1 /*
2  * Copyright (C) 2018 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 #ifndef MINIKIN_HB_UTILS_H
18 #define MINIKIN_HB_UTILS_H
19 
20 #include <hb.h>
21 #include <memory>
22 
23 namespace minikin {
24 
25 struct HbBlobDeleter {
operatorHbBlobDeleter26     void operator()(hb_blob_t* v) { hb_blob_destroy(v); }
27 };
28 
29 struct HbFaceDeleter {
operatorHbFaceDeleter30     void operator()(hb_face_t* v) { hb_face_destroy(v); }
31 };
32 
33 struct HbFontDeleter {
operatorHbFontDeleter34     void operator()(hb_font_t* v) { hb_font_destroy(v); }
35 };
36 
37 struct HbBufferDeleter {
operatorHbBufferDeleter38     void operator()(hb_buffer_t* v) { hb_buffer_destroy(v); }
39 };
40 
41 using HbBlobUniquePtr = std::unique_ptr<hb_blob_t, HbBlobDeleter>;
42 using HbFaceUniquePtr = std::unique_ptr<hb_face_t, HbFaceDeleter>;
43 using HbFontUniquePtr = std::unique_ptr<hb_font_t, HbFontDeleter>;
44 using HbBufferUniquePtr = std::unique_ptr<hb_buffer_t, HbBufferDeleter>;
45 
46 }  // namespace minikin
47 
48 #endif  // MINIKIN_HB_UTILS_H
49