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########################################################################
##
## Copyright (C) 2020-2025 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{retval} =} __tickangle__ (@var{caller}, @var{hax}, @var{angle})
## Undocumented internal function.
## @seealso{xtickangle, ytickangle, ztickangle}
## @end deftypefn
function retval = __tickangle__ (caller, hax, angle)
ax = lower (caller(1));
switch (nargin)
case 1
retval = get (gca (), [ax, "ticklabelrotation"]);
return;
case 2
if (isaxes (hax))
retval = get (hax, [ax, "ticklabelrotation"]);
return;
else
angle = hax;
hax = [];
endif
case 3
if (! isaxes (hax))
error ([caller, ": HAX must be a handle to an axes object"]);
endif
endswitch
if (! (isscalar (angle) && isnumeric (angle) && isfinite (angle)))
error ([caller ": ANGLE must be a finite, numeric, scalar value"]);
elseif (nargout > 0)
error ([caller ": function called with output query and input set value"]);
endif
if (isempty (hax))
hax = gca ();
endif
set (hax, [ax, "ticklabelrotation"], angle);
endfunction
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