| 1 | /* |
| 2 | * Copyright (C) 2017 Igalia S.L. |
| 3 | * |
| 4 | * Redistribution and use in source and binary forms, with or without |
| 5 | * modification, are permitted provided that the following conditions |
| 6 | * are met: |
| 7 | * 1. Redistributions of source code must retain the above copyright |
| 8 | * notice, this list of conditions and the following disclaimer. |
| 9 | * 2. Redistributions in binary form must reproduce the above copyright |
| 10 | * notice, this list of conditions and the following disclaimer in the |
| 11 | * documentation and/or other materials provided with the distribution. |
| 12 | * |
| 13 | * THIS SOFTWARE IS PROVIDED BY APPLE INC. AND ITS CONTRIBUTORS ``AS IS'' AND ANY |
| 14 | * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED |
| 15 | * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE |
| 16 | * DISCLAIMED. IN NO EVENT SHALL APPLE INC. OR ITS CONTRIBUTORS BE LIABLE FOR ANY |
| 17 | * DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES |
| 18 | * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; |
| 19 | * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON |
| 20 | * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT |
| 21 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS |
| 22 | * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| 23 | */ |
| 24 | |
| 25 | #pragma once |
| 26 | |
| 27 | #if USE(HARFBUZZ) |
| 28 | |
| 29 | #include <hb.h> |
| 30 | |
| 31 | namespace WebCore { |
| 32 | |
| 33 | template<typename T> |
| 34 | struct HbPtrDeleter { |
| 35 | void operator()(T* ptr) const = delete; |
| 36 | }; |
| 37 | |
| 38 | template<typename T> |
| 39 | using HbUniquePtr = std::unique_ptr<T, HbPtrDeleter<T>>; |
| 40 | |
| 41 | template<> struct HbPtrDeleter<hb_font_t> { |
| 42 | void operator()(hb_font_t* ptr) const |
| 43 | { |
| 44 | hb_font_destroy(ptr); |
| 45 | } |
| 46 | }; |
| 47 | |
| 48 | template<> struct HbPtrDeleter<hb_buffer_t> { |
| 49 | void operator()(hb_buffer_t* ptr) const |
| 50 | { |
| 51 | hb_buffer_destroy(ptr); |
| 52 | } |
| 53 | }; |
| 54 | |
| 55 | template<> struct HbPtrDeleter<hb_face_t> { |
| 56 | void operator()(hb_face_t* ptr) const |
| 57 | { |
| 58 | hb_face_destroy(ptr); |
| 59 | } |
| 60 | }; |
| 61 | |
| 62 | } // namespace WebCore |
| 63 | |
| 64 | using WebCore::HbUniquePtr; |
| 65 | |
| 66 | #endif // USE(HARFBUZZ) |
| 67 | |