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 #ifndef RENDER_SERVICE_CLIENT_CORE_UI_RS_CANVAS_NODE_H 16 #define RENDER_SERVICE_CLIENT_CORE_UI_RS_CANVAS_NODE_H 17 18 #include "ui/rs_node.h" 19 20 #ifndef USE_ROSEN_DRAWING 21 class SkCanvas; 22 #endif 23 24 namespace OHOS { 25 namespace Rosen { 26 class RSNodeMap; 27 28 class RSC_EXPORT RSCanvasNode : public RSNode { 29 public: 30 using WeakPtr = std::weak_ptr<RSCanvasNode>; 31 using SharedPtr = std::shared_ptr<RSCanvasNode>; 32 static inline constexpr RSUINodeType Type = RSUINodeType::CANVAS_NODE; GetType()33 RSUINodeType GetType() const override 34 { 35 return Type; 36 } 37 38 ~RSCanvasNode() override; 39 40 static SharedPtr Create(bool isRenderServiceNode = false, bool isTextureExportNode = false); 41 42 #ifndef USE_ROSEN_DRAWING 43 SkCanvas* BeginRecording(int width, int height); 44 #else 45 ExtendRecordingCanvas* BeginRecording(int width, int height); 46 #endif 47 bool IsRecording() const; 48 void FinishRecording(); 49 float GetPaintWidth() const; 50 float GetPaintHeight() const; 51 void DrawOnNode(RSModifierType type, DrawFunc func) override; 52 53 void SetFreeze(bool isFreeze) override; 54 55 using BoundsChangedCallback = std::function<void(const Rosen::Vector4f&)>; 56 void SetBoundsChangedCallback(BoundsChangedCallback callback) override; 57 58 protected: 59 RSCanvasNode(bool isRenderServiceNode, bool isTextureExportNode = false); 60 RSCanvasNode(const RSCanvasNode&) = delete; 61 RSCanvasNode(const RSCanvasNode&&) = delete; 62 RSCanvasNode& operator=(const RSCanvasNode&) = delete; 63 RSCanvasNode& operator=(const RSCanvasNode&&) = delete; 64 BoundsChangedCallback boundsChangedCallback_; 65 66 private: 67 #ifndef USE_ROSEN_DRAWING 68 SkCanvas* recordingCanvas_ = nullptr; 69 #else 70 ExtendRecordingCanvas* recordingCanvas_ = nullptr; 71 #endif 72 bool recordingUpdated_ = false; 73 mutable std::mutex mutex_; 74 75 friend class RSUIDirector; 76 friend class RSAnimation; 77 friend class RSPathAnimation; 78 friend class RSPropertyAnimation; 79 friend class RSNodeMap; 80 void OnBoundsSizeChanged() const override; 81 }; 82 } // namespace Rosen 83 } // namespace OHOS 84 85 #endif // RENDER_SERVICE_CLIENT_CORE_UI_RS_CANVAS_NODE_H 86