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| 1 // Copyright 2015 The Chromium Authors. All rights reserved. | 1 // Copyright 2015 The Chromium Authors. All rights reserved. |
| 2 // Use of this source code is governed by a BSD-style license that can be | 2 // Use of this source code is governed by a BSD-style license that can be |
| 3 // found in the LICENSE file. | 3 // found in the LICENSE file. |
| 4 | 4 |
| 5 #include "components/font_service/public/cpp/mapped_font_file.h" | 5 #include "components/font_service/public/cpp/mapped_font_file.h" |
| 6 | 6 |
| 7 #include <utility> | 7 #include <utility> |
| 8 | 8 |
| 9 #include "base/files/file_util.h" | 9 #include "base/files/file_util.h" |
| 10 #include "base/threading/thread_restrictions.h" | 10 #include "base/threading/thread_restrictions.h" |
| 11 #include "skia/ext/refptr.h" | |
| 12 #include "skia/ext/skia_utils_base.h" | 11 #include "skia/ext/skia_utils_base.h" |
| 13 #include "third_party/skia/include/core/SkData.h" | 12 #include "third_party/skia/include/core/SkData.h" |
| 13 #include "third_party/skia/include/core/SkRefCnt.h" |
| 14 #include "third_party/skia/include/core/SkStream.h" | 14 #include "third_party/skia/include/core/SkStream.h" |
| 15 | 15 |
| 16 namespace font_service { | 16 namespace font_service { |
| 17 namespace internal { | 17 namespace internal { |
| 18 | 18 |
| 19 MappedFontFile::MappedFontFile(uint32_t font_id) | 19 MappedFontFile::MappedFontFile(uint32_t font_id) |
| 20 : font_id_(font_id), observer_(nullptr) {} | 20 : font_id_(font_id), observer_(nullptr) {} |
| 21 | 21 |
| 22 bool MappedFontFile::Initialize(base::File file) { | 22 bool MappedFontFile::Initialize(base::File file) { |
| 23 base::ThreadRestrictions::ScopedAllowIO allow_mmap; | 23 base::ThreadRestrictions::ScopedAllowIO allow_mmap; |
| 24 return mapped_font_file_.Initialize(std::move(file)); | 24 return mapped_font_file_.Initialize(std::move(file)); |
| 25 } | 25 } |
| 26 | 26 |
| 27 SkMemoryStream* MappedFontFile::CreateMemoryStream() { | 27 SkMemoryStream* MappedFontFile::CreateMemoryStream() { |
| 28 DCHECK(mapped_font_file_.IsValid()); | 28 DCHECK(mapped_font_file_.IsValid()); |
| 29 auto data = skia::AdoptRef( | 29 sk_sp<SkData> data = |
| 30 SkData::NewWithProc(mapped_font_file_.data(), mapped_font_file_.length(), | 30 SkData::MakeWithProc(mapped_font_file_.data(), mapped_font_file_.length(), |
| 31 &MappedFontFile::ReleaseProc, this)); | 31 &MappedFontFile::ReleaseProc, this); |
| 32 if (!data) | 32 if (!data) |
| 33 return nullptr; | 33 return nullptr; |
| 34 AddRef(); | 34 AddRef(); |
| 35 return new SkMemoryStream(data.get()); | 35 return new SkMemoryStream(std::move(data)); |
| 36 } | 36 } |
| 37 | 37 |
| 38 MappedFontFile::~MappedFontFile() { | 38 MappedFontFile::~MappedFontFile() { |
| 39 if (observer_) | 39 if (observer_) |
| 40 observer_->OnMappedFontFileDestroyed(this); | 40 observer_->OnMappedFontFileDestroyed(this); |
| 41 } | 41 } |
| 42 | 42 |
| 43 // static | 43 // static |
| 44 void MappedFontFile::ReleaseProc(const void* ptr, void* context) { | 44 void MappedFontFile::ReleaseProc(const void* ptr, void* context) { |
| 45 base::ThreadRestrictions::ScopedAllowIO allow_munmap; | 45 base::ThreadRestrictions::ScopedAllowIO allow_munmap; |
| 46 static_cast<MappedFontFile*>(context)->Release(); | 46 static_cast<MappedFontFile*>(context)->Release(); |
| 47 } | 47 } |
| 48 | 48 |
| 49 } // namespace internal | 49 } // namespace internal |
| 50 } // namespace font_service | 50 } // namespace font_service |
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