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% Copyright 2016, Palle Jorgensen, hamselv(at)pallej.dk
%
% This file is part of the mparrows MetaPost module.
%
% mparrows 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.
%
% Foobar 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 Foobar. If not, see <http://www.gnu.org/licenses/>.
verbatimtex
%&latex
\documentclass[11pt]{scrbook}
\usepackage{tgpagella}
\usepackage[T1]{fontenc}
\begin{document}
etex;
input mparrows;
filenametemplate "%j%c.mps";
for s within btex text etex:
defaultfont:=fontpart.s;
defaultscale:=xxpart.s;
exitif true;
endfor
for i = 0 upto 7:
beginfig(i);
setarrows(i);
drawarrow (origin{right}..{up}(0,2mm));
drawdblarrow ((0,-2mm){up}..origin{right}..{up}(0,2mm)) shifted (5mm,0);
currentpicture:=currentpicture scaled 5;
endfig;
endfor
setarrows(barbed);
for i = 0 upto 10:
beginfig(i+10);
barbedarrowindent:=2*i/10;
drawarrow origin{dir 20}..{dir 20}(1cm,0);
currentpicture:=currentpicture scaled 5;
label.rt("barbedarrowindent=" & decimal.barbedarrowindent, (55mm,0mm));
endfig;
endfor;
beginfig(30);
barbedarrowindent:=-.6;
drawarrow origin{dir 20}..{dir 20}(1cm,0);
currentpicture:=currentpicture scaled 5;
label.rt("barbedarrowindent=" & decimal.barbedarrowindent, (55mm,0mm));
endfig;
setarrows(orig);
beginfig(31);
drawarrow (origin{right}..{up}(0,2mm));
draw _apth withcolor red;
currentpicture:=currentpicture scaled 5;
endfig;
setarrows(default);
beginfig(32);
drawarrow (origin{right}..{up}(0,2mm));
draw _apth withcolor red;
currentpicture:=currentpicture scaled 5;
endfig;
setarrows(barbedunfilled);
beginfig(33);
barbedarrowindent:=.6;
drawarrow (origin{right}..{up}(0,2mm));
draw (makepath pencircle scaled 2ahlength) shifted (0,2mm) withcolor red withpen currentpen scaled .2;
draw (makepath pencircle scaled (2*barbedarrowindent*ahlength)) shifted (0,2mm) withcolor green withpen currentpen scaled .2;
currentpicture:=currentpicture scaled 5;
endfig;
end.
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