e(2,3) & z3e{down} ..z4e---z5e..z6e{down} & super_arc.e(6,7); % main stroke if serifs: pos1(hair,180); pos8(hair,180); rt x1l=hround(w-1.5u); lft x8r=hround u; bot y1=vround 2/3h+1; top y8=vround 1/3h-1; filldraw stroke z1e{x2-x1,10(y2-y1)}....{left}z2e; % upper arc filldraw stroke z7e{left}....{up}z8e; % lower arc if rt x3r+2doublestroke_curvedist+doublestroke_thin>lft x6l: curve_stroke(s,x0-0.5doublestroke_thin,doublestroke_thin, z1l{x2-x1,10(y2-y1)}....{left}z2l & super_arc.l(2,3), super_arc.r(6,7) & z7r{left}....{up}z8r); % stroke else: curve_stroke(s,rt x3r+doublestroke_curvedist,doublestroke_thin, z1l{x2-x1,10(y2-y1)}....{left}z2l & super_arc.l(2,3), z3l{down}..z4l---z5l..z6l{down}); % left stroke curve_stroke(t,lft x6l-doublestroke_curvedist,-doublestroke_thin, super_arc.r(6,7) & z7r{left}....{up}z8r, z3r{down}..z4r---z5r..z6r{down}); % right stroke fi path upper_arc, lower_arc; upper_arc=z1{x2-x1,10(y2-y1)}....{left}z2; lower_arc=z7{left}....{up}z8; pos10(.3[fine.breadth,cap_hair],0); pos9(.3[fine.breadth,cap_hair],0); x10r=x1l; top y10=top y2l; x9l=x8r; bot y9=bot y7r; x1l-x1'=x8'-x8r=1.6cap_curve-fine; y1'=y1; y8'=y8; numeric t; t=xpart(upper_arc intersectiontimes(z10l--z1')); filldraw z1l--z10r--z10l--subpath(t,0) of upper_arc--cycle; % upper barb t:=xpart(lower_arc intersectiontimes(z9r--z8')); filldraw z8r--z9l--z9r--subpath(t,1) of lower_arc--cycle; % lower barb else: pos1(1.2flare,-100); pos8(1.2flare,-100); x1l=good.x(x1l+w-1.75u-rt x1); lft x8r=hround .8u; top y1l=vround .93h+o; bot y8r=vround .1h-o; filldraw stroke term.e(2,1,right,.9,4); % upper arc and terminal filldraw stroke term.e(7,8,left,1,4); % lower arc and terminal if rt x3r+2doublestroke_curvedist+doublestroke_thin>lft x6l: curve_stroke(s,x0-0.5doublestroke_thin,doublestroke_thin, (reverse(term.l(2,1,right,.9,4))) & super_arc.l(2,3), super_arc.r(6,7) & term.r(7,8,left,1,4)); % stroke else: curve_stroke(s,rt x3r+doublestroke_curvedist,doublestroke_thin, (reverse(term.l(2,1,right,.9,4))) & super_arc.l(2,3), z3l{down}..z4l---z5l..z6l{down}); % left stroke curve_stroke(t,lft x6l-doublestroke_curvedist,-doublestroke_thin, super_arc.r(6,7) & term.r(7,8,left,1,4), z3r{down}..z4r---z5r..z6r{down}); fi % right stroke fi math_fit(0,.5ic#); penlabels(0,1,1',2,3,4,5,6,7,8,8',9,10); endchar; cmchar "The letter T"; beginchar("T",13.5u#-width_adj#,cap_height#,0); italcorr cap_height#*slant-beak_jut#-.25u#; adjust_fit(0,0); h:=vround(h-2stem_corr); pickup tiny.nib; pos1(cap_stem,0); pos2(cap_stem,0); pos21(doublestroke_thin,0); pos22(doublestroke_thin,0); lft x1l=lft x2l=w-rt x21r; top y1=h; bot y2=0; lft x21l=lft x22l=rt x1r+doublestroke_dist; y21=y1; y22=y2; filldraw stroke z1e--z2e; % stem filldraw stroke z21e--z22e; % stroke pickup crisp.nib; pos3(slab,90); pos4(hair,0); top y3r=h; x3=x1; rt x4r=hround(w-.65u); y4=good.y(y3l-beak)-eps; arm(3,4,e,beak_darkness,.7beak_jut); % right arm and beak pos5(hair,180); x5=w-x4; y5=y4; pos6(slab,90); top y6r=h; x6=x21; arm(6,5,f,beak_darkness,-.7beak_jut); % left arm and beak if serifs: nodish_serif(2,1,c,1/3,1.05cap_jut, d,0,1.05cap_jut+doublestroke_dist); % lower serif nodish_serif(22,21,g,0,1.05cap_jut+doublestroke_dist, h,1/3,1.05cap_jut); % lower stroke serif nodish_serif(1,2,a,1/3,.5cap_jut, b,0,.5cap_jut+doublestroke_dist); % upper bracketing nodish_serif(21,22,i,0,.5cap_jut+doublestroke_dist, j,1/3,.5cap_jut); fi % upper stroke bracketing math_fit(-.75cap_height#*slant,ic#-2.5u#); penlabels(1,2,3,4,5,6); endchar; cmchar "The letter U"; beginchar("U",14u#+.5width_adj#,cap_height#,0); italcorr cap_height#*slant-cap_serif_fit#+cap_jut#-2.5u#+min(.5cap_stem#,u#); if monospace: adjust_fit(cap_serif_fit#-.5u#,cap_serif_fit#-.5u#) else: adjust_fit(cap_serif_fit#,cap_serif_fit#) fi; pickup tiny.nib; pos1(cap_stem,0); pos2(cap_stem,0); pos2'(cap_stem,180); z2'=z2; pos3(cap_band,-90); pos4(cap_hair,0); pos5(cap_hair,0); x1=x2; x3=.5[x1,x5]; x4=x5; x1l=w-x5r; top y1=top y5=h; y2=y4=1/3h; bot y3r=-o; lft x1l=hround max(2u,3u-.5cap_stem); filldraw stroke z1e--z2e; % left stem filldraw stroke pulled_arc.e(2',3) & pulled_arc.e(3,4)&z4e--z5e; % arc and right stem z21=0.5[z21l,z21r]; z22=0.5[z22l,z22r]; z23=0.5[z23l,z23r]; y21l=y21r=y1; lft x22l=lft x21l=rt x1r+doublestroke_dist; y22r=y22l=-h; rt x22r=rt x21r=lft x22l+doublestroke_thin; z23l=(pulled_arc.r(2',3) & pulled_arc.r(3,4))intersectionpoint(z21l..z22l); z23r=(pulled_arc.r(2',3) & pulled_arc.r(3,4))intersectionpoint(z21r..z22r); filldraw stroke z21e--z23e; % stroke if serifs: nodish_serif(1,2,a,1/3,cap_jut,b,0,cap_jut+doublestroke_dist); % left serif nodish_serif(21,23,e,0,cap_jut+doublestroke_dist,f,1/3,cap_jut); % stroke serif nodish_serif(5,4,c,1/2,cap_jut,d,1/2,cap_jut)(dark); fi % right serif math_fit(-cap_serif_fit#-.3cap_height#*slant-min(cap_height#*slant,u#), max(.5ic#-.5u#,0)); penlabels(1,2,3,4,5); endchar; cmchar "The letter V"; beginchar("V",14u#,cap_height#,0); italcorr cap_height#*slant+.25u#; adjust_fit(cap_serif_fit#,cap_serif_fit#); numeric left_stem,right_stem,outer_jut,alpha; left_stem=cap_stem-stem_corr; right_stem=min(cap_hair if hefty:-2stem_corr fi,left_stem); outer_jut=.75cap_jut; x1l=w-x4r=l+letter_fit+outer_jut+.25u; y1=y4=y11=h; y2=y3=y12=-0.4*apex_o; if doublestroke_twist: alpha=diag_ratio(2,left_stem,y11-y12,x4r-x1l); else: alpha=diag_ratio(2,left_stem+doublestroke_dist+right_stem, y11-y12,x4r-x1l-apex_corr); fi penpos1(alpha*left_stem,0); penpos2(alpha*left_stem,0); penpos3(alpha*right_stem,0); penpos4(alpha*right_stem,0); penpos11(alpha*doublestroke_thin,0); penpos12(alpha*doublestroke_thin,0); x12-x11=x4-x3; if doublestroke_twist: x2r=x3r; else: x12l+apex_corr=x3l; fi x1r+alpha*doublestroke_dist=x11l; x2r+alpha*doublestroke_dist=x12l; z0=whatever[z11r,z12r]=whatever[z3l,z4l]; if doublestroke_twist: z15=whatever[z11l,z12l]=whatever[z3l,z4l]; z16=whatever[z1r,z2r]=whatever[z3l,z4l]; fill z16--diag_end(16,4l,1,1,4r,3r)--diag_end(4r,3r,1,1,2l,1l) --diag_end(2l,1l,1,1,1r,16)--cycle; % stroke and right diagonal fill z15--diag_end(15,11l,1,1,11r,0) --z0--cycle; % left diagonal else: fill z0--diag_end(0,4l,1,1,4r,3r)--diag_end(4r,3r,1,1,12l,11l) --diag_end(12l,11l,1,1,11r,0)--cycle; % left and right diagonals fill diag_end(2l,1l,1,1,1r,2r) --diag_end(1r,2r,1,1,2l,1l)--cycle; % stroke fi if serifs: numeric inner_jut; pickup tiny.nib; prime_points_inside(1,2); prime_points_inside(4,3); prime_points_inside(11,12); if rt x11'r+cap_jut+.5u+1<=lft x4'l-cap_jut: inner_jut=cap_jut; else: rt x11'r+inner_jut+.5u+1=lft x4'l-inner_jut; fi nodish_serif(1',2,a,1/3,outer_jut, b,0,inner_jut+alpha*doublestroke_dist); % left serif nodish_serif(11',12,e,0,outer_jut+alpha*doublestroke_dist, f,1/2,inner_jut); % left stroke serif nodish_serif(4',3,c,.6,inner_jut,d,1/2,outer_jut)(dark); % right serif if not doublestroke_twist: z13=whatever[z11,z12]; z14=whatever[z1,z2]; y13=y14=y12+slab; fill z12--z2--z14--z13--cycle; fi % bottom closure fi math_fit(.75u#-cap_height#*slant,ic#-4u#); penlabels(0,1,2,3,4); endchar; cmchar "The letter W"; beginchar("W",19u#,cap_height#,0); italcorr cap_height#*slant+.25u#; adjust_fit(cap_serif_fit#,cap_serif_fit#); numeric stem[],outer_jut,upper_notch,alpha,mid_corr; outer_jut=.7cap_jut; x1l=w-x8r=l+letter_fit+outer_jut+.25u; stem1=fudged.cap_stem-stem_corr; stem4=min(fudged.hair if hefty:-2stem_corr fi,stem1); stem2=stem4 if hefty:-2stem_corr fi; stem3=stem1 if hefty:-2stem_corr fi; mid_corr=if monospace or hefty:-apex_corr else: 1/3jut fi; y1=y8=y11=h; y2=y3=y12=-0.4*apex_o; y6=y7=-if doublestroke_twist:0.4 fi apex_o; if doublestroke_twist: alpha=diag_ratio(4,stem1,y1-y2,x8r-x1l+mid_corr-2apex_corr); else: alpha=diag_ratio(4,stem1+stem2-stem3+stem4+doublestroke_dist, y1-y2,x8r-x1l+mid_corr-2apex_corr); fi penpos1(alpha*stem1,0); penpos2(alpha*stem1,0); penpos3(alpha*stem2,0); penpos4(alpha*stem2,0); penpos5(alpha*stem3,0); penpos6(alpha*stem3,0); penpos7(alpha*stem4,0); penpos8(alpha*stem4,0); penpos11(alpha*doublestroke_thin,0); penpos12(alpha*doublestroke_thin,0); x11l=x1r+alpha*doublestroke_dist; x12l=x2r+alpha*doublestroke_dist; x12-x11=x4-x3=x6-x5=x8-x7; if doublestroke_twist: x2r=x3r; x6r=x7r; else: x12l+apex_corr=x3l; x6l+apex_corr=x7l; fi y4=y5=if monospace: vround .6 fi\\ h; x4l-x1l=floor(x4l-x1l+.5(x5r+mid_corr-x4r)); % |x5r+mid_corr| $\approx$ |x4r| z45=whatever[z3r,z4r]=whatever[z5l,z6l]; z67=whatever[z5r,z6r]=whatever[z7l,z8l]; upper_notch=y4-cap_notch_cut; if doublestroke_twist: z23=whatever[z11r,z12r]=whatever[z3l,z4l]; z15=whatever[z11l,z12l]=whatever[z3l,z4l]; z16=whatever[z1r,z2r]=whatever[z3l,z4l]; fill diag_end(1l,2l,1,1,3r,4r){z4-z3}...z45&z45 ...{z6-z5}diag_end(5l,6l,1,1,7r,8r)--diag_end(7r,8r,1,1,8l,7l){z7-z8} ...z67&z67...{z5-z6}special_diag_end(6,5,4,3){z3-z4}...z16&z16 ...{z1-z2}diag_end(2r,1r,1,1,1l,2l)--cycle; % Stroke and diagonals fill z15--diag_end(15,11l,1,1,11r,23) --z23--cycle; % left stem else: z23=whatever[z11r,z12r]=whatever[z3l,z4l]; fill diag_end(11l,12l,1,1,3r,4r){z4-z3}...z45&z45 ...{z6-z5}diag_end(5l,6l,1,1,7r,8r)--diag_end(7r,8r,1,1,8l,7l){z7-z8} ...z67&z67...{z5-z6}special_diag_end(6,5,4,3){z3-z4}...z23&z23 ...{z11-z12}diag_end(12r,11r,1,1,11l,12l)--cycle; % Stroke and diagonals fill diag_end(2r,1r,1,1,1l,2l) --diag_end(1l,2l,1,1,2r,1r)--cycle; % left stem fi if serifs: numeric inner_jut[]; pickup tiny.nib; prime_points_inside(1,2); prime_points_inside(5,6); prime_points_inside(8,7); prime_points_inside(11,12); if monospace: inner_jut1=inner_jut4=1.5cap_jut; elseif hefty: inner_jut1=inner_jut4=cap_jut; else: fill diag_end(6r,5r,1,1,5l,6l)--.9[z5l,z6l] ..{z5-z6}.1[z5r,z6r]--cycle; % middle stem inner_jut2=.7inner_jut1; inner_jut4=1.1inner_jut3; if rt x11'r+cap_jut+.5u+1<=lft x5'l-.7cap_jut: inner_jut1=cap_jut; else: rt x11'r+inner_jut1+.5u+1=lft x5'l-inner_jut2; fi if rt x5'r+1.1cap_jut+.5u+1<=lft x8'l-1.21cap_jut: inner_jut3=cap_jut; else: rt x5'r+inner_jut3+.5u+1=lft x8'l-inner_jut4; fi nodish_serif(5',6,e,1/3,inner_jut2,f,1/2,inner_jut3); fi % middle serif nodish_serif(1',2,a,1/3,outer_jut, b,0,inner_jut1+alpha*doublestroke_dist); % left serif nodish_serif(11',12,g,0,outer_jut+alpha*doublestroke_dist, h,1/2,inner_jut1); % stroke serif nodish_serif(8',7,c,.6,inner_jut4,d,1/2,outer_jut)(dark); % right serif if not doublestroke_twist: z13=whatever[z11,z12]; z14=whatever[z1,z2]; y13=y14=y12+slab; fill z12--z2--z14--z13--cycle; fi % bottom closure fi math_fit(.75u#-cap_height#*slant,ic#-2.5u#); penlabels(0,1,2,3,4,5,6,7,8,23,45,67); endchar; cmchar "The letter X"; beginchar("X",15u#,cap_height#,0); italcorr cap_height#*slant-.25u#; adjust_fit(cap_serif_fit#,cap_serif_fit#); numeric stem[],outer_jut,xjut,alpha[]; stem1=cap_stem-2stem_corr; stem2=min(cap_hair,stem1); outer_jut=.75cap_jut; xjut= if serifs: (stem1-stem2)/4 else: 0 fi; x2r=r-letter_fit-1u-outer_jut-xjut; x3l=l+letter_fit+.75u+outer_jut+xjut; y1=y2=h; y3=y4=0; y21=y1; y22=y4; x1l=l+letter_fit+.25u+outer_jut; x22r=r-letter_fit-.25u-outer_jut; alpha1=diag_ratio(1,stem1+doublestroke_dist,h,x22r-x1l); alpha2=diag_ratio(1,stem2,h,x2r-x3l); penpos1(alpha1*stem1,0); penpos4(alpha1*stem1,0); penpos21(alpha1*doublestroke_thin,0); penpos22(alpha1*doublestroke_thin,0); penpos3(alpha2*stem2,0); penpos2(alpha2*stem2,0); x21l=x1r+alpha1*doublestroke_dist; x4r+alpha1*doublestroke_dist=x22l; z31l=whatever[z2l,z3l]=whatever[z21,z22]; z31r=whatever[z2r,z3r]=whatever[z21,z22]; z32l=whatever[z2l,z3l]=whatever[z1,z4]; z32r=whatever[z2r,z3r]=whatever[z1,z4]; fill diag_end(4r,1r,.5,1,1l,4l) --diag_end(1l,4l,.5,1,4r,1r)--cycle; % left diagonal fill diag_end(22r,21r,.5,1,21l,22l) --diag_end(21l,22l,.5,1,22r,21r)--cycle; % stroke diagonal fill diag_end(2l,3l,.5,1,3r,2r)--z32r--z32l--cycle; % right diagonal, lower part fill diag_end(3r,2r,.5,1,2l,3l)--z31l--z31r--cycle; % right diagonal, upper part if serifs: numeric inner_jut[]; pickup tiny.nib; prime_points_inside(1,4); prime_points_inside(2,3); prime_points_inside(3,2); prime_points_inside(4,1); prime_points_inside(21,22); prime_points_inside(22,21); if rt x21'r+cap_jut+.5u+1<=lft x2'l-cap_jut-xjut: inner_jut1=cap_jut; else: rt x21'r+inner_jut1+.5u+1=lft x2'l-inner_jut1-xjut; fi if rt x3'r+cap_jut+.5u+1<=lft x22'l-cap_jut-xjut: inner_jut2=cap_jut; else: rt x3'r+inner_jut2+.5u+1=lft x22'l-inner_jut2-xjut; fi nodish_serif(1',4,a,1/3,outer_jut, b,0,inner_jut1+doublestroke_dist); % upper left serif nodish_serif(21',22,i,0,outer_jut+doublestroke_dist, j,2/3,inner_jut1); % upper left stroke serif nodish_serif(4',1,c,2/3,inner_jut2, d,0,outer_jut+doublestroke_dist); % lower right serif nodish_serif(22',21,k,0,inner_jut2+doublestroke_dist, l,1/3,outer_jut); % lower right stroke serif nodish_serif(2',3,e,2/3,inner_jut1+xjut, f,1/2,outer_jut+xjut)(dark); % upper right serif nodish_serif(3',2,g,1/2,outer_jut+xjut, h,2/3,inner_jut2+xjut)(dark); fi % lower left serif math_fit(0,.5ic#); penlabels(0,1,2,3,4,12,13,24,34); endchar; cmchar "The letter Y"; beginchar("Y",14u#,cap_height#,0); italcorr cap_height#*slant+.45u#; adjust_fit(cap_serif_fit#,cap_serif_fit#); numeric left_stem,right_stem,outer_jut,dy,alpha; left_stem=cap_stem-stem_corr; right_stem=min(cap_hair if hefty:-2stem_corr fi,left_stem); outer_jut=.75cap_jut; penpos6(left_stem,0); penpos16(doublestroke_thin,0); x6l=w-x16r; x6r+doublestroke_dist=x16l; x1l=w-x4r=l+letter_fit+outer_jut+.05u; penpos15(doublestroke_thin,0); x15=x16; y16=0; y15l=.4h; y1l=h; alpha=diag_ratio(1,left_stem+doublestroke_dist,y1l-y15l,x15l-x1l); penpos1(alpha*left_stem,0); penpos11(alpha*doublestroke_thin,0); penpos3(alpha*right_stem,0); penpos4(alpha*right_stem,0); penpos12(alpha*doublestroke_thin,0); x1r+alpha*doublestroke_dist=x11l; x3r=x15r; x12l=x15l; y6=y16; y1=y4=y11; y3=y12=y15; z1l-z2l=whatever*(z11-z12); z6l-z2l=whatever*(z15-z16); z1r-z2r=whatever*(z11-z12); z6r-z2r=whatever*(z15-z16); z2=0.5[z2l,z2r]; z0=whatever[z11r,z12r]=whatever[z3l,z4l]; if y0>y12+cap_notch_cut: y0:=y12+cap_notch_cut; fill z0+.5right{up}...{z4-z3}diag_end(3l,4l,1,1,4r,3r)--z15r --diag_end(15r,16r,1,1,16l,15l)--z15l--diag_end(12l,11l,1,1,11r,12r){z12-z11} ...{down}z0+.5left--cycle; % diagonals and stroke else: fill z0--diag_end(0,4l,1,1,4r,3r)--z15r --diag_end(15r,16r,1,1,16l,15l)--z15l --diag_end(12l,11l,1,1,11r,0)--cycle; fi % diagonal and stroke fill z2r--diag_end(2r,6r,1,1,6l,2l)--z2l --diag_end(2l,1l,1,1,1r,2r)--cycle; % stem if serifs: numeric inner_jut; pickup tiny.nib; prime_points_inside(1,2); prime_points_inside(4,3); prime_points_inside(6,2); prime_points_inside(11,12); prime_points_inside(16,15); if rt x11'r+cap_jut+.5u+1<=lft x4'l-cap_jut: inner_jut=cap_jut; else: rt x11'r+inner_jut+.5u+1=lft x4'l-inner_jut; fi nodish_serif(1',2,a,1/3,outer_jut,b,0,inner_jut+doublestroke_dist); % upper left serif nodish_serif(11',12,g,0,outer_jut+doublestroke_dist,h,1/2,inner_jut); % upper stroke serif nodish_serif(4',3,c,.6,inner_jut,d,1/2,outer_jut)(dark); % upper right serif nodish_serif(6',2,e,1/3,cap_jut,f,0,cap_jut+doublestroke_dist); % lower serif nodish_serif(16',15,i,0,cap_jut+doublestroke_dist,j,1/3,cap_jut); fi % lower stroke serif math_fit(.5u#-cap_height#*slant,ic#-4u#); penlabels(0,1,2,3,4,5,6); endchar; cmchar "The letter Z"; beginchar("Z",13.5u#,cap_height#,0); italcorr cap_height#*slant-.5u#; adjust_fit(0,0); numeric arm_thickness[],z_stem; if hefty: arm_thickness1=Vround(slab-vair_corr); arm_thickness2=slab; z_stem=.8[vair,cap_stem]; else: arm_thickness1=slab; arm_thickness2=vround(slab+vair_corr); z_stem=.9[vair,cap_stem]; fi pickup tiny.nib; x3l=x4l=w-x1r=w-x2r; lft x3l=hround u; top y1=h; y2=min(y1,h-2/3arm_thickness1); bot y4=0; y3=max(y4,2/3arm_thickness2); y11=y1; y12=y2; y13=y3; y14=y4; numeric alpha; alpha=diag_ratio(1, z_stem-tiny+doublestroke_dist+doublestroke_thin,y2-y3,x2r-x3l); penpos1(alpha*(doublestroke_thin-tiny),0); penpos2(alpha*(doublestroke_thin-tiny),0); penpos3(alpha*(z_stem-tiny),0); penpos4(alpha*(z_stem-tiny),0); penpos11(alpha*(z_stem-tiny),0); penpos12(alpha*(z_stem-tiny),0); penpos13(alpha*(doublestroke_thin-tiny),0); penpos14(alpha*(doublestroke_thin-tiny),0); rt x11r=lft x1l-alpha*doublestroke_dist; rt x12r=lft x2l-alpha*doublestroke_dist; lft x13l=rt x3r+alpha*doublestroke_dist; lft x14l=rt x4r+alpha*doublestroke_dist; pair delta; delta=penoffset z3-z2 of currentpen; fill top lft z11l--z12l+delta---z3l+delta..lft z3l---lft z4l..bot z4l ---bot rt z4r--z3r-delta---z12r-delta..rt z12r---rt z11r..top z11r ---cycle; % diagonal fill top lft z1l--z2l+delta---z13l+delta..lft z13l---lft z14l..bot z14l ---bot rt z14r--z13r-delta---z2r-delta..rt z2r---rt z1r..top z1r ---cycle; % diagonal pickup crisp.nib; pos5(arm_thickness1,90); pos6(hair,180); top y5r=h; x5=x1; lft x6r=hround 1.25u; y6=good.y(y5l-beak)-eps; arm(5,6,a,beak_darkness**.8,-.4beak_jut); % upper arm and beak pos7(arm_thickness2,-90); pos8(hair,0); bot y7r=0; x7=x4; rt x8r=hround(w-.9u); y8=good.y(y7l+1.2beak)+eps; arm(7,8,b,beak_darkness**.9,.6beak_jut); % lower arm and beak math_fit(0,.5ic#); penlabels(1,2,3,4,5,6,7,8); endchar;