;;; Code:
+(eval-when-compile (require 'cl))
+
(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)
-
- (eval-when-compile (ignore-errors (require 'image)))
-
- (eval-and-compile
- (autoload 'bitmap-insert-xbm-buffer "bitmap"))
-
- (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)))
-
- (static-unless (or (not (fboundp 'create-image))
- (memq 'data-p (aref (symbol-function 'create-image) 0)))
- (defadvice create-image
- (around data-p (file-or-data &optional type data-p &rest props) activate)
- (if (ad-get-arg 2)
- (setq ad-return-value
- (nconc
- (list 'image ':type (ad-get-arg 1) ':data (ad-get-arg 0))
- props))
- (ad-set-args 0 (list (ad-get-arg 0) (ad-get-arg 1) (ad-get-arg 3)))
- ad-do-it)))
-
- (defun-maybe image-normalize (format data)
- (if (memq format '(xbm xpm))
- (create-image data format '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))
- (create-image image-file format))))
-
- (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))
- ((and (featurep 'mule)
- (condition-case nil
- (require 'x-face-mule)
- (file-error nil))
- (exec-installed-p uncompface-program exec-path))
- (add-hook 'mime-display-header-hook 'x-face-decode-message-header)))
+(static-if (featurep 'xemacs)
+ (progn
+ (defun mime-image-type-available-p (type)
+ (memq type (image-instantiator-format-list)))
+
+ (defun mime-image-create (file-or-data &optional type data-p &rest props)
+ (let ((instance
+ (make-image-instance
+ (if (and type (mime-image-type-available-p type))
+ (vector type (if data-p :data :file) file-or-data)
+ file-or-data)
+ nil nil 'noerror)))
+ (if (eq 'nothing (image-instance-type instance)) nil
+ (make-glyph instance))))
+
+ (defun mime-image-insert (image string &optional area)
+ (let ((extent (make-extent (point) (progn (insert string)(point)))))
+ (set-extent-property extent 'invisible t)
+ (set-extent-end-glyph extent image))))
+ (condition-case nil
+ (progn
+ (require 'image)
+ (defalias 'mime-image-type-available-p 'image-type-available-p)
+ (defalias 'mime-image-create 'create-image)
+ (defalias 'mime-image-insert 'insert-image))
+ (error
+ (condition-case nil
+ (progn
+ (require (if (featurep 'mule) 'bitmap ""))
+ (defun mime-image-read-xbm-buffer (buffer)
+ (condition-case nil
+ (mapconcat #'bitmap-compose
+ (append (bitmap-decode-xbm
+ (bitmap-read-xbm-buffer
+ (current-buffer))) nil) "\n")
+ (error nil)))
+ (defun mime-image-insert (image string &optional area)
+ (insert image)))
+ (error
+ (defun mime-image-read-xbm-buffer (buffer)
+ (save-excursion
+ (set-buffer buffer)
+ (let ((case-fold-search t) width height xbytes right margin)
+ (goto-char (point-min))
+ (or (re-search-forward "_width[\t ]+\\([0-9]+\\)" nil t)
+ (error "!! Illegal xbm file format" (current-buffer)))
+ (setq width (string-to-int (match-string 1))
+ xbytes (/ (+ width 7) 8))
+ (goto-char (point-min))
+ (or (re-search-forward "_height[\t ]+\\([0-9]+\\)" nil t)
+ (error "!! Illegal xbm file format" (current-buffer)))
+ (setq height (string-to-int (match-string 1)))
+ (goto-char (point-min))
+ (re-search-forward "0x[0-9a-f][0-9a-f],")
+ (delete-region (point-min) (match-beginning 0))
+ (goto-char (point-min))
+ (while (re-search-forward "[\n\r\t ,;}]" nil t)
+ (replace-match ""))
+ (goto-char (point-min))
+ (while (re-search-forward "0x" nil t)
+ (replace-match "\\x" nil t))
+ (goto-char (point-min))
+ (insert "(" (number-to-string width) " "
+ (number-to-string height) " \"")
+ (goto-char (point-max))
+ (insert "\")")
+ (goto-char (point-min))
+ (read (current-buffer)))))
+
+ (defun mime-image-insert (image string &optional area)
+ (save-restriction
+ (narrow-to-region (point)(point))
+ (let ((face (gensym "mis")))
+ (or (facep face) (make-face face))
+ (set-face-stipple face image)
+ (let ((row (make-string (/ (car image) (frame-char-width)) ? ))
+ (height (/ (nth 1 image) (frame-char-height)))
+ (i 0))
+ (while (< i height)
+ (set-text-properties (point) (progn (insert row)(point))
+ (list 'face face))
+ (insert "\n")
+ (setq i (1+ i)))))))))
+
+ (defun mime-image-type-available-p (type)
+ (eq type 'xbm))
+
+ (defun mime-image-create (file-or-data &optional type data-p &rest props)
+ (when (or (null type) (eq type 'xbm))
+ (with-temp-buffer
+ (if data-p
+ (insert file-or-data)
+ (insert-file-contents file-or-data))
+ (mime-image-read-xbm-buffer (current-buffer))))))))
(defvar mime-image-format-alist
'((image jpeg jpeg)
(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))))))
-
+ (when (mime-image-type-available-p (nth 2 rule))
+ (ctree-set-calist-strictly
+ 'mime-preview-condition
+ (list (cons 'type (car rule))(cons 'subtype (nth 1 rule))
+ '(body . visible)
+ (cons 'body-presentation-method #'mime-display-image)
+ (cons 'image-format (nth 2 rule))))))
+
;;; @ content filter for images
;;;
;; (for XEmacs 19.12 or later)
-(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")))
-
+ (let ((format (cdr (assq 'image-format situation)))
+ (image-file
+ (make-temp-name (expand-file-name "tm" temporary-file-directory)))
+ image)
+ (unwind-protect
+ (progn
+ (mime-write-entity-content entity image-file)
+ (if (null (setq image (mime-image-create image-file format)))
+ (message "Invalid glyph!")
+ (save-excursion
+ (mime-image-insert image "x")
+ (insert "\n")
+ (save-window-excursion
+ (set-window-buffer (selected-window)(current-buffer))
+ (sit-for 0))
+ (message "Decoding image... done"))))
+ (condition-case nil
+ (delete-file image-file)
+ (error nil)))))
;;; @ end
;;;
projects / elisp / semi.git / commitdiff