code.delx.au - gnu-emacs/blob - lisp/gnus/compface.el

   1 ;;; compface.el --- functions for converting X-Face headers
   2 ;; Copyright (C) 2002 Free Software Foundation, Inc.
   3
   4 ;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
   5 ;; Keywords: news
   6
   7 ;; This file is part of GNU Emacs.
   8
   9 ;; GNU Emacs is free software; you can redistribute it and/or modify
  10 ;; it under the terms of the GNU General Public License as published by
  11 ;; the Free Software Foundation; either version 2, or (at your option)
  12 ;; any later version.
  13
  14 ;; GNU Emacs is distributed in the hope that it will be useful,
  15 ;; but WITHOUT ANY WARRANTY; without even the implied warranty of
  16 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17 ;; GNU General Public License for more details.
  18
  19 ;; You should have received a copy of the GNU General Public License
  20 ;; along with GNU Emacs; see the file COPYING.  If not, write to the
  21 ;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
  22 ;; Boston, MA 02111-1307, USA.
  23
  24 ;;; Commentary:
  25
  26 ;;; Code:
  27
  28 ;;;###
  29 (defun uncompface (face)
  30   "Convert FACE to pbm.
  31 Requires the external programs `uncompface', and `icontopbm'.  On a
  32 GNU/Linux system these might be in packages with names like `compface'
  33 or `faces-xface' and `netpbm' or `libgr-progs', for instance."
  34   (with-temp-buffer
  35     (insert face)
  36     (and (eq 0 (apply 'call-process-region (point-min) (point-max)
  37                       "uncompface"
  38                       'delete '(t nil) nil))
  39          (progn
  40            (goto-char (point-min))
  41            (insert "/* Width=48, Height=48 */\n")
  42            ;; I just can't get "icontopbm" to work correctly on its
  43            ;; own in XEmacs.  And Emacs doesn't understand un-raw pbm
  44            ;; files.
  45            (if (not (featurep 'xemacs))
  46                (eq 0 (call-process-region (point-min) (point-max)
  47                                           "icontopbm"
  48                                           'delete '(t nil)))
  49              (shell-command-on-region (point-min) (point-max)
  50                                       "icontopbm | pnmnoraw"
  51                                       (current-buffer) t)
  52              t))
  53          (buffer-string))))
  54
  55 (provide 'compface)
  56
  57 ;;; arch-tag: f9c78e84-98c0-4142-9682-8ba4cf4c3441
  58 ;;; compface.el ends here