diff lisp/w3/w3-print.el @ 0:376386a54a3c r19-14

Import from CVS: tag r19-14
author cvs
date Mon, 13 Aug 2007 08:45:50 +0200
parents
children ac2d302a0011
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--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lisp/w3/w3-print.el	Mon Aug 13 08:45:50 2007 +0200
@@ -0,0 +1,144 @@
+;;; w3-print.el,v --- Printing support for emacs-w3
+;; Author: wmperry
+;; Created: 1996/06/06 15:03:15
+;; Version: 1.15
+;; Keywords: faces, help, printing, hypermedia
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+;;; Copyright (c) 1993, 1994 by William M. Perry (wmperry@spry.com)
+;;;
+;;; 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, 675 Mass Ave, Cambridge, MA 02139, USA.
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;
+(defvar w3-use-ps-print nil
+  "*If non-nil, then printing will be done via the ps-print package by
+James C. Thompson <thompson@wg2.waii.com>.")
+
+(defun w3-face-type (face)
+  "Return a list specifying what a face looks like.  ie: '(bold italic)"
+  (let ((font (or (face-font face) (face-font 'default)))
+	(retval nil))
+    (if (not (stringp font))
+	(setq font
+	      (cond
+	       ((and (fboundp 'fontp) (not (fontp font))) nil)
+	       ((fboundp 'font-truename) (font-truename font))
+	       ((fboundp 'font-name) (font-name font))
+	       (t nil))))
+    (cond
+     ((not font) nil)
+     ((string-match "^-\\([^-]+\\)-\\([^-]+\\)-\\([^-]+\\)-\\([^-]+\\)-" font)
+      (let ((wght (substring font (match-beginning 3) (match-end 3)))
+	    (slnt (substring font (match-beginning 4) (match-end 4))))
+	(if (string-match "bold" wght)
+	    (setq retval (cons 'bold retval)))
+	(if (or (string-match "i" slnt) (string-match "o" slnt))
+	    (setq retval (cons 'italic retval)))
+	(if (and (fboundp 'face-underline-p)
+		 (face-underline-p face))
+	    (setq retval (cons 'underline retval)))))
+     ((and (symbolp face) (string-match "bold" (symbol-name face)))
+      (setq retval '(bold)))
+     ((and (symbolp face) (string-match "italic" (symbol-name face)))
+      (setq retval '(italic)))
+     (t nil))
+    retval))
+
+(defun w3-print-with-ps-print (&optional buffer function)
+  "Print a buffer using `ps-print-buffer-with-faces'.
+This function wraps `ps-print-buffer-with-faces' so that the w3 faces
+will be correctly listed in ps-bold-faces and ps-italic-faces"
+  (interactive)
+  (require 'ps-print)
+  (setq buffer (or buffer (current-buffer))
+	function (or function 'ps-print-buffer-with-faces))
+  (let ((ps-bold-faces ps-bold-faces)
+	(ps-italic-faces ps-italic-faces)
+	(ps-underline-faces (cond
+			     ((boundp 'ps-underline-faces)
+			      (symbol-value 'ps-underline-faces))
+			     ((boundp 'ps-underlined-faces)
+			      (symbol-value 'ps-underlined-faces))
+			     (t nil)))
+	(ps-underlined-faces nil)
+	(ps-left-header '(ps-get-buffer-name url-view-url))
+	(faces (face-list))
+	(data nil)
+	(face nil))
+    (if (string< ps-print-version "1.6")
+	(while faces
+	  (setq face (car faces)
+		data (w3-face-type face)
+		faces (cdr faces))
+	  (if (and (memq 'bold data) (not (memq face ps-bold-faces)))
+	      (setq ps-bold-faces (cons face ps-bold-faces)))
+	  (if (and (memq 'italic data) (not (memq face ps-italic-faces)))
+	      (setq ps-italic-faces (cons face ps-italic-faces)))
+	  (if (and (memq 'underline data) (not (memq face ps-underline-faces)))
+	      (setq ps-underline-faces (cons face ps-underline-faces))))
+      (setq ps-underlined-faces ps-underline-faces))
+    (save-excursion
+      (set-buffer buffer)
+      (funcall function))))
+
+(defun w3-print-this-url (&optional url format)
+  "Print out the current document (in LaTeX format)"
+  (interactive)
+  (if (not url) (setq url (url-view-url t)))
+  (let* ((completion-ignore-case t)
+	 (format (or format
+		     (completing-read
+		      "Format: "
+		      '(("HTML Source")		; The raw HTML code
+			("Formatted Text") 	; Plain ASCII rendition
+			("PostScript")		; Pretty PostScript
+			("LaTeX'd")		; LaTeX it, then print
+			)
+		      nil t))))
+    (save-excursion
+      (cond
+       ((equal "HTML Source" format)
+	(if w3-current-source
+	    (let ((x w3-current-source))
+	      (set-buffer (get-buffer-create url-working-buffer))
+	      (erase-buffer)
+	      (insert x))
+	  (url-retrieve url))
+	(lpr-buffer))
+       ((or (equal "Formatted Text" format)
+	    (equal "" format))
+	(lpr-buffer))
+       ((equal "PostScript" format)
+	(w3-print-with-ps-print (current-buffer)))
+       ((equal "LaTeX'd" format)
+ 	(w3-parse-tree-to-latex w3-current-parse url)
+	(save-window-excursion
+	  (write-region (point-min) (point-max)
+			(expand-file-name "w3-tmp.latex"
+					  w3-temporary-directory) nil 5)
+	  (shell-command
+	   (format
+	    "cd %s ; latex w3-tmp.latex ; %s w3-tmp.dvi ; rm -f w3-tmp*"
+	    w3-temporary-directory
+	    w3-print-command))
+	  (kill-buffer "*Shell Command Output*")))))))
+
+(defun w3-print-url-under-point ()
+  "Print out the url under point (in LaTeX format)"
+  (interactive)
+  (w3-print-this-url (w3-view-this-url t)))
+
+(provide 'w3-print)