1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
|
;;; iimage.el --- Inline image minor mode.
;; Copyright (C) 2004, 2005, 2006, 2007 Free Software Foundation, Inc.
;; Author: KOSEKI Yoshinori <kose@meadowy.org>
;; Maintainer: KOSEKI Yoshinori <kose@meadowy.org>
;; 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., 51 Franklin Street, Fifth Floor,
;; Boston, MA 02110-1301, USA.
;;; Commentary:
;; Iimage is a minor mode that displays images, when image-filename
;; exists in the buffer.
;; http://www.netlaputa.ne.jp/~kose/Emacs/iimage.html
;;
;; Add to your `~/.emacs':
;; (autoload 'iimage-mode "iimage" "Support Inline image minor mode." t)
;; (autoload 'turn-on-iimage-mode "iimage" "Turn on 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))
(defgroup iimage nil
"Support for inline images."
:version "22.1"
:group 'image)
(defconst iimage-version "1.1")
(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.
Examples of image filename regexps:
file://foo.png
`file://foo.png'
\\[\\[foo.gif]]
<foo.png>
foo.JPG
")
(defvar iimage-mode-image-search-path nil
"*List of directories to search for image files for iimage-mode.")
;;;###autoload
(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))
;; Emacs21.3 or earlier does not heve locate-file.
(if (fboundp 'locate-file)
(defalias 'iimage-locate-file 'locate-file)
(defun iimage-locate-file (filename path)
(locate-library filename t path)))
(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 (iimage-locate-file file
(cons default-directory
iimage-mode-image-search-path))))
(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)))
;;;###autoload
(define-minor-mode iimage-mode
"Toggle inline image minor mode."
:group 'iimage :lighter " iImg" :keymap 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
|
