% ---------------------------------------------------------------------------
% This is PL_DL.MF ({\bif{}du\.ze polskie litery}, i.e., uppercase Polish
% letters: A and E with ogonek, crossed L, accented C, N, O, S, Z,
% and dotted Z) in text format.
% The program is based on excerpts from the ROMANU.MF file.
% ---------------------------------------------------------------------------
% PL VERSION 1.03,   18 Dec 1992
% ---------------------------------------------------------------------------
% AUTHORS OF ADAPTATION: {\bif{}Bogus\l{}aw Jackowski \& Marek Ry\'cko}
% ---------------------------------------------------------------------------
% This file belongs to the public domain under conditions similar to
% those of D. E. Knuth specified for the Computer Modern family of fonts.
% 
% For details see either the file MEXINFO.POL or MEXINFO.ENG.
% ---------------------------------------------------------------------------
% HISTORY
%  7 Feb 1992: version 1.00
% 11 Feb 1992: version 1.01
%    (no changes; the new version number due to changes in \MeX{} format)
%  1 Jun 1992: version 1.02
%    (no changes; the new version number due to changes in other files)
% 18 Dec 1992: version 1.03
%    (no changes; the new version number due to changes in FIK_MIK.MF
%    and some cosmetic changes in CMBX11.MF, CMR11.MF, CMTI11.MF, CMSL11.MF,
%    CMSSBI10.MF, and POLAN.MF)
% ---------------------------------------------------------------------------


% ---------------------------------------------------------------------------
limit_dist:=5/4u; % it is used in |put_accent| and |put_cross|
% (the value of |u| is changed by |mono_adjust|, hence the global setting)
% ---------------------------------------------------------------------------
%%% fine fisp
cmchar "The letter A with ogonek";
beginchar(ogonked_A,13u#,cap_height#,the_ogonek_depth);
 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 y0<h-cap_notch_cut: y0:=h-cap_notch_cut;
  fill z0+.5right{down}...{z4-z3}diag_end(3l,4l,1,1,4r,3r)
   --diag_end(4r,3r,1,1,2l,1l)--diag_end(2l,1l,1,1,1r,2r){z2-z1}
   ...{up}z0+.5left--cycle; % left and right diagonals
 else: fill z0--diag_end(0,4l,1,1,4r,3r)--diag_end(4r,3r,1,1,2l,1l)
   --diag_end(2l,1l,1,1,1r,0)--cycle; fi % left and right diagonals
 penpos5(whatever,angle(z2-z1)); z5=whatever[z1,z2];
 penpos6(whatever,angle(z3-z4)); z6=whatever[z3,z4]; y6=y5;
 if hefty: y5r else: y5 fi =5/12y0;
 y5r-y5l=y6r-y6l=cap_band; penstroke z5e--z6e; % bar line
 if serifs: numeric inner_jut; pickup tiny.nib;
  prime_points_inside(1,2); prime_points_inside(4,3);
  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,1/2,outer_jut,b,.6,inner_jut)(dark); % left serif
  dish_serif(4',3,c,1/2,inner_jut,d,1/3,outer_jut); fi % right serif
 penlabels(0,1,2,3,4,5,6);
 def the_pen=if known ogonek_pen: ogonek_pen
  elseif serifs: tiny elseif is_bold: fisp else: fine fi
 enddef;
 ogonek_breadth=if serifs and is_bold: slab else: xvair fi;
% |diag_end| refers to |tiny| pen, hence |tiny| in the following equation:
 ogonek_pos=(x4 if not serifs: l if is_bold: +.75tiny fi\\ fi,.5the_pen)
   if serifs and not is_egyptian: +(.5xvair,0) fi;
 put_ogonek(the_pen);
endchar; % A with ogonek

cmchar "The letter accented C";
if serifs: beginchar(accented_C,13u#,cap_height#,0);
 italcorr cap_height#*slant-.5u#;
 adjust_fit(0,0);
 pickup fine.nib; pos1(cap_hair,0); pos2(cap_band,90);
 pos3(cap_curve,180); pos4(cap_band,270); pos5(hair,360);
 rt x1r=rt x5r=hround(w-u); lft x3r=hround u; x2=x4=.55[x3,x1];
 top y2r=h+o; bot y4r=-o; y3=.5[y2,y4];
 bot y1=min(vround max(.6h,x_height-.5vair),bot y2l-eps);
 y5=max(good.y .95(h-y1),y4l+eps);
 (x2l',y2l)=whatever[z2r,z1l]; x2l:=min(x2l',x2l+.5u);
 (x4l',y4l)=whatever[z4r,z5l]; x4l:=min(x4l',x4l+.5u);
 filldraw stroke z1e{x2-x1,10(y2-y1)}
  ...pulled_arc.e(2,3) & pulled_arc.e(3,4)...{up}z5e; % arc
 pos6(.3[fine.breadth,cap_hair],0); x6r=x1r; top y6=h+o;
 x1r-x1'=2cap_curve-fine; y1'=y1;
 path upper_arc; upper_arc=z1{x2-x1,10(y2-y1)}..z2{left};
 numeric t; t=xpart(upper_arc intersectiontimes (z6l--z1'));
 filldraw z1r--z6r--z6l--subpath(t,0) of upper_arc--cycle; % barb
else: beginchar(accented_C,11.5u#,cap_height#,0);
 italcorr cap_height#*slant-.5u#;
 adjust_fit(0,0);
 pickup fine.nib; pos1(1.2flare,80); pos2(slab,90);
 pos3(cap_curve,180); pos4(slab,270); pos5(flare,275);
 rt x1r=hround(w-1.1u); x2=x4=.5w+1.25u;
 lft x3r=hround max(u,2u-.5cap_curve); rt x5r=hround(w-.9u);
 top y1r=vround .95h+o; top y2r=h+o; y3=.5h;
 bot y4r=-o; bot y5r=vround .08h-o; y5l:=good.y y5l; x5l:=good.x x5l;
 filldraw stroke rterm.e(2,1,right,.9,4) & super_arc.e(2,3)
  & super_arc.e(3,4) & term.e(4,5,right,.8,4); fi % arc and terminals
 penlabels(1,1',2,3,4,5,6);
 put_accent;
endchar; % accented C

cmchar "The letter E with ogonek";
beginchar(ogonked_E,12u#-width_adj#,cap_height#,the_ogonek_depth);
 italcorr cap_height#*slant-beak_jut#-.5u#;
 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-u); y4=good.y(y3l-beak)-eps;
 arm(3,4,e,beak_darkness,beak_jut); % upper arm and beak
 pos5(cap_bar,-90); pos6(hair,0);
 top y5l=vround(.52[y2,y1]+.5cap_bar); x5=x1;
 pos0(cap_bar,90); pos7(hair,0);
 z0=z5; x6=x7; y6-y5l=y0l-y7;
 if serifs: rt x6r=hround(w-4.4u+.5hair); y6=good.y(y5l+.6beak)+eps;
  rt x9r=hround(w-.5u);
 else: rt x6r=hround(w-1.5u); y6=y5l+eps; rt x9r=hround(w-.75u); fi
 arm(5,6,f,beak_darkness,0); arm(0,7,g,beak_darkness,0); % middle arm and serif
 pos8(slab if not serifs:+2stem_corr fi,-90); pos9(hair,0);
 bot y8r=0; x8=x2; y9=good.y(y8l+7/6beak)+eps;
 arm(8,9,h,beak_darkness,1.5beak_jut); % lower arm and beak
 if serifs: nodish_serif(1,2,a,1/3,cap_jut,b,1/3,.5cap_jut); % upper serif
  nodish_serif(2,1,c,1/3,cap_jut,d,1/3,.5cap_jut); fi % lower serif
 penlabels(0,1,2,3,4,5,6,7,8,9);
 def the_pen=if known ogonek_pen: ogonek_pen
  elseif serifs: tiny elseif is_bold: fisp else: fine fi
 enddef;
 ogonek_breadth=if serifs and is_bold: slab else: xvair fi;
 ogonek_pos=
  (x.h0-if serifs: 2 else: if is_bold: 1.5 else: 1.75 fi\\ fi\\ u,.5the_pen)+
  .5 ogonek_breadth*if is_egyptian: origin elseif serifs: right else: left fi;
 put_ogonek(the_pen);
endchar; % E with ogonek

cmchar "The letter crossed L";
beginchar(crossed_L,11u#-width_adj#,cap_height#,0);
 adjust_fit(cap_serif_fit# if not serifs: +1.5u# fi,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
 penlabels(1,2,3,4);
% some funny fonts have an extremally small |cap_jut|:
 put_cross(.5cap_stem+if serifs: .9max(limit_dist,cap_jut) else: 1.8u fi,
  .5cap_stem+3u);
endchar; % crossed L

cmchar "The letter accented N";
beginchar(accented_N,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#);
 numeric thin_stem; thin_stem=hround(fudged.hair+stem_corr);
 pickup tiny.nib; pos1(thin_stem,0); pos2(thin_stem,0);
 pos3(thin_stem,0); pos4(thin_stem,0);
 pickup tiny.nib; top y1=top y3=h; bot y2=bot y4=0;
 x1=x2; x3=x4; x1l=w-x3r;
 rt x3r=hround min(w-2u,w-3u+.5fudged.cap_stem);
 filldraw stroke z1e--z2e; % left stem
 filldraw stroke z3e--z4e; % right stem
 if hefty: penpos5(fudged.cap_stem,0); penpos6(fudged.cap_stem,0);
  x5l=x1; x6r=x4; y5=h; y6=0;
  numeric upper_notch,lower_notch;
  upper_notch=h-cap_notch_cut; lower_notch=cap_notch_cut;
  x1'=rt x1r; z1'=whatever[z5l,z6l]; x4'=lft x4l; z4'=whatever[z5r,z6r];
  fill z5l..
   if y1'<upper_notch: {right}(x1'+1,upper_notch){down}... fi
   {z6-z5}diag_in(5l,6l,1,6r)--z6r..
   if y4'>lower_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
 penlabels(1,1',2,3,4,4',5,6,7);
 hpos_corr=-.75u; put_accent;
endchar; % accented N

cmchar "The letter accented O";
beginchar(accented_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
 penlabels(1,2,3,4);
 hpos_corr=-.75u; put_accent;
endchar; % accented O

cmchar "The letter accented S";
beginchar(accented_S,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
 penlabels(0,1,1',2,3,4,5,6,7,8,8',9,10);
 hpos_corr=-u; put_accent;
endchar; % accented S

cmchar "The letter accented Z";
beginchar(accented_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
 penlabels(1,2,3,4,5,6,7,8);
 hpos_corr=-.5u; put_accent;
endchar; % accented Z

cmchar "The letter dotted Z";
beginchar(dotted_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
 penlabels(1,2,3,4,5,6,7,8);
 put_dot(tiny,max(dot_size#,cap_curve#));
endchar; % dotted Z

endinput;
%%\end

