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1 ## Copyright (C) 2001 Paul Kienzle |
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2 ## |
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3 ## This file is part of Octave. |
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4 ## |
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5 ## Octave is free software; you can redistribute it and/or modify it |
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6 ## under the terms of the GNU General Public License as published by |
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7 ## the Free Software Foundation; either version 2, or (at your option) |
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8 ## any later version. |
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9 ## |
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10 ## Octave is distributed in the hope that it will be useful, but |
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11 ## WITHOUT ANY WARRANTY; without even the implied warranty of |
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12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
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13 ## General Public License for more details. |
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14 ## |
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15 ## You should have received a copy of the GNU General Public License |
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16 ## along with Octave; see the file COPYING. If not, write to the Free |
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17 ## Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA |
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18 ## 02110-1301, USA. |
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19 |
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20 ## -*- texinfo -*- |
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21 ## @deftypefn {Function File} {} orient (@var{orientation}) |
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22 ## Set default print orientation. Valid values for @var{orientation} |
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23 ## include @code{"landscape"} and @code{"portrait"}. If called with no |
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24 ## arguments, return the default print orientation. |
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25 ## @end deftypefn |
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26 |
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27 ## Author: Paul Kienzle |
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28 ## Adapted-By: jwe |
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29 |
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30 ## PKG_ADD: mark_as_command orient |
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31 |
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32 function retval = orient (varargin) |
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33 |
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34 nargs = nargin; |
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35 |
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36 if (nargs > 0 && ishandle (varargin{1})) |
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37 cf = varargin{1}; |
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38 varargin(1) = []; |
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39 nargs--; |
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40 else |
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41 cf = gcf (); |
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42 endif |
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43 |
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44 if (nargs == 0) |
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45 retval = get (cf, "paperorientation"); |
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46 elseif (nargin == 1) |
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47 orientation = varargin{1}; |
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48 if (strcmp (orientation, "landscape") || strcmp (orientation, "portrait")) |
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49 set (cf, "paperorientation", orientation) |
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50 else |
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51 error ("orient: unknown orientation"); |
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52 endif |
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53 else |
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54 print_usage (); |
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55 endif |
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56 |
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57 endfunction |
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58 |
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59 %!shared |
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60 %! set (gcf (), "visible", "off") |
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61 %!assert(orient,"portrait") # default |
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62 %!test orient('landscape') |
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63 %!assert(orient,"landscape") # change to landscape |
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64 %!test orient('portrait') |
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65 %!assert(orient,"portrait") # change to portrait |
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66 %!fail("orient('nobody')","unknown orientation") |
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67 %!assert(orient,"portrait") # errors don't change the state |
