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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 #include <freetype/freetype.h>
00030 
00031 #include "nel/misc/types_nl.h"
00032 #include <string>
00033 
00034 #ifdef NL_OS_WINDOWS
00035 // automatically add the freetype library if you use CFontGenerator class
00036 #pragma comment(lib, "freetype.lib")
00037 #endif
00038 
00039 
00040 namespace NL3D {
00041 
00042 
00049 class CFontGenerator
00050 {
00051 public:
00052 
00056         CFontGenerator (const std::string &fontFileName, const std::string &fontExFileName = "");
00057 
00065         uint8   *getBitmap (ucchar c, uint32 size, uint32 &width, uint32 &height, uint32 &pitch, sint32 &left, sint32 &top, sint32 &advx, uint32 &glyphIndex);
00066 
00067         void     getKerning (ucchar left, ucchar right, sint32 &kernx);
00068 
00069         uint32   getCharIndex (ucchar c);
00070 
00071         std::string     FontFileName;
00072 private:
00073 
00074         const char                      *getFT2Error(FT_Error fte);
00075 
00076         static FT_Library       _Library;
00077         static bool                     _LibraryInit;
00078 
00079         FT_Face                         _Face;
00080 };
00081 
00082 
00083 
00090 struct CFontDescriptor 
00091 {
00092         CFontGenerator *FontGen;
00093         ucchar C;
00094         uint32 Size;
00095         
00101         CFontDescriptor(CFontGenerator *fg, ucchar c, uint32 sz): FontGen(fg),C(c),Size(sz) { }
00102         
00106         bool operator< (const CFontDescriptor& desc) const
00107         {
00108                 if (FontGen->FontFileName<desc.FontGen->FontFileName)
00109                         return true;
00110                 if (FontGen->FontFileName>desc.FontGen->FontFileName)
00111                         return false;
00112                 if (C<desc.C)
00113                         return true;
00114                 if (C>desc.C)
00115                         return false;
00116                 return Size<desc.Size;
00117         }
00118 };
00119 
00120 
00121 } // NL3D
00122 
00123 
00124 #endif // NL_FONT_GENERATOR_H
00125 
00126 /* End of font_generator.h */