From 632f50c4c80e1ec856abe3221af70b4e07909ec7 Mon Sep 17 00:00:00 2001 From: ueno Date: Sat, 27 Apr 2002 17:54:58 +0000 Subject: [PATCH] * xbm-thumb.el: Removed. * LSDB-ELS (lsdb-modules-to-compile): Remove xbm-thumb. --- LSDB-ELS | 2 +- xbm-thumb.el | 89 ---------------------------------------------------------- 2 files changed, 1 insertion(+), 90 deletions(-) delete mode 100644 xbm-thumb.el diff --git a/LSDB-ELS b/LSDB-ELS index e0b9385..9182139 100644 --- a/LSDB-ELS +++ b/LSDB-ELS @@ -5,7 +5,7 @@ ;;; Code: (setq lsdb-modules-to-compile - '(xbm-thumb lsdb)) + '(lsdb)) (setq lsdb-modules-not-to-compile nil) diff --git a/xbm-thumb.el b/xbm-thumb.el deleted file mode 100644 index 5005ea5..0000000 --- a/xbm-thumb.el +++ /dev/null @@ -1,89 +0,0 @@ -;;; xbm-thumb.el --- create XBM thumbnail under Emacs. -;; Copyright (C) 2000 Daiki Ueno - -;; Author: Daiki Ueno -;; Created: 2000-02-26 -;; Keywords: xbm, image - -;; This file is not part of any package. - -;; This program is free software; you can redistribute it and/or modify -;; it under the terms of the GNU General Public License as published by -;; the Free Software Foundation; either version 2, or (at your option) -;; any later version. - -;; This program is distributed in the hope that it will be useful, -;; but WITHOUT ANY WARRANTY; without even the implied warranty of -;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -;; GNU General Public License for more details. - -;; You should have received a copy of the GNU General Public License -;; along with GNU Emacs; see the file COPYING. If not, write to the -;; Free Software Foundation, Inc., 59 Temple Place - Suite 330, -;; Boston, MA 02111-1307, USA. - - -;;; Commentary: -;; - -;;; Code: - -(defvar xbm-thumb-dot-threshold 1) - -(defun xbm-thumb-fold-left (function accu sequence) - (if (null sequence) accu - (xbm-thumb-fold-left - function (funcall function accu (car sequence)) - (cdr sequence)))) - -(defun xbm-thumb-aggregate-block (b1 b2) - (let ((idx 128) (result 0)) - (while (> idx 1) - (setq result - (logior (lsh result 1) - (if (< xbm-thumb-dot-threshold - (xbm-thumb-fold-left - #'+ 0 (list - (logand b1 idx) - (logand b1 (lsh idx -1)) - (logand b2 idx) - (logand b2 (lsh idx -1))))) - 1 0)) - idx (lsh idx -2))) - result)) - -(defun xbm-thumb-aggregate-row (row) - (let ((len (/ (length row) 2)) - (result "") - (i 0)) - (while (< i len) - (setq result - (format "%s\\x%02x" result - (logior - (lsh (xbm-thumb-aggregate-block - (aref row (1+ i)) (aref row (+ i 1 len))) 4) - (xbm-thumb-aggregate-block - (aref row i) (aref row (+ i len))))) - i (+ i 2))) - result)) - -;;;###autoload -(defun xbm-make-thumbnail (data) - "Create XBM thumbnail." - (let* ((string (nth 2 data)) - (len (length string)) - (width (/ (car data) 8)) - (result "") - (i 0)) - (while (< i len) - (setq result - (concat result - (xbm-thumb-aggregate-row - (substring string i (setq i (+ i (* 2 width)))))))) - (list - (/ (car data) 2) (/ (nth 1 data) 2) - (car (read-from-string (concat "\"" result "\"")))))) - -(provide 'xbm-thumb) - -;;; xbm-thumb.el ends here -- 1.7.10.4