Split XEmacs/Emacs definitions and sample setup code into separate files

1 files changed, 461 insertions, 0 deletions

diff --git a/lisp/ps-def.el b/lisp/ps-def.el
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+;;; ps-def.el --- XEmacs and Emacs definitions for ps-print
+
+;; Copyright (C) 2007 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
+;; Version: 7.2
+;; X-URL: http://www.emacswiki.org/cgi-bin/wiki/ViniciusJoseLatorre
+
+;; 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 2, 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; see the file COPYING.  If not, write to the Free Software
+;; Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
+
+;;; Commentary:
+
+;; See ps-print.el for documentation.
+
+;;; Code:
+
+
+
+;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;; XEmacs Definitions
+
+
+(cond
+ ((featurep 'xemacs)			; xemacs
+
+
+  ;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+  ;; ps-bdf
+
+  (defvar installation-directory nil)
+  (defvar coding-system-for-read nil)
+
+
+  ;; ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+  ;; ps-mule
+
+  (defvar leading-code-private-22 157)
+
+  (or (fboundp 'charset-bytes)
+      (defun charset-bytes (charset) 1)) ; ascii
+
+  (or (fboundp 'charset-dimension)
+      (defun charset-dimension (charset) 1)) ; ascii
+
+  (or (fboundp 'charset-id)
+      (defun charset-id (charset) 0))	; ascii
+
+  (or (fboundp 'charset-width)
+      (defun charset-width (charset) 1)) ; ascii
+
+  (or (fboundp 'find-charset-region)
+      (defun find-charset-region (beg end &optional table)
+	(list 'ascii)))
+
+  (or (fboundp 'char-width)
+      (defun char-width (char) 1))	; ascii
+
+  (or (fboundp 'chars-in-region)
+      (defun chars-in-region (beg end)
+	(- (max beg end) (min beg end))))
+
+  (or (fboundp 'forward-point)
+      (defun forward-point (arg)
+	(save-excursion
+	  (let ((count (abs arg))
+		(step  (if (zerop arg)
+			   0
+			 (/ arg arg))))
+	    (while (and (> count 0)
+			(< (point-min) (point)) (< (point) (point-max)))
+	      (forward-char step)
+	      (setq count (1- count)))
+	    (+ (point) (* count step))))))
+
+  (or (fboundp 'decompose-composite-char)
+      (defun decompose-composite-char (char &optional type
+					    with-composition-rule)
+	nil))
+
+  (or (fboundp 'encode-coding-string)
+      (defun encode-coding-string (string coding-system &optional nocopy)
+	(if nocopy
+	    string
+	  (copy-sequence string))))
+
+  (or (fboundp 'coding-system-p)
+      (defun coding-system-p (obj) nil))
+
+  (or (fboundp 'ccl-execute-on-string)
+      (defun ccl-execute-on-string (ccl-prog status str
+					     &optional contin unibyte-p)
+	str))
+
+  (or (fboundp 'define-ccl-program)
+      (defmacro define-ccl-program (name ccl-program &optional doc)
+	`(defconst ,name nil ,doc)))
+
+  (or (fboundp 'multibyte-string-p)
+      (defun multibyte-string-p (str)
+	(let ((len (length str))
+	      (i 0)
+	      multibyte)
+	  (while (and (< i len) (not (setq multibyte (> (aref str i) 255))))
+	    (setq i (1+ i)))
+	  multibyte)))
+
+  (or (fboundp 'string-make-multibyte)
+      (defalias 'string-make-multibyte 'copy-sequence))
+
+  (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)))
+
+
+  (defun ps-frame-parameter (param)
+    (frame-property nil param))
+
+
+  ;; Return t if the device (which can be changed during an emacs session)
+  ;; can handle colors.
+  ;; XEmacs change: Need to check for emacs-major-version too.
+  (if (or (> emacs-major-version 19)
+	  (and (= emacs-major-version 19)
+	       (>= emacs-minor-version 12)))
+      ;; xemacs >= 19.12
+      (defun ps-color-device ()
+	(eq (device-class) 'color))
+    ;; xemacs < 19.12
+    (setq ps-print-color-p nil)
+    (defalias 'ps-color-device 'ignore))
+
+
+  (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   nil)
+  (defvar coding-system-for-read    nil)
+  (defvar buffer-file-coding-system nil)
+
+
+  (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
+
+
+  ;; 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
+
+  (defvar mark-active nil)
+
+
+  (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))
+
+
+  (defun ps-frame-parameter (param)
+    (frame-parameter nil param))
+
+
+  ;; 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)))
+
+
+  ;; 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)
+
+;;; arch-tag: fb06a585-1112-4206-885d-a57d95d50579
+;;; ps-def.el ends here