;;; ps-mule.el --- provide multi-byte character facility to ps-print
-;; Copyright (C) 1998, 1999, 2000, 2001, 2002 Free Software Foundation, Inc.
+;; Copyright (C) 1998, 1999, 2000, 2001, 2002, 2003
+;; Free Software Foundation, Inc.
;; Author: Vinicius Jose Latorre <vinicius@cpqd.com.br>
;; Kenichi Handa <handa@etl.go.jp> (multi-byte characters)
;; Maintainer: Kenichi Handa <handa@etl.go.jp> (multi-byte characters)
;; Vinicius Jose Latorre <vinicius@cpqd.com.br>
;; Keywords: wp, print, PostScript, multibyte, mule
-;; Time-stamp: <2001/08/15 15:34:11 vinicius>
+;; Time-stamp: <2003/05/14 22:19:41 vinicius>
;; This file is part of GNU Emacs.
(const bdf-font-except-latin) (const :tag "nil" nil))
:group 'ps-print-font)
-
-(eval-and-compile
- ;; For Emacs 20.2 and the earlier version.
- (if (and (boundp 'mule-version)
- (not (string< (symbol-value 'mule-version) "4.0")))
- ;; mule package is loaded
- (progn
- (defalias 'ps-mule-next-point '1+)
- (defalias 'ps-mule-chars-in-string 'length)
- (defalias 'ps-mule-string-char 'aref)
- (defsubst ps-mule-next-index (str i) (1+ i)))
- ;; mule package isn't loaded or mule version lesser than 4.0
- (defun ps-mule-next-point (arg)
- (save-excursion (goto-char arg) (forward-char 1) (point)))
- (defun ps-mule-chars-in-string (string)
- (/ (length string)
- (charset-bytes (char-charset (string-to-char string)))))
- (defun ps-mule-string-char (string idx)
- (string-to-char (substring string idx)))
- (defun ps-mule-next-index (string i)
- (+ i (charset-bytes (char-charset (string-to-char string)))))
- )
- ;; For Emacs 20.4 and the earlier version.
- (if (and (boundp 'mule-version)
- (string< (symbol-value 'mule-version) "5.0"))
- ;; mule package is loaded and mule version is lesser than 5.0
- (progn
- (defun encode-composition-rule (rule)
- (if (= (car rule) 4) (setcar rule 10))
- (if (= (cdr rule) 4) (setcdr rule 10))
- (+ (* (car rule) 12) (cdr rule)))
- (defun find-composition (pos &rest ignore)
- (let ((ch (char-after pos)))
- (and ch (eq (char-charset ch) 'composition)
- (let ((components (decompose-composite-char ch 'vector t)))
- (list pos (ps-mule-next-point pos) components
- (integerp (aref components 1)) nil
- (char-width ch)))))))
- ;; mule package isn't loaded
- (or (fboundp 'encode-composition-rule)
- (defun encode-composition-rule (rule)
- 130))
- (or (fboundp 'find-composition)
- (defun find-composition (pos &rest ignore)
- nil))
- ))
-
(defvar ps-mule-font-info-database
nil
"Alist of charsets with the corresponding font information.
FONT-TYPE is a font type: normal, bold, italic, or bold-italic.
-FONT-SRC is a font source: builtin, ps-bdf, vflib, or nil.
+FONT-SRC is a font source: builtin, bdf, vflib, or nil.
If FONT-SRC is builtin, FONT-NAME is a built-in PostScript font name.
(defun ps-mule-encode-bit (string delta)
(let* ((dim (charset-dimension (char-charset (string-to-char string))))
- (len (* (ps-mule-chars-in-string string) dim))
+ (len (* (length string) dim))
(str (make-string len 0))
(i 0)
(j 0))
(if (= dim 1)
(while (< j len)
(aset str j
- (+ (nth 1 (split-char (ps-mule-string-char string i))) delta))
- (setq i (ps-mule-next-index string i)
+ (+ (nth 1 (split-char (aref string i))) delta))
+ (setq i (1+ i)
j (1+ j)))
(while (< j len)
- (let ((split (split-char (ps-mule-string-char string i))))
+ (let ((split (split-char (aref string i))))
(aset str j (+ (nth 1 split) delta))
(aset str (1+ j) (+ (nth 2 split) delta))
- (setq i (ps-mule-next-index string i)
+ (setq i (1+ i)
j (+ j 2)))))
str))
;; Special encoding for mule-unicode-* characters.
(defun ps-mule-encode-ucs2 (string)
- (let* ((len (ps-mule-chars-in-string string))
+ (let* ((len (length string))
(str (make-string (* 2 len) 0))
(i 0)
(j 0)
ch hi lo)
(while (< i len)
- (setq ch (encode-char (ps-mule-string-char string i) 'ucs)
+ (setq ch (encode-char (aref string i) 'ucs)
hi (lsh ch -8)
lo (logand ch 255))
(aset str j hi)
(cons from ps-width-remaining)
(cons (if composition
(nth 1 composition)
- (ps-mule-next-point from))
+ (1+ from))
run-width)))
;; We assume that all characters in this range have the same width.
(setq char-width (* char-width (charset-width ps-mule-current-charset)))
- (let ((run-width (* (chars-in-region from to) char-width)))
+ (let ((run-width (* (abs (- from to)) char-width)))
(if (> run-width ps-width-remaining)
(cons (min to
(save-excursion
;; This case is obsolete for Emacs 21.
((eq ps-mule-current-charset 'composition)
- (ps-mule-plot-composition from (ps-mule-next-point from) bg-color))
+ (ps-mule-plot-composition from (1+ from) bg-color))
(t
;; No way to print this charset. Just show a vacant box of an
;;;###autoload
(defun ps-mule-header-string-charsets ()
"Return a list of character sets that appears in header strings."
- (let ((str ""))
- (when ps-print-header
- (let ((tail (list ps-left-header ps-right-header)))
- (while tail
- ;; Simulate what is done by ps-generate-header-line to get a
- ;; string to plot.
- (let ((count 0)
- (tmp (car tail)))
- (setq tail (cdr tail))
- (while (and tmp (< count ps-header-lines))
- (let ((elt (car tmp)))
- (setq tmp (cdr tmp)
- count (1+ count)
- str (concat str
- (cond ((stringp elt) elt)
- ((and (symbolp elt) (fboundp elt))
- (funcall elt))
- ((and (symbolp elt) (boundp elt))
- (symbol-value elt))
- (t ""))))))))))
- (let ((len (length str))
- (i 0)
- charset-list)
- (while (< i len)
- (let ((charset (char-charset (aref str i))))
- (setq i (1+ i))
- (or (eq charset 'ascii)
- (memq charset charset-list)
- (setq charset-list (cons charset charset-list)))))
- charset-list)))
+ (let* ((str (ps-header-footer-string))
+ (len (length str))
+ (i 0)
+ charset-list)
+ (while (< i len)
+ (let ((charset (char-charset (aref str i))))
+ (setq i (1+ i))
+ (or (eq charset 'ascii)
+ (memq charset charset-list)
+ (setq charset-list (cons charset charset-list)))))
+ charset-list))
;;;###autoload
(defun ps-mule-begin-job (from to)
(provide 'ps-mule)
+;;; arch-tag: bca017b2-66a7-4e59-8584-103e749eadbe
;;; ps-mule.el ends here