EVOLUTION-MANAGER

Edit File: accent.mf

% THIS IS THE OFFICIAL COMPUTER MODERN SOURCE FILE accent.mf BY D E KNUTH. % IT MUST NOT BE MODIFIED IN ANY WAY UNLESS THE FILE NAME IS CHANGED! % This file contains accents common to text roman and italic fonts. % Character codes \0022--\0030, \0040, \0136--\0137, \0175--\0177 are generated. % (Actually the accents in positions \0040, \0137, and \0175 are not generated % unless |ligs>0|, since other symbols are substituted % for those accents in non-ligature fonts.) cmchar "Grave accent"; beginchar(oct"022",9u#,min(asc_height#,2x_height#),0); adjust_fit(0,0); if serifs: pickup crisp.nib; x1-.5stem=hround 2u; x2=2/3[x1,w-x1]; y1+.5stem=h+eps; y2=max(2/3[h,x_height],x_height+o+hair); numeric theta; theta=angle(z2-z1)+90; pos1(stem,theta); pos2(hair,theta); filldraw circ_stroke z1e--z2e; % diagonal else: pickup fine.nib; pos1(stem,0); pos2(vair,0); lft x1l=hround 1.5u; rt x2r=hround(.5w+.25u+.5vair); top y1=h; bot y2=vround 2/3[h,x_height]; filldraw stroke z1e--z2e; fi % diagonal penlabels(1,2); endchar; cmchar "Acute accent"; beginchar(oct"023",9u#,min(asc_height#,2x_height#),0); italcorr h#*slant-if serifs: 1.5 fi u#; adjust_fit(0,0); if serifs: pickup crisp.nib; x1+.5stem=hround(w-2u); x2=2/3[x1,w-x1]; y1+.5stem=h+eps; y2=max(2/3[h,x_height],x_height+o+hair); numeric theta; theta=angle(z2-z1)+90; pos1(stem,theta); pos2(hair,theta); filldraw circ_stroke z1e--z2e; % diagonal else: pickup fine.nib; pos1(stem,0); pos2(vair,0); rt x1r=hround(w-1.5u); lft x2l=hround(.5w-.25u-.5vair); top y1=h; bot y2=vround 2/3[h,x_height]; filldraw stroke z1e--z2e; fi % diagonal penlabels(1,2); endchar; cmchar "Hachek (check) accent"; beginchar(oct"024",9u#,.75[x_height#,min(asc_height#,2x_height#)],0); h':=vround min(asc_height,2x_height); % height of circumflex being inverted if serifs: italcorr h#*slant+.5hair#-1.75u#; adjust_fit(0,0); pickup crisp.nib; pos2'(.5[vair,curve],90); top y2'r=h; pos2(.5[vair,curve],90); x2=.5w; x1=w-x3=good.x 2.25u; top y1=top y3=h; y1-y2=.5(y2'-x_height); pos1(hair,angle(z2-z1)+90); pos3(hair,angle(z3-z2)+90); filldraw stroke z1e--z2e--z3e; % diagonals else: italcorr h#*slant-.5stem#+.5vair#-.75u#; adjust_fit(0,0); pickup fine.nib; pos1(vair,0); pos3(vair,0); x1=w-x3; pos2(stem,0); bot y2=vround(1/12[x_height,h']+o); x2=.5w; top y1=top y3=h+o; lft x1l=hround(rt x2r-3.25u-.5vair); z0=whatever[z1r,z2r]=whatever[z2l,z3l]; y4l=y4r=y2; x4l=good.x .2[x2l,x2]; x4r=w-x4l; filldraw z4l--z1l--z1r--z0--z3l--z3r--z4r--cycle; fi % diagonals penlabels(0,1,2,3,4); endchar; cmchar "Breve accent"; beginchar(oct"025",9u#,min(asc_height#,2x_height#),0); italcorr h#*slant+.5vair#-1.5u#; adjust_fit(0,0); pickup crisp.nib; pos1(vair,-180); pos3(vair,0); top y1=top y3=h; lft x1r=w-rt x3r=hround(2u-.5vair); numeric mid_thickness; mid_thickness=Vround 1/3[vair,stem]; pos2(mid_thickness,-90); x2=.5w; bot y2r=vround max(x_height+o+tiny,1/3[x_height,h]+o-.5mid_thickness); filldraw stroke z1e{down}...z2e{right}...{up}z3e; % stroke penlabels(1,2,3); endchar; cmchar "Macron (bar) accent"; numeric macron_breadth#; macron_breadth#=.2[vair#,stem#]; beginchar(oct"026",9u#,.4[x_height#,asc_height#]+macron_breadth#,0); italcorr h#*slant-.75u#; adjust_fit(0,0); numeric macron_breadth; macron_breadth:=Vround .2[vair,stem]; pickup if serifs: crisp.nib else: fine.nib fi; pos1(macron_breadth,90); pos2(macron_breadth,90); top y1r=top y2r=h+o; lft x1=w-rt x2=hround 1.25u; filldraw stroke z1e--z2e; % bar penlabels(1,2); endchar; cmchar "Scandinavian circle accent"; beginchar(oct"027",13u#+4/3(asc_height#-x_height#)*slant,asc_height#,0); adjust_fit(cap_serif_fit#,cap_serif_fit#); numeric circ_hair,circ_vair; circ_hair=hround min(hair,u+.5); circ_vair=vround min(vair,(h-x_height)/6+.5); penpos1(circ_vair,90); penpos3(circ_vair,-90); penpos2(circ_hair,180); penpos4(circ_hair,0); x2r=hround(.5w-1.5u-.5circ_hair); x4r=w-x2r; x1=x3=.5w; y1r=h+apex_o; y2=y4=.5[y1,y3]; y3r=vround(1/3[x_height,h]+apex_o); 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 "Cedilla accent"; beginchar(oct"030",8u#,0,.875desc_depth#); adjust_fit(0,0); x1=.5w+.5u; if serifs: pickup crisp.nib; pos1(stem,0); pos2(stem,0); pos3(vair,90); pos4(stem,0); pos5(vair,-90); x1=x2; z3l=z2l; x4=x2+1.5u; x5=x3-1.5u; bot y1=-o; bot y2=-vround 2/7d-o; y4=.5[y3,y5]; bot y5=-d-o; filldraw stroke z1e--z2e; % stem filldraw stroke z3e{right}...z4e{down}...{left}z5e; % hook else: pickup fine.nib; pos1(vair,0); top y1=-o-2; pos2(.5[vair,stem],0); bot y2=-d-o; x2=x1-1.25u; filldraw stroke z1e--z2e; fi % diagonal penlabels(1,2,3,4,5); endchar; iff ligs>0: cmchar "Cross for Polish l and L"; if unknown l_width#: l_width#:=5u#+2serif_fit#; fi % nominal width of `l' if unknown L_stem#: L_stem#:=cap_serif_fit#+max(2u#+.5cap_stem#,3u#); fi % center of `L' stem ligtable oct"040": "l" kern -l_width#-2letter_fit#, "L" kern -.5l_width#-L_stem#-2letter_fit#; beginchar(oct"040",l_width#,x_height#,0); adjust_fit(stem_shift#,-stem_shift#); pickup crisp.nib; x2-x1=max(4u,2.8u+stem); .5[x1,x2]=.5w; y1-.5bar=.2[bar_height,x_height]; y2+.5bar=.8[bar_height,x_height]; numeric theta; theta=angle(z2-z1)+90; pos1(bar,theta); pos2(bar,theta); filldraw stroke z1e--z2e; % diagonal penlabels(1,2); endchar; cmchar "Circumflex (hat) accent"; beginchar(oct"136",9u#,min(asc_height#,2x_height#),0); if serifs: italcorr .5[x_height#,h#]*slant+.5hair#-1.75u#; adjust_fit(0,0); pickup crisp.nib; pos2(.5[vair,curve],90); top y2r=h; x2=.5w; x1=w-x3=good.x 2.25u; y1=y3=.5[x_height,y2]; pos1(hair,angle(z2-z1)+90); pos3(hair,angle(z3-z2)+90); filldraw stroke z1e--z2e--z3e; % diagonals else: italcorr 2/3[x_height#,h#]*slant-.5stem#+.5vair#-.75u#; adjust_fit(0,0); pickup fine.nib; pos1(vair,0); pos3(vair,0); x1=w-x3; pos2(stem,0); top y2=h; x2=.5w; bot y1=bot y3=vround 2/3[h,x_height]-eps; lft x1l=hround(rt x2r-3.25u-.5vair); % same slope as in the acute accent z0=whatever[z1r,z2r]=whatever[z2l,z3l]; y4l=y4r=y2; x4l=good.x .2[x2l,x2]; x4r=w-x4l; filldraw z4l--z1l--z1r--z0--z3l--z3r--z4r--cycle; fi % diagonals penlabels(0,1,2,3,4); endchar; iff ligs>0: cmchar "Dot accent"; numeric dot_diam#; dot_diam#=max(dot_size#,cap_curve#); beginchar(oct"137",5u#,min(asc_height#,10/7x_height#+.5dot_diam#),0); define_whole_blacker_pixels(dot_diam); italcorr h#*slant+.5dot_diam#-2u#; adjust_fit(0,0); pickup tiny.nib; pos1(dot_diam,0); pos2(dot_diam,90); x1=x2=.5w; top y2r=h+1; if bot y2l<x_height+o+slab: y2l:=min(y2r-eps,x_height+o+slab+.5tiny); fi y1=.5[y2l,y2r]; dot(1,2); % dot penlabels(1,2); endchar; iff ligs>0: cmchar "Long Hungarian umlaut accent"; beginchar(oct"175",9u#,min(asc_height#,2x_height#),0); italcorr h#*slant-u#; adjust_fit(0,0); x3-x1=x4-x2=hround 3u; y3=y1; y4=y2; if serifs: pickup crisp.nib; x3+.5stem=hround(w-1.5u); x2=2.5u; y1+.5stem=h; y2=max(2/3[h,x_height],x_height+o+hair); numeric theta; theta=angle(z2-z1)+90; pos1(stem,theta); pos2(hair,theta); pos3(stem,theta); pos4(hair,theta); filldraw circ_stroke z1e--z2e; % left diagonal filldraw circ_stroke z3e--z4e; % right diagonal else: pickup fine.nib; pos1(stem,0); pos2(vair,0); pos3(stem,0); pos4(vair,0); rt x3r=hround(w-1.5u); lft x4l=hround(.5w+u-.5vair); top y1=h; bot y2=vround 2/3[h,x_height]; filldraw stroke z1e--z2e; % left diagonal filldraw stroke z3e--z4e; fi % right diagonal penlabels(1,2,3,4); endchar; cmchar "Tilde (squiggle) accent"; beginchar(oct"176",9u#,min(asc_height#,10/7x_height#+.5dot_size#),0); italcorr h#*slant-u#; adjust_fit(0,0); if serifs: numeric theta; theta=angle(1/6(6u-vair),1/4(h-x_height)); pickup crisp.nib; numeric mid_width; mid_width=.4[vair,stem]; pos1(vair,theta+90); pos2(vair,theta+90); pos3(vair,theta+90); pos4(vair,theta+90); z2-z1=z4-z3=(mid_width-crisp)*dir theta; lft x1r=w-rt x4l=hround 1.5u; top y4r=h; bot y1l=vround(bot y1l+min(2/3[x_height,h],y3l-.25vair)-top y1r); pair delta; ypart delta=3(y3l-y1l); delta=whatever*dir theta; filldraw z1l..controls(z1l+delta)and(z3l-delta)..z3l..z4l --z4r..controls(z4r-delta)and(z2r+delta)..z2r..z1r--cycle; % stroke else: pickup fine.nib; pos1(vair,180); pos2(vair,90); pos3(.5[vair,slab],90); pos4(vair,90); pos5(vair,180); lft x1r=w-rt x5l=hround 1.5u; x2-x1=x3-x2=x4-x3=x5-x4; bot y1=bot y4l=vround(.75[x_height,h]-vair); top y2r=top y5=h; y3=.5[y2,y4]; filldraw stroke z1e{up}...z2e{right}..z3e..{right}z4e...{up}z5e; fi % stroke penlabels(1,2,3,4,5); endchar; cmchar "Umlaut (double dot) accent"; numeric dot_diam#,dot_diam; dot_diam#=max(dot_size#,cap_curve#); beginchar(oct"177",9u#,min(asc_height#,10/7x_height#+.5dot_diam#),0); dot_diam=max(tiny.breadth,hround(max(dot_size,cap_curve)-2stem_corr)); italcorr h#*slant+.5dot_diam#-2.25u#; adjust_fit(0,0); pickup tiny.nib; pos1(dot_diam,0); pos2(dot_diam,90); x1=x2=2.75u; top y2r=h+1; if bot y2l<x_height+o+slab: y2l:=min(y2r-eps,x_height+o+slab+.5tiny); fi y1=.5[y2l,y2r]; dot(1,2); % left dot pos3(dot_diam,0); penpos4(y2r-y2l,90); y3=y4=y1; x3=x4=w-x1; dot(3,4); % right dot penlabels(1,2,3,4); endchar;