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annotate scripts/plot/orient.m @ 14724:395d238418a7

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Allow graphics_toolkit (h) to return the value for specified figures. * graphics_toolkit: Support "kits = graphics_toolkit (h)." Improve documentation. Modify test.
author Ben Abbott <bpabbott@mac.com>
date Mon, 04 Jun 2012 20:55:25 -0400
parents f3d52523cde1
children eaab03308c0b
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72c96de7a403 maint: update copyright notices for 2012
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1 ## Copyright (C) 2001-2012 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 3 of the License, or (at
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8 ## your option) 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, see
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17 ## <http://www.gnu.org/licenses/>.
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18
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19 ## -*- texinfo -*-
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20 ## @deftypefn {Function File} {} orient (@var{orientation})
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21 ## Set the default print orientation. Valid values for
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c792872f8942 all script files: untabify and strip trailing whitespace
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22 ## @var{orientation} include @code{"landscape"}, @code{"portrait"},
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23 ## and @code{"tall"}.
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24 ##
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25 ## The @code{"tall"} option sets the orientation to portait and fills
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26 ## the page with the plot, while leaving a 0.25in border.
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27 ##
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28 ## If called with no arguments, return the default print orientation.
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29 ## @end deftypefn
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30
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31 ## Author: Paul Kienzle
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32 ## Adapted-By: jwe
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33
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34 function retval = orient (varargin)
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35
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36 nargs = nargin;
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37
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38 if (nargs > 0 && numel (varargin{1}) == 1 && isfigure (varargin{1}))
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39 cf = varargin{1};
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40 varargin(1) = [];
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41 nargs--;
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42 else
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43 cf = gcf ();
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44 endif
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45
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46 if (nargs == 0)
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47 retval = get (cf, "paperorientation");
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48 elseif (nargin == 1)
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49 orientation = varargin{1};
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50 if (strcmpi (orientation, "landscape") || strcmpi (orientation, "portrait"))
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51 if (! strcmpi (get (cf, "paperorientation"), orientation))
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52 ## FIXME - with the proper listeners in place there won't be a need to set
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53 ## the papersize and paperpostion here.
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54 papersize = get (cf, "papersize");
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55 paperposition = get (cf, "paperposition");
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56 set (cf, "paperorientation", orientation);
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57 set (cf, "papersize", papersize([2, 1]));
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58 set (cf, "paperposition", paperposition([2, 1, 4, 3]));
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59 endif
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60 elseif (strcmpi (varargin{1}, 'tall'))
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61 orient ("portrait");
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62 papersize = get (cf, "papersize");
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63 set (cf, "paperposition", [0.25, 0.25, (papersize - 0.5)]);
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64 else
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65 error ("orient: unknown ORIENTATION");
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66 endif
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67 else
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68 print_usage ();
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69 endif
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70
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71 endfunction
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72
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73
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74 %!shared papersize, paperposition, tallpaperposition, hfig
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75 %! papersize = [8.5, 11];
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76 %! paperposition = [0.25, 2.5, 8, 6];
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77 %! tallpaperposition = [0.25, 0.25, (papersize-0.5)];
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78 %! hfig = figure ();
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79 %! set (hfig, "visible", "off");
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80 %! set (hfig, "paperorientation", "portrait");
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81 %! set (hfig, "papersize", papersize);
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82 %! set (hfig, "paperposition", paperposition);
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83 %!test
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84 %! orient portrait;
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85 %! assert (orient, "portrait") # default
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86 %! assert (get (hfig, "papersize"), papersize);
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87 %! assert (get (hfig, "paperposition"), paperposition);
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88 %!test
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89 %! orient landscape;
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90 %! assert (orient,"landscape") # change to landscape
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91 %! assert (get (hfig, "papersize"), papersize([2, 1]));
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92 %! assert (get (hfig, "paperposition"), paperposition([2, 1, 4, 3]));
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93 %!test
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94 %! orient portrait # change back to portrait
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95 %! assert (orient, "portrait");
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96 %! assert (get (hfig, "papersize"), papersize);
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97 %! assert (get (hfig, "paperposition"), paperposition);
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98 %!test
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99 %! orient landscape;
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100 %! orient tall;
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101 %! assert (orient, "portrait");
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102 %! assert (get (hfig, "papersize"), papersize);
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103 %! assert (get (hfig, "paperposition"), tallpaperposition);
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104 %!fail ("orient ('nobody')", "unknown ORIENTATION")
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105 %!test
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106 %! orient portrait # errors don't change the state
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107 %! assert (orient, "portrait");
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108 %! assert (get (hfig, "papersize"), papersize);
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109 %! assert (get (hfig, "paperposition"), tallpaperposition);
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110 %! close (hfig);
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111