1 /* 2 * Copyright 2020 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 #pragma once 18 19 #include <android/hardware_buffer.h> 20 #include <array> 21 #include <string> 22 23 namespace android { 24 25 class ImageHashManager { 26 public: 27 static int32_t generatePHash(const uint8_t* buffer, int32_t width, int32_t height, 28 int32_t stride, std::array<uint8_t, 8>* outImageHash); 29 30 static int32_t generateHash(std::string hashAlgorithm, const uint8_t* buf, 31 AHardwareBuffer_Desc bufferDesc, 32 std::array<uint8_t, 8>* outImageHash); 33 }; 34 35 } // namespace android 36