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x.mf
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x.mf
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%% x.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 x.mf
%special "grayfont black";
beginchar("x",8.1pt#,6pt#,1pt#); "The letter x";
clear_vars;
letter_shift_string ="letter_shift (v0,.4pt,0);";
scaling_factor = 15/20;
nom_w = scaling_factor*9.9pt;
nom_h = scaling_factor*8.2pt;
nom_d = scaling_factor*1.1pt;
%% This does the stroke from upper left to lower right.
do_fill:=true;
%do_fill:=false;
pickup my_fill_pen;
begingroup save a,b,c;
a=45;
pos0(nib,40);pos1(nib,40);
pos2(nib,40);pos3(nib,45);
pos4(nib,45);
top rt z0r = (59/128 nom_w, nom_h);
z1 = (64/128 nom_w, 24/64 nom_h);
bot lft z2l = (38/64 nom_w, 3/256 nom_h);
top rt z3r = (253/256 nom_w, 24/64 nom_h);
z4 = (dir (a-90) * whatever) shifted z3;
y4 = y3 - 1/256 nom_w;
endgroup;
convert_path.p0(z0e{dir -100}..tension 1.2..z1e..%
tension 1.2 and 1.3..z2e..tension 1.2..{dir 45}z3e);
%% The steps of p0:
%% 0 1 2 3 4 5 6 7
%% z0l..z1l..z2l..z3l--z3r..z2r..z1r..z0r;
%%
if do_fill=true:
pickup my_fill_pen;
draw subpath(2,3) of p0;
filldraw subpath(0,2.3425) of p0.l-- reverse subpath(0,2.3425) of p0.r--cycle;
my_pen(45);
draw z3..z4;
else:
pickup my_fill_pen;
draw subpath(0,2.4) of p0.l-- reverse subpath(0,2.4) of p0.r--cycle;
fi;
%% This does the forestroke to the stroke from the upper left to the
%% lower right. There's not quite enough blank space between it and the
%% main stroke, but I don't think I can correct this.
pickup my_fill_pen;
pos5(nib,35);pos6(nib,35);
top lft z5l = (18/64 nom_w, 57/64 nom_h);
bot lft z6l = (24/64 nom_w, 43/64 nom_h);
convert_path.p1(z5e{dir -70}..z6e);
if do_fill=true:
pickup my_fill_pen;
filldraw p1;
else:
pickup my_fill_pen;
draw p1;
fi;
%% This does the stroke from the upper right to the lower left.
pos7(nib,55);
pos8(nib,47.5);
pos9(nib,47.5);
pos10(nib,45);pos11(nib,45);
pos12(nib,85);
%41/64 nom_w, 41/64 nom_h);
top rt z7r = (44/64 nom_w, 59/64 nom_h);
z8 = (1/2 nom_w, 29/64 nom_h);
z9 = (55/128 nom_w, 18/64 nom_h);
z10 = (47/128 nom_w, 4/64 nom_h);
bot lft z11l = (13/64 nom_w, -nom_d);
top rt z12r = (2/64 nom_w, 21/64 nom_h);
%% This produces an unwanted crossing point, but I don't know how to get
%% rid of it.
convert_path.p2(z7e..z8e..z9e..z10e..z11e..{up}z12e);
if do_fill=true:
pickup my_fill_pen; around_crossing_pt(p2,0,5,x_pt_factor);
else:
pickup my_fill_pen; draw p2;
fi;
%% This does the forestroke to the stroke from the upper right to the
%% lower left.
pickup my_fill_pen;
pos13(nib,60);
pos14(nib,60);
pos15(nib,85);
top z13r = top rt z7r shifted (-2/128 nom_w, 3/128 nom_h);
bot lft z14l = (100/128 nom_w, 91/128 nom_h);
bot lft z15l = (29/32 nom_w, 92/128 nom_h);
convert_path.p3(z13e..z14e..{dir 50}z15e);
if do_fill=true:
pickup my_fill_pen;
filldraw p3;
else:
pickup my_fill_pen;
draw p3;
fi;
do_letter_shift := true;
%do_letter_shift := false;
if do_letter_shift = true:
do_rules := false;
scantokens letter_shift_string;
else:
penlabels(range 0 thru 30);
input nom_rules;
%input nom_rules_extra;
fi;
endchar;
%% This was in the local variables list. I seem not to need it, though.
% mf-gf:"callig"
% Local Variables:
% auto-save-interval:0
% End: