;;;
;;; tm-image.el --- a tm-view content filter to display images in
-;;; XEmacs buffers
+;;; XEmacs or Mule buffers
;;;
-;;; Copyright (C) 1995 MORIOKA Tomohiko
+;;; Copyright (C) 1995,1996 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
;;; Version:
-;;; $Id: tm-image.el,v 2.0 1995/12/17 12:50:26 morioka Exp $
+;;; $Id: tm-image.el,v 7.3 1996/04/26 04:20:52 morioka Exp $
;;;
;;; Keywords: mail, news, MIME, multimedia, image, picture
;;;
;;; along with This program. If not, write to the Free Software
;;; Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
;;;
+;;; Commentary:
+;;; If you use this program with Mule, please install bitmap
+;;; extension package. It is available from
+;;; ftp://etlport.etl.go.jp/pub/mule/contrib/bitmap.tar.gz
+;;;
;;; Code:
(require 'tm-view)
-(require 'xpm)
-(require 'annotations)
+
+(cond (running-xemacs
+ (require 'xpm)
+ (require 'annotations)
+
+ (set-alist 'mime-viewer/content-filter-alist
+ "image/jpeg"
+ (if (featurep 'jpeg) ; Use built-in suport if available
+ (function mime-preview/filter-for-image/inline)
+ (function mime-preview/filter-for-image)
+ ))
+
+ (set-alist 'mime-viewer/content-filter-alist
+ "image/gif"
+ (if (featurep 'gif) ; Use built-in suport if available
+ (function mime-preview/filter-for-image/inline)
+ (function mime-preview/filter-for-image)
+ ))
+
+ (set-alist 'mime-viewer/content-filter-alist
+ "image/x-xpixmap"
+ (if (featurep 'xpm) ; Use built-in suport if available
+ (function mime-preview/filter-for-image/inline)
+ (function mime-preview/filter-for-image)
+ ))
+
+ (set-alist 'mime-viewer/content-filter-alist
+ "image/tiff" (function mime-preview/filter-for-image))
+ (set-alist 'mime-viewer/content-filter-alist
+ "image/x-tiff" (function mime-preview/filter-for-image))
+
+ (set-alist 'mime-viewer/content-filter-alist
+ "image/x-pic" (function mime-preview/filter-for-image))
+
+ (set-alist 'mime-viewer/content-filter-alist
+ "image/x-mag" (function mime-preview/filter-for-image))
+
+ (defvar tm-image/inline-image-types
+ '("image/jpeg" "image/gif" "image/tiff"
+ "image/x-tiff" "image/x-pic" "image/x-mag"
+ "image/x-xbm" "image/x-xpixmap"))
+
+ (defun bitmap-read-xbm (file)
+ (let (gl)
+ (while (progn
+ (setq gl (make-glyph file))
+ (eq (image-instance-type (glyph-image-instance gl))
+ 'text)
+ ))
+ (make-annotation gl (point) 'text)
+ ))
+
+ (defvar mime-viewer/image-converter-alist
+ '(("image/jpeg" . jpeg)
+ ("image/gif" . gif)
+ ("image/x-png" . png)
+ ("image/x-xpixmap" . xpm)
+ ))
+
+ (defun image-read-file (ctype file)
+ (let ((minor (assoc-value ctype mime-viewer/image-converter-alist))
+ gl)
+ (while (progn
+ (setq gl (make-glyph (vector minor :file file)))
+ (eq (image-instance-type (glyph-image-instance gl))
+ 'text)
+ ))
+ (make-annotation gl (point) 'text)
+ ))
+
+ (defvar mime-viewer/use-highlight-headers t)
+
+ (defvar mime-preview/x-face-function
+ (if (and mime-viewer/use-highlight-headers
+ (progn
+ (require 'highlight-headers)
+ highlight-headers-hack-x-face-p
+ ))
+ (function mime-preview/x-face-function-use-highlight-headers)
+ (function mime-preview/x-face-function-for-xemacs)
+ ))
+ )
+ ((boundp 'MULE)
+ (require 'bitmap)
+
+ (defvar tm-image/inline-image-types '("image/x-mag" "image/x-xbm"))
+
+ (defvar mime-preview/x-face-function (function bitmap-decode-x-face))
+ ))
(defvar mime-viewer/shell-command "/bin/sh")
(defvar mime-viewer/shell-arguments '("-c"))
-(setq mime-viewer/graphic-converter-alist
- '(("image/jpeg" . "djpeg -color 256 < %s | ppmtoxpm > %s")
- ("image/gif" . "giftopnm < %s | ppmtoxpm > %s")
- ("image/tiff" . "tifftopnm < %s | ppmquant 256 | ppmtoxpm > %s")
- ("image/x-tiff" . "tifftopnm < %s | ppmquant 256 | ppmtoxpm > %s")
- ("image/x-pic" . "pictoppm < %s | ppmquant 256 | ppmtoxpm > %s")
- ("image/x-mag" . "magtoppm < %s | ppmtoxpm > %s")
- ))
+(defvar mime-viewer/graphic-converter-alist
+ '(("image/jpeg" . "djpeg -color 256 < %s | ppmtoxpm > %s")
+ ("image/gif" . "giftopnm < %s | ppmtoxpm > %s")
+ ("image/tiff" . "tifftopnm < %s | ppmquant 256 | ppmtoxpm > %s")
+ ("image/x-tiff" . "tifftopnm < %s | ppmquant 256 | ppmtoxpm > %s")
+ ("image/x-pic" . "pictoppm < %s | ppmquant 256 | ppmtoxpm > %s")
+ ("image/x-mag" . "magtoppm < %s | ppmtoxpm > %s")
+ ))
+
+
+;;; @ X-Face
+;;;
+
+(defvar mime-viewer/x-face-to-xbm-command
+ (concat mime-viewer/x-face-to-pbm-command " | pbmtoxbm"))
+
+(if mime-preview/x-face-function
+ (add-hook 'mime-viewer/content-header-filter-hook
+ mime-preview/x-face-function)
+ )
+
+(defun mime-preview/x-face-function-use-highlight-headers ()
+ (highlight-headers (point-min) (re-search-forward "^$" nil t) t)
+ )
+(defun mime-preview/x-face-function-for-xemacs ()
+ (save-restriction
+ (narrow-to-region (point-min) (re-search-forward "^$" nil t))
+ (goto-char (point-min))
+ (if (re-search-forward "^X-Face:[ \t]*" nil t)
+ (let ((beg (match-end 0))
+ (end (rfc822/field-end))
+ (xbm-file
+ (make-temp-name (expand-file-name "tmxf" mime/tmp-dir))
+ ))
+ (call-process-region
+ beg end "sh" nil 0 nil
+ "-c"
+ (format "%s > %s"
+ mime-viewer/x-face-to-xbm-command
+ xbm-file))
+ (while (not (file-exists-p xbm-file)))
+ (delete-region beg end)
+ (bitmap-read-xbm xbm-file)
+ (condition-case nil
+ (delete-file xbm-file)
+ (error nil))
+ ))))
-;;; @ content filter for JPEG
+
+;;; @ content filter for images
;;;
+;; (for XEmacs 19.12 or later)
(defun mime-preview/filter-for-image (ctype params encoding)
(let* ((mode mime::preview/original-major-mode)
)
(setq gl (make-glyph xbm-file))
(setq annot (make-annotation gl (point) 'text))
- (delete-file orig-file)
- (delete-file xbm-file)
+ (unwind-protect
+ (delete-file orig-file)
+ (condition-case nil
+ (delete-file xbm-file)
+ (error nil)))
(goto-char (point-max))
(insert "\n")
(message "Translation done.")
(message (format "%s is not supported." ctype))
)))
-(set-alist 'mime-viewer/content-filter-alist
- "image/jpeg" (function mime-preview/filter-for-image))
-
-(set-alist 'mime-viewer/content-filter-alist
- "image/gif" (function mime-preview/filter-for-image))
-
-(set-alist 'mime-viewer/content-filter-alist
- "image/tiff" (function mime-preview/filter-for-image))
-(set-alist 'mime-viewer/content-filter-alist
- "image/x-tiff" (function mime-preview/filter-for-image))
-(set-alist 'mime-viewer/content-filter-alist
- "image/x-pic" (function mime-preview/filter-for-image))
+;;; @ content filter for support in-line image types
+;;;
+;; (for XEmacs 19.14 or later)
-(set-alist 'mime-viewer/content-filter-alist
- "image/x-mag" (function mime-preview/filter-for-image))
+(defun mime-preview/filter-for-image/inline (ctype params encoding)
+ (let* ((mode mime::preview/original-major-mode)
+ (m (assq mode mime-viewer/code-converter-alist))
+ (charset (assoc "charset" params))
+ (beg (point-min)) (end (point-max))
+ (image-file (make-temp-name (expand-file-name "tm" mime/tmp-dir)))
+ )
+ (remove-text-properties beg end '(face nil))
+ (mime/decode-region encoding beg end)
+ (write-region (point-min)(point-max) image-file)
+ (delete-region (point-min)(point-max))
+ (image-read-file ctype image-file)
+ (delete-file image-file)
+ (insert "\n")
+ ))
;;; @ content filter for xbm
(charset (assoc "charset" params))
(beg (point-min)) (end (point-max))
(xbm-file (make-temp-name (expand-file-name "tm" mime/tmp-dir)))
- gl annot)
+ )
(remove-text-properties beg end '(face nil))
(mime/decode-region encoding beg end)
(write-region (point-min)(point-max) xbm-file)
(delete-region (point-min)(point-max))
- (setq gl (make-glyph xbm-file))
- (setq annot (make-annotation gl (point) 'text))
+ (bitmap-read-xbm xbm-file)
(delete-file xbm-file)
))
(cons ctype
mime-viewer/default-showing-Content-Type-list))
))
- '("image/jpeg" "image/gif" "image/tiff"
- "image/x-tiff" "image/x-pic" "image/x-mag" "image/x-xbm"))
+ tm-image/inline-image-types)
;;; @ end
;;;
(provide 'tm-image)
+
+;;; tm-image.el ends here