% THIS IS THE OFFICIAL COMPUTER MODERN SOURCE FILE cscspu.mf BY D E KNUTH. % IT MUST NOT BE MODIFIED IN ANY WAY UNLESS THE FILE NAME IS CHANGED! % This file puts characters into code positions \0020, \0021, and \0031 % to take the place of dotless i, dotless j, and sharp s % in caps-and-small-caps fonts cmchar "The letter I"; % in code position \0020 beginchar(oct"020",max(6u#,4u#+cap_stem#),cap_height#,0); italcorr cap_height#*slant-.25u#; adjust_fit(cap_serif_fit#,cap_serif_fit#); pickup tiny.nib; pos1(cap_stem,0); pos2(cap_stem,0); lft x1l=lft x2l=hround(.5w-.5cap_stem); top y1=h; bot y2=0; filldraw stroke z1e--z2e; % stem if serifs: dish_serif(1,2,a,1/3,1.05cap_jut,b,1/3,1.05cap_jut); % upper serif dish_serif(2,1,c,1/3,1.05cap_jut,d,1/3,1.05cap_jut); fi % lower serif math_fit(0,.5ic#); penlabels(1,2); endchar; cmchar "The letter J"; % in code position \0021 beginchar(oct"021",9u#,cap_height#,0); italcorr cap_height#*slant-cap_serif_fit# +.75cap_jut#-2.5u#+min(.5cap_stem#,u#); adjust_fit(0,cap_serif_fit#); pickup tiny.nib; pos1(cap_stem',0); pos2(cap_stem',0); top y1=h; rt x1r=hround(w-2u); x2=x1; y2=.21h; if serifs: pos3(vair,-90); pos4(cap_hair,-180); pos5(flare+(cap_stem-stem),-180); bot y3r=-o; x3=.5[x4,x2]; y5=1/6h; rt x5l=hround 2.75u; z5r=z4r; filldraw stroke z1e--z2e&super_arc.e(2,3); % stem and arc dish_serif(1,2,a,1/3,1.3cap_jut,b,1/3,.75cap_jut); % serif pickup tiny.nib; bulb(3,4,5); % bulb else: filldraw stroke z1e--z2e; % stem pickup fine.nib; pos3(cap_stem',0); z3=z2; pos4(flare,angle(6.5u,-h)); pos5(1.1flare,-100); bot y4r=-o; x4r=.5[x5r,x3r]; lft x5r=hround.75u; bot y5r=vround.06h-o; filldraw stroke z3e{down}....term.e(4,5,left,1,4); fi % arc and terminal math_fit(0,.5ic#-.5u#); penlabels(1,2,3,4,5); endchar; cmchar "Two letters S"; beginchar(oct"031",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 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); fi % lower arc and terminal r:=r+w+shrink_fit; charwd:=2charwd; addto currentpicture also currentpicture shifted (w+shrink_fit,0); penlabels(0,1,1',2,3,4,5,6,7,8,8',9,10); endchar;