/usr/share/texmf-texlive/metapost/metauml/metauml_paths.mp is in texlive-metapost 2009-15.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 | % MetaUML, a MetaPost library for typesetting exquisite UML diagrams.
% Copyright (C) 2005 Ovidiu Gheorghies
%
% This program 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 program 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, write to the Free Software
% Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
if known _metauml_paths_mp:
expandafter endinput
fi;
_metauml_paths_mp:=1;
def pathDirect(expr pA,pB) =
pA--pB
enddef;
vardef pathManhattanX(expr pA,pB) =
pA--(xpart(pB), ypart(pA))--pB
enddef;
vardef rpathManhattanX(expr pA,pB) =
pB--(xpart(pB), ypart(pA))--pA
enddef;
vardef pathManhattanY(expr pA,pB) =
pA--(xpart(pA), ypart(pB))--pB
enddef;
vardef rpathManhattanY(expr pA,pB) =
pB--(xpart(pA), ypart(pB))--pA
enddef;
vardef pathStepX(expr pA,pB, deltax) =
pA--(pA+(deltax, 0))--(((xpart pA)+deltax), ypart(pB))--pB
enddef;
vardef rpathStepX(expr pA,pB, deltax) =
pB--(((xpart pA)+deltax), ypart(pB))--(pA+(deltax, 0))--pA
enddef;
vardef pathStepY(expr pA,pB, deltay) =
pA--(pA+(0, deltay))--(xpart(pB), ((ypart pA)+deltay))--pB
enddef;
vardef rpathStepY(expr pA,pB, deltay) =
pB--(xpart(pB), ((ypart pA)+deltay))--(pA+(0, deltay))--pA
enddef;
vardef pathHorizontal(expr pA, untilX) =
pA--(untilX,ypart(pA))
enddef;
vardef rpathHorizontal(expr pA, untilX) =
(untilX,ypart(pA))--pA
enddef;
vardef pathVertical(expr pA, untilY) =
pA--(xpart(pA), untilY)
enddef;
vardef rpathVertical(expr pA, untilY) =
(xpart(pA), untilY)--pA
enddef;
% Cuts path thePath so that it won't intersect the objects
% objectA and objectB. The border of the objects is obtained
% by invoking the method "_border".
%
vardef pathCut(suffix objectA, objectB)(expr thePath)=
save timeA, timeB;
timeA = xpart (thePath intersectiontimes objectBorder(objectA));
timeB = xpart (thePath intersectiontimes objectBorder(objectB));
subpath (timeA, timeB) of thePath
enddef;
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