| /* |
| * Copyright 2017 Google Inc. |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| #ifndef TXT_FUCHSIA_FONT_MANAGER_H_ |
| #define TXT_FUCHSIA_FONT_MANAGER_H_ |
| |
| #include <fuchsia/fonts/cpp/fidl.h> |
| #include <memory> |
| |
| #include "lib/fxl/macros.h" |
| #include "third_party/skia/include/core/SkFontMgr.h" |
| #include "third_party/skia/include/core/SkStream.h" |
| #include "third_party/skia/include/core/SkTypeface.h" |
| |
| namespace txt { |
| |
| class FuchsiaFontManager final : public SkFontMgr { |
| public: |
| FuchsiaFontManager(fuchsia::fonts::ProviderSyncPtr provider); |
| |
| ~FuchsiaFontManager() override; |
| |
| protected: |
| // |SkFontMgr| |
| int onCountFamilies() const override; |
| |
| // |SkFontMgr| |
| void onGetFamilyName(int index, SkString* familyName) const override; |
| |
| // |SkFontMgr| |
| SkFontStyleSet* onMatchFamily(const char familyName[]) const override; |
| |
| // |SkFontMgr| |
| SkFontStyleSet* onCreateStyleSet(int index) const override; |
| |
| // |SkFontMgr| |
| SkTypeface* onMatchFamilyStyle(const char familyName[], |
| const SkFontStyle&) const override; |
| |
| // |SkFontMgr| |
| SkTypeface* onMatchFamilyStyleCharacter(const char familyName[], |
| const SkFontStyle&, |
| const char* bcp47[], int bcp47Count, |
| SkUnichar character) const override; |
| // |SkFontMgr| |
| SkTypeface* onMatchFaceStyle(const SkTypeface*, |
| const SkFontStyle&) const override; |
| |
| // |SkFontMgr| |
| sk_sp<SkTypeface> onMakeFromData(sk_sp<SkData>, int ttcIndex) const override; |
| |
| // |SkFontMgr| |
| sk_sp<SkTypeface> onMakeFromStreamIndex(std::unique_ptr<SkStreamAsset>, |
| int ttcIndex) const override; |
| |
| // |SkFontMgr| |
| sk_sp<SkTypeface> onMakeFromStreamArgs(std::unique_ptr<SkStreamAsset>, |
| const SkFontArguments&) const override; |
| |
| // |SkFontMgr| |
| sk_sp<SkTypeface> onMakeFromFile(const char path[], |
| int ttcIndex) const override; |
| |
| // |SkFontMgr| |
| sk_sp<SkTypeface> onLegacyMakeTypeface(const char familyName[], |
| SkFontStyle) const override; |
| |
| private: |
| class TypefaceCache; |
| class FontStyleSet; |
| friend class FontStyleSet; |
| |
| sk_sp<SkTypeface> FetchTypeface(const char family_name[], |
| const SkFontStyle& style, const char* bcp47[], |
| int bcp47_count, SkUnichar character, |
| uint32_t flags = 0) const; |
| |
| mutable fuchsia::fonts::ProviderSyncPtr font_provider_; |
| std::unique_ptr<TypefaceCache> typeface_cache_; |
| |
| FXL_DISALLOW_COPY_AND_ASSIGN(FuchsiaFontManager); |
| }; |
| |
| } // namespace txt |
| |
| #endif // TXT_FUCHSIA_FONT_MANAGER_H_ |