Mercurial > hg > octave-nkf
diff scripts/plot/saveas.m @ 11253:093c9facf0f0
Add saveas function
author | Kai Habel <kai.habel@gmx.de> |
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date | Mon, 15 Nov 2010 19:41:14 +0100 |
parents | |
children | 31f8534eb055 |
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new file mode 100644 --- /dev/null +++ b/scripts/plot/saveas.m @@ -0,0 +1,100 @@ +## Copyright (C) 2010 Kai Habel +## +## 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} {} saveas (@var{h}, @var{file_name}) +## @deftypefnx {Function File} {} saveas (@var{h}, @var{file_name}, @var{file_ext}) +## Save the graphic object @var{h} to file @var{file_name} in graphic +## format @var{file_ext}. +## +## @var{file_ext} should be one of the following formats: +## +## @table @code +## @item ps +## Postscript +## @item eps +## Encapsulated Postscript +## @item jpg +## JPEG Image +## @item png +## PNG Image +## @item emf +## Enhanced Meta File +## @item pdf +## Portable Document Format +## @end table +## +## All device formats specified in @code{print} can also be used. If @var{file_ext} +## is omitted it is extracted from @var{file_name}. The default value is +## pdf. +## +## @example +## figure (1); +## clf (); +## surf (peaks); +## saveas(1, "figure1.png"); +## @end example +## +## @seealso{print} +## @end deftypefn + +## Author: Kai Habel + +function saveas (h, fname, fext = "pdf") + + if ((nargin != 2) && (nargin != 3)) + print_usage (); + endif + + if (ishandle (h)) + if (isfigure (h)) + fig = h; + else + fig = ancestor (h, "figure") + endif + else + error ("first argument must be a graphics handle"); + endif + + if (!ischar(fname)) + error ("file_name must be a string."); + endif + + if (nargin == 2) + [~, ~, ext] = fileparts (fname); + if (!isempty (ext)) + fext = ext(2:end); + endif + endif + + if (nargin == 3) + if (!ischar (fname)) + error ("fext must be a string."); + endif + + [~, ~, ext] = fileparts (fname); + + if (isempty (ext)) + fname = strcat (fname, ".", fext); + endif + endif + + prt_opt = strcat ("-d", tolower (fext)); + + print (fname, prt_opt) +endfunction