Mercurial > hg > octave-nkf
annotate scripts/plot/saveas.m @ 11523:fd0a3ac60b0e
update copyright notices
| author | John W. Eaton <jwe@octave.org> |
|---|---|
| date | Fri, 14 Jan 2011 05:47:45 -0500 |
| parents | c776f063fefe |
| children | c792872f8942 |
| rev | line source |
|---|---|
| 11523 | 1 ## Copyright (C) 2010-2011 Kai Habel |
| 11253 | 2 ## |
| 3 ## This file is part of Octave. | |
| 4 ## | |
| 5 ## Octave is free software; you can redistribute it and/or modify it | |
| 6 ## under the terms of the GNU General Public License as published by | |
| 7 ## the Free Software Foundation; either version 3 of the License, or (at | |
| 8 ## your option) any later version. | |
| 9 ## | |
| 10 ## Octave is distributed in the hope that it will be useful, but | |
| 11 ## WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 12 ## MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU | |
| 13 ## General Public License for more details. | |
| 14 ## | |
| 15 ## You should have received a copy of the GNU General Public License | |
| 16 ## along with Octave; see the file COPYING. If not, see | |
| 17 ## <http://www.gnu.org/licenses/>. | |
| 18 | |
| 19 ## -*- texinfo -*- | |
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20 ## @deftypefn {Function File} {} saveas (@var{h}, @var{filename}) |
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21 ## @deftypefnx {Function File} {} saveas (@var{h}, @var{filename}, @var{fmt}) |
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22 ## Save graphic object @var{h} to the file @var{filename} in graphic |
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23 ## format @var{fmt}. |
| 11253 | 24 ## |
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25 ## @var{fmt} should be one of the following formats: |
| 11253 | 26 ## |
| 27 ## @table @code | |
| 28 ## @item ps | |
| 29 ## Postscript | |
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30 ## |
| 11253 | 31 ## @item eps |
| 32 ## Encapsulated Postscript | |
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33 ## |
| 11253 | 34 ## @item jpg |
| 35 ## JPEG Image | |
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36 ## |
| 11253 | 37 ## @item png |
| 38 ## PNG Image | |
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39 ## |
| 11253 | 40 ## @item emf |
| 41 ## Enhanced Meta File | |
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42 ## |
| 11253 | 43 ## @item pdf |
| 44 ## Portable Document Format | |
| 45 ## @end table | |
| 46 ## | |
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47 ## All device formats specified in @code{print} may also be used. If |
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48 ## @var{fmt} is omitted it is extracted from the extension of @var{filename}. |
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49 ## The default format is @code{"pdf"}. |
| 11253 | 50 ## |
| 51 ## @example | |
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52 ## @group |
| 11253 | 53 ## figure (1); |
| 54 ## clf (); | |
| 55 ## surf (peaks); | |
| 56 ## saveas(1, "figure1.png"); | |
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57 ## @end group |
| 11253 | 58 ## @end example |
| 59 ## | |
| 60 ## @seealso{print} | |
| 61 ## @end deftypefn | |
| 62 | |
| 63 ## Author: Kai Habel | |
| 64 | |
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65 function saveas (h, filename, fmt = "pdf") |
| 11253 | 66 |
| 67 if ((nargin != 2) && (nargin != 3)) | |
| 68 print_usage (); | |
| 69 endif | |
| 70 | |
| 71 if (ishandle (h)) | |
| 72 if (isfigure (h)) | |
| 73 fig = h; | |
| 74 else | |
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75 fig = ancestor (h, "figure"); |
| 11253 | 76 endif |
| 77 else | |
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78 error ("saveas: first argument H must be a graphics handle"); |
| 11253 | 79 endif |
| 80 | |
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81 if (!ischar (filename)) |
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82 error ("saveas: FILENAME must be a string"); |
| 11253 | 83 endif |
| 84 | |
| 85 if (nargin == 2) | |
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86 [~, ~, ext] = fileparts (filename); |
| 11253 | 87 if (!isempty (ext)) |
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88 fmt = ext(2:end); |
| 11253 | 89 endif |
| 90 endif | |
| 91 | |
| 92 if (nargin == 3) | |
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93 if (!ischar (filename)) |
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94 error ("saveas: EXT must be a string"); |
| 11253 | 95 endif |
| 96 | |
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97 [~, ~, ext] = fileparts (filename); |
| 11253 | 98 |
| 99 if (isempty (ext)) | |
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100 filename = strcat (filename, ".", fmt); |
| 11253 | 101 endif |
| 102 endif | |
| 103 | |
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104 prt_opt = strcat ("-d", tolower (fmt)); |
| 11253 | 105 |
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106 print (filename, prt_opt); |
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107 |
| 11253 | 108 endfunction |