1 /* 2 * Copyright (C) 1999 Antti Koivisto (koivisto (at) kde.org) 3 * Copyright (C) 2004, 2005, 2006, 2007, 2008, 2009 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 "core/rendering/style/ShadowData.h" 24 25 #include "platform/animation/AnimationUtilities.h" 26 27 namespace blink { 28 29 bool ShadowData::operator==(const ShadowData& o) const 30 { 31 return m_location == o.m_location 32 && m_blur == o.m_blur 33 && m_spread == o.m_spread 34 && m_style == o.m_style 35 && m_color == o.m_color; 36 } 37 38 ShadowData ShadowData::blend(const ShadowData& from, double progress) const 39 { 40 if (style() != from.style()) 41 return *this; 42 43 return ShadowData(blink::blend(from.location(), location(), progress), 44 clampTo(blink::blend(from.blur(), blur(), progress), 0.0f), 45 blink::blend(from.spread(), spread(), progress), 46 style(), 47 blink::blend(from.color(), color(), progress)); 48 } 49 50 } // namespace blink 51