fontcache.h

Go to the documentation of this file.
00001 /* $Id$ */
00002 
00003 /*
00004  * This file is part of OpenTTD.
00005  * 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.
00006  * 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.
00007  * 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/>.
00008  */
00009 
00012 #ifndef FONTCACHE_H
00013 #define FONTCACHE_H
00014 
00015 #include "spritecache.h"
00016 
00018 SpriteID GetUnicodeGlyph(FontSize size, uint32 key);
00019 
00021 void SetUnicodeGlyph(FontSize size, uint32 key, SpriteID sprite);
00022 
00024 void InitializeUnicodeGlyphMap();
00025 
00026 #ifdef WITH_FREETYPE
00027 
00028 struct FreeTypeSettings {
00029   char small_font[MAX_PATH];
00030   char medium_font[MAX_PATH];
00031   char large_font[MAX_PATH];
00032   char mono_font[MAX_PATH];
00033   uint small_size;
00034   uint medium_size;
00035   uint large_size;
00036   uint mono_size;
00037   bool small_aa;
00038   bool medium_aa;
00039   bool large_aa;
00040   bool mono_aa;
00041 };
00042 
00043 extern FreeTypeSettings _freetype;
00044 
00045 void InitFreeType(bool monospace);
00046 void UninitFreeType();
00047 void ClearFontCache();
00048 const Sprite *GetGlyph(FontSize size, uint32 key);
00049 uint GetGlyphWidth(FontSize size, uint32 key);
00050 bool GetDrawGlyphShadow();
00051 
00062 bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, int winlangid, class MissingGlyphSearcher *callback);
00063 
00064 #else
00065 
00066 /* Stub for initializiation */
00067 static inline void InitFreeType(bool monospace) { extern void ResetFontSizes(bool monospace); ResetFontSizes(monospace); }
00068 static inline void UninitFreeType() {}
00069 static inline void ClearFontCache() {}
00070 
00072 static inline const Sprite *GetGlyph(FontSize size, uint32 key)
00073 {
00074   SpriteID sprite = GetUnicodeGlyph(size, key);
00075   if (sprite == 0) sprite = GetUnicodeGlyph(size, '?');
00076   return GetSprite(sprite, ST_FONT);
00077 }
00078 
00079 
00081 static inline uint GetGlyphWidth(FontSize size, uint32 key)
00082 {
00083   SpriteID sprite = GetUnicodeGlyph(size, key);
00084   if (sprite == 0) sprite = GetUnicodeGlyph(size, '?');
00085   return SpriteExists(sprite) ? GetSprite(sprite, ST_FONT)->width + (size != FS_NORMAL) : 0;
00086 }
00087 
00088 static inline bool GetDrawGlyphShadow()
00089 {
00090   return false;
00091 }
00092 
00093 #endif /* WITH_FREETYPE */
00094 
00095 #endif /* FONTCACHE_H */