update packages

[CreaPhase.git] / octave_packages / m / plot / line.m

diff --git a/octave_packages/m/plot/line.m b/octave_packages/m/plot/line.m
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+## Copyright (C) 2005-2012 John W. Eaton
+##
+## This file is part of Octave.
+##
+## Octave 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 3 of the License, or (at
+## your option) any later version.
+##
+## Octave 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 Octave; see the file COPYING.  If not, see
+## <http://www.gnu.org/licenses/>.
+
+## -*- texinfo -*-
+## @deftypefn  {Function File} {} line ()
+## @deftypefnx {Function File} {} line (@var{x}, @var{y})
+## @deftypefnx {Function File} {} line (@var{x}, @var{y}, @var{z})
+## @deftypefnx {Function File} {} line (@var{x}, @var{y}, @var{z}, @var{property}, @var{value}, @dots{})
+## Create line object from @var{x} and @var{y} and insert in current
+## axes object.  Return a handle (or vector of handles) to the line
+## objects created.
+##
+## Multiple property-value pairs may be specified for the line, but they
+## must appear in pairs.
+## @end deftypefn
+
+## Author: jwe
+
+function h = line (varargin)
+
+  ## make a default line object, and make it the current axes for
+  ## the current figure.
+  tmp = __line__ (gca (), varargin{:});
+
+  if (nargout > 0)
+    h = tmp;
+  endif
+
+endfunction
+
+%!test
+%! hf = figure ("visible", "off");
+%! unwind_protect
+%!   h = line;
+%!   assert (findobj (hf, "type", "line"), h);
+%!   assert (get (h, "xdata"), [0 1], eps);
+%!   assert (get (h, "ydata"), [0 1], eps);
+%!   assert (get (h, "type"), "line");
+%!   assert (get (h, "color"), get (0, "defaultlinecolor"));
+%!   assert (get (h, "linestyle"), get (0, "defaultlinelinestyle"));
+%!   assert (get (h, "linewidth"), get (0, "defaultlinelinewidth"), eps);
+%! unwind_protect_cleanup
+%!   close (hf);
+%! end_unwind_protect