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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.
%%
%% This file contains various drawings which can be used in
%% UML usecase diagrams
%%
if known _metauml_usecase_clipart_mp:
expandafter endinput
fi;
_metauml_usecase_clipart_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_log;
vardef HumanInfo@#(expr _width, _height, _yHeadRatio, _yBodyRatio, _yHandsRatio, _xHandsRatio, _xLegsRatio)=
attributes(@#);
var(numeric) width, height, yHeadRatio, yBodyRatio,
yHandsRatio, xHandsRatio, xLegsRatip;
var(color) foreColor, shadeColor;
var(numeric) shade;
@#width := _width;
@#height := _height;
@#yHeadRatio := _yHeadRatio;
@#yBodyRatio := _yBodyRatio;
@#yHandsRatio := _yHandsRatio;
@#xHandsRatio := _xHandsRatio;
@#xLegsRatio := _xLegsRatio;
@#foreColor := black;
@#shadeColor := .7white;
@#shade := .5;
Margins.@#(2,2,1,0);
enddef;
vardef HumanInfoCopy@#(text src)=
HumanInfo@#(src.width, src.height, src.yHeadRatio, src.yBodyRatio, src.yHandsRatio, src.xHandsRatio, src.xLegsRatio);
_n_ := str @#;
var(color) foreColor, shadeColor;
var(numeric) shade;
@#foreColor := src.foreColor;
@#shadeColor := src.shadeColor;
@#shade := src.shade;
MarginsCopy.@#(src);
enddef;
HumanInfo.iHuman(25, 25, .3, .35, .55, 1, 1);
vardef EHuman@#(text _info)=
ObjectEquations(@#);
@#className := "Human";
var(path) pHead, pBody, pHands, pLegs;
HumanInfoCopy.@#info(_info);
enddef;
vardef Human@#=
EHuman@#(iHuman);
enddef;
vardef Human_layout@#=
if @#layedout = 1:
log "Human " & (str @#) & " has already been layed out";
else:
@#layedout := 1;
log "Human layout: " & (str @#);
attributes(@#);
@#height = @#info.height;
@#width = @#info.width;
log "(W, H) MUST BE SET. Their values are: " & (decimal @#height) &" "& (decimal @#width);
var(numeric) actualHeight, actualWidth;
@#actualHeight = @#height - @#info.top - @#info.bottom;
@#actualWidth = @#width - @#info.left - @#info.right;
% HEAD
var(pair) headS, headE, headW;
ypart @#headW = ypart @#headE;
.5[@#n - (0, @#info.top), @#headS] = .5[@#headE, @#headW];
(ypart @#n - @#info.top) - (ypart @#headS) =
(xpart @#headE) - (xpart @#headW) =
@#actualHeight * @#info.yHeadRatio;
(xpart @#headS) = (xpart @#n);
% BODY
var(pair) bodyS;
xpart @#bodyS = xpart @#headS;
ypart @#headS - ypart @#bodyS = @#actualHeight * @#info.yBodyRatio;
% HANDS
var(pair) handsW, handsE;
ypart @#handsW = ypart @#handsE = ypart @#n - (@#actualHeight * @#info.yHandsRatio);
.5[xpart @#handsE, xpart @#handsW] = @#midx;
xpart @#handsE - xpart @#handsW = @#actualWidth * @#info.xHandsRatio;
% LEGS
var(pair) footW, footE;
ypart @#footW = ypart @#footE = ypart @#s + @#info.bottom;
.5[xpart @#footW, xpart @#footE] = @#midx;
xpart @#footE - xpart @#footW = @#actualWidth * @#info.xLegsRatio;
log "Human layout completed";
fi;
enddef;
vardef Human_draw@#=
log "Drawing human";
Human_layout.@#;
objectEnsurePositioning.@#;
% all coordinates must be set to known values in order to compute the paths
@#pHead := (@#n - (0, @#info.top)) .. @#headE .. @#headS .. @#headW .. cycle;
@#pBody := @#headS -- @#bodyS;
@#pHands := @#handsW -- @#handsE;
@#pLegs := @#footW -- @#bodyS -- @#footE;
attributes(@#);
var(pair) shadeShift;
@#shadeShift = (@#info.shade, -@#info.shade);
draw @#pHead shifted @#shadeShift withcolor @#info.shadeColor;
draw @#pBody shifted @#shadeShift withcolor @#info.shadeColor;
draw @#pHands shifted @#shadeShift withcolor @#info.shadeColor;
draw @#pLegs shifted @#shadeShift withcolor @#info.shadeColor;
draw @#pHead withcolor @#info.foreColor;
draw @#pBody withcolor @#info.foreColor;
draw @#pHands withcolor @#info.foreColor;
draw @#pLegs withcolor @#info.foreColor;
enddef;
vardef Human_border@#=
objectBox(@#)
enddef;
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