1 /* 2 * Copyright (C) 2025 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 * epfs.h, keep same with fs/epfs/epfs.h 16 * 17 */ 18 19 #ifndef OHOS_MEDIALIBRARY_EXIF_ROTATE_UTILS_H 20 #define OHOS_MEDIALIBRARY_EXIF_ROTATE_UTILS_H 21 22 #include <string> 23 24 namespace OHOS { 25 namespace Media { 26 #define EXPORT __attribute__ ((visibility ("default"))) 27 28 enum class ExifRotateType : int32_t { 29 TOP_LEFT = 1, 30 TOP_RIGHT = 2, 31 BOTTOM_RIGHT = 3, 32 BOTTOM_LEFT = 4, 33 LEFT_TOP = 5, 34 RIGHT_TOP = 6, 35 RIGHT_BOTTOM = 7, 36 LEFT_BOTTOM = 8, 37 }; 38 39 struct FlipAndRotateInfo { 40 bool isLeftAndRightFlip {false}; 41 bool isUpAndDownFlip {false}; 42 int32_t orientation {0}; 43 }; 44 45 class EXPORT ExifRotateUtils { 46 public: 47 ExifRotateUtils() = delete; 48 virtual ~ExifRotateUtils() = delete; 49 50 static bool ConvertOrientationKeyToExifRotate(const std::string &key, int32_t &exifRotate); 51 static bool ConvertOrientationToExifRotate(int32_t orientation, int32_t &exifRotate); 52 static bool IsExifRotateWithFlip(int32_t exifRotate); 53 static bool GetFlipAndRotateInfo(int32_t exifRotate, FlipAndRotateInfo &info); 54 }; 55 } // namespace Media 56 } // namespace OHOS 57 #endif // OHOS_MEDIALIBRARY_EXIF_ROTATE_UTILS_H