EVOLUTION-MANAGER

Edit File: olddig.mf

% THIS IS THE OFFICIAL COMPUTER MODERN SOURCE FILE olddig.mf BY D E KNUTH. % IT MUST NOT BE MODIFIED IN ANY WAY UNLESS THE FILE NAME IS CHANGED! % This file contains the ten digits in so-called old style. % Character codes \0060 through \0071 are generated. cmchar "Oldstyle numeral 0"; beginchar("0",9u#,x_height#,0); italcorr .7x_height#*slant-max(.2u#,.95u#-.5curve#); adjust_fit(0,0); penpos1(vair,90); penpos3(vair,-90); penpos2(curve,180); penpos4(curve,0); if not monospace: interim superness:=sqrt(more_super*hein_super); fi x2r=hround max(.7u,1.45u-.5curve); x4r=w-x2r; x1=x3=.5w; y1r=h+o; y3r=-o; y2=y4=.5h-vair_corr; y2l:=y4l:=.52h; penstroke pulled_arc.e(1,2) & pulled_arc.e(2,3) & pulled_arc.e(3,4) & pulled_arc.e(4,1) & cycle; % bowl penlabels(1,2,3,4); endchar; cmchar "Oldstyle numeral 1"; beginchar("1",9u#,x_height#,0); italcorr x_height#*slant+.5cap_stem#-4.25u#; adjust_fit(0,0); numeric light_stem; light_stem=hround .4[stem',cap_stem']; pickup tiny.nib; pos1(light_stem,0); pos2(light_stem,0); lft x1l=lft x2l=hround(.5(w+.5u)-.5cap_stem'); top y1=h+apex_o; bot y2=0; filldraw stroke z1e--z2e; % stem if not serifs: save slab; slab=bar; fi dish_serif(2,1,a,1/3,min(2.25u,lft x2l-1.5u), b,1/3,min(2.25u,w-1.25u-rt x2r)); % serif pickup crisp.nib; pos3(slab,-90); pos4(bar,-90); top y3l=h+apex_o; top y4l=if monospace: .8 else: .9 fi\\ h+apex_o; lft x4=max(1.25u,tiny.lft x1l-2.35u); tiny.rt x1r=lft x3+.25[tiny,hair]; erase fill z3l{x4l-x3l,3(y4l-y3l)}...z4l{left} --(x4l,h+apex_o+1)--(x3l,h+apex_o+1)--cycle; % erase excess at top filldraw stroke z3e{x4e-x3e,3(y4e-y3e)}..z4e{left}; % point penlabels(1,2,3,4); endchar; cmchar "Oldstyle numeral 2"; beginchar("2",9u#,x_height#,0); italcorr .8x_height#*slant-.4u#; adjust_fit(0,0); numeric arm_thickness, hair_vair; hair_vair=.25[vair,hair]; arm_thickness=Vround(if hefty:slab+2stem_corr else:.75[vair,cap_stem] fi); pickup crisp.nib; pos7(arm_thickness,-90); pos8(hair,0); bot y7r=0; lft x7=hround .8u; rt x8r=hround(w-.9u); y8=good.y(y7l+beak/3)+eps; arm(7,8,a,.3beak_darkness,beak_jut); % arm and beak pickup fine.nib; pos2(slab,90); pos3(.4[curve,cap_curve],0); top y2r=h+o; x2=.5(w-.5u); rt x3r=hround(w-.9u); y3+.5vair=.75h; if serifs: numeric bulb_diam; bulb_diam=hround .8[hair,flare]; pos0(bulb_diam,180); pos1(cap_hair,180); lft x1r=hround u; y1-.5bulb_diam=2/3h; (x,y2l)=whatever[z1l,z2r]; x2l:=x; bulb(2,1,0); % bulb and arc else: x2l:=x2l-.25u; pos1(flare,angle(-9u,h)); lft x1r=hround .75u; bot y1l=vround .7h; y1r:=good.y y1r+eps; x1l:=good.x x1l; filldraw stroke term.e(2,1,left,.9,4); fi % terminal and arc pos4(.25[hair_vair,cap_stem],0); pos5(hair_vair,0); pos6(hair_vair,0); y5=arm_thickness; y4=.3[y5,y3]; top y6=min(y5,slab,top y7l); lft x6l=crisp.lft x7; z4l=whatever[z6l,(x3l,bot .58h)]; z5l=whatever[z6l,z4l]; erase fill z4l--z6l--lft z6l--(lft x6l,y4l)--cycle; % erase excess at left filldraw stroke z2e{right}..tension atleast .9 and atleast 1 ..z3e{down}..{z5e-z4e}z4e--z5e--z6e; % stroke penlabels(0,1,2,3,4,5,6,7,8); endchar; cmchar "Oldstyle numeral 3"; beginchar("3",9u#,x_height#,desc_depth#); italcorr .8x_height#*slant-.4u#; adjust_fit(0,0); numeric top_thickness,mid_thickness,bot_thickness; top_thickness=max(fine.breadth,vround(slab-2vair_corr)); mid_thickness=max(fine.breadth,vround 2/3vair); bot_thickness=max(fine.breadth,vround(slab-vair_corr)); pickup fine.nib; pos2(top_thickness,90); top y2r=h+o; pos3(max(fine.breadth,.6[curve,cap_curve]-stem_corr),0); rt x3r=hround(w-1.25u); pos4(vair,-90); pos5(vair,-90); pos6(mid_thickness,90); x2=x6=x8=.5[1.5u,x7]; pos7(cap_curve,0); rt x7r=hround(w-.75u); lft x5=min(hround 3u,lft x6); pos8(bot_thickness,-90); bot y8r=-d-o; y3=.6[top y4l,bot y2l]; y7=.5[bot y6l,top y8l]; top y5l=vround(.54[-d,h]+.5vair); y5r=y6l; x4=1/3[x5,x3l]; z4=z5+whatever*(150u,h+d); filldraw stroke pulled_super_arc.e(2,3)(.5superpull) & z3e{down}...z4e---z5e; % upper bowl filldraw z5r--z6l--z6r--z5l---cycle; % middle tip filldraw stroke pulled_super_arc.e(6,7)(.5superpull) & pulled_super_arc.e(7,8)(.5superpull); % lower bowl if serifs: numeric bulb_diam[]; bulb_diam1=flare+.5(cap_stem-stem); bulb_diam2=flare+cap_stem-stem; pos0(bulb_diam1,180); pos1(hair,180); lft x0r=hround 1.25u; y0=min(.9[-d,h]-.5bulb_diam1,.75[-d,h]+.5bulb_diam1); bulb(2,1,0); % upper bulb pos10(bulb_diam2,-180); pos9(cap_hair,-180); lft x10r=hround .75u; y10=max(.1[-d,h]+.5bulb_diam2,.3[-d,h]-.5bulb_diam2); bulb(8,9,10); % lower bulb else: pos1(.5[vair,flare],angle(-8u,h+d)); lft x1r=hround u; bot y1l=(vround .75[-d,h])+o; y1r:=good.y y1r+eps; x1l:=good.x x1l; pos9(bot_thickness,angle(-2u,-h-d)); lft x9r=hround .75u; top y9l=(vround .25[-d,h])-o; y9r:=good.y y9r-eps; x9l:=good.x x9l; filldraw stroke term.e(2,1,left,1,4); % upper terminal filldraw stroke term.e(8,9,left,1,4); fi % lower terminal penlabels(0,1,2,3,4,5,6,7,8,9,10); endchar; cmchar "Oldstyle numeral 4"; beginchar("4",9u#,x_height#,desc_depth#); italcorr x_height#*slant+.5stem#-2.5u#; adjust_fit(0,0); numeric light_stem, light_stem', diag_stem, alpha, cut; cut=.75notch_cut; light_stem=hround .4[fudged.stem,fudged.cap_stem]; light_stem'=hround max(tiny.breadth,light_stem-2stem_corr); diag_stem=max(tiny.breadth,.4[vair,fudged.hair]); pickup crisp.nib; pos5(cap_bar,90); pos6(cap_bar,90); lft x5=hround .5u; rt x6=hround(w-.5u); bot y5l=0; z4l=top lft z5r; y2=y2'=y5=y6; x1r=x2r=hround(w-3u+.5light_stem); penpos1(light_stem',0); penpos2(light_stem',0); y1=y3=h+apex_o+apex_oo; x3r+apex_corr=x1r; alpha=diag_ratio(1,diag_stem,y3-y4l,x3r-x4l); penpos3(alpha*diag_stem,0); penpos4(alpha*diag_stem,0); x0=x1l; z0=whatever[z3r,z4r]; x5'=x5; z5''=z5'+penoffset z4-z3 of currentpen=whatever[z4l,z3l]; fill diag_end(2r,1r,1,.5,3l,4l)---z5''...lft z5' ---lft z5l -- (x4r,y5l) -- z4r if y0<h-cut:{z3r-z4r}...{up}(x1l-1,h-cut) --(x1l,h-cut) else: -- z0 fi --z2l--z2r--cycle; % diagonal and upper stem filldraw stroke z5e--z6e; % bar pickup tiny.nib; pos7(light_stem,0); pos2'(light_stem,0); x2'=x7; rt x7r=x1r; bot y7=-d if not serifs:-o fi; filldraw stroke z2'e--z7e; % lower stem if serifs: dish_serif(7,2',a,1/3,1.75u, b,1/3,min(1.75u,w-.5u-rt x7r)); fi % serif penlabels(0,1,2,3,4,5,6,7); endchar; cmchar "Oldstyle numeral 5"; beginchar("5",9u#,x_height#,desc_depth#); italcorr x_height#*slant-u#; adjust_fit(0,0); numeric bot_thickness,light_hair; bot_thickness=max(fine.breadth,vround(slab-vair_corr)); light_hair=hround(cap_hair if hefty: -2stem_corr fi); pickup tiny.nib; pos5(vair,180); pos6(vair,90); bot y5=vround(.53[-d,h]-vair); top y6r=max((vround .61803[-d,h])+o,top y6r+y5+eps-y6l); pos3(light_hair,0); pos4(light_hair,0); lft x3l=max(1.35u,2.1u-.5light_hair); x3=x4=x5; y4=y5; top y3=h if not hefty: +o fi; filldraw stroke z3e--z4e; % thin stem penpos7(cap_stem-fine,0); penpos8(bot_thickness-fine,-90); fine.rt x7r=hround(w-.9u); x8=.5[u,x7]; x6=.5[x5,x7]; erase fill z5--bot z5--(x6,bot y5)--z6{left} ..tension .9 and 1..{x5-x6,3(y5-y6)}cycle; % erase excess in middle filldraw stroke z6e{left}..tension .9 and 1..{x5-x6,3(y5-y6)}z5e; % link pickup fine.nib; pos6'(vair,90); z6'=z6; y7=.5[y6,y8]; bot y8r=-d-o; filldraw stroke pulled_arc.e(6',7) & pulled_arc.e(7,8); % bowl if serifs: pos9(hair,-180); y9=.5[-d,y5]; lft x9r=hround .9u; pos10(flare+1/3(cap_stem-stem),-180); bulb(8,9,10); % bulb else: pos9(3/7[bot_thickness,flare],angle(-7u,-h-d)); lft x9r=hround .9u; bot y9r=(vround .15[-d,h])-o; x9l:=good.x x9l; y9l:=good.y y9l; filldraw stroke term.e(8,9,left,1,4); fi % terminal if hefty: pickup crisp.nib; pos1(slab,90); pos2(hair,0); top y1r=h; x1=x4; rt x2r=hround(w-1.5u); y2=y1l-eps; arm(1,2,a,0,0); % arm else: numeric flag_breadth; flag_breadth=7/8[vair,cap_curve]; pos1(flag_breadth,90); pos2(flag_breadth,60); pos0(vair,90); top y1r=tiny.top y3; top y2r=(vround .95[-d,h])+o; y0r=y1r; lft x1=tiny.lft x3l; x2r=.5[x1,x0]; rt x0=hround(w-1.6u); erase fill top z1r--z1r...{right}z2r --(x2r,top y1r)--cycle; % erase excess at top filldraw stroke z1e...{right}z2e...z0e; fi % flag penlabels(0,1,2,3,4,5,6,7,8,9,10); endchar; cmchar "Oldstyle numeral 6"; beginchar("6",9u#,fig_height#,0); italcorr fig_height#*slant-u#; adjust_fit(0,0); numeric top_thickness,bot_thickness,side_thickness,pull; top_thickness=max(fine.breadth,vround(slab-2vair_corr)); bot_thickness=max(fine.breadth,vround(slab-vair_corr)); side_thickness=max(fine.breadth,hround 1/3[curve,cap_curve]); pull=min(.25,1.5superpull); pickup fine.nib; pos2(top_thickness,-270); pos3(side_thickness,-180); pos4(bot_thickness,-90); pos5(side_thickness,0); pos6(vair,90); lft x3r=w-rt x5r=hround max(.75u,1.5u-.5side_thickness); x4=x6-.1u=x2-u=.5w; top y2r=h+o; y3=.5[y2,y4]; bot y4r=-o; y5=.5[y4,y6]; top y6=vround 5/8h+o; path p; {{interim superness:=more_super; p=pulled_super_arc.l(3,4)(pull)}}; numeric t; t=xpart(p intersectiontimes((x3r,y5)--(x4,y5))); pos7(thin_join,180); z7l=point t of p; (x,y6r)=whatever[z7l,z6l]; x6r:=min(x,.5[x5r,x6]); filldraw stroke pulled_super_arc.e(2,3)(pull) & {{interim superness:=more_super; pulled_super_arc.e(3,4)(pull)}} & {{less_tense; pulled_super_arc.e(4,5)(pull) & pulled_super_arc.e(5,6)(pull)}} & z6e{left}...{direction t of p}z7e; % arc and bowl if serifs: pos1(hair,-360); pos0(flare,-360); rt x0r=max(rt x2+eps,hround(w-1.2u)); y0=vround min(.9h-.5flare,.85h+.5flare)+o; {{less_tense; bulb(2,1,0)}}; % arc and bulb else: pos1(vround .1[top_thickness,flare],90); top y1r=vround .97h+o; rt x1=hround(x5-.5); filldraw stroke term.e(2,1,right,.9,4); fi % terminal penlabels(0,1,2,3,4,5,6,7); endchar; cmchar "Oldstyle numeral 7"; beginchar("7",9u#,x_height#,desc_depth#); italcorr x_height#*slant; adjust_fit(0,0); numeric arm_thickness, bot_width, top_shift, top_hair; if hefty: arm_thickness=Vround(slab+2stem_corr); top_shift=0; bot_width=hround .51[curve,cap_curve]; top_hair=.4[thin_join,bot_width]; else: arm_thickness=Vround .4[stem,cap_stem]; top_shift=.5u; bot_width=flare; top_hair=cap_hair; fi if top_hair<tiny.breadth: top_hair:=tiny.breadth; fi pickup crisp.nib; pos2(arm_thickness,90); pos1(hair,180); top y2r=h; rt x2=hround(w-.75u+top_shift); lft x1r=hround(.75u+.5top_shift); y1=good.y(y2l-beak/2)-eps; arm(2,1,a,.3beak_darkness,-beak_jut); % arm and beak pos3(hair,180); y3=good.y(y2r+beak/6)+eps; z3r=whatever[z1r,z.a0]; penpos2'(2epsilon,-90); z2'=z2r; arm(2',3,b,beak_darkness,x3r-x.a0); % upward extension of beak pickup tiny.nib; pos4(top_hair,0); pos6(bot_width,0); bot y4=max(h-arm_thickness,h-slab,bot y2l); rt x4r=crisp.rt x2; lft x6l=hround(3.5u+top_shift-.5bot_width); if serifs: y6-.5bot_width=-d-o; filldraw z6l{down}..{up}z6r--cycle; % bulb else: bot y6=-d-oo; fi if hefty: erase fill rt z4r--z4r...{down}z6r --(rt x4r,y6)--cycle; % erase excess at top filldraw stroke z4e...{down}z6e; % stroke else: pos5(top_hair,0); y5=2/3[-d,h]; z5=whatever[z4,(.75u,y6)]; erase fill rt z4r--z4r--z5r--(rt x4r,y5)--cycle; % erase excess at top filldraw stroke z4e---z5e...{down}z6e; fi % stroke penlabels(1,2,3,4,5,6); endchar; cmchar "Oldstyle numeral 8"; beginchar("8",9u#,fig_height#,0); italcorr fig_height#*slant-u#; adjust_fit(0,0); numeric top_thickness,mid_thickness,bot_thickness,upper_side,lower_side,theta; top_thickness=max(fine.breadth,vround(slab-2vair_corr)); bot_thickness=max(fine.breadth,vround(slab-vair_corr)); x0=.5w; y0=.54h; if hefty: mid_thickness=vround 2/3vair; upper_side=hround(stem-3stem_corr); lower_side=hround min(.5[curve,cap_curve]-stem_corr,upper_side+.25u); penpos1(top_thickness,90); penpos2(upper_side,180); penpos3(mid_thickness,270); penpos8(upper_side,360); penpos4(mid_thickness,90); penpos7(lower_side,180); penpos6(bot_thickness,270); penpos5(lower_side,360); penpos0(vair,90); z3l=z0r; z4l=z0l; x1=x6=.5w; x2r=w-x8r=hround u; x7r=w-x5r=hround .75u; top y1r=h+o; bot y6r=-o; y2=y8=.5[y1l,y3l]; y7=y5=.5[y4l,y6l]; filldraw stroke pulled_arc.e(1,2) & pulled_arc.e(2,3); % left half of upper bowl filldraw stroke pulled_arc.e(4,5) & pulled_arc.e(5,6); % right half of lower bowl filldraw stroke pulled_arc.e(6,7) & pulled_arc.e(7,4); % left half of lower bowl filldraw stroke pulled_arc.e(3,8) & pulled_arc.e(8,1); % right half of upper bowl else: pickup fine.nib; theta=90-angle(18u,h); slope:=-h/18u; upper_side=max(fine.breadth,hround(.5[hair,stem]-stem_corr)); lower_side=hround(.5[hair,stem]+stem_corr); if lower_side>1.2upper_side: upper_side:=lower_side; fi pos1(top_thickness,-90); pos6(bot_thickness,-90); x1=x6=.5w; top y1l=h+o; bot y6r=-o; pos0(cap_stem,theta); lft x2l=w-rt x8l=hround 1.25u; lft x7r=w-rt x5r=hround .75u; x2r-x2l=upper_side-fine; x5r-x5l=lower_side-fine; ellipse_set(1l,2l,3l,0l); ellipse_set(1r,2r,3r,0r); ellipse_set(6l,5l,4l,0l); ellipse_set(6r,5r,4r,0r); numeric tau; tau=max(.8,.20710678/(superness-.5)); filldraw stroke z1e{left}..tension atleast tau..z2e{down} ..z3e---z4e..z5e{down}..tension atleast tau..z6e{left}; % S stroke pos7(lower_side,180); pos8(upper_side,180); y7=.5[y5l,y5r]; y8=.5[y2l,y2r]; pos9(vair,90); z9=z0; filldraw stroke z1e{right}..tension atleast tau..z8e{down} ..tension atleast tau and atleast 1..{-18u,-.618h}z9e; % upper right stroke filldraw stroke z6e{left}..tension atleast tau..z7e{up} ..tension atleast tau and atleast 1..{18u,.5h}z9e; fi % lower left stroke penlabels(0,1,2,3,4,5,6,7,8,9); endchar; cmchar "Oldstyle numeral 9"; beginchar("9",9u#,x_height#,desc_depth#); italcorr x_height#*slant-u#; adjust_fit(0,0); numeric top_thickness,bot_thickness,side_thickness,pull; top_thickness=max(fine.breadth,vround(slab-2vair_corr)); bot_thickness=max(fine.breadth,vround(slab-vair_corr)); side_thickness=max(fine.breadth,hround 1/3[curve,cap_curve]); pull=min(.25,1.5superpull); pickup fine.nib; pos2(bot_thickness,-90); pos3(side_thickness,0); pos4(top_thickness,90); pos5(side_thickness,180); pos6(vair,270); w-rt x3r=lft x5r=hround max(.75u,1.5u-.5side_thickness); x4-.1u=x6+.1u=x2+.75u=.5w; bot y2r=-d-o; y3=.5[y2,y4]; top y4r=h+o; y5=.5[y4,y6]; bot y6=(vround 3/8[-d,h])-o; path p; {{interim superness:=more_super; p=pulled_super_arc.l(3,4)(pull)}}; numeric t; t=xpart(p intersectiontimes((x3r,y5)--(x4,y5))); pos7(thin_join,360); z7l=point t of p; (x,y6r)=whatever[z7l,z6l]; x6r:=max(x,.5[x5r,x6]); filldraw stroke pulled_super_arc.e(2,3)(pull) & {{interim superness:=more_super; pulled_super_arc.e(3,4)(pull)}} & {{less_tense; pulled_super_arc.e(4,5)(pull) & pulled_super_arc.e(5,6)(pull)}} & z6e{right}...{direction t of p}z7e; % arc and bowl if serifs: pos1(hair,-180); pos0(flare,-180); lft x0r=min(lft x2-eps,hround 1.2u); y0=vround max(.1[-d,h]+.5flare,.15[-d,h]-.5flare)-o; {{less_tense; bulb(2,1,0)}}; % arc and bulb else: pos1(.1[bot_thickness,flare],-120); bot y1r=(vround .07[-d,h])-o; lft x1r=hround 1.3u; filldraw stroke term.e(2,1,left,.9,4); fi % terminal penlabels(0,1,2,3,4,5,6,7); endchar;