mirror of https://github.com/OpenTTD/OpenTTD.git
39 lines
1.7 KiB
C++
39 lines
1.7 KiB
C++
/*
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* This file is part of OpenTTD.
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* OpenTTD is free software; you can redistribute it and/or modify it under the terms of the GNU General Public License as published by the Free Software Foundation, version 2.
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* OpenTTD is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
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* See the GNU General Public License for more details. You should have received a copy of the GNU General Public License along with OpenTTD. If not, see <http://www.gnu.org/licenses/>.
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*/
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/** @file spritefontcache.h Sprite font cache implementation definition. */
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#ifndef SPRITEFONTCACHE_H
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#define SPRITEFONTCACHE_H
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#include "../string_func.h"
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#include "../fontcache.h"
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/** Font cache for fonts that are based on a freetype font. */
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class SpriteFontCache : public FontCache {
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private:
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SpriteID **glyph_to_spriteid_map; ///< Mapping of glyphs to sprite IDs.
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SpriteID GetUnicodeGlyph(char32_t key);
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void ClearGlyphToSpriteMap();
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public:
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SpriteFontCache(FontSize fs);
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~SpriteFontCache();
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void SetUnicodeGlyph(char32_t key, SpriteID sprite) override;
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void InitializeUnicodeGlyphMap() override;
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void ClearFontCache() override;
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const Sprite *GetGlyph(GlyphID key) override;
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uint GetGlyphWidth(GlyphID key) override;
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bool GetDrawGlyphShadow() override;
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GlyphID MapCharToGlyph(char32_t key, [[maybe_unused]] bool allow_fallback = true) override { assert(IsPrintable(key)); return SPRITE_GLYPH | key; }
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const void *GetFontTable(uint32_t, size_t &length) override { length = 0; return nullptr; }
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std::string GetFontName() override { return "sprite"; }
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bool IsBuiltInFont() override { return true; }
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};
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#endif /* SPRITEFONTCACHE_H */
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