1 /* 2 * Copyright (c) 2021-2022 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 FOUNDATION_ACE_FRAMEWORKS_CORE_LAYERS_OPACITY_LAYER_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_LAYERS_OPACITY_LAYER_H 18 19 #include "core/pipeline/layers/offset_layer.h" 20 #include "core/pipeline/layers/scene_builder.h" 21 22 namespace OHOS::Ace::Flutter { 23 24 class OpacityLayer : public OffsetLayer { DECLARE_ACE_TYPE(OpacityLayer,OffsetLayer)25 DECLARE_ACE_TYPE(OpacityLayer, OffsetLayer) 26 public: 27 OpacityLayer(uint8_t alpha, double dx, double dy) : OffsetLayer(0, 0), alpha_(alpha), dx_(dx), dy_(dy) {} 28 ~OpacityLayer() override = default; 29 30 void AddToScene(SceneBuilder& builder, double x, double y) override; 31 32 void SetOpacity(uint8_t alpha, double dx, double dy); 33 void Dump() override; 34 35 private: 36 uint8_t alpha_ = 255; 37 double dx_ = 0.0; 38 double dy_ = 0.0; 39 }; 40 41 } // namespace OHOS::Ace::Flutter 42 43 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_LAYERS_OPACITY_LAYER_H 44