% ======================================================================
%		   KD Classical Greek Family of Fonts
%		   ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
%
%	A set of MF source fonts for use with TeX version 3.0 or higher
%	accompanied with macros and hyphenation tables to facilitate
%	the typesetting of greek texts
%
%	This piece of work is partially based on original work of
%	Sylvio Levi (design of an excellent set of fonts)  
%	and Yianni Haralambous (ideas about macros other fonts).
%
%	This file is part of the greektex package and abides to 
%	copyright laws of the GNU general public software licence
%
%	You are allowed to use or modify this file as long as the 
%	original authors are clearly mentioned. It is ILLEGAL to sell
%	any part of this work or work derived from it. You may not
%	charge for this work except to cover for reasonable media 
%	expensess.
%
%	K J Dryllerakis (C) 1991-1992 
%
% ======================================================================
%
%
%	File : kdilower.mf
%
%
%

% ======================================================================
% ALFA
% ======================================================================
 
def width =   8.5u enddef;
def height = x_height enddef;
def dims = width#,height#,0 enddef;
def ital = 0 enddef;
def fit_params = 0,.5u# enddef;
def acc_corr = 1.5u enddef;
 
def gen_letter =
adjust_fit(0,0); pickup fine.nib; w:=w+.5u;
pos0(hair,0); pos1(vair,90); pos2(curve,180); pos3(vair,270);
pos4(stem,0); x4=x0; y4+.5stem=vround .98h;
x1=x3=.5[x0,x2]; lft x2r=hround(1.5u-.5curve);
rt x4r=hround(w-2.5u+.5stem);
top y1r=h+oo; bot y3r=-oo; y0=y2=.5[y1,y3];
filldraw stroke super_arc.e(0,1) & pulled_arc.e(1,2)
 & pulled_arc.e(2,3) & super_arc.e(3,0);  % bowl
x5=x4; x7=w; hook_out(5,6,7);  % closing hook
filldraw circ_stroke z4e--z5e;  % stem
math_fit(-.3x_height#*slant+.5curve#-u#,ic#);
    numeric x_baryctr; x_baryctr=.25[x1,x4];          %accent reference
  numeric pos_stem; pos_stem=x_baryctr;               %iota reference
  traba(-.5u);
enddef;

cmchar "Lowercase alpha";
beginchar("a",dims);
this_letter; penlabels(0,1,2,3,4,5,6,7); endchar;

cmchar "Lowercase alpha with rough breathing";
beginchar(oct"200",width#+u#,acc_ht#,0);
this_letter; spirit(x_baryctr)<; endchar;

cmchar "Lowercase alpha with smooth breathing";
beginchar(oct"210",width#+u#,acc_ht#,0);
this_letter; spirit(x_baryctr)>; endchar;
%
cmchar "Lowercase alpha with acute";
beginchar(oct"220",width#+u#,acc_ht#,0);
this_letter; acute(x_baryctr); endchar;
%
cmchar "Lowercase alpha with rough breathing and acute";
beginchar(oct"230",width#+u#,acc_ht#,0);
this_letter; spirit_acute(x_baryctr)<; endchar;
%
cmchar "Lowercase alpha with smooth breathing and acute";
beginchar(oct"240",width#+u#,acc_ht#,0);
this_letter; spirit_acute(x_baryctr)>; endchar;
%
cmchar "Lowercase alpha with rough breathing and grave";
beginchar(oct"260",width#+u#,acc_ht#,0);
this_letter; spirit_grave(x_baryctr)<; endchar;
%
cmchar "Lowercase alpha with smooth breathing and grave";
beginchar(oct"270",width#+u#,acc_ht#,0);
this_letter; spirit_grave(x_baryctr)>; endchar;
%
cmchar "Lowercase alpha with circumflex";
beginchar(oct"207",width#+u#,circ_ht#,0);
this_letter; circumflex(x_baryctr); endchar;
%
cmchar "Lowercase alpha with grave";
beginchar(oct"250",width#+u#,acc_ht#,0);
this_letter; grave(x_baryctr); endchar;
%

cmchar "Lowercase alpha with rough breathing and circumflex";
beginchar(oct"300",width#+u#,Circ_ht#,0);
this_letter; spirit_circumflex(x_baryctr)<; endchar;

cmchar "Lowercase alpha with smooth breathing and circumflex";
beginchar(oct"310",width#+u#,Circ_ht#,0);
this_letter; spirit_circumflex(x_baryctr)>; endchar;
%
cmchar "Lowercase alpha with iota subscript";
beginchar(oct"320",width#+u#,height#,iota_dp#);
this_letter; iota_sub(pos_stem); endchar;
%
cmchar "Lowercase alpha with acute and iota subscript";
beginchar(oct"301",width#+u#,acc_ht#,iota_dp#);
this_letter; acute(x_baryctr); iota_sub(pos_stem); endchar;

cmchar "Lowercase alpha with grave and iota subscript";
beginchar(oct"330",width#+u#,acc_ht#,iota_dp#);
this_letter; grave(x_baryctr); iota_sub(pos_stem); endchar;

cmchar "Lowercase alpha with rough breathing and iota subscript";
beginchar(oct"340",width#+u#,acc_ht#,iota_dp#);
this_letter; spirit(x_baryctr)<; iota_sub(pos_stem); endchar;

cmchar "Lowercase alpha with smooth breathing and iota subscript";
beginchar(oct"350",width#+u#,acc_ht#,iota_dp#);
this_letter; spirit(x_baryctr)>; iota_sub(pos_stem); endchar;

cmchar "Lowercase alpha with rough breathing, grave and iota subscript";
beginchar(oct"360",width#+u#,acc_ht#,iota_dp#);
this_letter; spirit_grave(x_baryctr)<; iota_sub(pos_stem); endchar;

cmchar "Lowercase alpha with smooth breathing, grave and iota subscript";
beginchar(oct"361",width#+u#,acc_ht#,iota_dp#);
this_letter; spirit_grave(x_baryctr)>; iota_sub(pos_stem); endchar;

cmchar "Lowercase alpha with rough breathing and acute and iota subscript";
beginchar(oct"311",width#+u#,acc_ht#,iota_dp#);
this_letter; spirit_acute(x_baryctr)>; iota_sub(pos_stem); endchar;

cmchar "Lowercase alpha with smooth breathing and acute and iota subscript";
beginchar(oct"321",width#+u#,acc_ht#,iota_dp#);
this_letter; spirit_acute(x_baryctr)>; iota_sub(pos_stem); endchar;

cmchar "Lowercase alpha with circumflex and iota subscript";
beginchar(oct"331",width#+u#,circ_ht#,iota_dp#);
this_letter; circumflex(x_baryctr); iota_sub(pos_stem); endchar;

cmchar "Lowercase alpha with rough breathing, circumflex and iota subscript";
beginchar(oct"341",width#+u#,acc_ht#,iota_dp#);
this_letter; spirit_circumflex(x_baryctr)<; iota_sub(pos_stem); endchar;

cmchar "Lowercase alpha with smooth breathing, circumflex and iota subscript";
beginchar(oct"351",width#+u#,acc_ht#,iota_dp#);
this_letter; spirit_circumflex(x_baryctr)>; iota_sub(pos_stem); endchar;

picture pic.iota;
picture savedpicture;
 
% ======================================================================
% BHTA
% ======================================================================
 
def dims = 8u#,asc_height#,desc_depth# enddef;
def ital = 0 enddef;
def fit_params = 0,0 enddef;
 
def gen_letter=
adjust_fit(0,0); pickup fine.nib; w:=w+1.5u;
pos0(.5[hair,stem],180); pos1(.5[hair,stem],180); pos2(vair,90);
pos3(stem,0); pos4(vair,-90); pos5(hair,-180);
pos6(vair,-270); pos7(curve,-360); pos8(vair,-450); pos9(hair,-540);
x0=x1=x9; lft x0l=hround(1.5u-.5hair); x2=x4=x6=x8=.5w+.25u;
rt x3r=hround(w-1.5u); rt x7r=hround(w-1.5u+.5curve); rt x5l=hround(x4-u);
bot y0=-d; y1=top y6r=x_height; top y2r=h+oo; y3=.5[y2,y4];
y5=.5[y4,y6]; top y6r-bot y4r=vstem+eps; bot y8=-oo; y7=y9=.5[y6,y8];
if y6l<y4l: y6l:=y4l:=y5; fi
filldraw stroke z0e---z1e...pulled_arc.e(2,3)
 & pulled_arc.e(3,4)...{up}z5e;  % stem and upper bowl
filldraw stroke z5e{up}...pulled_arc.e(6,7)
 & pulled_arc.e(7,8)...{up}z9e;  % lower bowl
math_fit(desc_depth#*slant+.5hair#-u#,.7x_height#*slant+.5curve#-1.5u#);
traba(-.5u);
enddef;
 
cmchar "Lowercase beta";
beginchar("b",dims);
this_letter; penlabels(0,1,2,3,4,5,6,7,8,9); endchar;
 
picture savedpicture;
 
% ======================================================================
% GAMMA
% ======================================================================
 
def dims = 8.5u#,x_height#,desc_depth# enddef;
def ital = 0 enddef;
def fit_params = 0,0 enddef;
 
def gen_letter=
  adjust_fit(0,0); pickup fine.nib; w:=w+1.5u;
pos1(hair,180); pos2(vstem+dw,90);
pos4(hair,0); pos5(vair,-90); pos6(hair,-180); pos7(hair,-180);
bot y1=.5772156649h; top y2r=h+oo; y4=y6=-.5d;
bot y5r=-d-o; top y7=h;
lft x1r=hround(.5u-.5hair); x2=2.5u; rt x4r=hround(w-3u); x5=.5[x4,x6];
rt x4l-lft x6l=curve; rt x7l=hround(w-u);
if x4l<x6l: x4l:=x6l:=x5; fi
pos3(hair,angle(z4-z2)+90); x3=superness[x2,x4]; y3=superness[y4,y2];
filldraw stroke z1e{up}...z2e{right}...z3e{z4-z2}
 ...z4e{down}...{left}z5e; % arc
filldraw stroke z5e{left}...z6e{up}..{2(x7-x6),y7-y6}z7e;  % stem
math_fit(-.5772156649x_height#*slant,ic#-u#);
traba(-.5u);
enddef;
 
cmchar "Lowercase gamma";
beginchar("g",dims);
this_letter; penlabels(1,2,3,4,5,6,7);  endchar;
 
picture savedpicture;
 
% ======================================================================
% DELTA
% ======================================================================

def dims = 7.25u#,asc_height#,0 enddef;
def ital = 0 enddef;
def fit_params = 0,0 enddef;
 
def gen_letter =
  adjust_fit(0,0); pickup fine.nib; w:=w+.75u;
pos1(hair,-180); pos2(vair,-90);
numeric theta; theta=angle(18u,-h); pos9(hair,theta);
pos3(stem,theta+90); pos4(stem,theta+90); pos5(1/4[hair,stem],20);
pos6(vair,-90); pos7(curve,-180); pos8(vair,-270);
rt x1l=hround(w-2u+.5hair); x2=.5w; x3r=3u; rt x5r=hround(w-u);
x9l=hround(x1+u); y9=y1;
x4=x6=x8=.5w+.5u; lft x7r=hround(1.5u-.5curve);
top y2l=h+oo; y1=min(.9h,y2r-eps); top y8r=x_height+oo; y4=y8;
z4-z3=whatever*(18u,-h); y5=y7=.5[y6,y8]; bot y6=-oo;
filldraw stroke z1e{x2-x1,3(y2-y1)}...z2e{left}...z3e---z4e
 ....z5e{down}...pulled_arc.e(6,7) & pulled_arc.e(7,8);  % hook and bowl
filldraw stroke z1{x1-x2,3(y1-y2)}...{x1-x2,3(y2-y1)}z9;
math_fit(-.3x_height#*slant+.5curve#-u#,.7x_height#*slant-.5u#);
traba(-.5u);
enddef;

cmchar "Lowercase delta";
beginchar("d",dims);
this_letter; penlabels(1,2,3,4,5,6,7,8); endchar;

picture savedpicture;
%
% ======================================================================
% EYILON
% ======================================================================
%
def width = 6.5u enddef;
def height = x_height enddef;
def dims = width#,height#,0 enddef;
def ital = 0 enddef;
def fit_params = 0,0 enddef;
def acc_corr = 1.5u enddef;

def gen_letter =
adjust_fit(0,0); pickup fine.nib; w:=w+1.5u;
numeric light_vstem; light_vstem=Vround 2/3[vair,vstem];
pos2(light_vstem,90); x2=x8=.5w+.5u; top y2r=h+o;
x1+.5light_vstem=hround(w-u); y1=.2[y2,bar_height];
pos1(light_vstem,angle(x1-x2,2(y1-y2))+90); pos3(hair,180); pos4(vair,270);
pos5(hair,360); pos6(vair,450); pos7(hair,540); pos8(light_vstem,630);
lft x3r=hround u; x4=x6=.5w; rt x5r=hround(w-2.5u); x7=x3;
y3=.5[y2,y4]; y5=bar_height=.5[y4,y6]; y7=.5[y6,y8]; bot y8r=-o;
top y6r-bot y4r=vstem+eps; if y6l<y4l: y6l:=y4l:=y5; fi
x9+.5vair=hround(w-.5u); y9=1/3[y8,bar_height];
pos9(vair,angle(x8-x9,2(y8-y9))+90);
filldraw circ_stroke z1e{x2-x1,2(y2-y1)}...pulled_super_arc.e(2,3)(.5superpull)
 & super_arc.e(3,4)...{up}z5e;  % upper arc
filldraw circ_stroke z9e{x8-x9,8(y8-y9)}...pulled_arc.e(8,7)
 & super_arc.e(7,6)...{down}z5e;  % lower arc
math_fit(-.5bar_height#*slant-.5u#,ic#);
   numeric x_baryctr; x_baryctr=x2;                    %   accent reference
traba(-.5u);
enddef;
 
cmchar "Lowercase epsilon";
beginchar("e",dims);
this_letter; penlabels(1,2,3,4,5,6,7,8,9); endchar;
%
cmchar "Lowercase epsilon with rough breathing";
beginchar(oct"201",width#+1.2u#,acc_ht#,0);
this_letter; spirit(x_baryctr)<; endchar;

cmchar "Lowercase epsilon with smooth breathing";
beginchar(oct"211",width#+1.2u#,acc_ht#,0);
this_letter; spirit(x_baryctr)>; endchar;

cmchar "Lowercase epsilon with acute";
beginchar(oct"221",width#+1.2u#,acc_ht#,0);
this_letter; acute(x_baryctr); endchar;

cmchar "Lowercase epsilon with rough breathing and acute";
beginchar(oct"231",width#+1.2u#,acc_ht#,0);
this_letter; spirit_acute(x_baryctr)<; endchar;

cmchar "Lowercase epsilon with smooth breathing and acute";
beginchar(oct"241",width#+1.2u#,acc_ht#,0);
this_letter; spirit_acute(x_baryctr)>; endchar;

cmchar "Lowercase epsilon with rough breathing and grave";
beginchar(oct"261",width#+1.2u#,acc_ht#,0);
this_letter; spirit_grave(x_baryctr)<; endchar;

cmchar "Lowercase epsilon with smooth breathing and grave";
beginchar(oct"271",width#+1.2u#,acc_ht#,0);
this_letter; spirit_grave(x_baryctr)>; endchar;

cmchar "Lowercase epsilon with grave";
beginchar(oct"251",width#+1.2u#,acc_ht#,0);
this_letter; grave(x_baryctr); endchar;
%
picture savedpicture;
%
% ======================================================================
% ZHTA
% ======================================================================
%
def dims = 7u#,asc_height#,desc_depth# enddef;
def ital = 0 enddef;
def fit_params = 0,0 enddef;
%
def gen_letter=
adjust_fit(0,0); pickup fine.nib; w:=w+u;
pos0(hair,-360); pos1(vair,-270); pos2(hair,-180); pos3(vair,-90);
numeric theta; theta=90-angle(25u,x_height); slope:=-x_height/25u;
pos6(stem,theta); pos7(vair,-90); pos8(vair,-135);
lft x0l=hround 3.5u; x1=x3=.5[x0,x2]; rt x2l=hround max(rt x0r,w-2u)+eps;
top y0=h; top y3l=bot y1l+vstem+eps=vround(y0-.25(h-x_height)); y2=.5[y1,y3];
if y1r>y3r: y1r:=y3r:=y2; fi
lft x4l=hround u; x4r-x4l=(hround .6[vair,stem])-fine;
x6+.5u=x7=w-2u; x8=.5w+.75u;
y6=-.1d; y8=-3/4d-oo; bot y7r=-d-oo;
ellipse_set(3l,4l,5l,6l); ellipse_set(3r,4r,5r,6r);
y4l:=.9[y6,y4l]; y4=y4r:=.9[y6,y4r];
filldraw circ_stroke z0e{down}...z1e{right}...{up}z2e;  % opening hook
filldraw circ_stroke z8e{x7-x8,2(y7-y8)}...z7e{right}
 ...z6e---z5e....{up}z4e
 ..tension 1 and atleast1.5..{right}z3e...{down}z2e;  % main stroke
math_fit(-.2asc_height#*slant-.5u#,0);
traba(-.5u);
enddef;
%
cmchar "Lowercase zeta";
beginchar("z",dims);
this_letter; penlabels(0,1,2,3,4,5,6,7,8); endchar;
%
picture savedpicture;
%
% ======================================================================
% HTA [Bug fixed by Knappen June 1992]
% ======================================================================
%
def width = 8.5u enddef;
def dims = width#,x_height#,desc_depth# enddef;
def ital = 0 enddef;
def fit_params = if straight: .75 else: .5 fi u#,0 enddef;
def acc_corr = 1.5u enddef;
%
def gen_letter =
adjust_fit(0,0); pickup fine.nib; w:=w+.5u;
x0=0; x1=x2; pos2(stem,0); lft x2l=hround(2.5u-.5stem); y2-.5stem=-oo;
hook_in(0,a,1);  % opening hook
filldraw circ_stroke z2e--z1e;  % left stem
x4+.5stem=hround(w-1.5u+.5stem); ital_arch(2,3,4);  % arch
pos5(stem,0); x5=x4; y5-.5stem=-d-o;
filldraw circ_stroke z5e--z4e;  % right stem
math_fit(-2/3x_height#*slant+.5hair#+.5u#,ic#-1/3x_height#*slant);
 numeric x_baryctr; x_baryctr=.1[x3,x0];           % accent reference
 numeric pos_stem; pos_stem=x2;                         % iota reference
enddef;
%
cmchar "Lowercase eta";
beginchar("h",dims);
this_letter; penlabels(0,a,1,2,3,4,5); endchar;
%
cmchar "Lowercase eta with rough breathing";
beginchar(oct"202",width#+1.3u#,acc_ht#,desc_depth#);
this_letter; spirit(x_baryctr)<; endchar;
 
cmchar "Lowercase eta with smooth breathing";
beginchar(oct"212",width#+1.3u#,acc_ht#,desc_depth#);
this_letter; spirit(x_baryctr)>; endchar;
 
cmchar "Lowercase eta with acute";
beginchar(oct"222",width#+1.3u#,acc_ht#,desc_depth#);
this_letter; acute(x_baryctr); endchar;
 
cmchar "Lowercase eta with rough breathing and acute";
beginchar(oct"232",width#+1.3u#,acc_ht#,desc_depth#);
this_letter; spirit_acute(x_baryctr)<; endchar;
 
cmchar "Lowercase eta with smooth breathing and acute";
beginchar(oct"242",width#+1.3u#,acc_ht#,desc_depth#);
this_letter; spirit_acute(x_baryctr)>; endchar;
%
cmchar "Lowercase eta with rough breathing and grave";
beginchar(oct"262",width#+1.3u#,acc_ht#,desc_depth#);
this_letter; spirit_grave(x_baryctr)<; endchar;
 
cmchar "Lowercase eta with smooth breathing and grave";
beginchar(oct"272",width#+1.3u#,acc_ht#,desc_depth#);
this_letter; spirit_grave(x_baryctr)>; endchar;
%
cmchar "Lowercase eta with circumflex";
beginchar(oct"217",width#+1.3u#,circ_ht#,desc_depth#);
this_letter; circumflex(x_baryctr); endchar;
%
cmchar "Lowercase eta with grave";
beginchar(oct"252",width#+1.3u#,acc_ht#,desc_depth#);
this_letter; grave(x_baryctr); endchar;
%

cmchar "Lowercase eta with rough breathing and circumflex";
beginchar(oct"302",width#+1.3u#,Circ_ht#,desc_depth#);
this_letter; spirit_circumflex(x_baryctr)<; endchar;

cmchar "Lowercase eta with smooth breathing and circumflex";
beginchar(oct"312",width#+1.3u#,Circ_ht#,desc_depth#);
this_letter; spirit_circumflex(x_baryctr)>; endchar;

cmchar "Lowercase eta with grave and iota subscript";
beginchar(oct"332",width#+1.3u#,acc_ht#,desc_depth#);
this_letter; grave(x_baryctr); iota_sub(pos_stem); endchar;

cmchar "Lowercase eta with rough breathing and iota subscript";
beginchar(oct"342",width#+1.3u#,acc_ht#,desc_depth#);
this_letter; spirit(x_baryctr)<; iota_sub(pos_stem); endchar;

cmchar "Lowercase eta with smooth breathing and iota subscript";
beginchar(oct"352",width#+1.3u#,acc_ht#,desc_depth#);
this_letter; spirit(x_baryctr)>; iota_sub(pos_stem); endchar;

cmchar "Lowercase eta with acute and iota subscript";
beginchar(oct"303",width#+1.3u#,acc_ht#,desc_depth#);
this_letter; acute(x_baryctr); iota_sub(pos_stem); endchar;

cmchar "Lowercase eta with rough breathing, acute and iota subscript";
beginchar(oct"313",width#+1.3u#,acc_ht#,desc_depth#);
this_letter; spirit_acute(x_baryctr)<; iota_sub(pos_stem); endchar;

cmchar "Lowercase eta with smooth breathing and acute and iota subscript";
beginchar(oct"323",width#+1.3u#,acc_ht#,desc_depth#);
this_letter; spirit_acute(x_baryctr)>; iota_sub(pos_stem); endchar;

cmchar "Lowercase eta with rough breathing, grave and iota subscript";
beginchar(oct"362",width#+1.3u#,acc_ht#,desc_depth#);
this_letter; spirit_grave(x_baryctr)<; iota_sub(pos_stem); endchar;

cmchar "Lowercase eta with smooth breathing and grave and iota subscript";
beginchar(oct"363",width#+1.3u#,acc_ht#,desc_depth#);
this_letter; spirit_grave(x_baryctr)>; iota_sub(pos_stem); endchar;

cmchar "Lowercase eta with circumflex and iota subscript";
beginchar(oct"333",width#+1.3u#,circ_ht#,desc_depth#);
this_letter; circumflex(x_baryctr); iota_sub(pos_stem); endchar;

cmchar "Lowercase eta with rough breathing, circumflex and iota subscript";
beginchar(oct"343",width#+1.3u#,Circ_ht#,desc_depth#);
this_letter; spirit_circumflex(x_baryctr)<; iota_sub(pos_stem); endchar;

cmchar "Lowercase eta with smooth breathing, circumflex and iota subscript";
beginchar(oct"353",width#+1.3u#,Circ_ht#,desc_depth#);
this_letter; spirit_circumflex(x_baryctr)>; iota_sub(pos_stem); endchar;

cmchar "Lowercase eta with iota subscript";
beginchar(oct"322",width#+1.3u#,x_height#,desc_depth#);
this_letter; iota_sub(pos_stem); endchar;
 
picture pic.iota;
picture savedpicture;
%
% ======================================================================
% JHTA
% ======================================================================
%
def dims = 7u#,asc_height#,0 enddef;
def ital = 0 enddef;
def fit_params = 0,0 enddef;
%
def gen_letter=
adjust_fit(0,0); pickup fine.nib; w:=w+1.25u;
pos1(vair,90); pos2(curve,180); pos3(vair,270); pos4(curve,360);
x1=x3=.5w; lft x2r=hround(1.5u-.5curve); x4=w-x2;
top y1r=h+oo; y2=y4=.5[y1,y3]; bot y3r=-oo;
filldraw stroke pulled_arc.e(1,2) & pulled_arc.e(2,3)
 & pulled_arc.e(3,4) & pulled_arc.e(4,1);  % bowl
pos2'(bar,90); pos4'(bar,90); z2'=z2l; z4'=z4l;
filldraw stroke z2'e--z4'e;  % bar
math_fit(-.3asc_height#*slant-u#+.5curve#,ic#-.5u#);
traba(-.5u);
enddef;
%
cmchar "Lowercase theta";
beginchar("j",dims);
this_letter; penlabels(1,2,3,4); endchar;
%
picture savedpicture;
%
% ======================================================================
% IWTA
% ======================================================================
%
def width = 5u enddef;
def dims = width#,x_height#,0 enddef;
def ital = 0 enddef;
def fit_params = if monospace: u#,u# else:0,2curve#-3u# fi enddef;
def acc_corr = 0 enddef;
%
def gen_letter=
adjust_fit(if monospace: u#,u# else: 0,0 fi); pickup fine.nib;
pos1(stem,0); lft x1l=hround(1.5u-.5stem); y1+.5stem=h+oo;
x2=x1-.25u; x4=w; hook_out(2,3,4)(skewed);  % closing hook
filldraw circ_stroke z1e{down}...{-u,-x_height}z2e;  % stem
math_fit(0,ic#);  numeric x_baryctr; x_baryctr=x1;
enddef;
%
cmchar "Lowercase iota";
beginchar("i",dims);
this_letter; penlabels(1,2,3,4); endchar;
%
cmchar "Lowercase iota with rough breathing";
beginchar(oct"205",width#,acc_ht#,0);
this_letter; spirit(x_baryctr if serifs: +.25u fi)<; endchar;
%
cmchar "Lowercase iota with smooth breathing";
beginchar(oct"215",width#,acc_ht#,0);
this_letter; spirit(x_baryctr if serifs: -.25u fi)>; endchar;
%
cmchar "Lowercase iota with acute";
beginchar(oct"225",width#,acc_ht#,0);
this_letter; acute(x_baryctr); endchar;
%
cmchar "Lowercase iota with rough breathing and acute";
beginchar(oct"235",width#,acc_ht#,0);
this_letter; spirit_acute(x_baryctr)<; endchar;
%
cmchar "Lowercase iota with smooth breathing and acute";
beginchar(oct"245",width#,acc_ht#,0);
this_letter; spirit_acute(x_baryctr)>; endchar;
%
cmchar "Lowercase iota with rough breathing and grave";
beginchar(oct"265",width#,acc_ht#,0);
this_letter; spirit_grave(x_baryctr)<; endchar;
%
cmchar "Lowercase iota with smooth breathing and grave";
beginchar(oct"275",width#,acc_ht#,0);
this_letter; spirit_grave(x_baryctr)>; endchar;
%
cmchar "Lowercase iota with circumflex";
beginchar(oct"237",width#,circ_ht#,0);
this_letter; circumflex(x_baryctr); endchar;
%
cmchar "Lowercase iota with grave";
beginchar(oct"255",width#,acc_ht#,0);
this_letter; grave(x_baryctr); endchar;
%
cmchar "Lowercase iota with rough breathing and circumflex";
beginchar(oct"305",width#,Circ_ht#,0);
this_letter; spirit_circumflex(x_baryctr)<; endchar;

cmchar "Lowercase iota with smooth breathing and circumflex";
beginchar(oct"315",width#,Circ_ht#,0);
this_letter; spirit_circumflex(x_baryctr)>; endchar;

cmchar "Lowercase iota with diaeresis";
beginchar(oct"010",width#,circ_ht#,0);
this_letter; diaeresis(x_baryctr); endchar;

cmchar "Lowercase iota with diaeresis and grave";
beginchar(oct"012",width#,acc_ht#,0);
this_letter; diaeresis_grave(x_baryctr); endchar;

cmchar "Lowercase iota with diaeresis and acute";
beginchar(oct"011",width#,acc_ht#,0);
this_letter; diaeresis_acute(x_baryctr); endchar;

cmchar "Lowercase iota with diaeresis and circumflex";
beginchar(oct"013",width#,Circ_ht#,0);
this_letter; diaeresis_circumflex(x_baryctr); endchar;
%
picture savedpicture;
%
% ======================================================================
% KAPPA
% ======================================================================
%
def dims = 8.5u#,x_height#,0 enddef;
def ital = 0 enddef;
def fit_params = 0,0 enddef;
%
def gen_letter=
adjust_fit(0,0); pickup fine.nib; w:=w+.5u;
pos1(stem,0); pos2(stem,0); pos3(vair,90); pos4(vair,90); pos5(flare,90);
x1=x2=x3; lft x1l=hround(1.5u-.5stem); y1+.5stem=h+oo; y2-.5stem=-oo;
filldraw z1l---z2l..z2r---z1r..cycle;  % stem
y3=bar_height; top y4r=h; x4+.5flare=hround(w-1.5u); z5r=z4r;
path p,q; p=z3l{right}..{right}z4l; q=z5r{right}..z5l{left}...cycle;
numeric t; t=ypart(p intersectiontimes q);
filldraw stroke z3e{right}..{right}z4e;  % upper diagonal
filldraw subpath(0,t) of q--cycle;  % bulb
pos7(stem,0); pos8(vair,90); pos9(hair,180);
x9+.5hair=hround(w+.5hair-epsilon); y9=1/3x_height;
lft x7l=hround(w-2.75u-.5stem); y7=1/2y3; x8=w-1.2u; bot y8l=-oo;
filldraw stroke z3e{right}...z7e{down}
 ...z8e{right}...{up}z9e;  % lower diagonal
math_fit(0,ic#);
traba(-.5u);
enddef;
%
cmchar "Lowercase kappa";
beginchar("k",dims);
this_letter; penlabels(1,2,3,4,5,6,7,8,9); endchar;
%
picture savedpicture;
%
% ======================================================================
% LAMBDA
% ======================================================================
%
def dims =  8u#,asc_height#,0 enddef;
def ital = 0 enddef;
def fit_params = -.25u#,-.25u# enddef;
def krn = -.75u# enddef;
%
def gen_letter=
adjust_fit(0,0); pickup fine.nib; w:=w+2.5u;
pos1(vair,90); lft x1=hround .1u; top y1r=h;
x2=x1+2u; y2=.7[x_height,h]; x3=w-2u; bot y4=-oo; y3=max(.07h,y4+eps);
z4-(.25u,0)=whatever[z2,z3]; numeric theta; theta=angle(z2-z3)-90;
pos2(stem,theta); pos3(stem,theta); pos4(stem,0);
filldraw circ_stroke z1e{right}...z2e---z3e
 ...{2(x4e-x3e),y4e-y3e}z4e;  % long diagonal
y5=.5[bar_height,x_height]; z5=whatever[z2,z3];
x6=1.5u; y6-.5stem=-oo; pos5(hair,theta-90); pos6(stem,angle(z5-z6)-90);
filldraw circ_stroke z6e--z5e;
traba(-u);% short diagonal
enddef;
%
cmchar "Lowercase lambda";
beginchar("l",dims);
this_letter; penlabels(1,2,3,4,5,6); endchar;
 
picture savedpicture;
 
% ======================================================================
% MI
% ======================================================================
 
def dims = 8.25u#,x_height#,desc_depth# enddef;
def ital = 0 enddef;
def fit_params = 0,.5stem# enddef;
 
def gen_letter=
adjust_fit(0,0); pickup fine.nib;
w:=w+.75u; interim superness:=more_super;
pos1(stem,-180); pos2(stem,-180); x1=x2=x3; lft x1r=hround(1.5u-.5stem);
y1+.5stem=h+oo; y2-.5stem=-d-o;
filldraw z1r---z2r..z2l---z1l..cycle;  % left stem
pos3(stem,-180); pos4(vair,-90); pos5(hair,0); x4=.5[x3,x5];
pos6(stem,0); rt x6r=hround(w-2.5u+.5stem);
x5=x6=x7; x9=w; hook_out(7,8,9);  % closing hook
y3=.7[y4,y5]; bot y4r=-oo; y5=.57h; y6+.5stem=h;
filldraw stroke super_arc.e(3,4)...{up}z5e; % left stem and arc
filldraw circ_stroke z6e--z7e;  % right stem
math_fit(desc_depth#*slant+.5stem#-u#,ic#);
traba(-.75u);
enddef;
 
cmchar "Lowercase mu";
beginchar("m",dims);
this_letter; penlabels(1,2,3,4,5,6,7,8,9); endchar;
 
picture savedpicture;
 
% ======================================================================
% NI
% ======================================================================
 
def dims = 8.5u#,x_height#,0 enddef;
def ital = 0 enddef;
def fit_params = 0,0 enddef;
 
def gen_letter =
adjust_fit(0,0); pickup fine.nib;
pos3(vair,-90); pos4(stem,0); bot y3r=0; y4+.5stem=h+oo;
x3-.5stem=hround(1.5u-.5stem); x4+.5stem=hround(w-1.5u+.5stem);
filldraw circ_stroke z4e{down}...{-36u,-h}z3e;  % diagonal
pickup tiny.nib; pos1(stem,0); pos2(stem,0);
top y1=h+min(oo,serif_drop); bot y2=0; x1=x2=x3;
z=((z4{down}...{-36u,-h}z3)intersectionpoint((x2r,0)--(x2r,h)));
filldraw z1l--z2l--z--z1r--cycle;  % stem
sloped_serif.l(1,2,a,1/3,jut,serif_drop); traba(.5u);% upper left serif
math_fit(0,ic#-1/3x_height#*slant-.5u#); enddef;
 
cmchar "Lowercase nu";
beginchar("n",dims);
this_letter; penlabels(1,2,3,4); endchar;
 
picture savedpicture;
 
% ======================================================================
% XI
% ======================================================================
 
def dims = 7u#,asc_height#,desc_depth# enddef;
def ital = 0 enddef;
def fit_params = 0,0 enddef;
 
def gen_letter=
adjust_fit(0,0); pickup fine.nib; w:=w+u;
pos10(hair,-720); pos11(vair,-630); pos12(hair,-540); pos13(vair,-450);
lft x10l=hround 1/3w; x11=x13=.5[x10,x12]; rt x12l=hround(w-2.5u);
top y10=h; top y13l=bot y11l+vstem+eps=vround(y10-.25(h-x_height));
y12=.5[y11,y13]; if y11r>y13r: y11r:=y13r:=y12; fi
pos0(curve,-360); pos1(vair,-270); pos2(hair,-180); pos3(vair,-90);
numeric theta; theta=90-angle(22u,x_height); slope:=-x_height/22u;
pos6(stem,theta); pos7(vair,-90); pos8(vair,-135);
lft x0l=hround u; x1=x3=x11; x2=x12;
y0=.5[y13,y1]; top y3l=vround .5h=bot y1l+vstem+eps; y2=.5[y1,y3];
if y1r>y3r: y1r:=y3r:=y2; fi
lft x4l=hround u; x4r-x4l=hround .5[vair,stem]-fine;
x6=x7=w-2u; x8=.5w+.5u; y6=-.3d; bot y7r=-d-oo; y8=max(-3/4d-oo,y7l);
ellipse_set(3l,4l,5l,6l); ellipse_set(3r,4r,5r,6r);
y4l:=.9[y6,y4l]; y4=y4r:=.9[y6,y4r];
filldraw circ_stroke z10e{down}...z11e{right}...{up}z12e;  % opening hook
filldraw stroke z12e{up}...z13e{left}...z0e{down}
 ...z1e{right}...{up}z2e;  % upper arc
filldraw circ_stroke z8e{x7-x8,2(y7-y8)}...z7e{right}...z6e
 ---z5e...{up}z4e...{right}z3e...{down}z2e;  % main stroke
math_fit(-.2asc_height#*slant-.5u#,0);
traba(-.5u);
enddef;
 
cmchar "Lowercase xi";
beginchar("x",dims);
this_letter; penlabels(0,1,2,3,4,5,6,7,8,9,10,11,12,13); endchar;
 
picture savedpicture;
%
% ======================================================================
% OMIKRON
% ======================================================================
%
def width = 8u enddef;
def dims = width#,x_height#,0 enddef;
def ital = 0 enddef;
def fit_params = 0,0 enddef;
%
def gen_letter =
adjust_fit(0,0); pickup fine.nib; w:=w+u;
pos1(vair,90); pos2(curve,180); pos3(vair,270); pos4(curve,360);
x1=x3=.5w; lft x2r=hround(1.5u-.5curve); x4=w-x2;
top y1r=h+oo; y2=y4=.5[y1,y3]; bot y3r=-oo;
filldraw stroke pulled_arc.e(1,2) & pulled_arc.e(2,3)
 & pulled_arc.e(3,4) & pulled_arc.e(4,1); % bowl
math_fit(-.3x_height#*slant+.5curve#-u#,ic#);
  numeric x_baryctr; x_baryctr=.1[x1,x2];
traba(-.5u); % accent reference
enddef;
%
cmchar "Lowercase omicron";
beginchar("o",dims);
this_letter; penlabels(1,2,3,4); endchar;
%
cmchar "Lowercase omicron with rough breathing";
beginchar(oct"203",width#+.6u#,acc_ht#,0);
this_letter; spirit(x_baryctr)<; endchar;
%
cmchar "Lowercase omicron with smooth breathing";
beginchar(oct"213",width#+.6u#,acc_ht#,0);
this_letter; spirit(x_baryctr)>; endchar;
%
cmchar "Lowercase omicron with acute";
beginchar(oct"223",width#+.6u#,acc_ht#,0);
this_letter; acute(x_baryctr); endchar;
%
cmchar "Lowercase omicron with rough breathing and acute";
beginchar(oct"233",width#+.6u#,acc_ht#,0);
this_letter; spirit_acute(x_baryctr)<; endchar;
%
cmchar "Lowercase omicron with smooth breathing and acute";
beginchar(oct"243",width#+.6u#,acc_ht#,0);
this_letter; spirit_acute(x_baryctr)>; endchar;
%
cmchar "Lowercase omicron with rough breathing and grave";
beginchar(oct"263",width#+.6u#,acc_ht#,0);
this_letter; spirit_grave(x_baryctr)<; endchar;
%
cmchar "Lowercase omicron with smooth breathing and grave";
beginchar(oct"273",width#+.6u#,acc_ht#,0);
this_letter; spirit_grave(x_baryctr)>; endchar;
%
cmchar "Lowercase omicron with grave";
beginchar(oct"253",width#+.6u#,acc_ht#,0);
this_letter; grave(x_baryctr); endchar;
%
picture savedpicture;
%
% ======================================================================
% PI
% ======================================================================
%
def dims = 9u#,x_height#,0 enddef;
def ital = 0 enddef;
def fit_params = -.25,0 enddef;
%
def gen_letter =
adjust_fit(0,0); w:=w+u; pi_stroke; % hook and bar
pos4(hair,0); pos6(hair,0); x4=3.5u; x6=w-4u; y4=y6=y2;
x5=3u; x7=w-2.5u; y5=y7=.5stem-oo;
pair v[]; v1=(z4-z5) xscaled 3.14159; v2=(z6-z7) xscaled 3.14159;
pos5(stem,angle v1-90); pos7(stem,angle v2-90);
filldraw circ_stroke z5e{v1}...{up}z4e;  % left stem
filldraw circ_stroke z7e{v2}...{up}z6e;  % right stem
math_fit(-.7x_height#*slant+.5hair#+.5u#,ic#-1/3x_height#*slant);
enddef;
%
cmchar "Lowercase pi";
beginchar("p",dims);
this_letter; penlabels(1,2,3,4,5,6,7); endchar;
%
picture savedpicture;
%
% ======================================================================
% RO
% ======================================================================
%
def width = 7u enddef;
def height = x_height enddef;
def depth = desc_depth enddef;
def dims = width#,height#,depth# enddef;
def ital = 0 enddef;
def fit_params = 0,0 enddef;
%
def gen_letter =
adjust_fit(0,0); pickup fine.nib; w:=w+1.25u;
pos2(stem,180); pos3(vair,90); pos4(curve,0); pos5(vair,-90); pos6(stem,-180);
lft x2r=hround(1.5u-.5stem); x2=x6; x3=x5=.5[x2,x4];
rt x4r=hround(w-1.5u+.5curve);
y2=y4=y6=.5[y3,y5]; top y3r=h+oo; bot y5r=-oo;
filldraw circ_stroke pulled_arc.e(2,3) & pulled_arc.e(3,4)
 & pulled_arc.e(4,5) & pulled_arc.e(5,6);  % bowl
pos2'(hair,-180); z2'r=z2r; pos1(vstem,-90); pos1'(vstem,90); z1'=z1;
pos0(hair,0); rt x0r=hround(w-u); bot y0=-d; bot y1r=vround-.9d; x1=x5;
interim superness:=sqrt superness;
filldraw stroke pulled_arc.e(0,1'); filldraw stroke pulled_arc.e(1,2'); % tail
math_fit(desc_depth#*slant+.5stem#-u#,ic#);
  numeric x_baryctr; x_baryctr=x3;
  traba(-.5u);  % breathing placement
enddef;
%
cmchar "Lowercase rho";
beginchar("r",dims);
this_letter; penlabels(1,2,3,4,5,6,7,8,9,10); endchar;
%

cmchar "Lowercase rho with rough breathing";
beginchar(oct"346",width#,acc_ht#,depth#);
this_letter; spirit(x_baryctr)<; endchar;

cmchar "Lowercase rho with smooth breathing";
beginchar(oct"356",width#,acc_ht#,depth#);
this_letter; spirit(x_baryctr)>; endchar;
%
picture savedpicture;
 
% ======================================================================
% SIGMA TELIKO
% ======================================================================
 
def dims= 7u#,x_height#,.5min(desc_depth#,.5x_height#) enddef;
def ital = 0 enddef;
def fit_params = 0,0 enddef;
 
def gen_letter =
adjust_fit(0,0); pickup fine.nib; w:=w+u;
numeric heavy_vair; heavy_vair=.25[vair,vstem];
pos1(heavy_vair,-110); pos2(vair,-90);
x1+.5heavy_vair=hround(w-u); y1=.1[y2r,bar_height];
x2=min(.5w+u,x1r-eps); top y2l=h+oo;
filldraw circ_stroke z1e{x2-x1,2(y2-y1)}...{left}z2e;  % upper bulb
numeric theta; theta=90-angle(16u,x_height); slope:=-x_height/16u;
pos6(stem,theta); pos7(vair,-90); pos8(vair,-135);
lft x4l=hround u; x4r-x4l=(hround .5[vair,stem])-fine;
x6=x7=w-2u; x8=.5w+u; y6=.25[y8,y2]; y8=y7+1/8d; bot y7r=-d-oo;
ellipse_set(2l,4l,5l,6l); ellipse_set(2r,4r,5r,6r); y4=y4r;
filldraw circ_stroke z8e{x7-x8,2(y7-y8)}...z7e{right}...z6e
 ---z5e...{up}z4e...{right}z2e;  % main stroke
math_fit(-.5x_height#*slant-.5u#,0);
traba(-.5u);
enddef;
 
cmchar "Final lowercase sigma";
beginchar("c",dims);
this_letter; penlabels(1,2,3,4,5,6,7,8); endchar;
 
numeric gen_sigma; gen_sigma=1;
 
% ======================================================================
% SIGMA 
% ======================================================================
 
def dim_sigma =  8.75u#,x_height#,0 enddef;
def ital_sigma = 0 enddef;
def fit_params_sigma = 0,.75u# enddef;
 
def mid_sigma=
italcorr ital_sigma; adjust_fit(fit_params_sigma);
if known pic.c: currentpicture:=pic.c; else: gen_mid_sigma; fi
if not working_hard : picture pic.c; pic.c=currentpicture; fi
enddef;
 
def gen_mid_sigma =
adjust_fit(0,0); pickup fine.nib; w:=w+1.5u;
pos1(vstem,90); pos2(stem,0); pos3(vair,-90);
pos4(stem,-180); pos5(vstem,-270); pos6(vstem,-270);
x1=x3=x5=.5[x2,x4]; rt x2r=hround(w-2.5u);
lft x4r=hround(1.5u-.5curve);x6=w-1.5u;
top y1r=h; y2=y4=.5[y1,y3]; bot y3r=-oo; y5=y6=y1;
filldraw circ_stroke z6e..pulled_arc.e(5,4) & pulled_arc.e(4,3)
 & pulled_arc.e(3,2) & pulled_arc.e(2,1);  % ear and bowl
math_fit(-.3x_height#*slant+.5curve#-u#,ic#-1/3x_height#*slant);
traba(-.5u);
enddef;
 
cmchar "Initial and medial lowercase sigma";
beginchar("s",dim_sigma);
mid_sigma; penlabels(1,2,3,4,5,6); endchar;
 
picture savedpicture;
 
% ======================================================================
% TAU
% ======================================================================
 
def dims = 7.2u#,x_height#,0 enddef;
def ital = 0 enddef;
def fit_params = -.25,0 enddef;
 
def gen_letter=
adjust_fit(0,0); w:=w+u; pi_stroke; % hook and bar
pos4(stem,0);
x4-.5stem=hround(.5w-.5u-.5stem); y4=y2; x5=x4-.25u; x7=x4+3u;
hook_out(5,6,7)(skewed);
filldraw circ_stroke z4e{down}...{-u,-x_height}z5e;  % stem
math_fit(-.7x_height#*slant+.5hair#+.5u#,-.5u#);
enddef;
 
cmchar "Lowercase tau";
beginchar("t",dims);
this_letter; penlabels(1,2,3,4,5,6,7); endchar;
 
picture savedpicture;
 
% ======================================================================
% YPSILON
% ======================================================================
 
 
def width = 8.5u enddef;
def dims = width#,x_height#,0 enddef;
def ital = 0 enddef;
def fit_params = 0,0 enddef;
def acc_corr =.5u enddef;
 
def gen_letter=
adjust_fit(0,0); pickup fine.nib;
w:=w+.5u; interim superness:=more_super;
x0=0; x2=x3+.25u; pos3(stem,-180); lft x3r=hround(2.5u-.5stem);
hook_in(0,1,2)(skewed);  % opening hook
pos2'(stem,-180); z2'=z2; pos4(vair,-90); pos5(hair,0);
x4=.5w+u; rt x5r=hround(w-.5u); y3=.7[y4,y5]; bot y4r=-oo; y5=.57h;
filldraw stroke z2'e{-u,-x_height}...super_arc.e(3,4)
 ..tension atleast 1.05..{up}z5e; % left stem and arc
v_bulb(5,6);  % closing bulb
math_fit(-2/3x_height#*slant+.5hair#+.5u#,2/3ic#);
  numeric x_baryctr; x_baryctr=x4-u;
enddef;
 
cmchar "Lowercase upsilon";
beginchar("u",dims);
this_letter; penlabels(0,1,2,3,4,5,6,7); endchar;

%
cmchar "Lowercase upsilon with rough breathing";
beginchar(oct"206",width#+.9u#,acc_ht#,0);
this_letter; spirit(x_baryctr)<; endchar;
%
cmchar "Lowercase upsilon with smooth breathing";
beginchar(oct"216",width#+.9u#,acc_ht#,0);
this_letter; spirit(x_baryctr)>; endchar;
%
cmchar "Lowercase upsilon with acute";
beginchar(oct"226",width#+.9u#,acc_ht#,0);
this_letter; acute(x_baryctr); endchar;
%
cmchar "Lowercase upsilon with rough breathing and acute";
beginchar(oct"236",width#+.9u#,acc_ht#,0);
this_letter; spirit_acute(x_baryctr)<; endchar;
%
cmchar "Lowercase upsilon with smooth breathing and acute";
beginchar(oct"246",width#+.9u#,acc_ht#,0);
this_letter; spirit_acute(x_baryctr)>; endchar;
%
cmchar "Lowercase upsilon with rough breathing and grave";
beginchar(oct"266",width#+.9u#,acc_ht#,0);
this_letter; spirit_grave(x_baryctr)<; endchar;
%
cmchar "Lowercase upsilon with smooth breathing and grave";
beginchar(oct"276",width#+.9u#,acc_ht#,0);
this_letter; spirit_grave(x_baryctr)>; endchar;
%
cmchar "Lowercase upsilon with circumflex";
beginchar(oct"247",width#+.9u#,circ_ht#,0);
this_letter; circumflex(x_baryctr); endchar;
%
cmchar "Lowercase upsilon with grave";
beginchar(oct"256",width#+.9u#,acc_ht#,0);
this_letter; grave(x_baryctr); endchar;
%
cmchar "Lowercase upsilon with rough breathing and circumflex";
beginchar(oct"306",width#+.9u#,Circ_ht#,0);
this_letter; spirit_circumflex(x_baryctr)<; endchar;
%
cmchar "Lowercase upsilon with smooth breathing and circumflex";
beginchar(oct"316",width#+.9u#,Circ_ht#,0);
this_letter; spirit_circumflex(x_baryctr)>; endchar;
%
cmchar "Lowercase upsilon with diaeresis";
beginchar(oct"014",width#+.9u#,circ_ht#,0);
this_letter; diaeresis(x_baryctr); endchar;

cmchar "Lowercase upsilon with diaeresis and grave";
beginchar(oct"016",width#+.9u#,acc_ht#,0);
this_letter; diaeresis_grave(x_baryctr); endchar;

cmchar "Lowercase upsilon with diaeresis and acute";
beginchar(oct"015",width#+.9u#,acc_ht#,0);
this_letter; diaeresis_acute(x_baryctr); endchar;

cmchar "Lowercase upsilon with diaeresis and circumflex";
beginchar(oct"017",width#+.9u#,Circ_ht#,0);
this_letter; diaeresis_circumflex(x_baryctr); endchar;

picture savedpicture;
%
% ======================================================================
% FI
% ======================================================================
%
def dims = 10.5u#,x_height#,desc_depth# enddef;
def ital = 0 enddef;
def fit_params = 0,0 enddef;
%
def gen_letter =
adjust_fit(0,0); pickup fine.nib; w:=w+.5u;
pos1(hair,-180); x1=x2+.75u; top y1=h;
pos2(hair,-180); lft x2r=hround .5u; y2=bar_height;
pos3(vstem,-90); x3=.5(w+u); bot y3r=-oo;
pos4(hair,0); rt x4r=hround(w-.5u); y4=y2;
pos5(vstem,90); x5=.52[x6,x4]; top y5r=h+oo;
pos6(hair,180); x6=x7; y6=1/3h;
pos7(stem,180); lft x7r=hround(.5w-.5u-.5stem); y7-.5stem=-d-o;
filldraw circ_stroke z7e---z6e...{right}z5e...{down}z4e...{left}z3e
 ...{up}z2e...{3(x1-x2),y1-y2}z1e;  % bowl and stem
math_fit(-.3x_height#*slant,ic#);
enddef;
%
cmchar "Lowercase phi";
beginchar("f",dims);
this_letter; penlabels(1,2,3,4,5,6,7); endchar;
%
picture savedpicture;
%
% ======================================================================
% QI
% ======================================================================
%
def ital = 0 enddef;
def fit_params = 0,0 enddef;
def dims =  9u#,x_height#,desc_depth# enddef;
 
def gen_letter=
adjust_fit(0,0); pickup fine.nib; w:=w+u;
pos1(hair,180); pos2(vair,80); pos5(vair,80); pos6(hair,180);
x1-.5hair=hround-.5hair; x6=w-x1; x2=w-x5=u;
y1=y2l-h/8; top y2r=h+oo; bot y5l=-d-oo; y6=y5r+h/8;
z0=.5[z2,z5]; z2'=z2l+(.5u,0); z5'=z5r-(.5u,0);
numeric theta; theta=angle(z5'-z2')+90;
pos3(stem,theta); pos4(stem,theta);
y3r=y2r-h/8; y4l=y5l+h/8; z3l=whatever[z2',z0]; z4r=whatever[z0,z5'];
filldraw stroke z1e{up}...z2e{right}...z3e{z4r-z3l}
 ..z4e{z4r-z3l}...{right}z5e...{up}z6e;  % major diagonal and hooks
x8=w-x7=2u; y7+.5hair=h; y8-.5hair=-d;
numeric theta; theta=angle(z7-z8)-90;
pos7(hair,theta); pos8(hair,theta);
filldraw z7l---z8l..z8r---z7r..cycle;  % minor diagonal
math_fit((desc_depth#-x_height#)*slant+ic#,ic#);traba(.3u);
enddef;
 
cmchar "Lowercase chi";
beginchar("q",dims);
this_letter; penlabels(0,1,2,2',3,4,5',5,6,7,8); endchar;
 
picture savedpicture;
 
% ======================================================================
% YI
% ======================================================================
 
def dims = 10.5u#,asc_height#,desc_depth# enddef;
def ital = 0 enddef;
def fit_params = 0,0 enddef;
 
def gen_letter =
adjust_fit(0,0); pickup fine.nib;
w:=w+.5u; interim superness:=more_super;
x0=0; x2=x3+.25u; pos3(stem,-180); lft x3r=hround(2.5u-.5stem);
hook_in(0,1,2)(skewed);  % opening hook
pos2'(stem,-180); z2'=z2; pos4(vair,-90); pos5(hair,0);
x4=.5w+u; rt x5r=hround(w-.5u);
y3=.7[y4,y5]; bot y4r=-oo; y5=.57x_height;
filldraw stroke z2'e{-u,-x_height}...super_arc.e(3,4)
 ..tension atleast 1.05..{up}z5e; % left stem and arc
v_bulb(5,6);  % closing bulb
pos7(.5[hair,stem],0); pos8(.5[hair,stem],0); x7=x8=.5w+.5u;
top y7=h; bot y8=-d-oo;
filldraw stroke z7e--z8e;  % stem
math_fit(-2/3x_height#*slant+.5hair#+.5u#,2/3ic#);
enddef;
 
cmchar "Lowercase psi";
beginchar("y",dims);
this_letter; penlabels(0,1,2,3,4,5,6,7,8); endchar;
 
picture savedpicture;
%
% ======================================================================
% WMEGA
% ======================================================================
%
def width =  8.3u enddef;
def height = x_height enddef;
def dims = width#,height#,0 enddef;
def ital = 0 enddef;
def fit_params = 0,0 enddef;
def acc_corr=.5u enddef;
 
def gen_letter =
adjust_fit(0,0); pickup fine.nib; w:=w+1.2u;
pos2(hair,-180); lft x2r=hround.5u; y2=y4=y6=y8=bar_height;
y1+.5hair=h; x1=x2+.75u; pos1(hair,angle(2(x1-x2),y1-y2)+90);
pos3(vstem+dw,-90); pos4(hair,0); pos5(vair,90);
pos6(hair,180); pos7(vstem+dw,270); pos8(hair,360);
bot y3r=bot y7r=-oo; top y5r=vround(.2[y4,h]+.5vair);
x3=.5[x2,x4]; x7+.25u=.5[x6,x8]; rt x8r=hround(w-.5u);
x5+.5stem=hround(.5w+.5stem)+eps;
x5=.5[x4,x6]; rt x4r-lft x6r=min(stem,2hair)+2eps;
if x4l<x6l: x4l:=x6l:=x5; fi
filldraw circ_stroke z1e{2(x2-x1),y2-y1}...z2e{down}...z3e{right}
 ...{up}z4e...{left}z5e;  % left arc
filldraw stroke z5e{left}...z6e{down}...z7e{right}...{up}z8e;  % right arc
v_bulb(8,9);  % closing bulb
math_fit(-bar_height#*slant,2/3ic#);
  numeric x_baryctr; x_baryctr=.5[x4,x6];
  numeric pos_stem; pos_stem=x_baryctr; traba(-.5u);
enddef;
 
cmchar "Lowercase omega";
beginchar("w",dims);
this_letter; penlabels(1,2,3,4,5,6,7,8,9); endchar;
%
cmchar "Lowercase omega with rough breathing";
beginchar(oct"204",width#+u#,acc_ht#,0);
this_letter; spirit(x_baryctr)<; endchar;
%
cmchar "Lowercase omega with smooth breathing";
beginchar(oct"214",width#+u#,acc_ht#,0);
this_letter; spirit(x_baryctr)>; endchar;
%
cmchar "Lowercase omega with acute";
beginchar(oct"224",width#+u#,acc_ht#,0);
this_letter; acute(x_baryctr); endchar;
%
cmchar "Lowercase omega with rough breathing and acute";
beginchar(oct"234",width#+u#,acc_ht#,0);
this_letter; spirit_acute(x_baryctr)<; endchar;
%
cmchar "Lowercase omega with smooth breathing and acute";
beginchar(oct"244",width#+u#,acc_ht#,0);
this_letter; spirit_acute(x_baryctr)>; endchar;
%
cmchar "Lowercase omega with rough breathing and grave";
beginchar(oct"264",width#+u#,acc_ht#,0);
this_letter; spirit_grave(x_baryctr)<; endchar;
%
cmchar "Lowercase omega with smooth breathing and grave";
beginchar(oct"274",width#+u#,acc_ht#,0);
this_letter; spirit_grave(x_baryctr)>; endchar;
%
cmchar "Lowercase omega with circumflex";
beginchar(oct"227",width#+u#,circ_ht#,0);
this_letter; circumflex(x_baryctr); endchar;
%
%
cmchar "Lowercase omega with grave";
beginchar(oct"254",width#+u#,acc_ht#,0);
this_letter; grave(x_baryctr); endchar;
%
cmchar "Lowercase omega with rough breathing and circumflex";
beginchar(oct"304",width#+u#,Circ_ht#,0);
this_letter; spirit_circumflex(x_baryctr)<; endchar;

cmchar "Lowercase omega with smooth breathing and circumflex";
beginchar(oct"314",width#+u#,Circ_ht#,0);
this_letter; spirit_circumflex(x_baryctr)>; endchar;
%
cmchar "Lowercase omega with grave and iota subscript";
beginchar(oct"334",width#+u#,acc_ht#,iota_dp#);
this_letter; grave(x_baryctr); iota_sub(pos_stem); endchar;

cmchar "Lowercase omega with rough breathing and iota subscript";
beginchar(oct"344",width#+u#,acc_ht#,iota_dp#);
this_letter; spirit(x_baryctr)<; iota_sub(pos_stem); endchar;

cmchar "Lowercase omega with smooth breathing and iota subscript";
beginchar(oct"354",width#+u#,acc_ht#,iota_dp#);
this_letter; spirit(x_baryctr)>; iota_sub(pos_stem); endchar;

cmchar "Lowercase omega with acute and iota subscript";
beginchar(oct"325",width#+u#,acc_ht#,iota_dp#);
this_letter; acute(x_baryctr); iota_sub(pos_stem); endchar;

cmchar "Lowercase omega with rough breathing, acute and iota subscript";
beginchar(oct"335",width#+u#,acc_ht#,iota_dp#);
this_letter; spirit_acute(x_baryctr)<; iota_sub(pos_stem); endchar;

cmchar "Lowercase omega with smooth breathing and acute and iota subscript";
beginchar(oct"345",width#+u#,acc_ht#,iota_dp#);
this_letter; spirit_acute(x_baryctr)>; iota_sub(pos_stem); endchar;

cmchar "Lowercase omega with rough breathing, grave and iota subscript";
beginchar(oct"364",width#+u#,acc_ht#,iota_dp#);
this_letter; spirit_grave(x_baryctr)<; iota_sub(pos_stem); endchar;

cmchar "Lowercase omega with smooth breathing and grave and iota subscript";
beginchar(oct"365",width#+u#,acc_ht#,iota_dp#);
this_letter; spirit_grave(x_baryctr)>; iota_sub(pos_stem); endchar;

cmchar "Lowercase omega with circumflex and iota subscript";
beginchar(oct"355",width#+u#,circ_ht#,iota_dp#);
this_letter; circumflex(x_baryctr); iota_sub(pos_stem); endchar;

cmchar "Lowercase omega with rough breathing, circumflex and iota subscript";
beginchar(oct"326",width#+u#,acc_ht#,iota_dp#);
this_letter; spirit_circumflex(x_baryctr)<; iota_sub(pos_stem); endchar;

cmchar "Lowercase omega with smooth breathing, circumflex and iota subscript";
beginchar(oct"336",width#+u#,acc_ht#,iota_dp#);
this_letter; spirit_circumflex(x_baryctr)>; iota_sub(pos_stem); endchar;

cmchar "Lowercase omega with iota subscript";
beginchar(oct"324",width#+u#,height#,iota_dp#);
this_letter; iota_sub(pos_stem); endchar;

picture pic.iota;
picture savedpicture;

endinput; 
% ======================================================================