| /* |
| * 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 THIRD_PARTY_BLINK_RENDERER_PLATFORM_TRANSFORMS_ROTATE_TRANSFORM_OPERATION_H_ |
| #define THIRD_PARTY_BLINK_RENDERER_PLATFORM_TRANSFORMS_ROTATE_TRANSFORM_OPERATION_H_ |
| |
| #include "third_party/blink/renderer/platform/geometry/float_point_3d.h" |
| #include "third_party/blink/renderer/platform/transforms/rotation.h" |
| #include "third_party/blink/renderer/platform/transforms/transform_operation.h" |
| #include "third_party/blink/renderer/platform/wtf/casting.h" |
| |
| namespace blink { |
| |
| class PLATFORM_EXPORT RotateTransformOperation : public TransformOperation { |
| public: |
| static scoped_refptr<RotateTransformOperation> Create(double angle, |
| OperationType type) { |
| return Create(Rotation(FloatPoint3D(0, 0, 1), angle), type); |
| } |
| |
| static scoped_refptr<RotateTransformOperation> Create(double x, |
| double y, |
| double z, |
| double angle, |
| OperationType type) { |
| return Create(Rotation(FloatPoint3D(x, y, z), angle), type); |
| } |
| |
| static scoped_refptr<RotateTransformOperation> Create( |
| const Rotation& rotation, |
| OperationType type) { |
| DCHECK(IsMatchingOperationType(type)); |
| return base::AdoptRef(new RotateTransformOperation(rotation, type)); |
| } |
| |
| bool operator==(const RotateTransformOperation& other) const { |
| return *this == static_cast<const TransformOperation&>(other); |
| } |
| |
| double X() const { return rotation_.axis.X(); } |
| double Y() const { return rotation_.axis.Y(); } |
| double Z() const { return rotation_.axis.Z(); } |
| double Angle() const { return rotation_.angle; } |
| const FloatPoint3D& Axis() const { return rotation_.axis; } |
| |
| static bool GetCommonAxis(const RotateTransformOperation*, |
| const RotateTransformOperation*, |
| FloatPoint3D& result_axis, |
| double& result_angle_a, |
| double& result_angle_b); |
| |
| OperationType GetType() const override { return type_; } |
| OperationType PrimitiveType() const override { return kRotate3D; } |
| |
| void Apply(TransformationMatrix& transform, |
| const FloatSize& /*borderBoxSize*/) const override { |
| transform.Rotate3d(rotation_); |
| } |
| |
| static bool IsMatchingOperationType(OperationType type) { |
| return type == kRotate || type == kRotateX || type == kRotateY || |
| type == kRotateZ || type == kRotate3D; |
| } |
| |
| protected: |
| bool operator==(const TransformOperation&) const override; |
| |
| bool HasNonTrivial3DComponent() const override { |
| return Angle() && (X() || Y()); |
| } |
| |
| scoped_refptr<TransformOperation> Accumulate( |
| const TransformOperation& other) override; |
| scoped_refptr<TransformOperation> Blend( |
| const TransformOperation* from, |
| double progress, |
| bool blend_to_identity = false) override; |
| scoped_refptr<TransformOperation> Zoom(double factor) override { |
| return this; |
| } |
| |
| RotateTransformOperation(const Rotation& rotation, OperationType type) |
| : rotation_(rotation), type_(type) {} |
| |
| const Rotation rotation_; |
| const OperationType type_; |
| }; |
| |
| template <> |
| struct DowncastTraits<RotateTransformOperation> { |
| static bool AllowFrom(const TransformOperation& transform) { |
| return RotateTransformOperation::IsMatchingOperationType( |
| transform.GetType()); |
| } |
| }; |
| |
| class PLATFORM_EXPORT RotateAroundOriginTransformOperation final |
| : public RotateTransformOperation { |
| public: |
| static scoped_refptr<RotateAroundOriginTransformOperation> |
| Create(double angle, double origin_x, double origin_y) { |
| return base::AdoptRef( |
| new RotateAroundOriginTransformOperation(angle, origin_x, origin_y)); |
| } |
| |
| void Apply(TransformationMatrix&, const FloatSize&) const override; |
| |
| static bool IsMatchingOperationType(OperationType type) { |
| return type == kRotateAroundOrigin; |
| } |
| OperationType PrimitiveType() const override { return kRotateAroundOrigin; } |
| |
| private: |
| RotateAroundOriginTransformOperation(double angle, |
| double origin_x, |
| double origin_y); |
| |
| bool operator==(const TransformOperation&) const override; |
| |
| scoped_refptr<TransformOperation> Blend( |
| const TransformOperation* from, |
| double progress, |
| bool blend_to_identity = false) override; |
| scoped_refptr<TransformOperation> Zoom(double factor) override; |
| |
| double origin_x_; |
| double origin_y_; |
| }; |
| |
| template <> |
| struct DowncastTraits<RotateAroundOriginTransformOperation> { |
| static bool AllowFrom(const TransformOperation& transform) { |
| return RotateAroundOriginTransformOperation::IsMatchingOperationType( |
| transform.GetType()); |
| } |
| }; |
| |
| } // namespace blink |
| |
| #endif // THIRD_PARTY_BLINK_RENDERER_PLATFORM_TRANSFORMS_ROTATE_TRANSFORM_OPERATION_H_ |