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91 lines
3.1 KiB
C++
91 lines
3.1 KiB
C++
/*
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* Copyright (C) 2000 Lars Knoll (knoll@kde.org)
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* (C) 2000 Antti Koivisto (koivisto@kde.org)
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* (C) 2000 Dirk Mueller (mueller@kde.org)
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* Copyright (C) 2003, 2005, 2006, 2007, 2008 Apple Inc. All rights reserved.
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* Copyright (C) 2006 Graham Dennis (graham.dennis@gmail.com)
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*
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* This library is free software; you can redistribute it and/or
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* modify it under the terms of the GNU Library General Public
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* License as published by the Free Software Foundation; either
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* version 2 of the License, or (at your option) any later version.
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*
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* This library is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* Library General Public License for more details.
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*
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* You should have received a copy of the GNU Library General Public License
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* along with this library; see the file COPYING.LIB. If not, write to
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* the Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*
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*/
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#ifndef SKY_ENGINE_PLATFORM_TRANSFORMS_TRANSFORMOPERATION_H_
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#define SKY_ENGINE_PLATFORM_TRANSFORMS_TRANSFORMOPERATION_H_
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#include "flutter/sky/engine/platform/geometry/FloatSize.h"
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#include "flutter/sky/engine/platform/transforms/TransformationMatrix.h"
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#include "flutter/sky/engine/wtf/PassRefPtr.h"
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#include "flutter/sky/engine/wtf/RefCounted.h"
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namespace blink {
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// CSS Transforms (may become part of CSS3)
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class PLATFORM_EXPORT TransformOperation : public RefCounted<TransformOperation> {
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public:
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enum OperationType {
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ScaleX, ScaleY, Scale,
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TranslateX, TranslateY, Translate,
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Rotate,
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RotateZ = Rotate,
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SkewX, SkewY, Skew,
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Matrix,
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ScaleZ, Scale3D,
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TranslateZ, Translate3D,
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RotateX, RotateY, Rotate3D,
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Matrix3D,
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Perspective,
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Interpolated,
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Identity, None
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};
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virtual ~TransformOperation() { }
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virtual bool operator==(const TransformOperation&) const = 0;
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bool operator!=(const TransformOperation& o) const { return !(*this == o); }
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virtual bool isIdentity() const = 0;
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virtual void apply(TransformationMatrix&, const FloatSize& borderBoxSize) const = 0;
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virtual PassRefPtr<TransformOperation> blend(const TransformOperation* from, double progress, bool blendToIdentity = false) = 0;
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virtual OperationType type() const = 0;
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bool isSameType(const TransformOperation& other) const { return other.type() == type(); }
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virtual bool canBlendWith(const TransformOperation& other) const = 0;
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bool is3DOperation() const
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{
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OperationType opType = type();
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return opType == ScaleZ
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|| opType == Scale3D
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|| opType == TranslateZ
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|| opType == Translate3D
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|| opType == RotateX
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|| opType == RotateY
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|| opType == Rotate3D
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|| opType == Matrix3D
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|| opType == Perspective
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|| opType == Interpolated;
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}
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virtual bool dependsOnBoxSize() const { return false; }
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};
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} // namespace blink
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#endif // SKY_ENGINE_PLATFORM_TRANSFORMS_TRANSFORMOPERATION_H_
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