+++ /dev/null
-;;; mime-image.el --- mime-view filter to display images
-
-;; 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>
-;; Maintainer: MORIOKA Tomohiko <morioka@jaist.ac.jp>
-;; Created: 1995/12/15
-;; Renamed: 1997/2/21 from tm-image.el
-
-;; Keywords: image, picture, X-Face, MIME, multimedia, mail, news
-
-;; 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
-;; 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 XEmacs; see the file COPYING. If not, write to the
-;; Free Software Foundation, Inc., 59 Temple Place - Suite 330,
-;; Boston, MA 02111-1307, USA.
-
-;;; Commentary:
-;; If you use this program with MULE, please install
-;; etl8x16-bitmap.bdf font included in tl package.
-
-;;; Code:
-
-(require 'mime-view)
-(require 'alist)
-
-(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 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 (exec-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) "")
- ))
- )
-
-(mapcar (function
- (lambda (rule)
- (let ((type (car rule))
- (subtype (nth 1 rule))
- (format (nth 2 rule)))
- (if (image-inline-p format)
- (ctree-set-calist-strictly
- 'mime-preview-condition
- (list (cons 'type type)(cons 'subtype subtype)
- '(body . visible)
- '(body-presentation-method . with-filter)
- (cons 'body-filter #'mime-preview-filter-for-image)
- (cons 'image-format format))
- )))))
- '((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)
- ))
-
-
-;;; @ content filter for images
-;;;
-;; (for XEmacs 19.12 or later)
-
-(defun mime-preview-filter-for-image (situation)
- (let ((beg (point-min))
- (end (point-max)))
- (remove-text-properties beg end '(face nil))
- (message "Decoding image...")
- (mime-decode-region beg end (cdr (assq 'encoding situation)))
- (let ((gl (image-normalize (cdr (assq 'image-format situation))
- (buffer-string))))
- (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))
- (let ((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)
-
-;; (defvar mime-view-ps-to-gif-command "pstogif")
-
-;; (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)
-;; ))
-
-;; If you would like to display inline Postscript image, please
-;; activate following:
-
-;; (set-alist 'mime-view-content-filter-alist
-;; "application/postscript"
-;; (function mime-preview-filter-for-application/postscript))
-
-;; (if (featurep 'gif)
-;; (add-to-list
-;; 'mime-view-visible-media-type-list "application/postscript")
-;; )
-
-
-;;; @ end
-;;;
-
-(provide 'mime-image)
-
-;;; mime-image.el ends here
projects / elisp / semi.git / blobdiff