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 16package ohos.hdi.display.buffer.v1_0; 17 18import ohos.hdi.display.buffer.v1_0.DisplayBufferType; 19 20interface IAllocator { 21 /** 22 * @brief the function to alloc memory 23 * 24 * @param info describs the buffer to be alloced 25 * @param handle The allocated buffer handle 26 * 27 * @return Returns <b>0</b> if the operation is successful; returns an error code defined 28 * in {@link DispErrCode} otherwise. 29 * @since 4.0 30 * @version 1.0 31 */ 32 AllocMem([in] struct AllocInfo info, [out] NativeBuffer handle); 33} 34