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use consistent format for doc strings of internal functions
author John W. Eaton <jwe@octave.org>
date Thu, 19 Feb 2009 02:16:34 -0500
parents f6ca8ff51818
children eb63fbe60fab
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1 ## Copyright (C) 1996, 1997, 2006, 2007 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 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 ## Undocumented internal function.
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20
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21 ## -*- texinfo -*-
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22 ## @deftypefnx {Function File} {} __img__ (@var{x}, @var{y}, @var{img}, @dots{})
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23 ## Undocumented internal function.
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24 ## @end deftypefn
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25
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26 ## Generic image creation.
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27 ##
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28 ## The axis values corresponding to the matrix elements are specified in
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29 ## @var{x} and @var{y}. If you're not using gnuplot 4.2 or later, these
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30 ## variables are ignored.
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31
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32 ## Author: Tony Richardson <arichard@stark.cc.oh.us>
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33 ## Created: July 1994
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34 ## Adapted-By: jwe
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35
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36 function h = __img__ (x, y, img, varargin)
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37
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38 newplot ();
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39
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40 if (isempty (img))
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41 error ("__img__: matrix is empty");
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42 endif
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43
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44 if (isempty (x))
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45 x = [1, columns(img)];
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46 endif
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47
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48 if (isempty (y))
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49 y = [1, rows(img)];
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50 endif
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51
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52 xlim = [x(1), x(end)];
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53 ylim = [y(1), y(end)];
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54
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55 ca = gca ();
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56
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57 tmp = __go_image__ (ca, "cdata", img, "xdata", xlim, "ydata", ylim,
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58 "cdatamapping", "direct", varargin {:});
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60 if (ndims (img) == 3)
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61 if (isinteger (img))
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62 c = class (img);
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63 mn = intmin (c);
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64 mx = intmax (c);
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65 set (ca, "clim", double ([mn, mx]));
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66 endif
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67 endif
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68
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69 set (ca, "view", [0, 90], "xlimmode", "manual", "ylimmode", "manual",
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70 "xlim", xlim, "ylim", ylim);
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72 if (strcmp (get (ca, "nextplot"), "replace"))
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73 set (ca, "ydir", "reverse");
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74 endif
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75
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76 if (nargout > 0)
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77 h = tmp;
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78 endif
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79
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80 endfunction