/* -*- Mode: C; tab-width: 8; indent-tabs-mode: t; c-basic-offset: 8 -*- */
/* This file is part of the GtkHTML library.
 *
 * Copyright (C) 2000 Helix Code, Inc.
 *
 * This library is free software; you can redistribute it and/or
 * modify it under the terms of the GNU Library General Public
 * License as published by the Free Software Foundation; either
 * version 2 of the License, or (at your option) any later version.
 *
 * This library 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
 * Library General Public License for more details.
 *
 * You should have received a copy of the GNU Library General Public License
 * along with this library; see the file COPYING.LIB.  If not, write to
 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
 * Boston, MA 02110-1301, USA.
*/

#include <config.h>
#include "gtkhtmlfontstyle.h"


GtkHTMLFontStyle
gtk_html_font_style_merge (GtkHTMLFontStyle a,
                           GtkHTMLFontStyle b)
{
	GtkHTMLFontStyle retval;

	if (a == GTK_HTML_FONT_STYLE_DEFAULT && b != GTK_HTML_FONT_STYLE_DEFAULT)
		a = GTK_HTML_FONT_STYLE_SIZE_3;

	if ((b & GTK_HTML_FONT_STYLE_SIZE_MASK) != 0)
		retval = ((b & GTK_HTML_FONT_STYLE_SIZE_MASK)
			  | (a & ~GTK_HTML_FONT_STYLE_SIZE_MASK));
	else
		retval = a;

	retval |= b & ~GTK_HTML_FONT_STYLE_SIZE_MASK;

	return retval;
}
