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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 RotateTransformOperation_h
#define RotateTransformOperation_h
#include "platform/geometry/FloatPoint3D.h"
#include "platform/transforms/Rotation.h"
#include "platform/transforms/TransformOperation.h"
namespace blink {
class PLATFORM_EXPORT RotateTransformOperation : public TransformOperation {
public:
static PassRefPtr<RotateTransformOperation> create(double angle,
OperationType type) {
return create(Rotation(FloatPoint3D(0, 0, 1), angle), type);
}
static PassRefPtr<RotateTransformOperation> create(double x,
double y,
double z,
double angle,
OperationType type) {
return create(Rotation(FloatPoint3D(x, y, z), angle), type);
}
static PassRefPtr<RotateTransformOperation> create(const Rotation& rotation,
OperationType type) {
DCHECK(isMatchingOperationType(type));
return adoptRef(new RotateTransformOperation(rotation, type));
}
double x() const { return m_rotation.axis.x(); }
double y() const { return m_rotation.axis.y(); }
double z() const { return m_rotation.axis.z(); }
double angle() const { return m_rotation.angle; }
const FloatPoint3D& axis() const { return m_rotation.axis; }
static bool getCommonAxis(const RotateTransformOperation*,
const RotateTransformOperation*,
FloatPoint3D& resultAxis,
double& resultAngleA,
double& resultAngleB);
virtual bool canBlendWith(const TransformOperation& other) const;
OperationType type() const override { return m_type; }
OperationType primitiveType() const final { return Rotate3D; }
void apply(TransformationMatrix& transform,
const FloatSize& /*borderBoxSize*/) const override {
transform.rotate3d(m_rotation);
}
static bool isMatchingOperationType(OperationType type) {
return type == Rotate || type == RotateX || type == RotateY ||
type == RotateZ || type == Rotate3D;
}
protected:
bool operator==(const TransformOperation&) const override;
PassRefPtr<TransformOperation> blend(const TransformOperation* from,
double progress,
bool blendToIdentity = false) override;
PassRefPtr<TransformOperation> zoom(double factor) override { return this; }
RotateTransformOperation(const Rotation& rotation, OperationType type)
: m_rotation(rotation), m_type(type) {
}
const Rotation m_rotation;
const OperationType m_type;
};
DEFINE_TRANSFORM_TYPE_CASTS(RotateTransformOperation);
class PLATFORM_EXPORT RotateAroundOriginTransformOperation final
: public RotateTransformOperation {
public:
static PassRefPtr<RotateAroundOriginTransformOperation>
create(double angle, double originX, double originY) {
return adoptRef(
new RotateAroundOriginTransformOperation(angle, originX, originY));
}
void apply(TransformationMatrix&, const FloatSize&) const override;
static bool isMatchingOperationType(OperationType type) {
return type == RotateAroundOrigin;
}
private:
RotateAroundOriginTransformOperation(double angle,
double originX,
double originY);
bool operator==(const TransformOperation&) const override;
PassRefPtr<TransformOperation> blend(const TransformOperation* from,
double progress,
bool blendToIdentity = false) override;
PassRefPtr<TransformOperation> zoom(double factor) override;
double m_originX;
double m_originY;
};
DEFINE_TRANSFORM_TYPE_CASTS(RotateAroundOriginTransformOperation);
} // namespace blink
#endif // RotateTransformOperation_h
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