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%% Copyright (c) 2011, INRA
%% 2003-2011, David Legland <david.legland@grignon.inra.fr>
%% 2011 Adapted to Octave by Juan Pablo Carbajal <carbajal@ifi.uzh.ch>
%%
%% All rights reserved.
%% (simplified BSD License)
%%
%% Redistribution and use in source and binary forms, with or without
%% modification, are permitted provided that the following conditions are met:
%%
%% 1. Redistributions of source code must retain the above copyright notice, this
%% list of conditions and the following disclaimer.
%%
%% 2. Redistributions in binary form must reproduce the above copyright notice,
%% this list of conditions and the following disclaimer in the documentation
%% and/or other materials provided with the distribution.
%%
%% THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
%% AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
%% IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
%% ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE
%% LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
%% CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
%% SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
%% INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
%% CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
%% ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
%% POSSIBILITY OF SUCH DAMAGE.
%%
%% The views and conclusions contained in the software and documentation are
%% those of the authors and should not be interpreted as representing official
%% policies, either expressed or implied, of copyright holder.
%% -*- texinfo -*-
%% @deftypefn {Function File} {@var{h} =} drawBox (@var{box})
%% @deftypefnx {Function File} {@var{h} =} drawBox (@var{box}, @var{param}, @var{value}, ...)
%% Draw a box defined by coordinate extents
%%
%% Draws a box defined by its extent: @var{box} = [@var{xmin} @var{xmax}
%% @var{ymin} @var{ymax}]. Addtional
%% arguments are passed to function @code{plot}. If requested, it returns the
%% handle to the graphics object created.
%%
%% @seealso{drawOrientedBox, drawRect, plot}
%% @end deftypefn
function varargout = drawBox(box, varargin)
% default values
xmin = box(:,1);
xmax = box(:,2);
ymin = box(:,3);
ymax = box(:,4);
nBoxes = size(box, 1);
r = zeros(nBoxes, 1);
% iterate on boxes
for i = 1:nBoxes
% exract min and max values
tx(1) = xmin(i);
ty(1) = ymin(i);
tx(2) = xmax(i);
ty(2) = ymin(i);
tx(3) = xmax(i);
ty(3) = ymax(i);
tx(4) = xmin(i);
ty(4) = ymax(i);
tx(5) = xmin(i);
ty(5) = ymin(i);
% display polygon
r(i) = plot(tx, ty, varargin{:});
end
% format output
if nargout > 0
varargout = {r};
end
endfunction
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