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/*
* Copyright (C) 1999 Antti Koivisto (koivisto@kde.org)
* Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 Apple Inc. All rights
* reserved.
*
* 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 "core/style/ShadowData.h"
#include "platform/animation/AnimationUtilities.h"
namespace blink {
bool ShadowData::operator==(const ShadowData& o) const {
return m_location == o.m_location && m_blur == o.m_blur &&
m_spread == o.m_spread && m_style == o.m_style && m_color == o.m_color;
}
ShadowData ShadowData::blend(const ShadowData& from,
double progress,
const Color& currentColor) const {
ASSERT(style() == from.style());
return ShadowData(blink::blend(from.location(), location(), progress),
clampTo(blink::blend(from.blur(), blur(), progress), 0.0f),
blink::blend(from.spread(), spread(), progress), style(),
blink::blend(from.color().resolve(currentColor),
color().resolve(currentColor), progress));
}
ShadowData ShadowData::neutralValue() {
return ShadowData(FloatPoint(0, 0), 0, 0, Normal,
StyleColor(Color::transparent));
}
} // namespace blink
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