# Copyright (C) 1995 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 2, 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, write to the Free
# Software Foundation, 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.

function [X, map] = loadimage (filename)

# Load an image file.
#
# [X, map] = loadimage (img_file) loads an image and it's associated
# color map from file img_file.  The image must be in stored in
# octave's image format.
#
# SEE ALSO: saveimage, load, save

# Written by Tony Richardson (amr@mpl.ucsd.edu) July 1994.

  if (nargin != 1)
    usage ("loadimage (filename)");
  elseif (! isstr (filename))
    error ("loadimage: expecting filename as a string");
  endif

  file = file_in_path (IMAGEPATH, filename);

  if (isempty (file))
    error ("loadimage: unable to find image file");
  endif

# XXX FIXME XXX -- file is assumed to have variables X and map.
  
  eval (['load ', file]);

endfunction