blob: 83cf3d4404f2ec38b0c790dba131a7ed55abab62 [file] [log] [blame]
/*
* 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 "ScaleTransformOperation.h"
#include "AnimationUtilities.h"
#include <wtf/text/TextStream.h>
namespace WebCore {
bool ScaleTransformOperation::operator==(const TransformOperation& other) const
{
if (!isSameType(other))
return false;
const ScaleTransformOperation& s = downcast<ScaleTransformOperation>(other);
return m_x == s.m_x && m_y == s.m_y && m_z == s.m_z;
}
Ref<TransformOperation> ScaleTransformOperation::blend(const TransformOperation* from, double progress, bool blendToIdentity)
{
if (from && !from->isSameType(*this))
return *this;
if (blendToIdentity)
return ScaleTransformOperation::create(WebCore::blend(m_x, 1.0, progress),
WebCore::blend(m_y, 1.0, progress),
WebCore::blend(m_z, 1.0, progress), type());
const ScaleTransformOperation* fromOp = downcast<ScaleTransformOperation>(from);
double fromX = fromOp ? fromOp->m_x : 1.0;
double fromY = fromOp ? fromOp->m_y : 1.0;
double fromZ = fromOp ? fromOp->m_z : 1.0;
return ScaleTransformOperation::create(WebCore::blend(fromX, m_x, progress),
WebCore::blend(fromY, m_y, progress),
WebCore::blend(fromZ, m_z, progress), type());
}
void ScaleTransformOperation::dump(TextStream& ts) const
{
ts << type() << "(" << TextStream::FormatNumberRespectingIntegers(m_x) << ", " << TextStream::FormatNumberRespectingIntegers(m_y) << ", " << TextStream::FormatNumberRespectingIntegers(m_z) << ")";
}
} // namespace WebCore