Mercurial > hg > xemacs-beta

comparison lisp/objects.el @ 428:3ecd8885ac67 r21-2-22

Find changesets by keywords (author, files, the commit message), revision number or hash, or revset expression.
Import from CVS: tag r21-2-22
author cvs
date Mon, 13 Aug 2007 11:28:15 +0200
parents
children abe6d1db359e
comparison
equal deleted inserted replaced
427:0a0253eac470 428:3ecd8885ac67
1 ;;; objects.el --- Lisp interface to C window-system objects
2
3 ;; Copyright (C) 1994, 1997 Free Software Foundation, Inc.
4 ;; Copyright (C) 1995 Ben Wing
5
6 ;; Author: Chuck Thompson <cthomp@xemacs.org>
7 ;; Author: Ben Wing <ben@xemacs.org>
8 ;; Maintainer: XEmacs Development Team
9 ;; Keywords: faces, internal, dumped
10
11 ;; This file is part of XEmacs.
12
13 ;; XEmacs is free software; you can redistribute it and/or modify it
14 ;; under the terms of the GNU General Public License as published by
15 ;; the Free Software Foundation; either version 2, or (at your option)
16 ;; any later version.
17
18 ;; XEmacs is distributed in the hope that it will be useful, but
19 ;; WITHOUT ANY WARRANTY; without even the implied warranty of
20 ;; MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
21 ;; General Public License for more details.
22
23 ;; You should have received a copy of the GNU General Public License
24 ;; along with XEmacs; see the file COPYING. If not, write to the
25 ;; Free Software Foundation, 59 Temple Place - Suite 330,
26 ;; Boston, MA 02111-1307, USA.
27
28 ;;; Synched up with: Not in FSF.
29
30 ;;; Commentary:
31
32 ;; This file is dumped with XEmacs.
33
34 ;;; Code:
35
36 (defun ws-object-property-1 (function object domain &optional matchspec)
37 (let ((instance (if matchspec
38 (specifier-matching-instance object matchspec domain)
39 (specifier-instance object domain))))
40 (and instance (funcall function instance))))
41
42 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; font specifiers
43
44 (defun make-font-specifier (spec-list)
45 "Return a new `font' specifier object with the given specification list.
46 SPEC-LIST can be a list of specifications (each of which is a cons of a
47 locale and a list of instantiators), a single instantiator, or a list
48 of instantiators. See `make-specifier' for more information about
49 specifiers."
50 (make-specifier-and-init 'font spec-list))
51
52 (defun font-name (font &optional domain charset)
53 "Return the name of the FONT in the specified DOMAIN, if any.
54 FONT should be a font specifier object and DOMAIN is normally a window
55 and defaults to the selected window if omitted. This is equivalent
56 to using `specifier-instance' and applying `font-instance-name' to
57 the result. See `make-specifier' for more information about specifiers."
58 (ws-object-property-1 'font-instance-name font domain charset))
59
60 (defun font-ascent (font &optional domain charset)
61 "Return the ascent of the FONT in the specified DOMAIN, if any.
62 FONT should be a font specifier object and DOMAIN is normally a window
63 and defaults to the selected window if omitted. This is equivalent
64 to using `specifier-instance' and applying `font-instance-ascent' to
65 the result. See `make-specifier' for more information about specifiers."
66 (ws-object-property-1 'font-instance-ascent font domain charset))
67
68 (defun font-descent (font &optional domain charset)
69 "Return the descent of the FONT in the specified DOMAIN, if any.
70 FONT should be a font specifier object and DOMAIN is normally a window
71 and defaults to the selected window if omitted. This is equivalent
72 to using `specifier-instance' and applying `font-instance-descent' to
73 the result. See `make-specifier' for more information about specifiers."
74 (ws-object-property-1 'font-instance-descent font domain charset))
75
76 (defun font-width (font &optional domain charset)
77 "Return the width of the FONT in the specified DOMAIN, if any.
78 FONT should be a font specifier object and DOMAIN is normally a window
79 and defaults to the selected window if omitted. This is equivalent
80 to using `specifier-instance' and applying `font-instance-width' to
81 the result. See `make-specifier' for more information about specifiers."
82 (ws-object-property-1 'font-instance-width font domain charset))
83
84 (defun font-height (font &optional domain charset)
85 "Return the height of the FONT in the specified DOMAIN, if any.
86 FONT should be a font specifier object and DOMAIN is normally a window
87 and defaults to the selected window if omitted. This is equivalent
88 to using `specifier-instance' and applying `font-instance-height' to
89 the result. See `make-specifier' for more information about specifiers."
90 (ws-object-property-1 'font-instance-height font domain charset))
91
92 (defun font-proportional-p (font &optional domain charset)
93 "Return whether FONT is proportional in the specified DOMAIN, if known.
94 FONT should be a font specifier object and DOMAIN is normally a window
95 and defaults to the selected window if omitted. This is equivalent
96 to using `specifier-instance' and applying `font-instance-proportional-p' to
97 the result. See `make-specifier' for more information about specifiers."
98 (ws-object-property-1 'font-instance-proportional-p font domain charset))
99
100 (defun font-properties (font &optional domain charset)
101 "Return the properties of the FONT in the specified DOMAIN, if any.
102 FONT should be a font specifier object and DOMAIN is normally a window
103 and defaults to the selected window if omitted. This is equivalent
104 to using `specifier-instance' and applying `font-instance-properties'
105 to the result. See `make-specifier' for more information about specifiers."
106 (ws-object-property-1 'font-instance-properties font domain charset))
107
108 (defun font-truename (font &optional domain charset)
109 "Return the truename of the FONT in the specified DOMAIN, if any.
110 FONT should be a font specifier object and DOMAIN is normally a window
111 and defaults to the selected window if omitted. This is equivalent
112 to using `specifier-instance' and applying `font-instance-truename'
113 to the result. See `make-specifier' for more information about specifiers."
114 (ws-object-property-1 'font-instance-truename font domain charset))
115
116 (defun font-instance-height (font-instance)
117 "Return the height in pixels of FONT-INSTANCE.
118 The returned value is the maximum height for all characters in the font,\n\
119 and is equivalent to the sum of the font instance's ascent and descent."
120 (+ (font-instance-ascent font-instance)
121 (font-instance-descent font-instance)))
122
123 ;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;;; color specifiers
124
125 (defun make-color-specifier (spec-list)
126 "Return a new `color' specifier object with the given specification list.
127 SPEC-LIST can be a list of specifications (each of which is a cons of a
128 locale and a list of instantiators), a single instantiator, or a list
129 of instantiators. See `make-specifier' for a detailed description of
130 how specifiers work."
131 (make-specifier-and-init 'color spec-list))
132
133 (defun color-name (color &optional domain)
134 "Return the name of the COLOR in the specified DOMAIN, if any.
135 COLOR should be a color specifier object and DOMAIN is normally a window
136 and defaults to the selected window if omitted. This is equivalent
137 to using `specifier-instance' and applying `color-instance-name' to
138 the result. See `make-specifier' for more information about specifiers."
139 (ws-object-property-1 'color-instance-name color domain))
140
141 (defun color-rgb-components (color &optional domain)
142 "Return the RGB components of the COLOR in the specified DOMAIN, if any.
143 COLOR should be a color specifier object and DOMAIN is normally a window
144 and defaults to the selected window if omitted. This is equivalent
145 to using `specifier-instance' and applying `color-instance-rgb-components'
146 to the result. See `make-specifier' for more information about specifiers."
147 (ws-object-property-1 'color-instance-rgb-components color domain))
148
149 ;;; objects.el ends here.