/usr/share/texlive/texmf-dist/metapost/metauml/util_picture_stack.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 | % MetaUtil, an easier MetaPost life
% 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 _util_picture_stack_mp:
expandafter endinput
fi;
_util_picture_stack_mp:=1;
% Sadly, this copy of the macro is needed to prevent multiple file loads being shown by MetaPost.
% The guard values (such as _metauml_mp) do ensure that the file isn't loaded multiple times,
% but this macro makes sure that MetaPost won't try to load the file and display a message for that.
def inputonce text libraryFile=
if not known scantokens ("_" & str libraryFile & "_mp"):
%includeonce% show "Loading " & str libraryFile;
scantokens ("input " & str libraryFile);
else:
%includeonce% show str libraryFile & " already loaded.";
fi;
enddef;
inputonce util_picture;
inputonce util_commons;
inputonce util_group;
inputonce util_log;
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
% %
% PICTURE STACK %
% %
%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%%
vardef PictureStackInfo@#(expr pleft, pright, ptop, pbottom)(text pspacing)(text ppictInfo)=
attributes(@#);
var(numeric) boxed;
var(color) borderColor;
var(numeric) left, right, top, bottom;
var(numeric) spacing;
Margins@#(pleft, pright, ptop, pbottom);
@#spacing := pspacing;
@#boxed := 0;
@#borderColor := green;
PictureInfoCopy.@#iPict(ppictInfo);
enddef;
vardef PictureStackInfoCopy@#(text src)=
PictureStackInfo@#(src.left, src.right, src.top, src.bottom)(src.spacing)(src.iPict);
@#boxed := src.boxed;
@#borderColor := src.borderColor;
enddef;
log "*** Creating iStack...";
PictureStackInfo.iStack(2, 2, 2, 2)(2)(iPict);
vardef EPictureStack@#(text pictStackInfo)(text thePictures)(text how)=
ObjectEquations(@#);
@#className := "PictureStack";
PictureStackInfoCopy.@#info(pictStackInfo);
attributes(@#);
var(numeric) nItems;
var(numeric) minx, miny, maxx, maxy;
var(string) picturesAsString;
var(string) joinMethod;
@#joinMethod := how;
@#nItems := 0;
for p=thePictures:
EPicture.@#pict[@#nItems](@#info.iPict)(p);
@#nItems := @#nItems + 1;
endfor;
@#picturesAsString := listArray(@#pict)(@#nItems);
EGroup.@#group(@#info)(scantokens @#picturesAsString);
@#nw = @#group.nw;
@#se = @#group.se;
enddef;
vardef PictureStack@#(text thePictures)(text how)=
EPictureStack@#(iStack)(thePictures)(how);
enddef;
vardef PictureStack_layout@#=
if @#layedout = 1:
log "PictureStack " & (str @#) & " has already been layed out";
else:
@#layedout := 1;
layoutObjects(scantokens @#picturesAsString);
if @#joinMethod = "vleft":
setObjectJoin(pa.left=pb.left; pa.bottom = pb.top + @#info.spacing);
elseif @#joinMethod = "vcenter":
setObjectJoin(pa.midx=pb.midx; pa.bottom = pb.top + @#info.spacing);
elseif @#joinMethod = "vright":
setObjectJoin(pa.right=pb.right; pa.bottom = pb.top + @#info.spacing);
elseif @#joinMethod = "vleftbase":
setObjectJoin(pa.left=pb.left; pa.bottom = pb.bottom + @#info.spacing);
elseif @#joinMethod = "vcenterbase":
setObjectJoin(pa.midx=pb.midx; pa.bottom = pb.bottom + @#info.spacing);
elseif @#joinMethod = "vrightbase":
setObjectJoin(pa.right=pb.right; pa.bottom = pb.bottom + @#info.spacing);
fi;
joinObjects(scantokens @#picturesAsString);
Group_layout.@#group;
fi;
enddef;
vardef PictureStack_draw@#=
PictureStack_layout.@#;
objectEnsurePositioning.@#;
for i=0 upto @#nItems-1:
Picture_draw.@#pict[i];
endfor;
if (@#info.boxed = 1):
draw objectBox(@#) withcolor @#info.borderColor;
fi;
enddef;
vardef PictureStack_border@#=
objectBox(@#)
enddef;
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