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slong_rules.mf
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slong_rules.mf
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%% slong_rules.mf
%% * (1) Copyright and License.
%%%% This file is part of the source code for Mariu, a calligraphic font, programmed in METAFONT.
%%%% Copyright (C) 2022 Laurence D. Finston
%%%% Mariu 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 3 of the License, or
%%%% (at your option) any later version.
%%%% Mariu 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 Mariu; if not, write to the Free Software
%%%% Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
%%%% Please send bug reports to Laurence.Finston@gmx.de
%%%% The author can be contacted at:
%%%% Laurence D. Finston
%%%% Laurence.Finston@gmx.de
%% This is slong_rules.mf.
%% It makes proofrules for the nominal box for slong.
if unknown nom_d: nom_d = 0; fi;
% vertical rules:
begingroup
save a,b;
% b divides the nominal box by b.
b := 2;
% vertical rules:
for a=0 upto b:
proofrule(((a/b)*nom_w,-nom_d),((a/b)*nom_w,nom_h));
endfor;
b := 4;
for a=1 upto b:
% horizontal rules:
proofrule((0,(a/b)*nom_h),(nom_w,(a/b)*nom_h));
endfor;
% horizontal rules for y<0 (depth):
b:=2;
for a= 1 upto b:
proofrule((0,(a/b)*(-nom_d)),(nom_w,(a/b)*(-nom_d)));
endfor;
proofrulethickness .5mm#;
proofrule((0,0),(nom_w,0));
endgroup;