| /* |
| * Copyright (C) 1999 Antti Koivisto (koivisto@kde.org) |
| * Copyright (C) 2004, 2005, 2006, 2007, 2008 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 "config.h" |
| #include "SkewTransformOperation.h" |
| |
| #include "AnimationUtilities.h" |
| #include <wtf/text/TextStream.h> |
| |
| namespace WebCore { |
| |
| bool SkewTransformOperation::operator==(const TransformOperation& other) const |
| { |
| if (!isSameType(other)) |
| return false; |
| const SkewTransformOperation& s = downcast<SkewTransformOperation>(other); |
| return m_angleX == s.m_angleX && m_angleY == s.m_angleY; |
| } |
| |
| Ref<TransformOperation> SkewTransformOperation::blend(const TransformOperation* from, double progress, bool blendToIdentity) |
| { |
| if (from && !from->isSameType(*this)) |
| return *this; |
| |
| if (blendToIdentity) |
| return SkewTransformOperation::create(WebCore::blend(m_angleX, 0.0, progress), WebCore::blend(m_angleY, 0.0, progress), type()); |
| |
| const SkewTransformOperation* fromOp = downcast<SkewTransformOperation>(from); |
| double fromAngleX = fromOp ? fromOp->m_angleX : 0; |
| double fromAngleY = fromOp ? fromOp->m_angleY : 0; |
| return SkewTransformOperation::create(WebCore::blend(fromAngleX, m_angleX, progress), WebCore::blend(fromAngleY, m_angleY, progress), type()); |
| } |
| |
| void SkewTransformOperation::dump(TextStream& ts) const |
| { |
| ts << type() << "(" << TextStream::FormatNumberRespectingIntegers(m_angleX) << "deg, " << TextStream::FormatNumberRespectingIntegers(m_angleY) << "deg)"; |
| } |
| |
| } // namespace WebCore |