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 #ifndef RENDER_SERVICE_CLIENT_CORE_PIPELINE_RS_CANVAS_RENDER_NODE_H 16 #define RENDER_SERVICE_CLIENT_CORE_PIPELINE_RS_CANVAS_RENDER_NODE_H 17 18 #include <memory> 19 #include <unordered_set> 20 21 #include "modifier/rs_modifier_type.h" 22 #include "pipeline/rs_render_node.h" 23 24 namespace OHOS { 25 namespace Rosen { 26 class DrawCmdList; 27 class RSPaintFilterCanvas; 28 struct RSModifierContext; 29 30 class RSCanvasRenderNode : public RSRenderNode { 31 public: 32 using WeakPtr = std::weak_ptr<RSCanvasRenderNode>; 33 using SharedPtr = std::shared_ptr<RSCanvasRenderNode>; 34 static inline constexpr RSRenderNodeType Type = RSRenderNodeType::CANVAS_NODE; 35 36 explicit RSCanvasRenderNode(NodeId id, std::weak_ptr<RSContext> context = {}); 37 virtual ~RSCanvasRenderNode(); 38 39 void UpdateRecording(std::shared_ptr<DrawCmdList> drawCmds, RSModifierType type); 40 void ClearRecording(); 41 42 void ProcessRenderBeforeChildren(RSPaintFilterCanvas& canvas) override; 43 void ProcessRenderAfterChildren(RSPaintFilterCanvas& canvas) override; 44 45 void Prepare(const std::shared_ptr<RSNodeVisitor>& visitor) override; 46 void Process(const std::shared_ptr<RSNodeVisitor>& visitor) override; 47 GetType()48 RSRenderNodeType GetType() const override 49 { 50 return RSRenderNodeType::CANVAS_NODE; 51 } 52 private: 53 void ApplyDrawCmdModifier(RSModifierContext& context, RSModifierType type); 54 55 std::pair<int, int> canvasNodeSaveCount_ = { 0, 0 }; 56 57 friend class RSRenderTransition; 58 }; 59 } // namespace Rosen 60 } // namespace OHOS 61 62 #endif // RENDER_SERVICE_CLIENT_CORE_PIPELINE_RS_CANVAS_RENDER_NODE_H 63