1 /*
2  * Copyright (c) 2021-2023 Huawei Device Co., Ltd.
3  * Licensed under the Apache License, Version 2.0 (the "License");
4  * you may not use this file except in compliance with the License.
5  * You may obtain a copy of the License at
6  *
7  *     http://www.apache.org/licenses/LICENSE-2.0
8  *
9  * Unless required by applicable law or agreed to in writing, software
10  * distributed under the License is distributed on an "AS IS" BASIS,
11  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
12  * See the License for the specific language governing permissions and
13  * limitations under the License.
14  */
15 
16 #ifndef ROSEN_ENGINE_CORE_ANIMATION_RS_SPRING_INTERPOLATOR_H
17 #define ROSEN_ENGINE_CORE_ANIMATION_RS_SPRING_INTERPOLATOR_H
18 
19 #include "animation/rs_interpolator.h"
20 #include "animation/rs_spring_model.h"
21 #include "common/rs_macros.h"
22 
23 namespace OHOS {
24 namespace Rosen {
25 class RSB_EXPORT RSSpringInterpolator : public RSSpringModel<float>, public RSInterpolator {
26 public:
27     RSSpringInterpolator(float response, float dampingRatio, float initialVelocity);
28 
~RSSpringInterpolator()29     ~RSSpringInterpolator() override {};
30 
31     float InterpolateImpl(float fraction) const override;
32     bool Marshalling(Parcel& parcel) const override;
33     [[nodiscard]] static RSSpringInterpolator* Unmarshalling(Parcel& parcel);
34 
GetType()35     InterpolatorType GetType() override { return InterpolatorType::SPRING; }
36 private:
37     RSSpringInterpolator(uint64_t id, float response, float dampingRatio, float initialVelocity);
38     float estimatedDuration_ = 0.0f;
39 };
40 } // namespace Rosen
41 } // namespace OHOS
42 
43 #endif // ROSEN_ENGINE_CORE_ANIMATION_RS_SPRING_INTERPOLATOR_H
44