;; Maintainer: Kenichi Handa <handa@etl.go.jp> (multi-byte characters)
;; Vinicius Jose Latorre <vinicius@cpqd.com.br>
;; Keywords: wp, print, PostScript
-;; Time-stamp: <2001/08/07 13:22:04 vinicius>
-;; Version: 6.5.4
+;; Time-stamp: <2001/09/17 14:50:19 vinicius>
+;; Version: 6.5.5
;; X-URL: http://www.cpqd.com.br/~vinicius/emacs/
-(defconst ps-print-version "6.5.4"
- "ps-print.el, v 6.5.4 <2001/08/07 vinicius>
+(defconst ps-print-version "6.5.5"
+ "ps-print.el, v 6.5.5 <2001/09/17 vinicius>
Vinicius's last change version -- this file may have been edited as part of
Emacs without changes to the version number. When reporting bugs, please also
;; 11 8 5 2 11 8 5 2
;; 12 9 6 3 10 7 4 1
;;
-;; Any other value is treated as left-top.
+;; Any other value is treated as `left-top'.
;;
;; The default value is left-top.
;;
;; embeds color information in the PostScript image.
;; The default foreground and background colors are defined by the variables
;; `ps-default-fg' and `ps-default-bg'.
-;; On black-and-white printers, colors are displayed in gray scale.
+;; On black/white printers, colors are displayed in gray scale.
;; To turn off color output, set `ps-print-color-p' to nil.
+;; You can also set `ps-print-color-p' to 'black-white to have a better looking
+;; on black/white printers. See also `ps-black-white-faces' for documentation.
;;
;;
;; How Ps-Print Maps Faces
;; Acknowledgments
;; ---------------
;;
+;; Thanks to Adam Doppelt <adoppelt@avogadro.com> for face mapping suggestion
+;; for black/white PostScript printers.
+;;
;; Thanks to Toni Ronkko <tronkko@hytti.uku.fi> for line and paragraph spacing,
;; region to cut out when printing and footer suggestions.
;;
;;; Code:
(eval-and-compile
- (unless (featurep 'lisp-float-type)
- (error "`ps-print' requires floating point support"))
+ (require 'lpr)
+
+ (or (featurep 'lisp-float-type)
+ (error "`ps-print' requires floating point support"))
;; For Emacs 20.2 and the earlier version.
(fboundp 'x-color-values) ; Emacs
(fboundp 'color-instance-rgb-components))
; XEmacs
- "*Non-nil means print the buffer's text in color."
- :type 'boolean
+ "*Specify how buffer's text color is printed.
+
+Valid values are:
+
+ nil Do not print colors.
+
+ t Print colors.
+
+ black-white Print colors on black/white printer.
+ See also `ps-black-white-faces'.
+
+Any other value is treated as t."
+ :type '(choice :menu-tag "Print Color"
+ :tag "Print Color"
+ (const :tag "Do NOT Print Color" nil)
+ (const :tag "Print Always Color" t)
+ (const :tag "Print Black/White Color" black-white))
:group 'ps-print-color)
(defcustom ps-default-fg '(0.0 0.0 0.0)
:type 'boolean
:group 'ps-print-font)
+(defcustom ps-black-white-faces
+ '((font-lock-builtin-face "black" nil bold )
+ (font-lock-comment-face "gray20" nil italic)
+ (font-lock-constant-face "black" nil bold )
+ (font-lock-function-name-face "black" nil bold )
+ (font-lock-keyword-face "black" nil bold )
+ (font-lock-string-face "black" nil italic)
+ (font-lock-type-face "black" nil italic)
+ (font-lock-variable-name-face "black" nil bold italic)
+ (font-lock-warning-face "black" nil bold italic))
+ "*Specify list of face attributes to print colors on black/white printers.
+
+The list elements are the same as defined on `ps-extend-face' (which see).
+
+This variable is used only when `ps-print-color-p' is set to `black-white'."
+ :version "21.1"
+ :type '(repeat
+ (list :tag "Face Specification"
+ (face :tag "Face Symbol")
+ (choice :menu-tag "Foreground Color"
+ :tag "Foreground Color"
+ (const :tag "Black" nil)
+ (string :tag "Color Name"))
+ (choice :menu-tag "Background Color"
+ :tag "Background Color"
+ (const :tag "None" nil)
+ (string :tag "Color Name"))
+ (repeat :inline t
+ (choice :menu-tag "Attribute"
+ (const bold)
+ (const italic)
+ (const underline)
+ (const strikeout)
+ (const overline)
+ (const shadow)
+ (const box)
+ (const outline)))))
+ :group 'ps-print-face)
+
(defcustom ps-bold-faces
(unless ps-print-color-p
'(font-lock-function-name-face
(defun ps-print-region (from to &optional filename)
"Generate and print a PostScript image of the region.
Like `ps-print-buffer', but prints just the current region."
- (interactive
- (unless mark-active
- (error "The mark is not set now"))
- (list (point) (mark) (ps-print-preprint current-prefix-arg)))
+ (interactive (ps-print-preprint-region current-prefix-arg))
(ps-print-without-faces from to filename t))
Like `ps-print-region', but includes font, color, and underline information in
the generated image. This command works only if you are using a window system,
so it has a way to determine color values."
- (interactive
- (unless mark-active
- (error "The mark is not set now"))
- (list (point) (mark) (ps-print-preprint current-prefix-arg)))
+ (interactive (ps-print-preprint-region current-prefix-arg))
(ps-print-with-faces from to filename t))
(defun ps-nb-pages-buffer (nb-lines)
"Display number of pages to print this buffer, for various font heights.
The table depends on the current ps-print setup."
- (interactive (list (count-lines (point-min) (point-max))))
+ (interactive (ps-count-lines-preprint (point-min) (point-max)))
(ps-nb-pages nb-lines))
;;;###autoload
(defun ps-nb-pages-region (nb-lines)
"Display number of pages to print the region, for various font heights.
The table depends on the current ps-print setup."
- (interactive
- (unless mark-active
- (error "The mark is not set now"))
- (list (count-lines (mark) (point))))
+ (interactive (ps-count-lines-preprint (mark) (point)))
(ps-nb-pages nb-lines))
(defvar ps-prefix-quote nil
'(20 . ps-bold-faces)
'(20 . ps-italic-faces)
'(20 . ps-underlined-faces)
+ '(20 . ps-black-white-faces)
" )\n
;; The following customized variables have long lists and are seldom modified:
;; ps-page-dimensions-database
;; Internal Variables
+(defvar ps-black-white-faces-alist nil
+ "Alist of symbolic faces used for black/white PostScript printers.
+An element of this list has the same form as `ps-print-face-extension-alist'
+(which see).
+
+Don't change this list directly; instead,
+use `ps-extend-face' and `ps-extend-face-list'.
+See documentation for `ps-extend-face' for valid extension symbol.
+See also documentation for `ps-print-color-p'.")
+
+
(defvar ps-print-face-extension-alist nil
"Alist of symbolic faces *WITH* extension features (box, outline, etc).
An element of this list has the following form:
;;;###autoload
-(defun ps-extend-face-list (face-extension-list &optional merge-p)
- "Extend face in `ps-print-face-extension-alist'.
+(defun ps-extend-face-list (face-extension-list &optional merge-p alist-sym)
+ "Extend face in ALIST-SYM.
If optional MERGE-P is non-nil, extensions in FACE-EXTENSION-LIST are merged
-with face extension in `ps-print-face-extension-alist'; otherwise, overrides.
+with face extension in ALIST-SYM; otherwise, overrides.
+
+If optional ALIST-SYM is nil, it's used `ps-print-face-extension-alist';
+otherwise, it should be an alist symbol.
The elements in FACE-EXTENSION-LIST is like those for `ps-extend-face'.
See `ps-extend-face' for documentation."
(while face-extension-list
- (ps-extend-face (car face-extension-list) merge-p)
+ (ps-extend-face (car face-extension-list) merge-p alist-sym)
(setq face-extension-list (cdr face-extension-list))))
;;;###autoload
-(defun ps-extend-face (face-extension &optional merge-p)
- "Extend face in `ps-print-face-extension-alist'.
+(defun ps-extend-face (face-extension &optional merge-p alist-sym)
+ "Extend face in ALIST-SYM.
If optional MERGE-P is non-nil, extensions in FACE-EXTENSION list are merged
-with face extensions in `ps-print-face-extension-alist'; otherwise, overrides.
+with face extensions in ALIST-SYM; otherwise, overrides.
+
+If optional ALIST-SYM is nil, it's used `ps-print-face-extension-alist';
+otherwise, it should be an alist symbol.
The elements of FACE-EXTENSION list have the form:
outline - print characters as hollow outlines.
If EXTENSION is any other symbol, it is ignored."
- (let* ((face-name (nth 0 face-extension))
- (foreground (nth 1 face-extension))
- (background (nth 2 face-extension))
- (ps-face (cdr (assq face-name ps-print-face-extension-alist)))
+ (or alist-sym
+ (setq alist-sym 'ps-print-face-extension-alist))
+ (let* ((background (nth 2 face-extension))
+ (foreground (nth 1 face-extension))
+ (face-name (nth 0 face-extension))
+ (ps-face (cdr (assq face-name (symbol-value alist-sym))))
(face-vector (or ps-face (vector 0 nil nil)))
- (face-bit (ps-extension-bit face-extension)))
+ (face-bit (ps-extension-bit face-extension)))
;; extend face
(aset face-vector 0 (if merge-p
(logior (aref face-vector 0) face-bit)
face-bit))
- (and foreground (stringp foreground) (aset face-vector 1 foreground))
- (and background (stringp background) (aset face-vector 2 background))
+ (and (or (not merge-p) (and foreground (stringp foreground)))
+ (aset face-vector 1 foreground))
+ (and (or (not merge-p) (and background (stringp background)))
+ (aset face-vector 2 background))
;; if face does not exist, insert it
(or ps-face
- (setq ps-print-face-extension-alist
- (cons (cons face-name face-vector)
- ps-print-face-extension-alist)))))
+ (set alist-sym (cons (cons face-name face-vector)
+ (symbol-value alist-sym))))))
(defun ps-extension-bit (face-extension)
(ps-generate (current-buffer) from to 'ps-generate-postscript-with-faces))
+(defun ps-count-lines-preprint (from to)
+ (or (and from to)
+ (error "The mark is not set now"))
+ (list (count-lines from to)))
+
+
(defun ps-count-lines (from to)
(+ (count-lines from to)
(save-excursion
ps-line-spacing-internal
ps-print-height))))))
+
+(defun ps-print-preprint-region (prefix-arg)
+ (or mark-active
+ (error "The mark is not set now"))
+ (list (point) (mark) (ps-print-preprint prefix-arg)))
+
+
(defun ps-print-preprint (prefix-arg)
(and prefix-arg
(or (numberp prefix-arg)
"[\000-\037\177]")
(t "[\t\n\f]"))
ps-default-foreground (ps-rgb-color ps-default-fg 0.0)
- ps-default-color (and ps-print-color-p ps-default-foreground)
+ ps-default-color (and (eq ps-print-color-p t) ps-default-foreground)
ps-current-color ps-default-color
;; Set the color scale. We do it here instead of in the defvar so
;; that ps-print can be dumped into emacs. This expression can't be
If FACE is not a valid face name, it is used default face."
(cond
+ (ps-black-white-faces-alist
+ (or (and (symbolp face)
+ (cdr (assq face ps-black-white-faces-alist)))
+ (vector 0 nil nil)))
((symbolp face)
(cdr (or (assq face ps-print-face-extension-alist)
(assq face ps-print-face-alist)
ps-build-face-reference)
(message "Collecting face information...")
(ps-build-reference-face-lists))
+
+ ;; Black/white printer.
+ (setq ps-black-white-faces-alist nil)
+ (and (eq ps-print-color-p 'black-white)
+ (ps-extend-face-list ps-black-white-faces nil
+ 'ps-black-white-faces-alist))
+
;; Generate some PostScript.
(save-restriction
(narrow-to-region from to)
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