mirror of
https://github.com/flutter/flutter.git
synced 2026-02-20 02:29:02 +08:00
102 lines
3.1 KiB
C++
102 lines
3.1 KiB
C++
/*
|
|
* 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 SKY_ENGINE_PLATFORM_TRANSFORMS_TRANSFORMOPERATION_H_
|
|
#define SKY_ENGINE_PLATFORM_TRANSFORMS_TRANSFORMOPERATION_H_
|
|
|
|
#include "flutter/sky/engine/platform/geometry/FloatSize.h"
|
|
#include "flutter/sky/engine/platform/transforms/TransformationMatrix.h"
|
|
#include "flutter/sky/engine/wtf/PassRefPtr.h"
|
|
#include "flutter/sky/engine/wtf/RefCounted.h"
|
|
|
|
namespace blink {
|
|
|
|
// CSS Transforms (may become part of CSS3)
|
|
|
|
class PLATFORM_EXPORT TransformOperation
|
|
: public RefCounted<TransformOperation> {
|
|
public:
|
|
enum OperationType {
|
|
ScaleX,
|
|
ScaleY,
|
|
Scale,
|
|
TranslateX,
|
|
TranslateY,
|
|
Translate,
|
|
Rotate,
|
|
RotateZ = Rotate,
|
|
SkewX,
|
|
SkewY,
|
|
Skew,
|
|
Matrix,
|
|
ScaleZ,
|
|
Scale3D,
|
|
TranslateZ,
|
|
Translate3D,
|
|
RotateX,
|
|
RotateY,
|
|
Rotate3D,
|
|
Matrix3D,
|
|
Perspective,
|
|
Interpolated,
|
|
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;
|
|
|
|
virtual void apply(TransformationMatrix&,
|
|
const FloatSize& borderBoxSize) const = 0;
|
|
|
|
virtual PassRefPtr<TransformOperation> blend(
|
|
const TransformOperation* from,
|
|
double progress,
|
|
bool blendToIdentity = false) = 0;
|
|
|
|
virtual OperationType type() const = 0;
|
|
bool isSameType(const TransformOperation& other) const {
|
|
return other.type() == type();
|
|
}
|
|
virtual bool canBlendWith(const TransformOperation& other) const = 0;
|
|
|
|
bool is3DOperation() const {
|
|
OperationType opType = type();
|
|
return opType == ScaleZ || opType == Scale3D || opType == TranslateZ ||
|
|
opType == Translate3D || opType == RotateX || opType == RotateY ||
|
|
opType == Rotate3D || opType == Matrix3D || opType == Perspective ||
|
|
opType == Interpolated;
|
|
}
|
|
|
|
virtual bool dependsOnBoxSize() const { return false; }
|
|
};
|
|
|
|
} // namespace blink
|
|
|
|
#endif // SKY_ENGINE_PLATFORM_TRANSFORMS_TRANSFORMOPERATION_H_
|