fontcache.h

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00001 /* $Id: fontcache.h 23275 2011-11-20 11:59:36Z 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 #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 const Sprite *GetGlyph(FontSize size, uint32 key);
00048 uint GetGlyphWidth(FontSize size, uint32 key);
00049 bool GetDrawGlyphShadow();
00050 
00061 bool SetFallbackFont(FreeTypeSettings *settings, const char *language_isocode, int winlangid, class MissingGlyphSearcher *callback);
00062 
00063 #else
00064 
00065 /* Stub for initializiation */
00066 static inline void InitFreeType(bool monospace) { extern void ResetFontSizes(bool monospace); ResetFontSizes(monospace); }
00067 static inline void UninitFreeType() {}
00068 
00070 static inline const Sprite *GetGlyph(FontSize size, uint32 key)
00071 {
00072   SpriteID sprite = GetUnicodeGlyph(size, key);
00073   if (sprite == 0) sprite = GetUnicodeGlyph(size, '?');
00074   return GetSprite(sprite, ST_FONT);
00075 }
00076 
00077 
00079 static inline uint GetGlyphWidth(FontSize size, uint32 key)
00080 {
00081   SpriteID sprite = GetUnicodeGlyph(size, key);
00082   if (sprite == 0) sprite = GetUnicodeGlyph(size, '?');
00083   return SpriteExists(sprite) ? GetSprite(sprite, ST_FONT)->width + (size != FS_NORMAL) : 0;
00084 }
00085 
00086 static inline bool GetDrawGlyphShadow()
00087 {
00088   return false;
00089 }
00090 
00091 #endif /* WITH_FREETYPE */
00092 
00093 #endif /* FONTCACHE_H */