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[bpt/emacs.git] / lisp / gnus / compface.el
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23f87bed 1;;; compface.el --- functions for converting X-Face headers
e84b4b86 2
d7a0267c 3;; Copyright (C) 2002, 2003, 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
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4
5;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
6;; Keywords: news
7
8;; This file is part of GNU Emacs.
9
10;; GNU Emacs is free software; you can redistribute it and/or modify
11;; it under the terms of the GNU General Public License as published by
5a9dffec 12;; the Free Software Foundation; either version 3, or (at your option)
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13;; any later version.
14
15;; GNU Emacs is distributed in the hope that it will be useful,
16;; but WITHOUT ANY WARRANTY; without even the implied warranty of
17;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
18;; GNU General Public License for more details.
19
20;; You should have received a copy of the GNU General Public License
21;; along with GNU Emacs; see the file COPYING. If not, write to the
3a35cf56
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22;; Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
23;; Boston, MA 02110-1301, USA.
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24
25;;; Commentary:
26
27;;; Code:
28
29;;;###
30(defun uncompface (face)
31 "Convert FACE to pbm.
32Requires the external programs `uncompface', and `icontopbm'. On a
33GNU/Linux system these might be in packages with names like `compface'
34or `faces-xface' and `netpbm' or `libgr-progs', for instance."
35 (with-temp-buffer
36 (insert face)
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37 (let ((coding-system-for-read 'raw-text)
38 ;; At least "icontopbm" doesn't work with Windows because
39 ;; the line-break code is converted into CRLF by default.
40 (coding-system-for-write 'binary))
41 (and (eq 0 (apply 'call-process-region (point-min) (point-max)
42 "uncompface"
43 'delete '(t nil) nil))
44 (progn
45 (goto-char (point-min))
46 (insert "/* Width=48, Height=48 */\n")
47 ;; I just can't get "icontopbm" to work correctly on its
48 ;; own in XEmacs. And Emacs doesn't understand un-raw pbm
49 ;; files.
50 (if (not (featurep 'xemacs))
51 (eq 0 (call-process-region (point-min) (point-max)
52 "icontopbm"
53 'delete '(t nil)))
54 (shell-command-on-region (point-min) (point-max)
55 "icontopbm | pnmnoraw"
56 (current-buffer) t)
57 t))
58 (buffer-string)))))
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59
60(provide 'compface)
61
62;;; arch-tag: f9c78e84-98c0-4142-9682-8ba4cf4c3441
63;;; compface.el ends here