1 /* 2 * Copyright (c) 2021 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_COMPONENTS_TRANSFORM_FLUTTER_RENDER_TRANSFORM_H 17 #define FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_TRANSFORM_FLUTTER_RENDER_TRANSFORM_H 18 19 #include "core/components/transform/render_transform.h" 20 #include "core/pipeline/base/flutter_render_context.h" 21 #include "core/pipeline/layers/transform_layer.h" 22 23 namespace OHOS::Ace { 24 25 class FlutterRenderTransform final : public RenderTransform { 26 DECLARE_ACE_TYPE(FlutterRenderTransform, RenderTransform); 27 28 public: 29 FlutterRenderTransform() = default; 30 ~FlutterRenderTransform() override = default; 31 RenderLayer GetRenderLayer() override; 32 void Paint(RenderContext& context, const Offset& offset) override; 33 void OnGlobalPositionChanged() override; 34 IsRepaintBoundary()35 bool IsRepaintBoundary() const override 36 { 37 return true; 38 } 39 40 bool HasEffectiveTransform() const override; 41 42 Point GetTransformPoint(const Point& point) override; 43 Rect GetTransformRect(const Rect& rect) override; 44 45 void UpdateTransformLayer() override; 46 47 void Mirror(const Offset& center, const Offset& global) override; 48 49 private: 50 Matrix4 GetEffectiveTransform(const Offset& offset); 51 void UpdateTransformByGlobalOffset(); 52 bool CheckNeedPaint() const; 53 54 RefPtr<Flutter::TransformLayer> layer_; 55 }; 56 57 } // namespace OHOS::Ace 58 59 #endif // FOUNDATION_ACE_FRAMEWORKS_CORE_COMPONENTS_TRANSFORM_FLUTTER_RENDER_TRANSFORM_H 60