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% This is  UPPERKLM.MF
% Version 1.0b
% Date 8-APR-1991
% 
% (c) 1991 by J"org Knappen. See fc.rme for copying conditions
% This file is part of the fc-package 
% See fc.rme for more information
%
% J"org Knappen
% Institut f"ur Kernphysik
% Postfach 39 80
% D-W 6500 Mainz
% knappen@vkpmzd.kph.uni-mainz.de

% Contents:
%
% The following characters are generated without condition:
%
% K, L, M
%
% And the following on demand, i. e. if their code is known:
%
% hooktop_K, M_acute
%
% Higher versions of this file might include more characters.

cmchar "The letter K";
beginchar("K",13.5u#,cap_height#,0);
italcorr cap_height#*slant-.5u#;
adjust_fit(cap_serif_fit#,cap_serif_fit#);
numeric right_jut,stem[],alpha[];
if serifs: right_jut=.6cap_jut;
else: right_jut=.4tiny; fi
pickup tiny.nib; pos1(fudged.cap_stem,0); pos2(fudged.cap_stem,0);
lft x1l=lft x2l=hround max(2u,3u-.5fudged.cap_stem); top y1=h; bot y2=0;
filldraw stroke z1e--z2e; % stem
stem2=max(tiny.breadth,fudged.cap_stem-3stem_corr);
stem1=max(tiny.breadth,fudged.hair if hefty:-3stem_corr fi);
top y3=h; rt x3r=hround(r-letter_fit-u-right_jut);
bot y6=0; rt x6r=hround(r-letter_fit-.75u-right_jut);
x4=x1; y4=1/3h;
alpha1=diag_ratio(1,.5(stem1-tiny),y3-y4,x3r-x4);
penpos3(alpha1*(stem1-tiny),0); penpos4(whatever,-90);
alpha2=diag_ratio(1,.5(stem2-tiny),y1-y6,x6r-x1);
penpos6(alpha2*(stem2-tiny),0);
forsuffixes $=l,r: y3'$=h; y6'$=0; z4$=z3'$+whatever*(z3-z4);
 z5$=z6'$+whatever*(z1-z6)=whatever[z3,z4]; endfor
z5=.5[z5l,z5r];
z3'r=z3r+penoffset z3-z4 of currentpen+whatever*(z3-z4);
% we have also |z3'l=z3l+penoffset z4-z3 of currentpen+whatever*(z3-z4)|;\]
z6'r=z6r+penoffset z1-z6 of currentpen+whatever*(z1-z6);
z6'l=z6l+penoffset z6-z1 of currentpen+whatever*(z1-z6);
fill z4r--diag_end(4r,3'r,1,.5,3'l,4l)--z4l--cycle;  % upper diagonal
fill z5l--diag_end(5l,6'l,.5,1,6'r,5r)--z5r--cycle;  % lower diagonal
if serifs: numeric inner_jut;
 if rt x2r+cap_jut+.5u+1<=lft x6l-cap_jut: inner_jut=cap_jut;
 else: rt x2r+cap_jut+.5u+1=lft x6l-inner_jut; fi
 dish_serif(1,2,a,1/3,cap_jut,b,1/3,cap_jut); % upper stem serif
 dish_serif(2,1,c,1/3,cap_jut,d,1/3,cap_jut);  % lower stem serif
 dish_serif(3,4,e,2/3,1.2cap_jut,f,1/2,right_jut)(dark); % upper diagonal serif
 dish_serif(6,5,g,1/2,inner_jut,h,1/3,right_jut)(dark);fi % lower diagonal serif
math_fit(0,.5ic#); penlabels(1,2,3,4,5,6); endchar;

iff known hooktop_K:
cmchar "Capital letter hooktop K";
beginchar(hooktop_K,13.5u#,cap_height#,0);
italcorr cap_height#*slant-.5u#;
adjust_fit(cap_serif_fit#,cap_serif_fit#);
numeric right_jut,stem[],alpha[];
if serifs: right_jut=.6cap_jut;
else: right_jut=.4tiny; fi
pickup tiny.nib; pos1(fudged.cap_stem,0); pos2(fudged.cap_stem,0);
lft x1l=lft x2l=hround max(2u,3u-.5fudged.cap_stem); top y1=h; bot y2=0;
filldraw stroke z1e--z2e; % stem
stem2=max(tiny.breadth,fudged.cap_stem-3stem_corr);
stem1=max(tiny.breadth,fudged.hair if hefty:-3stem_corr fi);
top y3=h; rt x3r=hround(r-letter_fit-4u);
bot y6=0; rt x6r=hround(r-letter_fit-.75u-right_jut);
x4=x1; y4=1/3h;
alpha1=diag_ratio(1,.5(stem1-tiny),y3-y4,x3r-x4);
penpos3(alpha1*(stem1-tiny),0); penpos4(whatever,-90);
alpha2=diag_ratio(1,.5(stem2-tiny),y1-y6,x6r-x1);
penpos6(alpha2*(stem2-tiny),0);
forsuffixes $=l,r:% y3'$=h; 
y7''$=.79h; y6'$=0; 
z4$=z7''$+whatever*(z3-z4);
z5$=z6'$+whatever*(z1-z6)=whatever[z3,z4]; endfor
z5=.5[z5l,z5r]; z7=whatever[z3,z4]; y7=h-.21h; penpos7(alpha1*(stem1-tiny),0); 
z7''r=z7r+penoffset z7-z4 of currentpen+whatever*(z7-z4);
z6'r=z6r+penoffset z1-z6 of currentpen+whatever*(z1-z6);
z6'l=z6l+penoffset z6-z1 of currentpen+whatever*(z1-z6);
fill z4r--diag_end(4r,7''r,1,.5,7''l,4l)--z4l--cycle; % part of upper diagonal
fill z5l--diag_end(5l,6'l,.5,1,6'r,5r)--z5r--cycle;   % lower diagonal
if serifs:
  pickup tiny.nib;
  z7'=z7; penpos7'(alpha*(stem1-tiny),180);
  pickup fine.nib;
  pos8(cap_band,90); pos9(cap_hair,0);
  pos10(flare+(cap_stem-stem),0);
  top y8=h+o; x8=.5[x3,x9]; y10=5/6h; rt x10r=hround(w-.5u);
  z9r=z10r;
  filldraw  z7r{z3-z4}...z8l--z8r...{z4-z3}z7l--cycle; % link
  bulb(8,9,10);                      % bulb
 pickup tiny.nib;
 numeric inner_jut; 
 if rt x2r+cap_jut+.5u+1<=lft x6l-cap_jut: inner_jut=cap_jut;
 else: rt x2r+cap_jut+.5u+1=lft x6l-inner_jut; fi
 dish_serif(1,2,a,1/3,cap_jut,b,1/3,cap_jut); % upper stem serif
 dish_serif(2,1,c,1/3,cap_jut,d,1/3,cap_jut);  % lower stem serif
 dish_serif(6,5,g,1/2,inner_jut,h,1/3,right_jut)(dark); % lower diagonal serif
else:
%  pickup fine.nib; 
  pos8(alpha1*(stem1-tiny),0); z8=z7;
  pos9(flare,angle(6.5u,-h)); pos10(flare,-100);
  top y9l=h+o; x9l=.5[x8l,x10l]; rt x10l=hround(w-.5u);
  top y10l=vround.94h+o;
  filldraw stroke z7e{z3-z4}....term.e(9,10,right,1,10);
fi
math_fit(0,.5ic#); penlabels(1,2,3,4,5,6,7,8,9,10); endchar;

cmchar "The letter L";
beginchar("L",11u#-width_adj#,cap_height#,0);
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
pickup crisp.nib; pos3(slab,-90); pos4(hair,0);
bot y3r=0; x3=x2; y4=y3l+7/6beak+eps; rt x4r=hround(w-.75u);
arm(3,4,e,1.2beak_darkness,beak_jut);  % lower arm and beak
if serifs: dish_serif(1,2,a,1/3,cap_jut,b,1/3,1.25cap_jut);  % upper serif
 nodish_serif(2,1,c,1/3,cap_jut,d,1/3,.5cap_jut); fi  % lower serif
math_fit(0,u#); penlabels(1,2,3,4); endchar;

cmchar "The letter M";
beginchar("M",16u#+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#);
numeric stem[]; % thicknesses of the four strokes
stem1=hround(fudged.hair+stem_corr);
stem2=hround(fudged.cap_stem-4stem_corr);
stem3=hround(fudged.hair-stem_corr);
stem4=hround(fudged.cap_stem-3stem_corr);
if stem4<stem1: stem4:=stem1; fi
pickup tiny.nib; pos1(stem1,0); pos2(stem1,0);
pos3(stem4,0); pos4(stem4,0);
x1=x2; x3=x4; x1l=w-x3r; rt x3r=hround min(w-2u,w-3u+.5stem4);
top y1=top y3=h; bot y2=bot y4=0;
filldraw stroke z1e--z2e; % left stem
filldraw stroke z3e--z4e; % right stem
penpos5(stem2,0); penpos6(stem2,0); penpos7(stem3,0); penpos8(stem3,0);
x5l=x1; x6l=x7l; x8=lft x3l; x6-x5=x8-x7; y5=y8=h; y6=y7;
if hefty: y6=if monospace: vround 1/3h else: o fi;
 numeric upper_notch,lower_notch;
 upper_notch=h-cap_notch_cut; lower_notch=y6+cap_notch_cut;
 x1'=rt x1r; z1'=whatever[z5l,z6l]; x3'=lft x3l; z3'=whatever[z7r,z8r];
 z0=whatever[z5r,z6r]=whatever[z7l,z8l];
 fill z5l..
  if y1'<upper_notch: {right}(x1'+1,upper_notch){down}... fi
  {z6-z5}diag_in(5l,6l,1,6r)..diag_out(7l,1,7r,8r){z8-z7}
  if y3'<upper_notch: ...{up}(x3'-1,upper_notch){right} fi
  ..z8r--diag_out(8r,1,8l,7l){z7-z8}
  if y0<=lower_notch: ..{z7-z8}z0{z5-z6}..
  else: ...{down}(x0+.5,lower_notch)--(x0-.5,lower_notch){up}... fi
  {z5-z6}diag_in(6r,5r,1,5l)--cycle;  % diagonals
else: y6=0; z0=whatever[z5r,z6r]=whatever[z7l,z8l];
 fill z5l..{z6-z5}diag_in(5l,6l,1,6r)..diag_out(7l,1,7r,8r){z8-z7}
  ..z8r--diag_out(8r,1,8l,7l){z7-z8}..{z7-z8}z0{z5-z6}
  ..{z5-z6}diag_in(6r,5r,1,5l)--cycle; fi  % diagonals
if serifs: serif(1,2,a,1/3,-cap_jut);  % upper left serif
 dish_serif(2,1,b,1/2,cap_jut,c,1/2,cap_jut)(dark); % lower left serif
 serif(3,4,d,1/3,cap_jut); %  upper right serif
 dish_serif(4,3,e,1/3,cap_jut,f,1/3,cap_jut); fi  % lower right serif
picture savedpicture;
savedpicture:=currentpicture;
math_fit(0,max(.5ic#-.5u#,0));
penlabels(0,1,1',2,3,3',4,5,6,7,8); endchar;

iff known M_acute:
cmchar "Capital letter M with acute";
beginchar(M_acute,16u#+width_adj#,cap_height#+comma_depth#,0);
italcorr cap_height#*slant-cap_serif_fit#+cap_jut#-2.5u#+min(.5cap_stem#,u#);
adjust_fit(cap_serif_fit#,cap_serif_fit#);
currentpicture:=savedpicture;
if serifs: pickup crisp.nib; x1=hround(.5w+2.5u-.5stem); 
  x2=hround(.5w-5/6u);
 y1+.5stem=h+eps; y2=max(2/3[h,cap_height],cap_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(.5w+3u); lft x2l=hround(.5w-.25u-.5vair);
 top y1=h; bot y2=vround 2/3[h,cap_height];
 filldraw stroke z1e--z2e; fi  % diagonal
penlabels(1,2); endchar;

savedpicture:=nullpicture;

  endinput;