/usr/share/octave/packages/geometry-1.7.0/geom2d/drawBox.m is in octave-geometry 1.7.0-1build1.
This file is owned by root:root, with mode 0o644.
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## Copyright (C) 2004-2011 INRA - CEPIA Nantes - MIAJ (Jouy-en-Josas)
## Copyright (C) 2012 Adapted to Octave by Juan Pablo Carbajal <carbajal@ifi.uzh.ch>
## All rights reserved.
##
## 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 AUTHOR OR CONTRIBUTORS BE LIABLE FOR
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## 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.
## -*- texinfo -*-
## @deftypefn {Function File} {@var{h} =} drawBox (@var{box})
## @deftypefnx {Function File} {@var{h} =} drawBox (@var{box}, @var{param}, @var{value}, @dots{})
## 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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