1/*
2 * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
3 * Copyright (C) 2004, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
4 *
5 * This library is free software; you can redistribute it and/or
6 * modify it under the terms of the GNU Library General Public
7 * License as published by the Free Software Foundation; either
8 * version 2 of the License, or (at your option) any later version.
9 *
10 * This library is distributed in the hope that it will be useful,
11 * but WITHOUT ANY WARRANTY; without even the implied warranty of
12 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
13 * Library General Public License for more details.
14 *
15 * You should have received a copy of the GNU Library General Public License
16 * along with this library; see the file COPYING.LIB.  If not, write to
17 * the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
18 * Boston, MA 02110-1301, USA.
19 *
20 */
21
22#include "config.h"
23#include "StyleBackgroundData.h"
24
25#include "RenderStyle.h"
26#include "RenderStyleConstants.h"
27
28namespace WebCore {
29
30StyleBackgroundData::StyleBackgroundData()
31    : m_background(BackgroundFillLayer)
32    , m_color(RenderStyle::initialBackgroundColor())
33{
34}
35
36inline StyleBackgroundData::StyleBackgroundData(const StyleBackgroundData& o)
37    : RefCounted<StyleBackgroundData>()
38    , m_background(o.m_background)
39    , m_color(o.m_color)
40    , m_outline(o.m_outline)
41{
42}
43
44PassRef<StyleBackgroundData> StyleBackgroundData::copy() const
45{
46    return adoptRef(*new StyleBackgroundData(*this));
47}
48
49bool StyleBackgroundData::operator==(const StyleBackgroundData& o) const
50{
51    return m_background == o.m_background && m_color == o.m_color && m_outline == o.m_outline;
52}
53
54bool StyleBackgroundData::isEquivalentForPainting(const StyleBackgroundData& other) const
55{
56    if (m_background != other.m_background || m_color != other.m_color)
57        return false;
58    if (!m_outline.isVisible() && !other.m_outline.isVisible())
59        return true;
60    return m_outline == other.m_outline;
61}
62
63} // namespace WebCore
64