;;; image.el --- image API
;; Copyright (C) 1998, 1999, 2000, 2001 Free Software Foundation, Inc.
+
+;; Maintainer: FSF
;; Keywords: multimedia
;; This file is part of GNU Emacs.
(defun image-jpeg-p (data)
- "Value is non-nil if DATA, a string, consists of JFIF image data."
+ "Value is non-nil if DATA, a string, consists of JFIF image data.
+We accept the tag Exif because that is the same format."
(when (string-match "\\`\xff\xd8" data)
(catch 'jfif
(let ((len (length data)) (i 2))
(when (and (>= code #xe0) (<= code #xef))
;; APP0 LEN1 LEN2 "JFIF\0"
(throw 'jfif
- (string-match "JFIF" (substring data i (+ i nbytes)))))
+ (string-match "JFIF\\|Exif" (substring data i (+ i nbytes)))))
(setq i (+ i 1 nbytes))))))))
(setq file (expand-file-name file data-directory)))
(setq file (expand-file-name file))
(let ((header (with-temp-buffer
+ (set-buffer-multibyte nil)
(insert-file-contents-literally file nil 0 256)
(buffer-string))))
(image-type-from-data header)))
(let ((start (point)))
(insert string)
(add-text-properties start (point)
- (list 'display image
- ;; `image' has the right properties to
- ;; mark an intangible field.
- 'intangible image
- 'rear-nonsticky (list 'display)))))
+ `(display ,image rear-nonsticky (display)))))
;;;###autoload