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/*
* Copyright (C) 2000 Lars Knoll (knoll@kde.org)
* (C) 2000 Antti Koivisto (koivisto@kde.org)
* (C) 2000 Dirk Mueller (mueller@kde.org)
* Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
* Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
*
* 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.
*
*/
#ifndef TranslateTransformOperation_h
#define TranslateTransformOperation_h
#include "Length.h"
#include "TransformOperation.h"
namespace WebCore {
class TranslateTransformOperation : public TransformOperation {
public:
static PassRefPtr<TranslateTransformOperation> create(const Length& tx, const Length& ty, OperationType type)
{
return adoptRef(new TranslateTransformOperation(tx, ty, type));
}
virtual bool isIdentity() const { return m_x.calcFloatValue(1) == 0 && m_y.calcFloatValue(1) == 0; }
virtual OperationType getOperationType() const { return m_type; }
virtual bool isSameType(const TransformOperation& o) const { return o.getOperationType() == m_type; }
virtual bool operator==(const TransformOperation& o) const
{
if (!isSameType(o))
return false;
const TranslateTransformOperation* t = static_cast<const TranslateTransformOperation*>(&o);
return m_x == t->m_x && m_y == t->m_y;
}
virtual bool apply(AffineTransform& transform, const IntSize& borderBoxSize) const
{
transform.translate(m_x.calcFloatValue(borderBoxSize.width()), m_y.calcFloatValue(borderBoxSize.height()));
return m_x.type() == Percent || m_y.type() == Percent;
}
virtual PassRefPtr<TransformOperation> blend(const TransformOperation* from, double progress, bool blendToIdentity = false);
private:
TranslateTransformOperation(const Length& tx, const Length& ty, OperationType type)
: m_x(tx)
, m_y(ty)
, m_type(type)
{
}
Length m_x;
Length m_y;
OperationType m_type;
};
} // namespace WebCore
#endif // TranslateTransformOperation_h
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