;;; iimage.el --- Inline image minor mode. ;; Copyright (C) 2004 Free Software Foundation ;; Author: KOSEKI Yoshinori ;; Maintainer: KOSEKI Yoshinori ;; Keywords: multimedia ;; This file is part of GNU Emacs. ;; GNU Emacs 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. ;; GNU Emacs 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: ;; Iimage is a minor mode that display a images, when image-filename ;; exists in buffer. ;; http://www.netlaputa.ne.jp/~kose/Emacs/iimage.html ;; ;; Add to your `~/.emacs': ;; (autoload 'iimage-mode "iimage" "SUpport Inline image minor mode." t) ;; ;; ** Display images in *Info* buffer. ;; ;; (add-hook 'info-mode-hook 'turn-on-iimage-mode) ;; ;; .texinfo: @file{file://foo.png} ;; .info: `file://foo.png' ;; ;; ** Display images in Wiki buffer. ;; ;; (add-hook 'wiki-mode-hook 'turn-on-iimage-mode) ;; ;; wiki-file: [[foo.png]] ;;; Code: (eval-when-compile (require 'image-file)) (defconst iimage-version "1.0") (defvar iimage-mode nil) (defvar iimage-mode-map nil) ;; Set up key map. (unless iimage-mode-map (setq iimage-mode-map (make-sparse-keymap)) (define-key iimage-mode-map "\C-l" 'iimage-recenter)) (defun iimage-recenter (&optional arg) "Re-draw images and recenter." (interactive "P") (iimage-mode-buffer 0) (iimage-mode-buffer 1) (recenter arg)) (defvar iimage-mode-image-filename-regex (concat "[-+./_0-9a-zA-Z]+\\." (regexp-opt (nconc (mapcar #'upcase image-file-name-extensions) image-file-name-extensions) t))) (defvar iimage-mode-image-regex-alist `((,(concat "\\(`?file://\\|\\[\\[\\|<\\|`\\)?" "\\(" iimage-mode-image-filename-regex "\\)" "\\(\\]\\]\\|>\\|'\\)?") . 2)) "*Alist of filename REGEXP vs NUM. Each element looks like (REGEXP . NUM). NUM specifies which parenthesized expression in the regexp. image filename regex exsamples: file://foo.png `file://foo.png' \\[\\[foo.gif]] foo.JPG ") (defun turn-on-iimage-mode () "Unconditionally turn on iimage mode." (interactive) (iimage-mode 1)) (defun turn-off-iimage-mode () "Unconditionally turn off iimage mode." (interactive) (iimage-mode 0)) (defun iimage-mode-buffer (arg) "Display/Undisplay Images. With numeric ARG, display the images if and only if ARG is positive." (interactive) (let ((ing (if (numberp arg) (> arg 0) iimage-mode)) (modp (buffer-modified-p (current-buffer))) file buffer-read-only) (save-excursion (goto-char (point-min)) (dolist (pair iimage-mode-image-regex-alist) (while (re-search-forward (car pair) nil t) (if (and (setq file (match-string (cdr pair))) (setq file (expand-file-name file default-directory)) (file-exists-p file)) (if ing (add-text-properties (match-beginning 0) (match-end 0) (list 'display (create-image file))) (remove-text-properties (match-beginning 0) (match-end 0) '(display))))))) (set-buffer-modified-p modp))) (define-minor-mode iimage-mode "Toggle inline image minor mode." nil " iImg" iimage-mode-map (run-hooks 'iimage-mode-hook) (iimage-mode-buffer iimage-mode)) (provide 'iimage) ;;; arch-tag: f6f8e29a-08f6-4a12-9496-51e67441ce65 ;;; iimage.el ends here