1 /* 2 * Copyright (c) 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 /** 17 * @addtogroup RenderNodeDisplay 18 * @{ 19 * 20 * @brief Display render nodes. 21 */ 22 23 /** 24 * @file rs_texture_export.h 25 * 26 * @brief Defines the properties and methods for RSTextureExport class. 27 */ 28 29 #ifndef RENDER_SERVICE_CLIENT_CORE_UI_RS_TEXTURE_EXPORT_H 30 #define RENDER_SERVICE_CLIENT_CORE_UI_RS_TEXTURE_EXPORT_H 31 32 #include "ui/rs_ui_director.h" 33 #include "ui/rs_node.h" 34 35 namespace OHOS { 36 namespace Rosen { 37 38 /** 39 * @class RSTextureExport 40 * 41 * @brief The class for exporting textures from a render service node. 42 */ 43 class RSC_EXPORT RSTextureExport { 44 public: 45 /** 46 * @brief Constructor for RSTextureExport. 47 * 48 * @param rootNode The root node of the texture export. 49 * @param surfaceId The ID of the surface to be exported. 50 */ 51 RSTextureExport(std::shared_ptr<RSNode> rootNode, SurfaceId surfaceId); 52 53 /** 54 * @brief Destructor for RSTextureExport. 55 */ 56 ~RSTextureExport(); 57 58 /** 59 * @brief Performs the texture export operation. 60 * 61 * @return true if the texture export is successful; otherwise, false. 62 */ 63 bool DoTextureExport(); 64 65 /** 66 * @brief Stops the texture export operation. 67 */ 68 void StopTextureExport(); 69 70 /** 71 * @brief Updates the buffer information for texture export. 72 * 73 * @param x The x-coordinate of the buffer. 74 * @param y The y-coordinate of the buffer. 75 * @param width The width of the buffer. 76 * @param height The height of the buffer. 77 */ 78 void UpdateBufferInfo(float x, float y, float width, float height); 79 private: 80 std::shared_ptr<RSUIDirector> rsUiDirector_; 81 std::shared_ptr<RSNode> rootNode_; 82 SurfaceId surfaceId_; 83 std::shared_ptr<RSSurfaceNode> virtualSurfaceNode_; 84 std::shared_ptr<RSNode> virtualRootNode_; 85 }; 86 } // namespace Rosen 87 } // namespace OHOS 88 89 /** @} */ 90 #endif // RENDER_SERVICE_CLIENT_CORE_UI_RS_TEXTURE_EXPORT_H 91