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Fix Windows 10 support for nearby font loading
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,96 @@ | ||
| // Copyright (c) Microsoft Corporation. | ||
| // Licensed under the MIT license. | ||
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| #pragma once | ||
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| namespace Microsoft::Console::Render::FontCache | ||
| { | ||
| namespace details | ||
| { | ||
| inline const std::vector<wil::com_ptr<IDWriteFontFile>>& getNearbyFontFiles(IDWriteFactory5* factory5) | ||
| { | ||
| static const auto fontFiles = [=]() { | ||
| std::vector<wil::com_ptr<IDWriteFontFile>> files; | ||
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| const std::filesystem::path module{ wil::GetModuleFileNameW<std::wstring>(nullptr) }; | ||
| const auto folder{ module.parent_path() }; | ||
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| for (const auto& p : std::filesystem::directory_iterator(folder)) | ||
| { | ||
| if (til::ends_with(p.path().native(), L".ttf")) | ||
| { | ||
| wil::com_ptr<IDWriteFontFile> fontFile; | ||
| if (SUCCEEDED_LOG(factory5->CreateFontFileReference(p.path().c_str(), nullptr, fontFile.addressof()))) | ||
| { | ||
| files.emplace_back(std::move(fontFile)); | ||
| } | ||
| } | ||
| } | ||
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| files.shrink_to_fit(); | ||
| return files; | ||
| }(); | ||
| return fontFiles; | ||
| } | ||
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| inline wil::com_ptr<IDWriteFontCollection> getFontCollection(bool forceUpdate) | ||
| { | ||
| wil::com_ptr<IDWriteFactory> factory; | ||
| THROW_IF_FAILED(DWriteCreateFactory(DWRITE_FACTORY_TYPE_SHARED, __uuidof(factory), reinterpret_cast<::IUnknown**>(factory.addressof()))); | ||
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| wil::com_ptr<IDWriteFontCollection> systemFontCollection; | ||
| THROW_IF_FAILED(factory->GetSystemFontCollection(systemFontCollection.addressof(), forceUpdate)); | ||
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| if constexpr (Feature_NearbyFontLoading::IsEnabled()) | ||
| { | ||
| // IDWriteFactory5 is supported since Windows 10, build 15021. | ||
| const auto factory5 = factory.try_query<IDWriteFactory5>(); | ||
| if (!factory5) | ||
| { | ||
| return systemFontCollection; | ||
| } | ||
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| const auto& nearbyFontFiles = getNearbyFontFiles(factory5.get()); | ||
| if (nearbyFontFiles.empty()) | ||
| { | ||
| return systemFontCollection; | ||
| } | ||
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| wil::com_ptr<IDWriteFontSet> systemFontSet; | ||
| // IDWriteFontCollection1 is supported since Windows 7. | ||
| THROW_IF_FAILED(systemFontCollection.query<IDWriteFontCollection1>()->GetFontSet(systemFontSet.addressof())); | ||
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| wil::com_ptr<IDWriteFontSetBuilder1> fontSetBuilder; | ||
| THROW_IF_FAILED(factory5->CreateFontSetBuilder(fontSetBuilder.addressof())); | ||
| THROW_IF_FAILED(fontSetBuilder->AddFontSet(systemFontSet.get())); | ||
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| for (const auto& file : nearbyFontFiles) | ||
| { | ||
| LOG_IF_FAILED(fontSetBuilder->AddFontFile(file.get())); | ||
| } | ||
|
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| wil::com_ptr<IDWriteFontSet> fontSet; | ||
| THROW_IF_FAILED(fontSetBuilder->CreateFontSet(fontSet.addressof())); | ||
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| wil::com_ptr<IDWriteFontCollection1> fontCollection; | ||
| THROW_IF_FAILED(factory5->CreateFontCollectionFromFontSet(fontSet.get(), fontCollection.addressof())); | ||
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| return std::move(fontCollection); | ||
| } | ||
| else | ||
| { | ||
| return systemFontCollection; | ||
| } | ||
| } | ||
| } | ||
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| inline wil::com_ptr<IDWriteFontCollection> GetCached() | ||
| { | ||
| return details::getFontCollection(false); | ||
| } | ||
|
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| inline wil::com_ptr<IDWriteFontCollection> GetFresh() | ||
| { | ||
| return details::getFontCollection(true); | ||
| } | ||
| } |
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