--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/lisp/prim/objects.el	Mon Aug 13 08:45:50 2007 +0200
@@ -0,0 +1,142 @@
+;;; objects.el --- Lisp interface to C window-system objects
+;; Keywords: faces internal
+
+;; Copyright (C) 1994 Board of Trustees, University of Illinois
+;; Copyright (C) 1995 Ben Wing
+
+;; Author: Chuck Thompson <cthomp@cs.uiuc.edu>,
+;;         Ben Wing <wing@666.com>
+
+;; 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.
+
+;;; Synched up with: Not in FSF.
+
+(defun ws-object-property-1 (function object domain &optional matchspec)
+  (let ((instance (if matchspec
+		      (specifier-matching-instance object matchspec domain)
+		    (specifier-instance object domain))))
+    (and instance (funcall function instance))))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; font specifiers
+
+(defun make-font-specifier (spec-list)
+  "Create a new `font' specifier object with the given specification list.
+SPEC-LIST can be a list of specifications (each of which is a cons of a
+locale and a list of instantiators), a single instantiator, or a list
+of instantiators.  See `make-specifier' for more information about
+specifiers."
+  (make-specifier-and-init 'font spec-list))
+
+(defun font-name (font &optional domain charset)
+  "Return the name of the FONT in the specified DOMAIN, if any.
+FONT should be a font specifier object and DOMAIN is normally a window
+and defaults to the selected window if omitted.  This is equivalent
+to using `specifier-instance' and applying `font-instance-name' to
+the result.  See `make-specifier' for more information about specifiers."
+  (ws-object-property-1 'font-instance-name font domain charset))
+
+(defun font-ascent (font &optional domain charset)
+  "Return the ascent of the FONT in the specified DOMAIN, if any.
+FONT should be a font specifier object and DOMAIN is normally a window
+and defaults to the selected window if omitted.  This is equivalent
+to using `specifier-instance' and applying `font-instance-ascent' to
+the result.  See `make-specifier' for more information about specifiers."
+  (ws-object-property-1 'font-instance-ascent font domain charset))
+
+(defun font-descent (font &optional domain charset)
+  "Return the descent of the FONT in the specified DOMAIN, if any.
+FONT should be a font specifier object and DOMAIN is normally a window
+and defaults to the selected window if omitted.  This is equivalent
+to using `specifier-instance' and applying `font-instance-descent' to
+the result.  See `make-specifier' for more information about specifiers."
+  (ws-object-property-1 'font-instance-descent font domain charset))
+
+(defun font-width (font &optional domain charset)
+  "Return the width of the FONT in the specified DOMAIN, if any.
+FONT should be a font specifier object and DOMAIN is normally a window
+and defaults to the selected window if omitted.  This is equivalent
+to using `specifier-instance' and applying `font-instance-width' to
+the result.  See `make-specifier' for more information about specifiers."
+  (ws-object-property-1 'font-instance-width font domain charset))
+
+(defun font-height (font &optional domain charset)
+  "Return the height of the FONT in the specified DOMAIN, if any.
+FONT should be a font specifier object and DOMAIN is normally a window
+and defaults to the selected window if omitted.  This is equivalent
+to using `specifier-instance' and applying `font-instance-height' to
+the result.  See `make-specifier' for more information about specifiers."
+  (ws-object-property-1 'font-instance-height font domain charset))
+
+(defun font-proportional-p (font &optional domain charset)
+  "Return whether FONT is proportional in the specified DOMAIN, if known.
+FONT should be a font specifier object and DOMAIN is normally a window
+and defaults to the selected window if omitted.  This is equivalent
+to using `specifier-instance' and applying `font-instance-proportional-p' to
+the result.  See `make-specifier' for more information about specifiers."
+  (ws-object-property-1 'font-instance-proportional-p font domain charset))
+
+(defun font-properties (font &optional domain charset)
+  "Return the properties of the FONT in the specified DOMAIN, if any.
+FONT should be a font specifier object and DOMAIN is normally a window
+and defaults to the selected window if omitted.  This is equivalent
+to using `specifier-instance' and applying `font-instance-properties'
+to the result.  See `make-specifier' for more information about specifiers."
+  (ws-object-property-1 'font-instance-properties font domain charset))
+
+(defun font-truename (font &optional domain charset)
+  "Return the truename of the FONT in the specified DOMAIN, if any.
+FONT should be a font specifier object and DOMAIN is normally a window
+and defaults to the selected window if omitted.  This is equivalent
+to using `specifier-instance' and applying `font-instance-truename'
+to the result.  See `make-specifier' for more information about specifiers."
+  (ws-object-property-1 'font-instance-truename font domain charset))
+
+(defun font-instance-height (font-instance)
+  "Return the height in pixels of FONT-INSTANCE.
+The returned value is the maximum height for all characters in the font,\n\
+and is equivalent to the sum of the font instance's ascent and descent."
+  (+ (font-instance-ascent font-instance)
+     (font-instance-descent font-instance)))
+
+;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; color specifiers
+
+(defun make-color-specifier (spec-list)
+  "Create a new `color' specifier object with the given specification list.
+SPEC-LIST can be a list of specifications (each of which is a cons of a
+locale and a list of instantiators), a single instantiator, or a list
+of instantiators.  See `make-specifier' for a detailed description of
+how specifiers work."
+  (make-specifier-and-init 'color spec-list))
+
+(defun color-name (color &optional domain)
+  "Return the name of the COLOR in the specified DOMAIN, if any.
+COLOR should be a color specifier object and DOMAIN is normally a window
+and defaults to the selected window if omitted.  This is equivalent
+to using `specifier-instance' and applying `color-instance-name' to
+the result.  See `make-specifier' for more information about specifiers."
+  (ws-object-property-1 'color-instance-name color domain))
+
+(defun color-rgb-components (color &optional domain)
+  "Return the RGB components of the COLOR in the specified DOMAIN, if any.
+COLOR should be a color specifier object and DOMAIN is normally a window
+and defaults to the selected window if omitted.  This is equivalent
+to using `specifier-instance' and applying `color-instance-rgb-components'
+to the result.  See `make-specifier' for more information about specifiers."
+  (ws-object-property-1 'color-instance-rgb-components color domain))
+
+;;; objects.el ends here.
+