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 #ifndef DATA_IMPL_H 17 #define DATA_IMPL_H 18 19 #include "base_impl.h" 20 21 namespace OHOS { 22 namespace Rosen { 23 namespace Drawing { 24 class Data; 25 typedef void (*DataReleaseProc)(const void* ptr, void* context); 26 class DataImpl : public BaseImpl { 27 public: DataImpl()28 DataImpl() noexcept {} ~DataImpl()29 ~DataImpl() override {} 30 31 virtual bool BuildFromMalloc(const void* data, size_t length) = 0; 32 virtual bool BuildWithCopy(const void* data, size_t length) = 0; 33 virtual bool BuildWithProc(const void* ptr, size_t length, DataReleaseProc proc, void* ctx) = 0; 34 virtual bool BuildWithoutCopy(const void* data, size_t length) = 0; 35 virtual bool BuildUninitialized(size_t length) = 0; 36 virtual bool BuildEmpty() = 0; 37 38 virtual void* WritableData() = 0; 39 virtual size_t GetSize() const = 0; 40 virtual const void* GetData() const = 0; 41 42 virtual std::shared_ptr<Data> Serialize() const = 0; 43 }; 44 } // namespace Drawing 45 } // namespace Rosen 46 } // namespace OHOS 47 #endif 48