1 /*
2  * Copyright (C) 2024 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 PLUGINS_COMMON_LIBS_IMAGE_LIBEXTPLUGIN_INCLUDE_HEIF_PARSER_HEIF_UTILS_H
17 #define PLUGINS_COMMON_LIBS_IMAGE_LIBEXTPLUGIN_INCLUDE_HEIF_PARSER_HEIF_UTILS_H
18 
19 #include <string>
20 #include "heif_constant.h"
21 
22 namespace OHOS {
23 namespace ImagePlugin {
24 std::string code_to_fourcc(uint32_t code);
25 
fourcc_to_code(const char * string)26 constexpr inline uint32_t fourcc_to_code(const char *string)
27 {
28     return (string[BUFFER_INDEX_ZERO] << THREE_BYTES_SHIFT) |
29            (string[BUFFER_INDEX_ONE] << TWO_BYTES_SHIFT) |
30            (string[BUFFER_INDEX_TWO] << ONE_BYTE_SHIFT) |
31            (string[BUFFER_INDEX_THREE]);
32 }
33 } // namespace ImagePlugin
34 } // namespace OHOS
35 
36 #endif // PLUGINS_COMMON_LIBS_IMAGE_LIBEXTPLUGIN_INCLUDE_HEIF_PARSER_HEIF_UTILS_H
37