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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_behavioral_common_mp:
expandafter endinput
fi;
_metauml_behavioral_common_mp:=1;
input util_log;
vardef SpecialStateInfo@#=
numeric @#diameter;
color @#discColor;
numeric @#shade;
color @#shadeColor, @#foreColor;
@#diameter := 0.4cm;
@#discColor := black;
@#foreColor := black;
ShadeInfo.@#iShade;
enddef;
vardef SpecialStateInfoCopy@#(text src)=
SpecialStateInfo.@#;
ShadeInfo_copy.@#iShade(src.iShade);
@#diameter := src.diameter;
@#discColor := src.discColor;
@#foreColor := src.foreColor;
enddef;
%%%%%%%%%%%%%%%%%%
% BEGIN %
%%%%%%%%%%%%%%%%%%
SpecialStateInfo.iBegin;
vardef Begin@#=
ObjectEquations(@#);
@#className := "Begin";
SpecialStateInfoCopy.@#info(iBegin);
enddef;
vardef Begin_layout@#=
if @#layedout = 1:
log "Begin " & (str @#) & " has already been layed out";
else:
@#layedout := 1;
@#width = @#info.diameter;
@#height = @#info.diameter;
fi;
enddef;
vardef Begin_draw@#=
Begin_layout@#;
objectEnsurePositioning.@#;
path @#border;
@#border := @#n..@#e..@#s..@#w..cycle;
drawObjectShade(@#);
fill @#border withcolor @#info.discColor;
draw @#border withcolor @#info.foreColor;
enddef;
vardef Begin_border@#=
@#border
enddef;
%%%%%%%%%%%%%%%%%%
% END %
%%%%%%%%%%%%%%%%%%
SpecialStateInfo.iEnd;
iEnd.innerSpacing := 2;
iEnd.discColor := white;
vardef End@#=
ObjectEquations(@#);
@#className := "End";
SpecialStateInfoCopy.@#info(iEnd);
@#info.innerSpacing := iEnd.innerSpacing;
enddef;
vardef End_layout@#=
Begin_layout@#;
enddef;
vardef End_draw@#=
Begin_draw.@#;
path @#innerDisc;
@#innerDisc := @#n - (0, @#info.innerSpacing) ..
@#e - (@#info.innerSpacing, 0) ..
@#s + (0, @#info.innerSpacing) ..
@#w + (@#info.innerSpacing, 0) ..cycle;
fill @#innerDisc withcolor @#info.foreColor;
enddef;
vardef End_border@#=
@#border
enddef;
%%%%%%%%%%%%%%%%%%
% ENTRY POINT %
%%%%%%%%%%%%%%%%%%
SpecialStateInfo.iEntryPoint;
iEntryPoint.discColor := white;
iEntryPoint.innerSpacing := 2;
vardef EntryPoint@#=
ObjectEquations(@#);
@#className := "EntryPoint";
SpecialStateInfoCopy.@#info(iEntryPoint);
@#info.innerSpacing := iEntryPoint.innerSpacing;
enddef;
vardef EntryPoint_layout@#=
Begin_layout@#;
enddef;
vardef EntryPoint_draw@#=
Begin_draw.@#;
enddef;
vardef EntryPoint_border@#=
@#border
enddef;
%%%%%%%%%%%%%%%%%%
% EXIT POINT %
%%%%%%%%%%%%%%%%%%
SpecialStateInfo.iExitPoint;
iExitPoint.discColor := white;
iExitPoint.innerSpacing := 2;
vardef ExitPoint@#=
ObjectEquations(@#);
@#className := "ExitPoint";
SpecialStateInfoCopy.@#info(iExitPoint);
@#info.innerSpacing := iExitPoint.innerSpacing;
@#info.iShade.shift := 0;
enddef;
vardef ExitPoint_layout@#=
Begin_layout@#;
enddef;
vardef ExitPoint_draw@#=
Begin_draw.@#;
_n_ := str @#;
generic_declare(pair) _n.urt, _n.lrt, _n.llft, _n.ulft;
@#urt := @#c + @#info.diameter/2 * (sind(45), cosd(45));
@#lrt := @#c + @#info.diameter/2 * (sind(135), cosd(135));
@#llft := @#c + @#info.diameter/2 * (sind(225), cosd(225));
@#ulft := @#c + @#info.diameter/2 * (sind(315), cosd(315));
draw @#urt -- @#llft;
draw @#ulft -- @#lrt;
enddef;
vardef ExitPoint_border@#=
@#border
enddef;
%%%%%%%%%%%%%%%%%%
% FlowFinal %
%%%%%%%%%%%%%%%%%%
SpecialStateInfo.iFlowFinal;
iFlowFinal.discColor := white;
iFlowFinal.innerSpacing := 2;
vardef FlowFinal@#=
ObjectEquations(@#);
@#className := "FlowFinal";
SpecialStateInfoCopy.@#info(iFlowFinal);
@#info.innerSpacing := iFlowFinal.innerSpacing;
%@#info.iShade.shift := 0;
enddef;
vardef FlowFinal_layout@#=
Begin_layout@#;
enddef;
vardef FlowFinal_draw@#=
ExitPoint_draw@#
enddef;
vardef FlowFinal_border@#=
@#border
enddef;
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