mirror of
https://git.savannah.gnu.org/git/emacs.git
synced 2024-12-30 11:09:23 +00:00
406 lines
11 KiB
EmacsLisp
406 lines
11 KiB
EmacsLisp
;;; ps-def.el --- XEmacs and Emacs definitions for ps-print
|
||
|
||
;; Copyright (C) 2007-2013 Free Software Foundation, Inc.
|
||
|
||
;; Author: Vinicius Jose Latorre <viniciusjl@ig.com.br>
|
||
;; Kenichi Handa <handa@m17n.org> (multi-byte characters)
|
||
;; Maintainer: Kenichi Handa <handa@m17n.org> (multi-byte characters)
|
||
;; Vinicius Jose Latorre <viniciusjl@ig.com.br>
|
||
;; Keywords: wp, print, PostScript
|
||
;; X-URL: http://www.emacswiki.org/cgi-bin/wiki/ViniciusJoseLatorre
|
||
;; Package: ps-print
|
||
|
||
;; This file is part of GNU Emacs.
|
||
|
||
;; GNU Emacs 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 3 of the License, or
|
||
;; (at your option) any later version.
|
||
|
||
;; GNU Emacs 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 Emacs. If not, see <http://www.gnu.org/licenses/>.
|
||
|
||
;;; Commentary:
|
||
|
||
;; See ps-print.el for documentation.
|
||
|
||
;;; Code:
|
||
|
||
(eval-and-compile
|
||
(unless (fboundp 'declare-function) (defmacro declare-function (&rest _r))))
|
||
|
||
(declare-function ps-plot-with-face "ps-print" (from to face))
|
||
(declare-function ps-plot-string "ps-print" (string))
|
||
|
||
(defvar ps-bold-faces) ; in ps-print.el
|
||
(defvar ps-italic-faces)
|
||
|
||
|
||
|
||
;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; XEmacs Definitions
|
||
|
||
|
||
(cond
|
||
((featurep 'xemacs) ; XEmacs
|
||
|
||
;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; ps-bdf
|
||
|
||
(defvar installation-directory nil)
|
||
(defvar coding-system-for-read)
|
||
|
||
;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; ps-mule
|
||
|
||
(or (fboundp 'charset-dimension)
|
||
(defun charset-dimension (_charset) 1)) ; ascii
|
||
|
||
(or (fboundp 'char-width)
|
||
(defun char-width (_char) 1)) ; ascii
|
||
|
||
(or (fboundp 'encode-char)
|
||
(defun encode-char (ch _ccs)
|
||
ch))
|
||
|
||
;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; ps-print
|
||
|
||
;; GNU Emacs
|
||
(or (fboundp 'line-beginning-position)
|
||
(defun line-beginning-position (&optional n)
|
||
(save-excursion
|
||
(and n (/= n 1) (forward-line (1- n)))
|
||
(beginning-of-line)
|
||
(point))))
|
||
|
||
|
||
;; GNU Emacs
|
||
(or (fboundp 'find-composition)
|
||
(defalias 'find-composition 'ignore))
|
||
|
||
|
||
(defun ps-xemacs-color-name (color)
|
||
(if (color-specifier-p color)
|
||
(color-name color)
|
||
color))
|
||
|
||
|
||
(defalias 'ps-mark-active-p 'region-active-p)
|
||
|
||
|
||
(defun ps-face-foreground-name (face)
|
||
(ps-xemacs-color-name (face-foreground face)))
|
||
|
||
|
||
(defun ps-face-background-name (face)
|
||
(ps-xemacs-color-name (face-background face)))
|
||
|
||
|
||
(defalias 'ps-frame-parameter 'frame-property)
|
||
|
||
|
||
;; Return t if the device (which can be changed during an emacs session)
|
||
;; can handle colors.
|
||
(defun ps-color-device ()
|
||
(eq (device-class) 'color))
|
||
|
||
(defun ps-mapper (extent list)
|
||
(nconc list
|
||
(list (list (extent-start-position extent) 'push extent)
|
||
(list (extent-end-position extent) 'pull extent)))
|
||
nil)
|
||
|
||
|
||
(defun ps-extent-sorter (a b)
|
||
(< (extent-priority a) (extent-priority b)))
|
||
|
||
|
||
(defun ps-xemacs-face-kind-p (face kind kind-regex)
|
||
(let* ((frame-font (or (face-font-instance face)
|
||
(face-font-instance 'default)))
|
||
(kind-cons
|
||
(and frame-font
|
||
(assq kind
|
||
(font-instance-properties frame-font))))
|
||
(kind-spec (cdr-safe kind-cons))
|
||
(case-fold-search t))
|
||
(and kind-spec (string-match kind-regex kind-spec))))
|
||
|
||
|
||
;; to avoid XEmacs compilation gripes
|
||
(defvar coding-system-for-write)
|
||
(defvar buffer-file-coding-system)
|
||
|
||
|
||
(and (fboundp 'find-coding-system)
|
||
(or (funcall 'find-coding-system 'raw-text-unix)
|
||
(funcall 'copy-coding-system 'no-conversion-unix 'raw-text-unix)))
|
||
|
||
|
||
(defun ps-color-values (x-color)
|
||
(let ((color (ps-xemacs-color-name x-color)))
|
||
(cond
|
||
((fboundp 'x-color-values)
|
||
(funcall 'x-color-values color))
|
||
((and (fboundp 'color-instance-rgb-components)
|
||
(ps-color-device))
|
||
(funcall 'color-instance-rgb-components
|
||
(if (color-instance-p x-color)
|
||
x-color
|
||
(make-color-instance color))))
|
||
(t
|
||
(error "No available function to determine X color values")))))
|
||
|
||
|
||
(defun ps-face-bold-p (face)
|
||
(or (ps-xemacs-face-kind-p face 'WEIGHT_NAME "bold\\|demibold")
|
||
(memq face ps-bold-faces))) ; Kludge-compatible
|
||
|
||
|
||
(defun ps-face-italic-p (face)
|
||
(or (ps-xemacs-face-kind-p face 'ANGLE_NAME "i\\|o")
|
||
(ps-xemacs-face-kind-p face 'SLANT "i\\|o")
|
||
(memq face ps-italic-faces))) ; Kludge-compatible
|
||
|
||
|
||
(defalias 'ps-face-strikeout-p 'ignore)
|
||
|
||
|
||
(defalias 'ps-face-overline-p 'ignore)
|
||
|
||
|
||
(defalias 'ps-face-box-p 'ignore)
|
||
|
||
|
||
;; XEmacs will have to make do with %s (princ) for floats.
|
||
(defvar ps-color-format "%s %s %s")
|
||
(defvar ps-float-format "%s ")
|
||
|
||
|
||
(defun ps-generate-postscript-with-faces1 (from to)
|
||
;; Generate some PostScript.
|
||
(let ((face 'default)
|
||
(position to)
|
||
;; XEmacs
|
||
;; Build the list of extents...
|
||
(a (cons 'dummy nil))
|
||
record type extent extent-list)
|
||
(map-extents 'ps-mapper nil from to a)
|
||
(setq a (sort (cdr a) 'car-less-than-car)
|
||
extent-list nil)
|
||
|
||
;; Loop through the extents...
|
||
(while a
|
||
(setq record (car a)
|
||
position (car record)
|
||
|
||
record (cdr record)
|
||
type (car record)
|
||
|
||
record (cdr record)
|
||
extent (car record))
|
||
|
||
;; Plot up to this record.
|
||
;; XEmacs 19.12: for some reason, we're getting into a
|
||
;; situation in which some of the records have
|
||
;; positions less than 'from'. Since we've narrowed
|
||
;; the buffer, this'll generate errors. This is a hack,
|
||
;; but don't call ps-plot-with-face unless from > point-min.
|
||
(and (>= from (point-min))
|
||
(ps-plot-with-face from (min position (point-max)) face))
|
||
|
||
(cond
|
||
((eq type 'push)
|
||
(and (extent-face extent)
|
||
(setq extent-list (sort (cons extent extent-list)
|
||
'ps-extent-sorter))))
|
||
|
||
((eq type 'pull)
|
||
(setq extent-list (sort (delq extent extent-list)
|
||
'ps-extent-sorter))))
|
||
|
||
(setq face (if extent-list
|
||
(extent-face (car extent-list))
|
||
'default)
|
||
from position
|
||
a (cdr a)))
|
||
|
||
(ps-plot-with-face from to face)))
|
||
|
||
)
|
||
(t ; Emacs
|
||
;; Do nothing
|
||
)) ; end cond featurep
|
||
|
||
|
||
|
||
;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; Emacs Definitions
|
||
|
||
|
||
(cond
|
||
((featurep 'xemacs) ; XEmacs
|
||
;; Do nothing
|
||
)
|
||
(t ; Emacs
|
||
|
||
|
||
;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
;; ps-print
|
||
|
||
|
||
(defun ps-mark-active-p ()
|
||
mark-active)
|
||
|
||
|
||
(defun ps-face-foreground-name (face)
|
||
(face-foreground face nil t))
|
||
|
||
|
||
(defun ps-face-background-name (face)
|
||
(face-background face nil t))
|
||
|
||
|
||
(defalias 'ps-frame-parameter 'frame-parameter)
|
||
|
||
|
||
;; Return t if the device (which can be changed during an emacs session) can
|
||
;; handle colors. This function is not yet implemented for GNU emacs.
|
||
(defun ps-color-device ()
|
||
(if (fboundp 'color-values)
|
||
(funcall 'color-values "Green")
|
||
t))
|
||
|
||
|
||
(defun ps-color-values (x-color)
|
||
(cond
|
||
((fboundp 'color-values)
|
||
(funcall 'color-values x-color))
|
||
((fboundp 'x-color-values)
|
||
(funcall 'x-color-values x-color))
|
||
(t
|
||
(error "No available function to determine X color values"))))
|
||
|
||
|
||
(defun ps-face-bold-p (face)
|
||
(or (face-bold-p face)
|
||
(memq face ps-bold-faces)))
|
||
|
||
|
||
(defun ps-face-italic-p (face)
|
||
(or (face-italic-p face)
|
||
(memq face ps-italic-faces)))
|
||
|
||
|
||
(defun ps-face-strikeout-p (face)
|
||
(eq (face-attribute face :strike-through) t))
|
||
|
||
|
||
(defun ps-face-overline-p (face)
|
||
(eq (face-attribute face :overline) t))
|
||
|
||
|
||
(defun ps-face-box-p (face)
|
||
(not (memq (face-attribute face :box) '(nil unspecified))))
|
||
|
||
|
||
;; Emacs understands the %f format; we'll use it to limit color RGB values
|
||
;; to three decimals to cut down some on the size of the PostScript output.
|
||
(defvar ps-color-format "%0.3f %0.3f %0.3f")
|
||
(defvar ps-float-format "%0.3f ")
|
||
|
||
|
||
(defun ps-generate-postscript-with-faces1 (from to)
|
||
;; Generate some PostScript.
|
||
(let ((face 'default)
|
||
(position to)
|
||
;; Emacs
|
||
(property-change from)
|
||
(overlay-change from)
|
||
(save-buffer-invisibility-spec buffer-invisibility-spec)
|
||
(buffer-invisibility-spec nil)
|
||
before-string after-string)
|
||
(while (< from to)
|
||
(and (< property-change to) ; Don't search for property change
|
||
; unless previous search succeeded.
|
||
(setq property-change (next-property-change from nil to)))
|
||
(and (< overlay-change to) ; Don't search for overlay change
|
||
; unless previous search succeeded.
|
||
(setq overlay-change (min (next-overlay-change from)
|
||
to)))
|
||
(setq position (min property-change overlay-change)
|
||
before-string nil
|
||
after-string nil)
|
||
;; The code below is not quite correct,
|
||
;; because a non-nil overlay invisible property
|
||
;; which is inactive according to the current value
|
||
;; of buffer-invisibility-spec nonetheless overrides
|
||
;; a face text property.
|
||
(setq face
|
||
(cond ((let ((prop (get-text-property from 'invisible)))
|
||
;; Decide whether this invisible property
|
||
;; really makes the text invisible.
|
||
(if (eq save-buffer-invisibility-spec t)
|
||
(not (null prop))
|
||
(or (memq prop save-buffer-invisibility-spec)
|
||
(assq prop save-buffer-invisibility-spec))))
|
||
'emacs--invisible--face)
|
||
((get-text-property from 'face))
|
||
(t 'default)))
|
||
(let ((overlays (overlays-at from))
|
||
(face-priority -1)) ; text-property
|
||
(while (and overlays
|
||
(not (eq face 'emacs--invisible--face)))
|
||
(let* ((overlay (car overlays))
|
||
(overlay-invisible
|
||
(overlay-get overlay 'invisible))
|
||
(overlay-priority
|
||
(or (overlay-get overlay 'priority) 0)))
|
||
(and (> overlay-priority face-priority)
|
||
(setq before-string
|
||
(or (overlay-get overlay 'before-string)
|
||
before-string)
|
||
after-string
|
||
(or (and (<= (overlay-end overlay) position)
|
||
(overlay-get overlay 'after-string))
|
||
after-string)
|
||
face-priority overlay-priority
|
||
face
|
||
(cond
|
||
((if (eq save-buffer-invisibility-spec t)
|
||
(not (null overlay-invisible))
|
||
(or (memq overlay-invisible
|
||
save-buffer-invisibility-spec)
|
||
(assq overlay-invisible
|
||
save-buffer-invisibility-spec)))
|
||
'emacs--invisible--face)
|
||
((overlay-get overlay 'face))
|
||
(t face)
|
||
))))
|
||
(setq overlays (cdr overlays))))
|
||
;; Plot up to this record.
|
||
(and before-string
|
||
(ps-plot-string before-string))
|
||
(ps-plot-with-face from position face)
|
||
(and after-string
|
||
(ps-plot-string after-string))
|
||
(setq from position))
|
||
(ps-plot-with-face from to face)))
|
||
|
||
)) ; end cond featurep
|
||
|
||
|
||
;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
|
||
|
||
(provide 'ps-def)
|
||
|
||
;;; ps-def.el ends here
|