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1 ## Copyright (C) 2007 David Bateman |
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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} {} fill (@var{x}, @var{y}, @var{c}) |
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21 ## @deftypefnx {Function File} {} fill (@var{x1}, @var{y1}, @var{c1}, @var{x2}, @var{y2}, @var{c2}) |
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22 ## @deftypefnx {Function File} {} fill (@dots{}, @var{prop}, @var{val}) |
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23 ## @deftypefnx {Function File} {} fill (@var{h}, @dots{}) |
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24 ## @deftypefnx {Function File} {@var{h} = } fill (@dots{}) |
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25 ## Create one or more filled patch objects, returning a patch object for each. |
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26 ## @end deftypefn |
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27 |
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28 function retval = fill (varargin) |
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29 |
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30 [h, varargin] = __plt_get_axis_arg__ ("fill", varargin{:}); |
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31 |
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32 htmp = []; |
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33 iargs = __find_patches__ (varargin{:}); |
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34 |
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35 oldh = gca (); |
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36 unwind_protect |
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37 axes (h); |
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38 |
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39 for i = 1 : length (iargs) |
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40 if (i == length (iargs)) |
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41 args = varargin (iargs(i):end); |
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42 else |
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43 args = varargin (iargs(i):iargs(i+1)-1); |
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44 endif |
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45 newplot (); |
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46 [tmp, fail] = __patch__ (h, args{:}); |
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47 if (fail) |
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48 print_usage(); |
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49 endif |
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50 htmp (end + 1) = tmp; |
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51 endfor |
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52 unwind_protect_cleanup |
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53 axes (oldh); |
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54 end_unwind_protect |
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55 |
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56 if (nargout > 0) |
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57 retval = htmp; |
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58 endif |
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59 |
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60 endfunction |
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61 |
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62 function iargs = __find_patches__ (varargin) |
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63 iargs = []; |
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64 i = 1; |
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65 while (i < nargin) |
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66 iargs (end + 1) = i; |
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67 if (ischar (varargin{i}) && (strcmp (tolower (varargin{i}), "faces") || |
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68 strcmp (tolower (varargin{i}), "vertices"))) |
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69 i += 4; |
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70 elseif (isnumeric (varargin{i})) |
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71 i += 2; |
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72 endif |
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73 |
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74 if (i <= nargin) |
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75 while (true); |
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76 if (ischar (varargin{i}) && |
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77 (strcmp (tolower (varargin{i}), "faces") || |
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78 strcmp (tolower (varargin{i}), "vertices"))) |
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79 break; |
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80 elseif (isnumeric (varargin{i})) |
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81 ## Assume its the colorspec |
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82 i++; |
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83 break; |
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84 elseif (ischar (varargin{i})) |
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85 colspec = tolower (varargin{i}); |
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86 collen = length (colspec); |
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87 |
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88 if (strncmp (colspec, "blue", collen) || |
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89 strncmp (colspec, "black", collen) || |
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90 strncmp (colspec, "k", collen) || |
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91 strncmp (colspec, "black", collen) || |
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92 strncmp (colspec, "red", collen) || |
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93 strncmp (colspec, "green", collen) || |
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94 strncmp (colspec, "yellow", collen) || |
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95 strncmp (colspec, "magenta", collen) || |
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96 strncmp (colspec, "cyan", collen) || |
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97 strncmp (colspec, "white", collen)) |
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98 i++; |
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99 break; |
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100 endif |
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101 else |
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102 i += 2; |
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103 endif |
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104 endwhile |
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105 endif |
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106 endwhile |
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107 endfunction |
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108 |
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109 %!demo |
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110 %! close all; |
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111 %! t1 = (1/16:1/8:1)'*2*pi; |
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112 %! t2 = ((1/16:1/8:1)' + 1/32)*2*pi; |
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113 %! x1 = sin(t1) - 0.8; |
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114 %! y1 = cos(t1); |
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115 %! x2 = sin(t2) + 0.8; |
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116 %! y2 = cos(t2); |
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117 %! h = fill(x1,y1,'r',x2,y2,'g') |
