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########################################################################
##
## Copyright (C) 2007-2024 The Octave Project Developers
##
## See the file COPYRIGHT.md in the top-level directory of this
## distribution or <https://octave.org/copyright/>.
##
## 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
## <https://www.gnu.org/licenses/>.
##
########################################################################
## -*- texinfo -*-
## @deftypefn {} {@var{limits} =} __axis_limits__ (@var{fcn})
## @deftypefnx {} {@var{xmode} =} __axis_limits__ (@var{fcn}, "mode")
## @deftypefnx {} {@var{xmethod} =} __axis_limits__ (@var{fcn}, "method")
## @deftypefnx {} {} __axis_limits__ (@var{fcn}, [@var{x_lo} @var{x_hi}])
## @deftypefnx {} {} __axis_limits__ (@var{fcn}, "auto")
## @deftypefnx {} {} __axis_limits__ (@var{fcn}, "manual")
## @deftypefnx {} {} __axis_limits__ (@var{fcn}, "tickaligned")
## @deftypefnx {} {} __axis_limits__ (@var{fcn}, "tight")
## @deftypefnx {} {} __axis_limits__ (@var{fcn}, "padded")
## @deftypefnx {} {} __axis_limits__ (@var{fcn}, @var{hax}, @dots{})
## @deftypefn {} {@var{old_limits} =} __axis_limits__ (@var{fcn}, @dots{})
## Internal function that implements common code to query or set the axis
## limits for a plot.
## @seealso{xlim, ylim, zlim, title}
## @end deftypefn
function retval = __axis_limits__ (fcn, varargin)
[hax, varargin, nargin] = __plt_get_axis_arg__ (fcn, varargin{:});
if (isempty (hax))
hax = gca ();
endif
if (nargin == 0)
retval = get (hax, fcn);
else
retval = [];
arg = varargin{1};
if (ischar (arg))
if (strcmpi (arg, "mode"))
retval = get (hax, [fcn "mode"]);
elseif (strcmpi (arg, "method"))
retval = get (hax, [fcn "itmethod"]);
elseif (any (strcmpi (arg, {"auto", "manual"})))
set (hax, [fcn "mode"], arg);
elseif (any (strcmpi (arg, {"tickaligned", "tight", "padded"})))
set (hax, [fcn "itmethod"], arg);
else
error ('%s: unrecognized argument "%s"', fcn, arg);
endif
else
if (! isnumeric (arg) || any (size (arg(:)) != [2, 1]))
error ("%s: LIMITS must be a 2-element vector", fcn);
elseif (arg(1) >= arg(2))
error ("%s: axis limits must be increasing", fcn);
endif
set (hax, fcn, arg(:));
endif
endif
endfunction
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