1 /* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
2 /* This file is part of the GtkHTML library.
3 *
4 * Copyright (C) 2000 Helix Code, Inc.
5 *
6 * This library is free software; you can redistribute it and/or
7 * modify it under the terms of the GNU Library General Public
8 * License as published by the Free Software Foundation; either
9 * version 2 of the License, or (at your option) any later version.
10 *
11 * This library is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
14 * Library General Public License for more details.
15 *
16 * You should have received a copy of the GNU Library General Public License
17 * along with this library; see the file COPYING.LIB. If not, write to
18 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
19 * Boston, MA 02110-1301, USA.
20 */
21
22 #include <config.h>
23 #include "gtkhtmlfontstyle.h"
24
25
26 GtkHTMLFontStyle
gtk_html_font_style_merge(GtkHTMLFontStyle a,GtkHTMLFontStyle b)27 gtk_html_font_style_merge (GtkHTMLFontStyle a,
28 GtkHTMLFontStyle b)
29 {
30 GtkHTMLFontStyle retval;
31
32 if (a == GTK_HTML_FONT_STYLE_DEFAULT && b != GTK_HTML_FONT_STYLE_DEFAULT)
33 a = GTK_HTML_FONT_STYLE_SIZE_3;
34
35 if ((b & GTK_HTML_FONT_STYLE_SIZE_MASK) != 0)
36 retval = ((b & GTK_HTML_FONT_STYLE_SIZE_MASK)
37 | (a & ~GTK_HTML_FONT_STYLE_SIZE_MASK));
38 else
39 retval = a;
40
41 retval |= b & ~GTK_HTML_FONT_STYLE_SIZE_MASK;
42
43 return retval;
44 }
45