% This file is a rearrangement of code in Computer Modern's romanu.mf % It contains definitions for Greek capitals. cmchar "Uppercase alpha"; beginchar("A",13u#,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-x4r=l+letter_fit+outer_jut+.5u; y1=y4=0; x2-x1=x4-x3; x3r=x2r+apex_corr; y2=y3=h+apex_o+apex_oo; alpha=diag_ratio(2,left_stem,y2-y1,x4r-x1l-apex_corr); penpos1(alpha*left_stem,0); penpos2(alpha*left_stem,0); penpos3(alpha*right_stem,0); penpos4(alpha*right_stem,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,1/3,-cap_jut); % upper left serif else: serif(5,6,a,1/3,-cap_jut); fi % upper left serif dish_serif(2,1,b,1/2,cap_jut,c,1/2,cap_jut)(dark); % lower left serif dish_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 "Uppercase omicron"; 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 math_fit(-.3cap_height#*slant-.5u#,ic#-.5u#); penlabels(1,2,3,4); endchar; cmchar "Uppercase rho"; beginchar("R",12u#,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); pos0(cap_stem',0); pos0'(cap_stem,0); lft x1l=hround max(2u,3u-.5cap_stem'); top y1=h; bot y2=0; x1l=x2l=x0l=x0'l; y0=y0'=y7; 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 z1; y4=y3; y5=.5[y4l,y6l]; y6=y7; x7=x2; y7l=vround .5h; x4=x6=.5w+.75u; x5r=hround(w-u); x4l:=x6l:=x4-.25cap_curve; filldraw stroke z1e--z0e--z0'e--z2e; % stem fill stroke z3e..pulled_arc.e(4,5) & pulled_arc.e(5,6)..z7e; % lobe if serifs: dish_serif(1,0,a,1/3,cap_jut,b,1/3,.5cap_jut); % upper serif dish_serif(2,0',c,1/3,cap_jut,d,1/3,cap_jut); fi % lower serif math_fit(0,ic#-2.5u#); penlabels(0,1,2,3,4,5,6,7); endchar; cmchar "Uppercase tau"; beginchar("T",13u#-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); lft x1l=lft x2l=hround(.5w-.5cap_stem); top y1=h; bot y2=0; filldraw stroke z1e--z2e; % stem 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; arm(3,5,f,beak_darkness,-.7beak_jut); % left arm and beak if serifs: dish_serif(1,2,a,1/3,.5cap_jut,b,1/3,.5cap_jut); % upper bracketin dish_serif(2,1,c,1/3,1.414cap_jut,d,1/3,1.414cap_jut); fi % lower serif math_fit(-.75cap_height#*slant,ic#-2.5u#); penlabels(1,2,3,4,5,6); endchar; cmchar "Uppercase chi"; beginchar("Q",13u#,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; x1l=l+letter_fit+.5u+outer_jut; x2r=r-letter_fit-u-outer_jut-xjut; x3l=l+letter_fit+.25u+outer_jut+xjut; x4r=r-letter_fit-.25u-outer_jut; y1=y2=h; y3=y4=0; alpha1=diag_ratio(1,stem1,h,x4r-x1l); alpha2=diag_ratio(1,stem2,h,x2r-x3l); penpos1(alpha1*stem1,0); penpos2(alpha2*stem2,0); penpos3(alpha2*stem2,0); penpos4(alpha1*stem1,0); if hefty: z0=whatever[z1,z4]=whatever[z2,z3]; x12=x34=x0; y13=y24=y0; z12=whatever[z2l,z3l]; z13=whatever[z2l,z3l]; z24=whatever[z2r,z3r]; z34=whatever[z2r,z3r]; forsuffixes $=13,24,34: z$'=.1[z$,z0]; endfor fill diag_end(12,1r,.5,1,1l,13')--z13'--diag_end(13',3l,1,.5,3r,34')--z34' --diag_end(34',4l,.5,1,4r,24')--z24' --diag_end(24',2r,1,.5,2l,12)--z12--cycle; % diagonals else: fill diag_end(4r,1r,.5,1,1l,4l) --diag_end(1l,4l,.5,1,4r,1r)--cycle; % left diagonal fill diag_end(2l,3l,.5,1,3r,2r) --diag_end(3r,2r,.5,1,2l,3l)--cycle; fi % right diagonal 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); if rt x1'r+cap_jut+.5u+1<=lft x2'l-cap_jut-xjut: inner_jut1=cap_jut; else: rt x1'r+inner_jut1+.5u+1=lft x2'l-inner_jut1-xjut; fi if rt x3'r+cap_jut+.5u+1<=lft x4'l-cap_jut-xjut: inner_jut2=cap_jut; else: rt x3'r+inner_jut2+.5u+1=lft x4'l-inner_jut2-xjut; fi dish_serif(1',4,a,1/3,outer_jut,b,2/3,inner_jut1); % upper left serif dish_serif(4',1,c,2/3,inner_jut2,d,1/3,outer_jut); % lower right serif dish_serif(2',3,e,2/3,inner_jut1+xjut, f,1/2,outer_jut+xjut)(dark); % upper right serif dish_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 "Uppercase zeta"; beginchar("Z",11u#,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); numeric alpha; alpha=diag_ratio(1,z_stem-tiny,y2-y3,x2r-x3l); penpos1(alpha*(z_stem-tiny),0); penpos2(alpha*(z_stem-tiny),0); penpos3(alpha*(z_stem-tiny),0); penpos4(alpha*(z_stem-tiny),0); pair delta; delta=penoffset z3-z2 of currentpen; fill top lft z1l--z2l+delta---z3l+delta..lft z3l---lft z4l..bot z4l ---bot rt z4r--z3r-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; cmchar "Uppercase gamma"; beginchar("G",11u#-width_adj#,cap_height#,0); italcorr cap_height#*slant-beak_jut#-.25u#; adjust_fit(cap_serif_fit#,0); h:=vround(h-stem_corr); 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 pickup crisp.nib; pos3(slab,90); pos4(hair,0); top y3r=h; x3=x1; rt x4r=hround(w-.75u); y4=good.y(y3l-beak)-eps; arm(3,4,e,beak_darkness,beak_jut); % arm and beak if serifs: dish_serif(1,2,a,1/3,cap_jut,b,1/3,.5cap_jut); % upper serif dish_serif(2,1,c,1/3,cap_jut,d,1/3,1.25cap_jut); fi % lower serif math_fit(0,ic#-2.5u#); penlabels(1,2,3,4); endchar; cmchar "Uppercase delta"; beginchar("D",15u#,cap_height#,0); adjust_fit(0,0); numeric left_stem,alpha; left_stem=cap_hair if hefty: -3stem_corr fi; x1l=w-x4r=.75u; y1=y4=0; x2-x1=x4-x3; x3r=x2r+apex_corr; y2=y3=h+apex_o+apex_oo; alpha=diag_ratio(2,left_stem,y2-y1,x4r-x1l-apex_corr); penpos1(alpha*left_stem,0); penpos2(alpha*left_stem,0); penpos3(alpha*cap_stem,0); penpos4(alpha*cap_stem,0); fill diag_end(2l,1l,1,1,4r,3r)--diag_end(4r,3r,1,1,2l,1l)--cycle; % triangle z0=whatever[z1r,z2r]=whatever[z3l,z4l]; y5=y6=cap_vstem; z5=whatever[z1r,z2r]; z6=whatever[z3l,z4l]; if y0top y7r+.75cap_jut: xjut=.5cap_jut; else: bot y2=top y7r+1.5xjut; fi pos11(hair,0); pos12(hair,0); y11=y12; pos13(hair,0); pos14(hair,0); y13=y14; lft x11l=lft x13l=w-rt x12r=w-rt x14r=hround 2.5u; top y11-bot y13=shaved_stem+2xjut; .5[y11,y13]=y7; filldraw stroke z11e--z13e; filldraw stroke z12e--z14e; fi % middle serifs math_fit(0,.5ic#); penlabels(1,2,3,4,5,6,7,8,11,12,13,14); endchar; cmchar "Uppercase pi"; beginchar("P",13u#+width_adj#,cap_height#,0); italcorr cap_height#*slant-cap_serif_fit#+cap_jut#-2.5u#+min(.5cap_stem#,u#); adjust_fit(cap_serif_fit#,cap_serif_fit#); pickup tiny.nib; h:=vround(h-stem_corr); pos1(cap_stem,0); pos2(cap_stem,0); pos3(cap_stem,0); pos4(cap_stem,0); lft x1l=lft x2l=hround max(2u,3u-.5cap_stem); x3=x4=w-x1; top y1=top y3=h; bot y2=bot y4=0; filldraw stroke z1e--z2e; % left stem filldraw stroke z3e--z4e; % right stem penpos5(cap_bar,90); penpos6(cap_bar,90); x5=x1; x6=x3; y5r=y6r=h; fill stroke z5e--z6e; % bar if serifs: numeric inner_jut; if rt x1r+cap_jut+.5u+1<=lft x3l-cap_jut: inner_jut=cap_jut; else: rt x1r+inner_jut+.5u+1=lft x3l-inner_jut; fi dish_serif(1,2,a,1/3,cap_jut,b,1/3,eps); % upper left serif dish_serif(2,1,c,1/3,cap_jut,d,1/3,inner_jut); % lower left serif dish_serif(3,4,e,1/3,eps,f,1/3,cap_jut); % upper left serif dish_serif(4,3,g,1/3,inner_jut,h,1/3,cap_jut); fi % lower left serif math_fit(0,.5ic#); penlabels(1,2,3,4,5,6); endchar; cmchar "Uppercase sigma"; beginchar("S",13u#,cap_height#,0); italcorr cap_height#*slant-beak_jut#-.5u#; adjust_fit(0,0); numeric bot_arm_thickness; bot_arm_thickness=Vround .25[slab,cap_vstem]; pickup tiny.nib; lft x1l=hround u; x1l=x2l=x4l; top y1=h; bot y2=h-slab; bot y4=0; x3l-x1l=4/11(w-2u); y3=.5h; numeric alpha[]; alpha1=((x3l-x1l)++(y2-y3))/(y2-y3); penpos1(alpha1*(cap_stem-tiny),0); penpos2(alpha1*(cap_stem-tiny),0); penpos3(alpha1*(cap_stem-tiny),0); alpha2=diag_ratio(1,cap_hair-tiny,y3-y4,x3r-x4l); penpos4(alpha2*(cap_hair-tiny),0); z0=whatever[z2l,z3l]=z4l+whatever*(z3r-z4r); filldraw z1l--z2l--z0--z4l--z4r--z3r--z2r--z1r--cycle; % diagonals pickup crisp.nib; pos5(slab,90); pos6(hair,0); top y5r=h; x5=x1; rt x6r=hround(w-u); y6=good.y(y5l-beak)-eps; arm(5,6,a,beak_darkness,beak_jut); % upper arm and beak pos7(bot_arm_thickness,-90); pos8(hair,0); bot y7r=0; z7l=whatever[z4,z3]; x7r:=x4; x8=x6; y8=good.y(y7l+beak)+eps; arm(7,8,b,beak_darkness,beak_jut); % lower arm and beak math_fit(0,.5ic#); penlabels(0,1,2,3,4,5,6,7,8); endchar; cmchar "Uppercase upsilon"; beginchar("U",13u#,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; x1l=w-x4r=l+letter_fit+outer_jut+.05u; x2l=x5l=hround(.5w-.5left_stem); x3r=x5r; y1=y4=h; y2=y3=y5=.4h; dy=y1-y2; alpha=((x2l-x1l)++dy)/dy; penpos1(alpha*left_stem,0); penpos2(alpha*left_stem,0); penpos3(alpha*right_stem,0); penpos4(alpha*right_stem,0); penpos5(left_stem,0); penpos6(left_stem,0); x5=x6; y6=0; z0=whatever[z1r,z2r]=whatever[z3l,z4l]; if y0>y2+cap_notch_cut: y0:=y2+cap_notch_cut; fill z0+.5right{up}...{z4-z3}diag_end(3l,4l,1,1,4r,3r)--z5r --diag_end(5r,6r,1,1,6l,5l)--z5l--diag_end(2l,1l,1,1,1r,2r){z2-z1} ...{down}z0+.5left--cycle; % diagonals and stem else: fill z0--diag_end(0,4l,1,1,4r,3r)--z5r --diag_end(5r,6r,1,1,6l,5l)--z5l --diag_end(2l,1l,1,1,1r,0)--cycle; fi % diagonals and stem if serifs: numeric inner_jut; pickup tiny.nib; prime_points_inside(1,2); prime_points_inside(4,3); prime_points_inside(6,5); if rt x1'r+cap_jut+.5u+1<=lft x4'l-cap_jut: inner_jut=cap_jut; else: rt x1'r+inner_jut+.5u+1=lft x4'l-inner_jut; fi dish_serif(1',2,a,1/3,outer_jut,b,1/2,inner_jut); % upper left serif dish_serif(4',3,c,.6,inner_jut,d,1/2,outer_jut)(dark); % upper right serif dish_serif(6',5,e,1/3,cap_jut,f,1/3,cap_jut); fi % lower serif math_fit(.5u#-cap_height#*slant,ic#-4u#); penlabels(0,1,2,3,4,5,6); endchar; cmchar "Uppercase phi"; beginchar("F",13u#,cap_height#,0); italcorr .5cap_height#*slant-.5u#; adjust_fit(0,0); numeric shaved_stem,light_curve; shaved_stem=cap_stem-hround 2stem_corr; light_curve=cap_curve-hround stem_corr; pickup tiny.nib; pos1(shaved_stem,0); pos2(shaved_stem,0); lft x1l=lft x2l=hround(.5w-.5cap_stem); top y1=h; bot y2=0; filldraw stroke z1e--z2e; % stem penpos3(vair,90); penpos5(vair,-90); penpos4(light_curve,180); penpos6(light_curve,0); x4r=hround u; x6r=w-x4r; x3=x5=.5w; y3r=vround(.85h if serifs:-slab fi); y4=y6=.5[y3,y5]; y5r=vround(.15h if serifs:+slab fi); penstroke pulled_arc.e(3,4) & pulled_arc.e(4,5) & pulled_arc.e(5,6) & pulled_arc.e(6,3) & cycle; % bowl if serifs: dish_serif(1,2,a,1/3,1.25cap_jut,b,1/3,1.25cap_jut); % upper serif dish_serif(2,1,c,1/3,1.25cap_jut,d,1/3,1.25cap_jut); fi % lower serif math_fit(-.5cap_height#*slant-.5u#,ic#); penlabels(1,2,3,4,5,6); endchar; cmchar "Uppercase psi"; beginchar("Y",14u#,cap_height#,0); italcorr .8cap_height#*slant-.5u#; adjust_fit(0,0); numeric shaved_stem; shaved_stem=cap_stem-hround 2stem_corr; pickup tiny.nib; pos1(shaved_stem,0); pos2(shaved_stem,0); lft x1l=lft x2l=hround(.5w-.5cap_stem); top y1=h; bot y2=0; filldraw stroke z1e--z2e; % stem pos3(shaved_stem,-180); pos4(shaved_stem,-180); pos5(vair,-90); x5=x1; bot y5r=vround(.15h if serifs:+slab fi); pos6(shaved_stem,0); pos7(shaved_stem,0); lft x3r=hround u; x7=w-x3; lft x4r=hround(3u-.5shaved_stem); x6=w-x4; pos3'(vair,90); pos7'(vair,90); z3'r=z3r; z7'r=z7r; y3=y7; y4=y6=.6h; y3=good.y(y3+.84h if serifs:-slab fi-y3'); interim superness:=more_super; filldraw z3'l{right}...z4r{down} & super_arc.r(4,5) & super_arc.r(5,6) & z6r{up}...z7'l{right} --z7r---z7l...z6l{down} & super_arc.l(6,5) & super_arc.l(5,4) & z4l{up}...z3l---z3r--cycle; % stroke if serifs: dish_serif(1,2,a,1/3,1.25cap_jut,b,1/3,1.25cap_jut); % upper serif dish_serif(2,1,c,1/3,1.25cap_jut,d,1/3,1.25cap_jut); fi % lower serif math_fit(-.8cap_height#*slant-.5u#,.4cap_height#*slant-1.25u#); penlabels(1,2,3,4,5,6,7); endchar; cmchar "Uppercase omega"; beginchar("W",13u#,cap_height#,0); italcorr .75cap_height#*slant-.5u#; adjust_fit(0,0); pickup tiny.nib; pos1(vair,90); pos2(cap_curve,180); pos3(vair,180); pos4(cap_curve,0); pos5(vair,0); x1=.5w; top y1r=h+o; lft x2r=hround u; y2=y4=2/3h; x4=w-x2; rt x3l=hround(1/3(w+.5u)+.5hair); bot y3=bot y5=0; x5=w-x3; filldraw stroke z3e{up}...{up}z2e & pulled_super_arc.e(2,1)(.5superpull) & pulled_super_arc.e(1,4)(.5superpull) & z4e{down}...{down}z5e; % bowl numeric arm_thickness; path p; p=z3{up}...{up}z2; arm_thickness=Vround(if hefty:slab+2stem_corr else:.75[slab,cap_vstem] fi); pickup crisp.nib; pos6(arm_thickness,-90); pos7(fudged.hair,-180); bot y6r=0; x6=x3; lft x7r=hround .8u; y7=good.y(y6l+.5beak)+eps; (x,y)=p intersectionpoint((0,y6l)--(w,y6l)); x6l:=x; arm(6,7,a,.5beak_darkness,-1.2beak_jut); % left arm and beak pos8(arm_thickness,-90); pos9(fudged.hair,0); y8=y6; y9=y7; x8+x6=x9+x7=w; x8l:=w-x6l; arm(8,9,b,.5beak_darkness,1.2beak_jut); % right arm and beak math_fit(0,.5ic#); penlabels(1,2,3,4,5,6,7,8,9); endchar;