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% 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_class_clipart_mp:
expandafter endinput
fi;
_metauml_class_clipart_mp:=1;
input util_log;
%%
%% This file contains various drawing which can be used in
%% UML class diagrams
%%
vardef LockInfo@#(expr _width, _height, _y, _d, _span, _faceColor, _topColor, _rightColor, _lockColor)=
numeric @#y, @#d, @#span, @#width, @#height;
color @#faceColor, @#topColor, @#rightColor, @#lockColor;
@#width := _width;
@#height := _height;
@#heightRatio := _y;
@#depthRatio := _d;
@#span := _span;
@#faceColor := _faceColor;
@#topColor := _topColor;
@#rightColor := _rightColor;
@#lockColor := _lockColor;
enddef;
vardef LockInfoCopy@#(text src)=
LockInfo@#(src.width, src.height, src.heightRatio, src.depthRatio, src.span,
src.faceColor, src.topColor, src.rightColor, src.lockColor);
enddef;
LockInfo.iLock(8, 8, .55, .15, .55, .4white, .6white, .7white, .3white);
def lockLockPen=pencircle scaled .8pt enddef;
def lockLockTension=tension(1) enddef;
vardef ELock@#(text lockInfo)(expr how)=
ObjectEquations(@#);
@#className := "Lock";
generic_declare(path) _n.pFace, _n.pRight, _n.pTop;
generic_declare(path) _n.pLock;
generic_declare(string) _n.mode;
LockInfoCopy.@#info(lockInfo);
@#height = @#info.height;
@#width = @#info.width;
@#mode := how;
log "ELock completed";
enddef;
vardef Lock@#(expr how)=
ELock@#(iLock)(how);
enddef;
vardef Lock_draw@#=
log "Drawing lock";
log @#nw;
log @#se;
generic_declare(numeric) _n.depth,_n.ya, _n.xa;
@#depth = @#info.width * @#info.depthRatio;
@#ya = ypart @#nw - @#height * @#info.heightRatio;
@#xa = xpart @#se - @#depth;
@#pFace = (xpart @#nw, @#ya) -- (@#xa, @#ya) -- (@#xa, ypart @#se) -- (xpart @#nw, ypart @#se) -- cycle;
@#pRight = (@#xa, ypart @#se) -- (xpart @#se, ypart @#se + @#depth) --
(xpart @#se, @#ya + @#depth) -- (@#xa, @#ya) -- cycle;
@#pTop = (@#xa, @#ya) -- (xpart @#se, @#ya + @#depth) --
(xpart @#nw + @#depth, @#ya + @#depth) -- (xpart @#nw, @#ya) -- cycle;
save myMode; string myMode;
myMode = "base";
if ((@#mode="private") or (@#mode="-")):
myMode := "closed";
elseif ((@#mode="protected") or (@#mode="#")):
myMode := "opened";
fi;
if myMode="closed":
log "Closed!";
generic_declare(pair) _n.A, _n.B, _n.C, _n.M;
generic_declare(numeric) _n.span;
@#span = @#info.span * @#width;
@#M = ((xpart @#se + xpart @#nw) / 2, @#ya + @#depth/2);
log @#M;
@#A = (xpart @#M - (@#span / 2), ypart @#M);
log @#A;
@#B = (xpart @#M + (@#span / 2), ypart @#M);
log @#B;
@#C = (xpart @#M, ypart @#nw);
log @#C;
linecap:=butt;
@#pLock = @#A {curl 0}..lockLockTension .. @#C .. lockLockTension .. {curl 0} @#B;
%withcolor @#info.lockColor withpen lockLockPen;
elseif myMode="opened":
log "Opened!";
generic_declare(pair) _n.A, _n.B, _n.C, _n.M;
generic_declare(numeric) _n.span;
@#span = @#info.span * @#width;
@#M = ((xpart @#se + xpart @#nw) / 2, @#ya + @#depth/2);
@#A = (xpart @#M - (@#span / 2), ypart @#M) + (0, @#height/3);
@#B = (xpart @#M + (@#span / 2), ypart @#M);
@#C = (xpart @#M, ypart @#nw);
log @#M, @#A, @#B, @#C;
linecap:=butt;
@#pLock = @#A {curl 0}..lockLockTension .. @#C .. lockLockTension .. {curl 0} @#B;
%withcolor @#info.lockColor withpen lockLockPen;
fi;
fill @#pFace withcolor @#info.faceColor;
fill @#pRight withcolor @#info.rightColor;
fill @#pTop withcolor @#info.topColor;
if not ((myMode = "opened") or (myMode="closed")):
log "No lock to draw...";
else:
draw @#pLock withcolor @#info.lockColor withpen lockLockPen;
fi;
enddef;
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