/* | |
* 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 TransformOperation_h | |
#define TransformOperation_h | |
#include "TransformationMatrix.h" | |
#include "IntSize.h" | |
#include <wtf/PassRefPtr.h> | |
#include <wtf/RefCounted.h> | |
namespace WebCore { | |
// CSS Transforms (may become part of CSS3) | |
class TransformOperation : public RefCounted<TransformOperation> { | |
public: | |
enum OperationType { | |
SCALE_X, SCALE_Y, SCALE, | |
TRANSLATE_X, TRANSLATE_Y, TRANSLATE, | |
ROTATE, | |
ROTATE_Z = ROTATE, | |
SKEW_X, SKEW_Y, SKEW, | |
MATRIX, | |
SCALE_Z, SCALE_3D, | |
TRANSLATE_Z, TRANSLATE_3D, | |
ROTATE_X, ROTATE_Y, ROTATE_3D, | |
MATRIX_3D, | |
PERSPECTIVE, | |
IDENTITY, NONE | |
}; | |
virtual ~TransformOperation() { } | |
virtual bool operator==(const TransformOperation&) const = 0; | |
bool operator!=(const TransformOperation& o) const { return !(*this == o); } | |
virtual bool isIdentity() const = 0; | |
// Return true if the borderBoxSize was used in the computation, false otherwise. | |
virtual bool apply(TransformationMatrix&, const IntSize& borderBoxSize) const = 0; | |
virtual PassRefPtr<TransformOperation> blend(const TransformOperation* from, double progress, bool blendToIdentity = false) = 0; | |
virtual OperationType getOperationType() const = 0; | |
virtual bool isSameType(const TransformOperation&) const { return false; } | |
bool is3DOperation() const | |
{ | |
OperationType opType = getOperationType(); | |
return opType == SCALE_Z || | |
opType == SCALE_3D || | |
opType == TRANSLATE_Z || | |
opType == TRANSLATE_3D || | |
opType == ROTATE_X || | |
opType == ROTATE_Y || | |
opType == ROTATE_3D || | |
opType == MATRIX_3D || | |
opType == PERSPECTIVE; | |
} | |
}; | |
} // namespace WebCore | |
#endif // TransformOperation_h |