Method FontData

src/FontData.cpp:49–112

#include <filesystem>

FontData::FontData()
{

#ifdef __EMSCRIPTEN__
    defaultFontMgr = SkFontMgr_New_Custom_Directory("data/fonts");
#elif __ANDROID__
    {
        std::vector<sk_sp<SkData>> fontFiles;
        int globCount;
        std::filesystem::path fontFolderPath("data/fonts");
        char** filesInPath = SDL_GlobDirectory(fontFolderPath.c_str(), nullptr, 0, &globCount);
        if(filesInPath) {
            for(int i = 0; i < globCount; i++) {
                std::filesystem::path filePath = fontFolderPath / std::filesystem::path(filesInPath[i]);
                SDL_PathInfo fileInfo;
                if(SDL_GetPathInfo(filePath.c_str(), &fileInfo) && fileInfo.type == SDL_PATHTYPE_FILE) {
                    std::string strData = read_file_to_string(filePath);
                    fontFiles.emplace_back(SkData::MakeWithCopy(strData.data(), strData.size()));
                }
            }
            SDL_free(filesInPath);
            defaultFontMgr = SkFontMgr_New_Custom_Data(SkSpan(fontFiles.data(), fontFiles.size()));
        }
    }
    localFontMgr = SkFontMgr_New_AndroidNDK(true, SkFontScanner_Make_FreeType());
#elif __APPLE__
    for(const auto& dirEntry : std::filesystem::recursive_directory_iterator("data/fonts")) {
        if(dirEntry.is_regular_file()) {
            std::string urlStr = std::string(std::filesystem::canonical(dirEntry.path()).string());
            CFURLRef fontURL = CFURLCreateFromFileSystemRepresentation(kCFAllocatorDefault, reinterpret_cast<const UInt8*>(urlStr.c_str()), urlStr.size(), false);
            CTFontManagerRegisterFontsForURL(fontURL, CTFontManagerScope::kCTFontManagerScopeProcess, nullptr);
            CFRelease(fontURL);
        }
    }
    defaultFontMgr = SkFontMgr_New_CoreText(nullptr);
#elif _WIN32
    localFontMgr = SkFontMgr_New_DirectWrite();
    std::vector<std::wstring> fontPaths;
    for(const auto& dirEntry : std::filesystem::recursive_directory_iterator(std::filesystem::path(L"data\\fonts"))) {
        if(dirEntry.is_regular_file())
            fontPaths.emplace_back(dirEntry.path().wstring());
    }
    fontSetManagerWindows.CreateFontSetUsingLocalFontFiles(fontPaths);
    fontSetManagerWindows.CreateFontCollectionFromFontSet();

    IDWriteFactory* fac = fontSetManagerWindows.IDWriteFactory5_IsAvailable() ? fontSetManagerWindows.m_dwriteFactory5.Get() : fontSetManagerWindows.m_dwriteFactory3.Get();
    defaultFontMgr = SkFontMgr_New_DirectWrite(fac, fontSetManagerWindows.m_customFontCollection.Get());
#else
    localFontMgr = SkFontMgr_New_FontConfig(nullptr, SkFontScanner_Make_FreeType());
    defaultFontMgr = SkFontMgr_New_Custom_Directory("data/fonts");
#endif
    map["Roboto"] = defaultFontMgr->makeFromFile("data/fonts/Roboto-variable.ttf");

    collection = sk_make_sp<skia::textlayout::FontCollection>();
    collection->setDefaultFontManager(defaultFontMgr, std::vector<SkString>{SkString{"Roboto"}, SkString{"Noto Emoji"}, SkString{"Amiri"}});
    if(localFontMgr)
        collection->setDynamicFontManager(localFontMgr);
    std::string s = "🙂";