--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lisp/energize/energize-font-size.el	Mon Aug 13 08:45:50 2007 +0200
@@ -0,0 +1,146 @@
+;; interactive adjust font size and face
+;; Copyright (C) 1992-1993 Free Software Foundation, Inc.
+
+;; This file is part of XEmacs.
+
+;; XEmacs 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.
+
+;; XEmacs 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 XEmacs; see the file COPYING.  If not, write to the Free
+;; Software Foundation, 675 Mass Ave, Cambridge, MA 02139, USA.
+
+(defconst energize-x-modify-font-regexp
+  "-\\([^-]+-[^-]+\\)-\\([^-]+\\)-\\([^-]+\\)-\\([^-]+\\)-\\([^-]+\\)-\\([^-]+\\)-\\([^-]+\\)-\\([^-]+\\)-\\([^-]+\\)-\\([^-]+\\)-\\([^-]+\\)-\\([^-]+\\)-\\([^-]+\\)"
+  "Regexpr to extract or modify font entries")
+
+(defconst energize-font-families-parameters
+  '(("courier" . ("adobe-courier" "o"))
+    ("lucida" . ("b&h-lucida" "i"))
+    ("openwindows" . energize-make-openwindow-font)
+    ("helvetica" . ("adobe-helvetica" "o"))
+    ("times" . ("adobe-times" "i"))
+    ("clean" . ("shumacher-clean" "i"))))
+
+(defun energize-x-set-font-name-entry (font-name entry value)
+  (if (and font-name (string-match energize-x-modify-font-regexp font-name))
+      (let ((match (substring font-name (match-beginning entry)  (match-end entry))))
+	(concat (substring font-name 0 (match-beginning entry))
+		value
+		(substring font-name (match-end entry))))
+    font-name))
+
+(defun energize-x-set-font-entry (font entry value)
+  (if font
+      (let* ((font-name (if (stringp font) font (font-name font)))
+	     (new-name (energize-x-set-font-name-entry font-name entry value)))
+	(if (stringp font)
+	    new-name
+	  (make-x-font new-name)))))
+
+(defun energize-x-set-face-font-entry (face entry value)
+  "Sets the face font to be of the specified point size"
+  (let* ((font (face-font face))
+	 (new-font (energize-x-set-font-entry font entry value)))
+    (and new-font
+	 (condition-case a
+	     (set-face-font face new-font)
+	   (error (message (format "%S" a)) (sit-for 0))))))
+
+(defun energize-set-font-size (size)
+  (interactive "sSet new font size to: ")
+  (mapcar '(lambda (face) (energize-x-set-face-font-entry face 7 size))
+	  (list-faces)))
+
+(defun energize-make-openwindow-font (font-name)
+  (string-match energize-x-modify-font-regexp f-name)
+  (let ((slant (substring f-name (match-beginning 3) (match-end 3))))
+    (if (member slant '("i" "o"))
+	(concat
+	 (substring f-name 0 (match-beginning 1))
+	 "b&h-lucida"
+	 (substring f-name (match-end 1) (match-beginning 3))
+	 "i"
+	 (substring f-name (match-end 3)))
+      (let ((new-name
+	     (concat
+	      (substring f-name 0 (match-beginning 1))
+	      "b&h-lucidatypewriter"
+	      (substring f-name (match-end 1) (match-beginning 3))
+	      slant
+	      (substring f-name (match-end 3)))))
+	;; tries the R5 name first and the openwindows name second
+	(if (x-list-fonts new-name)
+	    new-name
+	     (concat
+	      (substring f-name 0 (match-beginning 1))
+	      "b&h-lucida sans typewriter"
+	      (substring f-name (match-end 1) (match-beginning 3))
+	      slant
+	      (substring f-name (match-end 3))))))))
+    
+(defun energize-set-font-family (family)
+  (interactive "sSet new font family to: ")
+  (let ((font-desc (cdr (assoc family energize-font-families-parameters)))
+	(faces (list-faces)))
+    (if (null font-desc)
+	(error (format "Unknown font family %s, use one of %s" family
+		       (mapcar 'car energize-font-families-parameters))))
+    (while faces
+      (let* ((face (car faces))
+	     (font (face-font face))
+	     (f-name (and font (font-name font))))
+	(if f-name
+	    (progn
+	      (if (symbolp font-desc)
+		  (setq f-name (funcall font-desc f-name))
+		(string-match energize-x-modify-font-regexp f-name)
+		(let ((slant (substring f-name
+					(match-beginning 3) (match-end 3))))
+		  (if (member slant '("i" "o"))
+		      (setq slant (nth 1 font-desc)))
+		  (setq f-name
+			(concat
+			 (substring f-name 0 (match-beginning 1))
+			 (car font-desc)
+			 (substring f-name (match-end 1) (match-beginning 3))
+			 slant
+			 (substring f-name (match-end 3))))))))
+	(set-face-font face f-name))
+      (setq faces (cdr faces)))))
+
+(defun energize-set-font-boldness (bold)
+  (interactive "sEnter boldness:")
+  (let* ((default-name (font-name (face-font 'default)))
+	 (default-boldness
+	   (and (string-match energize-x-modify-font-regexp default-name)
+		(substring default-name (match-beginning 2) (match-end 2)))))
+    (if (not (equal bold default-boldness))
+	(let ((faces (list-faces)))
+	  (while faces
+	    (let* ((face (car faces))
+		   (font (face-font face))
+		   (f-name (and font (font-name font))))
+	      (if f-name
+		  (progn
+	      (string-match energize-x-modify-font-regexp f-name)
+	      (let ((font-boldness
+		     (substring f-name (match-beginning 2) (match-end 2))))
+		(setq new-boldness
+		      (if (equal font-boldness "bold")
+			  "medium"
+			"bold"))
+		(setq f-name
+		      (concat
+		       (substring f-name 0 (match-beginning 2))
+		       new-boldness
+		       (substring f-name (match-end 2)))))
+	      (set-face-font face f-name))))
+	    (setq faces (cdr faces)))))))