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path: root/fonts/greek/levy/l.mf
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%    Copyright (C) 1991 Silvio Levy
%     
%    This file is free software: you can redistribute it and/or modify
%    it under the terms of the GNU General Public License as published by
%    the Free Software Foundation, either version 2 of the License, or
%    (at your option) any later version.
%
%    This file is distributed in the hope that it will be useful,
%    but WITHOUT ANY WARRANTY; without even the implied warranty of
%    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
%    GNU General Public License for more details.
%
%    You should have received a copy of the GNU General Public License
%    along with this program.  If not, see <http://www.gnu.org/licenses/>.
%
%    As a special exception, if you create a document which uses this font,
%    and embed this font or unaltered portions of this font into the
%    document, this font does not by itself cause the resulting document to
%    be covered by the GNU General Public License. This exception does not
%    however invalidate any other reasons why the document might be covered
%    by the GNU General Public License. If you modify this font, you may
%    extend this exception to your version of the font, but you are not
%    obligated to do so. If you do not wish to do so, delete this exception
%    statement from your version.

if unknown gen_sigma : readfrom("gen_sigma") fi
     
def dims = 9.5u#,asc_height#,0 enddef;
def ital = 0 enddef;
def fit_params = -.25u#,-.25u# enddef;
def krn = -.75u# enddef;
     
def gen_letter=
  pickup fine.nib;
  x1-.5stem=hround .75u; y1+.5stem=h;                   %top left
  z1'=(1,.2); pos1(stem,angle z1'+90);                  %direction at z1
  x3+x1=w; y3-.5stem=-oo; pos3(stem,-angle z1'+90);     %bottom right
  y2=x_height; x2=.5[x1,x3];                            %attachment
  z2'=(z3-z1)yscaled 2; pos2(hair,angle z2'+90);        %direction at z4
  filldraw double_circ_stroke z1e{z1'}...
    z2e{(z3-z1)yscaled 2}...{z1' yscaled -1}z3e;                %diagonal
  lft x4l=hround.75u; bot y4l=0;                                %bottom left
  numeric stem'; stem'=stem-currentbreadth; numeric slope;      %from z4 to z4
  slope=angle(z2-z4l)+angle(length(z2-z4l)+-+.5stem',.5stem');
  x4r=x4l+(stem'/sind slope); y4r=y4l; z4=.5[z4r,z4l];
  path p; p=z1{z1'}...z2{(z3-z1)yscaled 2}...{z1' yscaled -1}z3;
  forsuffixes e=r,l: z5e=(z4e--(z4e+2(z2-z4))) intersectionpoint p; endfor
  filldraw stroke z4e{(z2-z4)if not monowidth: xscaled 1.2 fi}..z5e;
enddef;
     
cmchar "Lowercase lambda";
beginchar("l",dims);
this_letter; penlabels(1,2,3,4,5); endchar;
     
if boolean barebones: picture savedpicture; endinput; fi
     
cmchar "Lowercase sigma followed by lambda";
begindoublechar(oct"014",dim_sigma);
mid_sigma; doublecharkern(krn); middoublechar(dims); this_letter; endchar;
     
picture savedpicture;