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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#,x_height#,0 enddef;
def ital = 0 enddef;
def fit_params = -.25,0 enddef;
def gen_letter =
pickup fine.nib;
pi_bar; %bar
pos4(hair,0); pos7(hair,0); y4=y7=y2; %attachments
lft x4l-(x1-.5hair)=lft x7l-rt x4r=rt x3-rt x7r;
pos5(hair,0); pos8(hair,0); y5=y8=.5x_height; x5=x4; x8=x7; %midstems
x6+.5stem=hround(rt x4r if not straight:-.25u fi); y6-.5stem=-oo; %left stem
numeric slope; slope=angle((z5-z6)xscaled2); pos6(stem,slope-90);
filldraw circ_stroke z6e...z5e---z4e;
x9=x7+1.5u; bot y9l=-oo; pos9(stem,90); alpha_tail(9,10); %right stem
filldraw stroke z10e...z9e{left}...z8e---z7e;
enddef;
cmchar "Lowercase pi";
beginchar("p",dims);
this_letter; penlabels(1,2,3,4,5,6,7,8,9,10); endchar;
if boolean barebones: picture savedpicture; endinput; fi
cmchar "Lowercase sigma followed by pi";
begindoublechar(oct"020",dim_sigma);
mid_sigma; middoublechar(dims); this_letter; endchar;
picture savedpicture;
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