fontcache.h

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00001 /* $Id: fontcache.h 20430 2010-08-09 21:48:19Z rubidium $ */
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 void ResetFontSizes();
00027 
00028 #ifdef WITH_FREETYPE
00029 
00030 struct FreeTypeSettings {
00031   char small_font[MAX_PATH];
00032   char medium_font[MAX_PATH];
00033   char large_font[MAX_PATH];
00034   uint small_size;
00035   uint medium_size;
00036   uint large_size;
00037   bool small_aa;
00038   bool medium_aa;
00039   bool large_aa;
00040 };
00041 
00042 extern FreeTypeSettings _freetype;
00043 
00044 void InitFreeType();
00045 void UninitFreeType();
00046 const Sprite *GetGlyph(FontSize size, uint32 key);
00047 uint GetGlyphWidth(FontSize size, uint32 key);
00048 
00059 bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, int winlangid, const char *str);
00060 
00061 #else
00062 
00063 /* Stub for initializiation */
00064 static inline void InitFreeType() { ResetFontSizes(); }
00065 static inline void UninitFreeType() { ResetFontSizes(); }
00066 
00068 static inline const Sprite *GetGlyph(FontSize size, uint32 key)
00069 {
00070   SpriteID sprite = GetUnicodeGlyph(size, key);
00071   if (sprite == 0) sprite = GetUnicodeGlyph(size, '?');
00072   return GetSprite(sprite, ST_FONT);
00073 }
00074 
00075 
00077 static inline uint GetGlyphWidth(FontSize size, uint32 key)
00078 {
00079   SpriteID sprite = GetUnicodeGlyph(size, key);
00080   if (sprite == 0) sprite = GetUnicodeGlyph(size, '?');
00081   return SpriteExists(sprite) ? GetSprite(sprite, ST_FONT)->width + (size != FS_NORMAL) : 0;
00082 }
00083 
00084 #endif /* WITH_FREETYPE */
00085 
00086 #endif /* FONTCACHE_H */

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