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 OHOS_ROSEN_FONT_DESCRIPTOR_CACHE_H 17 #define OHOS_ROSEN_FONT_DESCRIPTOR_CACHE_H 18 19 #include <memory> 20 #include <mutex> 21 #include <set> 22 #include <unordered_map> 23 #include <unordered_set> 24 #include <vector> 25 26 #include "font_config.h" 27 #include "font_parser.h" 28 29 namespace OHOS::Rosen { 30 using FontDescSharedPtr = std::shared_ptr<TextEngine::FontParser::FontDescriptor>; 31 class FontDescriptorCache { 32 public: 33 FontDescriptorCache(); 34 ~FontDescriptorCache(); 35 void ParserSystemFonts(); 36 void ParserStylishFonts(); 37 void MatchFromFontDescriptor(FontDescSharedPtr desc, std::set<FontDescSharedPtr>& result); 38 void ClearFontFileCache(); 39 void Dump() const; 40 void GetFontDescSharedPtrByFullName(const std::string& fullName, 41 int32_t systemFontType, FontDescSharedPtr& result); 42 void GetSystemFontFullNamesByType(int32_t systemFontType, std::unordered_set<std::string>& fontList); 43 void CacheDynamicTypeface(std::shared_ptr<Drawing::Typeface> typeface, const std::string &familyName); 44 void DeleteDynamicTypefaceFromCache(const std::string &familyName); 45 46 private: 47 void FontDescriptorScatter(FontDescSharedPtr desc); 48 bool ParserInstallFontsPathList(std::vector<std::string>& fontPathList); 49 static bool ParserInstallFontsPathList(TextEngine::FullNameToPath& fontPathList); 50 static bool ProcessSystemFontType(int32_t systemFontType, int32_t& fontType); 51 bool ParseInstallFontDescSharedPtrByName(const std::string& fullName, FontDescSharedPtr& result) const; 52 std::unordered_set<std::string> GetInstallFontList(); 53 std::unordered_set<std::string> GetStylishFontList(); 54 std::unordered_set<std::string> GetGenericFontList(); 55 std::unordered_set<std::string> GetDynamicFontList(); 56 bool HandleMapIntersection(std::set<FontDescSharedPtr>& finishRet, const std::string& name, 57 std::unordered_map<std::string, std::set<FontDescSharedPtr>>& map); 58 bool FilterBoldCache(int weight, std::set<FontDescSharedPtr>& finishRet); 59 bool FilterWidthCache(int width, std::set<FontDescSharedPtr>& finishRet); 60 bool FilterItalicCache(int italic, std::set<FontDescSharedPtr>& finishRet); 61 bool FilterMonoSpaceCache(bool monoSpace, std::set<FontDescSharedPtr>& finishRet); 62 bool FilterSymbolicCache(bool symbolic, std::set<FontDescSharedPtr>& finishRet); 63 bool IsDefault(FontDescSharedPtr desc); 64 static int32_t WeightAlignment(int32_t weight); 65 static bool GetFontTypeFromParams(const std::string& fullName, 66 int32_t systemFontType, int32_t& fontType); 67 void ParserFontsByFontType(int32_t fontType); 68 69 private: 70 TextEngine::FontParser parser_; 71 72 struct FontDescriptorEqual { operatorFontDescriptorEqual73 bool operator()(const FontDescSharedPtr& lhs, const FontDescSharedPtr& rhs) const 74 { 75 if (lhs->fontFamily == rhs->fontFamily) { 76 return lhs->fullName < rhs->fullName; 77 } 78 return lhs->fontFamily < rhs->fontFamily; 79 } 80 }; 81 std::set<FontDescSharedPtr, FontDescriptorEqual> allFontDescriptor_; 82 std::unordered_map<std::string, std::set<FontDescSharedPtr>> fontFamilyMap_; 83 std::unordered_map<std::string, std::set<FontDescSharedPtr>> fullNameMap_; 84 std::unordered_map<std::string, std::set<FontDescSharedPtr>> postScriptNameMap_; 85 std::unordered_map<std::string, std::set<FontDescSharedPtr>> fontSubfamilyNameMap_; 86 // cache dynamic ttf, key is familyName 87 std::unordered_map<std::string, FontDescSharedPtr> dynamicFullNameMap_; 88 std::set<FontDescSharedPtr> boldCache_; 89 std::set<FontDescSharedPtr> italicCache_; 90 std::set<FontDescSharedPtr> monoSpaceCache_; 91 std::set<FontDescSharedPtr> symbolicCache_; 92 std::unordered_map<std::string, std::set<FontDescSharedPtr>> stylishFullNameMap_; 93 std::mutex mutex_; 94 }; 95 } // namespace OHOS::Rosen 96 97 #endif // OHOS_ROSEN_FONT_DESCRIPTOR_CACHE_H