X-Git-Url: https://git.creatis.insa-lyon.fr/pubgit/?p=CreaPhase.git;a=blobdiff_plain;f=octave_packages%2Fm%2Fplot%2Fgca.m;fp=octave_packages%2Fm%2Fplot%2Fgca.m;h=74e0e6a0e22cc19f8312a5aafc0dacf1bfcc4674;hp=0000000000000000000000000000000000000000;hb=1c0469ada9531828709108a4882a751d2816994a;hpb=63de9f36673d49121015e3695f2c336ea92bc278 diff --git a/octave_packages/m/plot/gca.m b/octave_packages/m/plot/gca.m new file mode 100644 index 0000000..74e0e6a --- /dev/null +++ b/octave_packages/m/plot/gca.m @@ -0,0 +1,60 @@ +## 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 +## . + +## -*- texinfo -*- +## @deftypefn {Function File} {} gca () +## Return a handle to the current axis object. If no axis object +## exists, create one and return its handle. The handle may then be +## used to examine or set properties of the axes. For example, +## +## @example +## @group +## ax = gca (); +## set (ax, "position", [0.5, 0.5, 0.5, 0.5]); +## @end group +## @end example +## +## @noindent +## creates an empty axes object, then changes its location and size in +## the figure window. +## @seealso{get, set} +## @end deftypefn + +## Author: jwe + +function h = gca () + + if (nargin == 0) + h = get (gcf (), "currentaxes"); + if (isempty (h)) + h = axes (); + endif + else + print_usage (); + endif + +endfunction + +%!test +%! hf = figure ("visible", "off"); +%! ax = axes; +%! unwind_protect +%! assert (gca, ax); +%! unwind_protect_cleanup +%! close (hf); +%! end_unwind_protect