45 lines
1.5 KiB
C++
45 lines
1.5 KiB
C++
/*
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* This Source Code Form is subject to the terms of the Mozilla Public
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* License, v. 2.0. If a copy of the MPL was not distributed with this
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* file, You can obtain one at https://mozilla.org/MPL/2.0/.
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*/
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#pragma once
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#include "FontAtlas.hpp"
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#include "SubpixelLayout.hpp"
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#include "Data/Containers/Array.hpp"
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namespace OpenVulkano::Scene
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{
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class FontAtlasFactory final
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{
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struct FontIdentifier
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{
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FontIdentifier(const std::string& font_, const std::set<uint32_t>& charset, SubpixelLayout subpixelLayout_,
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float ptSize_, FontAtlasType atlasType_);
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bool operator<(const FontIdentifier& other) const;
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std::string font;
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uint32_t charsetHash = 0;
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SubpixelLayout subpixelLayout = SubpixelLayout::UNKNOWN;
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float ptSize = 0;
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FontAtlasType atlasType;
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};
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public:
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FontAtlasFactory(bool allowSystemFonts = true) : m_allowSystemFonts(allowSystemFonts) {}
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[[nodiscard]] FontAtlas::Ptr GetFontAtlasScalable(const std::string& fontIdentifier, bool msdf = true,
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const std::set<uint32_t>& charset = {}) const;
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[[nodiscard]] FontAtlas::Ptr GetFontAtlas(const std::string& fontIdentifier, float ptSize,
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SubpixelLayout subpixelLayout = SubpixelLayout::UNKNOWN,
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const std::set<uint32_t>& charset = {}) const;
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private:
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Array<char> FindFont(const std::string& fontFile) const;
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private:
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const bool m_allowSystemFonts;
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mutable std::map<FontIdentifier, FontAtlas::Ptr> m_atlasesCache;
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};
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}
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