;;; mime-image.el --- mime-view filter to display images
-;; Copyright (C) 1995,1996,1997 MORIOKA Tomohiko
+;; Copyright (C) 1995,1996,1997,1998 MORIOKA Tomohiko
;; Copyright (C) 1996 Dan Rich
;; Author: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;; Dan Rich <drich@morpheus.corp.sgi.com>
+;; Dan Rich <drich@morpheus.corp.sgi.com>
+;; Daiki Ueno <ueno@ueda.info.waseda.ac.jp>
+;; Katsumi Yamaoka <yamaoka@jpl.org>
;; Maintainer: MORIOKA Tomohiko <morioka@jaist.ac.jp>
;; Created: 1995/12/15
;; Renamed: 1997/2/21 from tm-image.el
-;; Version:
-;; $Id: mime-image.el,v 0.8 1997-03-15 21:10:43 morioka Exp $
;; Keywords: image, picture, X-Face, MIME, multimedia, mail, news
-;; This file is part of XEmacs.
+;; This file is part of SEMI (Showy Emacs MIME Interfaces).
;; This program is free software; you can redistribute it and/or
;; modify it under the terms of the GNU General Public License as
;;; Code:
+(eval-when-compile (require 'static))
+
(require 'mime-view)
(require 'alist)
+(require 'path-util)
+
+(cond
+ ((featurep 'xemacs)
+
+ (require 'images)
+
+ (defun-maybe image-inline-p (format)
+ (or (memq format image-native-formats)
+ (find-if (function
+ (lambda (native)
+ (image-converter-chain format native)
+ ))
+ image-native-formats)
+ ))
+
+ (image-register-netpbm-utilities)
+ (image-register-converter 'pic 'ppm "pictoppm")
+ (image-register-converter 'mag 'ppm "magtoppm")
+
+ (defun image-insert-at-point (image)
+ (let ((e (make-extent (point) (point))))
+ (set-extent-end-glyph e (make-glyph image))))
+
+ (defsubst-maybe image-invalid-glyph-p (glyph)
+ (or (null (aref glyph 0))
+ (null (aref glyph 2))
+ (equal (aref glyph 2) "")
+ ))
+ )
+ ((featurep 'mule)
-(cond (running-xemacs
- (require 'images)
-
- (defun-maybe image-inline-p (format)
- (or (memq format image-native-formats)
- (find-if (function
- (lambda (native)
- (image-converter-chain format native)
- ))
- image-native-formats)
- ))
-
- (image-register-netpbm-utilities)
- (image-register-converter 'pic 'ppm "pictoppm")
- (image-register-converter 'mag 'ppm "magtoppm")
-
- (defun bitmap-insert-xbm-file (file)
- (let ((gl (make-glyph (list (cons 'x file))))
- (e (make-extent (point) (point)))
- )
- (set-extent-end-glyph e gl)
- ))
-
- ;;
- ;; X-Face
- ;;
- (autoload 'highlight-headers "highlight-headers")
-
- (defun mime-preview/x-face-function-use-highlight-headers ()
- (highlight-headers (point-min) (re-search-forward "^$" nil t) t)
- )
-
- (add-hook 'mime-view-content-header-filter-hook
- 'mime-preview/x-face-function-use-highlight-headers)
-
- )
- ((featurep 'mule)
- ;; for MULE 2.* or mule merged EMACS
- (require 'x-face-mule)
-
- (defvar image-native-formats '(xbm))
-
- (defun-maybe image-inline-p (format)
- (memq format image-native-formats)
- )
-
- (defun-maybe image-normalize (format data)
- (and (eq format 'xbm)
- (vector 'xbm ':data data)
- ))
-
- ;;
- ;; X-Face
- ;;
- (if (file-installed-p uncompface-program exec-path)
- (add-hook 'mime-view-content-header-filter-hook
- 'x-face-decode-message-header)
- )
- ))
-
-(or (fboundp 'image-invalid-glyph-p)
- (defsubst image-invalid-glyph-p (glyph)
- (or (null (aref glyph 0))
- (null (aref glyph 2))
- (equal (aref glyph 2) "")
- ))
+ (eval-and-compile
+ (autoload 'bitmap-insert-xbm-buffer "bitmap")
)
-(defvar mime-view-image-converter-alist nil)
-
-(mapcar (function
- (lambda (rule)
- (let ((ctype (car rule))
- (format (cdr rule))
- )
- (if (image-inline-p format)
- (progn
- (set-alist 'mime-view-content-filter-alist
- ctype
- (function mime-preview/filter-for-image))
- (set-alist 'mime-view-image-converter-alist
- ctype format)
- (add-to-list
- 'mime-view-default-showing-Content-Type-list
- ctype)
- )
- ))))
- '(("image/jpeg" . jpeg)
- ("image/gif" . gif)
- ("image/tiff" . tiff)
- ("image/x-tiff" . tiff)
- ("image/xbm" . xbm)
- ("image/x-xbm" . xbm)
- ("image/x-xpixmap" . xpm)
- ("image/x-pic" . pic)
- ("image/x-mag" . mag)
- ))
-
-(defvar mime-view-ps-to-gif-command "pstogif")
+ (static-if (fboundp 'image-type-available-p)
+ (defalias-maybe 'image-inline-p 'image-type-available-p)
+ (defvar image-native-formats '(xbm))
+ (defun-maybe image-inline-p (format)
+ (memq format image-native-formats)))
+
+ (defun-maybe image-normalize (format data)
+ (if (memq format '(xbm xpm))
+ (list 'image ':type format ':data data)
+ (let ((image-file
+ (make-temp-name
+ (expand-file-name "tm" temporary-file-directory))))
+ (with-temp-buffer
+ (insert data)
+ (write-region-as-binary (point-min)(point-max) image-file))
+ (list 'image ':type format ':file image-file)
+ )))
+
+ (defun image-insert-at-point (image)
+ (static-if (fboundp 'insert-image)
+ (unwind-protect
+ (save-excursion
+ (static-if (condition-case nil
+ (progn (insert-image '(image)) nil)
+ (wrong-number-of-arguments t))
+ (insert-image image "x")
+ (insert-image image))
+ (insert "\n")
+ (save-window-excursion
+ (set-window-buffer (selected-window)(current-buffer))
+ (sit-for 0)))
+ (let ((file (plist-get (cdr image) ':file)))
+ (and file (file-exists-p file)
+ (delete-file file)
+ )))
+ (when (eq (plist-get (cdr image) ':type) 'xbm)
+ (save-restriction
+ (narrow-to-region (point)(point))
+ (insert (plist-get (cdr image) ':data))
+ (let ((mark (set-marker (make-marker) (point))))
+ (bitmap-insert-xbm-buffer (current-buffer))
+ (delete-region (point-min) mark))
+ ))))
+
+ (defsubst-maybe image-invalid-glyph-p (glyph)
+ (not (eq 'image (nth 0 glyph))))
+ ))
+
+;;
+;; X-Face
+;;
+
+(cond
+ ((module-installed-p 'highlight-headers)
+ (eval-and-compile
+ (autoload 'highlight-headers "highlight-headers"))
+
+ (defun mime-preview-x-face-function-use-highlight-headers ()
+ (highlight-headers (point-min) (re-search-forward "^$" nil t) t)
+ )
+ (add-hook 'mime-display-header-hook
+ 'mime-preview-x-face-function-use-highlight-headers)
+ )
+ ((featurep 'mule)
+ (require 'x-face-mule)
+ (when (exec-installed-p uncompface-program exec-path)
+ (add-hook 'mime-display-header-hook
+ 'x-face-decode-message-header))
+ ))
+
+(defvar mime-image-format-alist
+ '((image jpeg jpeg)
+ (image gif gif)
+ (image tiff tiff)
+ (image x-tiff tiff)
+ (image xbm xbm)
+ (image x-xbm xbm)
+ (image x-xpixmap xpm)
+ (image x-pic pic)
+ (image x-mag mag)
+ (image png png)))
+
+(dolist (rule mime-image-format-alist)
+ (let ((type (car rule))
+ (subtype (nth 1 rule))
+ (format (nth 2 rule)))
+ (when (image-inline-p format)
+ (ctree-set-calist-strictly
+ 'mime-preview-condition
+ (list (cons 'type type)(cons 'subtype subtype)
+ '(body . visible)
+ (cons 'body-presentation-method #'mime-display-image)
+ (cons 'image-format format))
+ ))))
;;; @ content filter for images
;;;
;; (for XEmacs 19.12 or later)
-(defun mime-preview/filter-for-image (ctype params encoding)
- (let ((beg (point-min))
- (end (point-max)))
- (remove-text-properties beg end '(face nil))
- (message "Decoding image...")
- (mime-decode-region beg end encoding)
- (let* ((minor (cdr (assoc ctype mime-view-image-converter-alist)))
- (gl (image-normalize minor (buffer-string)))
- e)
- (delete-region (point-min)(point-max))
- (cond ((image-invalid-glyph-p gl)
- (setq gl nil)
- (message "Invalid glyph!")
- )
- ((eq (aref gl 0) 'xbm)
- (let ((xbm-file
- (make-temp-name
- (expand-file-name "tm" mime-temp-directory))))
- (insert (aref gl 2))
- (write-region (point-min)(point-max) xbm-file)
- (message "Decoding image...")
- (delete-region (point-min)(point-max))
- (bitmap-insert-xbm-file xbm-file)
- (delete-file xbm-file)
- )
- (message "Decoding image... done")
- )
- (t
- (setq gl (make-glyph gl))
- (setq e (make-extent (point) (point)))
- (set-extent-end-glyph e gl)
- (message "Decoding image... done")
- ))
- )
- (insert "\n")
- ))
-
-
-;;; @ content filter for Postscript
-;;;
-;; (for XEmacs 19.14 or later)
-
-(defun mime-preview/filter-for-application/postscript (ctype params encoding)
- (let* ((beg (point-min)) (end (point-max))
- (file-base
- (make-temp-name (expand-file-name "tm" mime-temp-directory)))
- (ps-file (concat file-base ".ps"))
- (gif-file (concat file-base ".gif"))
- )
- (remove-text-properties beg end '(face nil))
- (message "Decoding Postscript...")
- (mime-decode-region beg end encoding)
- (write-region (point-min)(point-max) ps-file)
- (message "Decoding Postscript...")
- (delete-region (point-min)(point-max))
- (call-process mime-view-ps-to-gif-command nil nil nil ps-file)
- (set-extent-end-glyph (make-extent (point) (point))
- (make-glyph (vector 'gif :file gif-file)))
- (message "Decoding Postscript... done")
- (delete-file ps-file)
- (delete-file gif-file)
- ))
-
-(set-alist 'mime-view-content-filter-alist
- "application/postscript"
- (function mime-preview/filter-for-application/postscript))
-
-(if (featurep 'gif)
- (add-to-list 'mime-view-default-showing-Content-Type-list
- "application/postscript")
+(eval-when-compile
+ (defmacro mime-image-normalize-xbm (entity)
+ (` (with-temp-buffer
+ (mime-insert-entity-content (, entity))
+ (let ((cur (current-buffer))
+ width height)
+ (goto-char (point-min))
+ (search-forward "width ")
+ (setq width (read cur))
+ (goto-char (point-min))
+ (search-forward "height ")
+ (setq height (read cur))
+ (goto-char (point-min))
+ (search-forward "{")
+ (delete-region (point-min) (point))
+ (insert "\"")
+ (search-forward "}")
+ (delete-region (1- (point)) (point-max))
+ (insert "\"")
+ (goto-char (point-min))
+ (while (re-search-forward "[^\"0-9A-FXa-fx]+" nil t)
+ (replace-match ""))
+ (goto-char (point-min))
+ (while (search-forward "0x" nil t)
+ (replace-match "\\\\x"))
+ (goto-char (point-min))
+ (, (if (featurep 'xemacs)
+ (` (vector 'xbm :data
+ (list width height (read cur))))
+ '(` (image :type xbm :width (, width) :height (, height)
+ :data (, (read cur))))))))))
)
+(defun mime-display-image (entity situation)
+ (message "Decoding image...")
+ (let* ((format (cdr (assq 'image-format situation)))
+ (image (if (or (featurep 'xemacs) (boundp 'image-types))
+ (if (eq 'xbm format)
+ (mime-image-normalize-xbm entity)
+ (image-normalize format (mime-entity-content entity)))
+ (image-normalize format (mime-entity-content entity)))))
+ (if (image-invalid-glyph-p image)
+ (message "Invalid glyph!")
+ (image-insert-at-point image)
+ (message "Decoding image... done")))
+ (static-when (featurep 'xemacs)
+ (insert "\n")))
+
;;; @ end
;;;
projects / elisp / semi.git / blobdiff