OpenTTD Source  20241120-master-g6d3adc6169
spritefontcache.h
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1 /*
2  * This file is part of OpenTTD.
3  * 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.
4  * 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.
5  * 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/>.
6  */
7 
10 #ifndef SPRITEFONTCACHE_H
11 #define SPRITEFONTCACHE_H
12 
13 #include "../string_func.h"
14 #include "../fontcache.h"
15 
17 class SpriteFontCache : public FontCache {
18 public:
20  void SetUnicodeGlyph(char32_t key, SpriteID sprite) override;
21  void InitializeUnicodeGlyphMap() override;
22  void ClearFontCache() override;
23  const Sprite *GetGlyph(GlyphID key) override;
24  uint GetGlyphWidth(GlyphID key) override;
25  bool GetDrawGlyphShadow() override;
26  GlyphID MapCharToGlyph(char32_t key, bool allow_fallback = true) override;
27  std::string GetFontName() override { return "sprite"; }
28  bool IsBuiltInFont() override { return true; }
29 
30 private:
31  std::unordered_map<GlyphID, SpriteID> glyph_to_spriteid_map{};
33 };
34 
35 #endif /* SPRITEFONTCACHE_H */
Font cache for basic fonts.
Definition: fontcache.h:21
const FontSize fs
The size of the font.
Definition: fontcache.h:25
Font cache for fonts that are based on a freetype font.
SpriteFontCache(FontSize fs)
Create a new sprite font cache.
uint GetGlyphWidth(GlyphID key) override
Get the width of the glyph with the given key.
void InitializeUnicodeGlyphMap() override
Initialize the glyph map.
GlyphID MapCharToGlyph(char32_t key, bool allow_fallback=true) override
Map a character into a glyph.
SpriteID GetUnicodeGlyph(GlyphID key)
Get SpriteID associated with a GlyphID.
std::unordered_map< GlyphID, SpriteID > glyph_to_spriteid_map
Mapping of glyphs to sprite IDs.
bool GetDrawGlyphShadow() override
Do we need to draw a glyph shadow?
std::string GetFontName() override
Get the name of this font.
void SetUnicodeGlyph(char32_t key, SpriteID sprite) override
Map a SpriteID to the key.
void ClearFontCache() override
Clear the font cache.
const Sprite * GetGlyph(GlyphID key) override
Get the glyph (sprite) of the given key.
bool IsBuiltInFont() override
Is this a built-in sprite font?
uint32_t GlyphID
Glyphs are characters from a font.
Definition: fontcache.h:17
uint32_t SpriteID
The number of a sprite, without mapping bits and colourtables.
Definition: gfx_type.h:18
FontSize
Available font sizes.
Definition: gfx_type.h:208
Data structure describing a sprite.
Definition: spritecache.h:17