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62 lines
2.1 KiB
EmacsLisp
62 lines
2.1 KiB
EmacsLisp
;;; compface.el --- functions for converting X-Face headers
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;; Copyright (C) 2002-2011 Free Software Foundation, Inc.
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;; Author: Lars Magne Ingebrigtsen <larsi@gnus.org>
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;; Keywords: news
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;; This file is part of GNU Emacs.
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;; GNU Emacs is free software: you can redistribute it and/or modify
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;; it under the terms of the GNU General Public License as published by
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;; the Free Software Foundation, either version 3 of the License, or
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;; (at your option) any later version.
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;; GNU Emacs is distributed in the hope that it will be useful,
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;; but WITHOUT ANY WARRANTY; without even the implied warranty of
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;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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;; GNU General Public License for more details.
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;; You should have received a copy of the GNU General Public License
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;; along with GNU Emacs. If not, see <http://www.gnu.org/licenses/>.
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;;; Commentary:
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;;; Code:
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;;;###
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(defun uncompface (face)
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"Convert FACE to pbm.
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Requires the external programs `uncompface', and `icontopbm'. On a
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GNU/Linux system these might be in packages with names like `compface'
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or `faces-xface' and `netpbm' or `libgr-progs', for instance."
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(with-temp-buffer
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(unless (featurep 'xemacs) (set-buffer-multibyte nil))
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(insert face)
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(let ((coding-system-for-read 'raw-text)
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;; At least "icontopbm" doesn't work with Windows because
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;; the line-break code is converted into CRLF by default.
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(coding-system-for-write 'binary))
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(and (eq 0 (apply 'call-process-region (point-min) (point-max)
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"uncompface"
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'delete '(t nil) nil))
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(progn
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(goto-char (point-min))
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(insert "/* Width=48, Height=48 */\n")
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;; I just can't get "icontopbm" to work correctly on its
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;; own in XEmacs. And Emacs doesn't understand un-raw pbm
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;; files.
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(if (not (featurep 'xemacs))
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(eq 0 (call-process-region (point-min) (point-max)
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"icontopbm"
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'delete '(t nil)))
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(shell-command-on-region (point-min) (point-max)
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"icontopbm | pnmnoraw"
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(current-buffer) t)
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t))
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(buffer-string)))))
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(provide 'compface)
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;;; compface.el ends here
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