/usr/share/texlive/texmf-dist/metapost/metauml/metauml_paths.mp is in texlive-metapost 2013.20140215-1.
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 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 181 182 183 184 185 186 187 | % 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(text twoParams) =
pair pointA__, pointB__;
string paramA_str__, paramB_str__;
boolean paramA_isObject__, paramB_isObject__;
paramA_isObject__ := true;
paramB_isObject__ := true;
boolean isFirstParam__;
isFirstParam__ := true;
%string twoParams;
%twoParams := "";
%twoParams := str paramA & ", " & str paramB;
%%includeonce% show "the two params are: " & twoParams;
forsuffixes param__ = twoParams:
if isFirstParam__:
isFirstParam__ := false;
paramA_str__ := str param__;
%includeonce% show "paramA_str__ <-- " & paramA_str__;
if not known (scantokens (paramA_str__ & ".className")):
%includeonce% show "paramA is not an object";
paramA_isObject__ := false;
fi;
else:
paramB_str__ := str param__;
%includeonce% show "paramB_str__ <-- " & paramB_str__;
if not known (scantokens (paramB_str__ & ".className")):
%includeonce% show "paramB is not an object";
paramB_isObject__ := false;
fi;
fi;
endfor;
%includeonce% show paramA_str__;
%includeonce% show paramA_isObject__;
%includeonce% show paramB_str__;
%includeonce% show paramB_isObject__;
string stringPath__;
stringPath__ := "(0,0)--(50,50)";
if (not paramA_isObject__) and (not paramB_isObject__):
%includeonce% show "Both are points!";
stringPath__ := paramA_str__ & "--(xpart " & paramB_str__ & ", ypart " & paramA_str__ & ") -- " & paramB_str__;
%includeonce% show stringPath__;
else:
pair refPointA__, refPointB__;
if paramA_isObject__:
refPointA__ := scantokens (paramA_str__ & ".c");
else:
refPointA__ := scantokens paramA_str__;
fi;
if paramB_isObject__:
refPointB__ := scantokens (paramB_str__ & ".c");
else:
refPointB__ := scantokens paramB_str__;
fi;
%includeonce% show "Reference point A: ";
%includeonce% show refPointA__;
%includeonce% show "Reference point B: ";
%includeonce% show refPointB__;
numeric dx__, dy__;
dx__ := xpart refPointB__ - xpart refPointA__;
dy__ := ypart refPointB__ - ypart refPointA__;
string addornmentA__;
addornmentA__ := "";
string addornmentB__;
addornmentB__ := "";
if (paramA_isObject__):
if (dx__ > 0):
addornmentA__ := ".e";
else:
addornmentA__ := ".w";
fi;
fi;
if (paramB_isObject__):
if (dy__ > 0):
addornmentB__ := ".s";
else:
addornmentB__ := ".n";
fi;
fi;
stringPath__ := "pathManhattanX(" & paramA_str__ & addornmentA__ & ", " & paramB_str__ & addornmentB__ & ")";
%includeonce% show stringPath;
%includeonce% show "-------------------> recursive call";
fi;
scantokens stringPath__
enddef;
vardef rpathManhattanX(text twoParams) =
reverse pathManhattanX(twoParams)
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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