nevrax.org : docs

00001 
00007 /* Copyright, 2000 Nevrax Ltd.
00008  *
00009  * This file is part of NEVRAX NEL.
00010  * NEVRAX NEL is free software; you can redistribute it and/or modify
00011  * it under the terms of the GNU General Public License as published by
00012  * the Free Software Foundation; either version 2, or (at your option)
00013  * any later version.
00014 
00015  * NEVRAX NEL is distributed in the hope that it will be useful, but
00016  * WITHOUT ANY WARRANTY; without even the implied warranty of
00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
00018  * General Public License for more details.
00019 
00020  * You should have received a copy of the GNU General Public License
00021  * along with NEVRAX NEL; see the file COPYING. If not, write to the
00022  * Free Software Foundation, Inc., 59 Temple Place - Suite 330, Boston,
00023  * MA 02111-1307, USA.
00024  */
00025 
00026 #ifndef NL_FONT_GENERATOR_H
00027 #define NL_FONT_GENERATOR_H
00028 
00029 //#define NL_DONT_USE_EXTERNAL_CODE
00030 #undef NL_DONT_USE_EXTERNAL_CODE
00031 
00032 #ifndef NL_DONT_USE_EXTERNAL_CODE
00033 #       include <freetype/freetype.h>
00034 #else // NL_DONT_USE_EXTERNAL_CODE
00035 
00036 #endif // NL_DONT_USE_EXTERNAL_CODE
00037 
00038 #include "nel/misc/types_nl.h"
00039 #include <string>
00040 
00041 
00042 namespace NL3D {
00043 
00044 
00051 class CFontGenerator
00052 {
00053 public:
00054 
00058         CFontGenerator (const std::string &fontFileName, const std::string &fontExFileName = "");
00059 
00060         virtual ~CFontGenerator ();
00061 
00069         uint8   *getBitmap (ucchar c, uint32 size, uint32 &width, uint32 &height, uint32 &pitch, sint32 &left, sint32 &top, sint32 &advx, uint32 &glyphIndex);
00070 
00075         void     getSizes (ucchar c, uint32 size, uint32 &width, uint32 &height);
00076 
00077         void     getKerning (ucchar left, ucchar right, sint32 &kernx);
00078 
00079         uint32   getCharIndex (ucchar c);
00080 
00081         std::string     FontFileName;
00082 private:
00083 
00084 #ifndef NL_DONT_USE_EXTERNAL_CODE
00085         const char                      *getFT2Error(FT_Error fte);
00086 
00087         static FT_Library       _Library;
00088         static bool                     _LibraryInit;
00089 
00090         FT_Face                         _Face;
00091 #else // NL_DONT_USE_EXTERNAL_CODE
00092 
00093 #endif // NL_DONT_USE_EXTERNAL_CODE
00094 };
00095 
00096 
00097 
00104 struct CFontDescriptor 
00105 {
00106         CFontGenerator *FontGen;
00107         ucchar C;
00108         uint32 Size;
00109         
00115         CFontDescriptor(CFontGenerator *fg, ucchar c, uint32 sz): FontGen(fg),C(c),Size(sz) { }
00116         
00120         bool operator< (const CFontDescriptor& desc) const
00121         {
00122                 if (FontGen->FontFileName<desc.FontGen->FontFileName)
00123                         return true;
00124                 if (FontGen->FontFileName>desc.FontGen->FontFileName)
00125                         return false;
00126                 if (C<desc.C)
00127                         return true;
00128                 if (C>desc.C)
00129                         return false;
00130                 return Size<desc.Size;
00131         }
00132 };
00133 
00134 
00135 } // NL3D
00136 
00137 
00138 #endif // NL_FONT_GENERATOR_H
00139 
00140 /* End of font_generator.h */