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/*
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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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virtual void SetUnicodeGlyph(char32_t key, SpriteID sprite);
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virtual void InitializeUnicodeGlyphMap();
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virtual void ClearFontCache();
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virtual const Sprite *GetGlyph(GlyphID key);
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virtual uint GetGlyphWidth(GlyphID key);
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virtual bool GetDrawGlyphShadow();
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virtual GlyphID MapCharToGlyph(char32_t key) { assert(IsPrintable(key)); return SPRITE_GLYPH | key; }
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virtual const void *GetFontTable(uint32_t tag, size_t &length) { length = 0; return nullptr; }
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virtual std::string GetFontName() { return "sprite"; }
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virtual bool IsBuiltInFont() { return true; }
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};
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#endif /* SPRITEFONTCACHE_H */
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