blob: 3a1bb70c11434e8fbc30389dddc56ae1ef975c79 [file] [log] [blame]
/*
* 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"
#include "platform/graphics/ColorBlend.h"
namespace blink {
bool ShadowData::operator==(const ShadowData& o) const {
return location_ == o.location_ && blur_ == o.blur_ && spread_ == o.spread_ &&
style_ == o.style_ && color_ == o.color_;
}
ShadowData ShadowData::Blend(const ShadowData& from,
double progress,
const Color& current_color) const {
DCHECK_EQ(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.GetColor().Resolve(current_color),
GetColor().Resolve(current_color), progress));
}
ShadowData ShadowData::NeutralValue() {
return ShadowData(FloatPoint(0, 0), 0, 0, kNormal,
StyleColor(Color::kTransparent));
}
} // namespace blink