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view scripts/plot/__plt_get_axis_arg__.m @ 14872:c2dbdeaa25df

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maint: use rows() and columns() to clarify m-files. * gradient.m, interp1q.m, rat.m, tsearchn.m, image.m, imwrite.m, area.m, contourc.m, hist.m, isocolors.m, isonormals.m, meshz.m, print.m, __bar__.m, __go_draw_axes__.m, __interp_cube__.m, __marching_cube__.m, __patch__.m, __print_parse_opts__.m, __quiver__.m, rose.m, shrinkfaces.m, stairs.m, surfnorm.m, tetramesh.m, text.m, deconv.m, spline.m, intersect.m, setdiff.m, setxor.m, union.m, periodogram.m, pcg.m, perms.m: Replace size (x,1) with rows (x) and size(x,2) with columns(x).
author Rik <octave@nomad.inbox5.com>
date Tue, 17 Jul 2012 13:34:19 -0700
parents f3d52523cde1
children 64d603f8bcd9
line wrap: on
line source

## Copyright (C) 1996-2012 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} {[@var{h}, @var{varargin}, @var{narg}] =} __plt_get_axis_arg__ (@var{caller}, @var{varargin})
## Undocumented internal function.
## @end deftypefn

## Author: jwe

function [h, varargin, narg] = __plt_get_axis_arg__ (caller, varargin)

  if (islogical (caller))
    nogca = caller;
    caller = varargin{1};
    varargin(1) = [];
  else
    nogca = false;
  endif

  ## Figure handles are integers, but object handles are non-integer,
  ## therefore ignore integer scalars.
  if (nargin > 1 && length (varargin) > 0 && isnumeric (varargin{1})
      && numel (varargin{1}) == 1 && ishandle (varargin{1}(1))
      && varargin{1}(1) != 0 && ! isfigure (varargin{1}(1)))
    tmp = varargin{1};
    obj = get (tmp);
    if ((strcmp (obj.type, "axes") && ! strcmp (obj.tag, "legend"))
        || strcmp (obj.type, "hggroup"))
      h = ancestor (tmp, "axes");
      varargin(1) = [];
      if (isempty (varargin))
        varargin = {};
      endif
    else
      error ("%s: expecting first argument to be axes handle", caller);
    endif
  else
    f = get (0, "currentfigure");
    if (isempty (f))
      h = [];
    else
      h = get (f, "currentaxes");
    endif
    if (isempty (h))
      if (nogca)
        h = NaN;
      else
        h = gca ();
      endif
    endif
    if (nargin < 2)
      varargin = {};
    endif
  endif

  if (ishandle (h) && strcmp (get (h, "nextplot"), "new"))
    h = axes ();
  endif

  narg = length (varargin);

endfunction


## No test needed for internal helper function.
%!assert (1)