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1 ## Copyright (C) 1996, 1997 John W. Eaton |
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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, 59 Temple Place - Suite 330, Boston, MA |
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18 ## 02111-1307, USA. |
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19 |
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20 ## -*- texinfo -*- |
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21 ## @deftypefn {Function File} {} plot_border (...) |
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22 ## Multiple arguments allowed to specify the sides on which the border |
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23 ## is shown. Allowed arguments include: |
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24 ## |
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25 ## @table @code |
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26 ## @item "blank" |
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27 ## No borders displayed. |
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28 ## |
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29 ## @item "all" |
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30 ## All borders displayed |
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31 ## |
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32 ## @item "north" |
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33 ## North Border |
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34 ## |
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35 ## @item "south" |
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36 ## South Border |
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37 ## |
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38 ## @item "east" |
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39 ## East Border |
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40 ## |
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41 ## @item "west" |
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42 ## West Border |
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43 ## @end table |
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44 ## |
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45 ## @noindent |
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46 ## The arguments may be abbreviated to single characters. Without any |
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47 ## arguments, @code{plot_border} turns borders off. |
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48 ## @end deftypefn |
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49 |
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50 ## Author: Vinayak Dutt <Dutt.Vinayak@mayo.EDU> |
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51 ## Created: 3 July 95 |
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52 ## Adapted-By: jwe |
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53 |
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54 function plot_border (varargin) |
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55 |
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56 south = 0; |
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57 west = 0; |
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58 north = 0; |
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59 east = 0; |
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60 all = 0; |
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61 none = 1; |
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62 |
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63 k = 1; |
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64 |
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65 nargs = nargin (); |
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66 |
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67 while (nargs--) |
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68 |
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69 arg = varargin{k++}; |
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70 |
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71 if (! isstr (arg)) |
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72 error ("plot_border: input not a string"); |
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73 endif |
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74 |
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75 ## The effect of the arguments in cumulative. If something is found |
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76 ## after "b", do that and ignore "b". |
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77 |
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78 if (strcmp (arg, "blank") || strcmp (arg, "BLANK") |
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79 || strcmp (arg, "b") || strcmp (arg, "B")) |
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80 none = 1; |
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81 else |
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82 none = 0; |
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83 if (strcmp (arg, "south") || strcmp (arg, "SOUTH") |
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84 || strcmp (arg, "s") || strcmp (arg, "S")) |
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85 south = 1; |
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86 elseif (strcmp (arg, "west") || strcmp (arg, "WEST") |
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87 || strcmp (arg, "w") || strcmp (arg, "W")) |
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88 west = 2; |
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89 elseif (strcmp (arg, "north") || strcmp (arg, "NORTH") |
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90 || strcmp (arg, "n") || strcmp (arg, "N")) |
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91 north = 4; |
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92 elseif (strcmp (arg, "east") || strcmp (arg, "EAST") |
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93 || strcmp (arg, "e") || strcmp (arg, "E")) |
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94 east = 8; |
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95 elseif (strcmp (arg, "all") || strcmp (arg, "ALL") |
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96 || strcmp (arg, "a") || strcmp (arg, "A")) |
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97 all = 1; |
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98 endif |
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99 endif |
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100 endwhile |
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101 |
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102 if (none) |
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103 gset noborder; |
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104 else |
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105 if (all) |
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106 border = 15; |
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107 else |
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108 border = south + west + north + east; |
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109 endif |
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110 eval (sprintf ("gset border %d", border)); |
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111 endif |
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112 |
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113 endfunction |
