98 lines
2.8 KiB
C++
98 lines
2.8 KiB
C++
// NeL - MMORPG Framework <http://dev.ryzom.com/projects/nel/>
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// Copyright (C) 2010 Winch Gate Property Limited
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU Affero General Public License as
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// published by the Free Software Foundation, either version 3 of the
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// License, or (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU Affero General Public License for more details.
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//
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// You should have received a copy of the GNU Affero General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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#ifndef NL_FONT_GENERATOR_H
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#define NL_FONT_GENERATOR_H
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//#define NL_DONT_USE_EXTERNAL_CODE
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#undef NL_DONT_USE_EXTERNAL_CODE
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#ifndef NL_DONT_USE_EXTERNAL_CODE
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#include <ft2build.h>
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#include FT_FREETYPE_H
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#else // NL_DONT_USE_EXTERNAL_CODE
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#endif // NL_DONT_USE_EXTERNAL_CODE
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#include "nel/misc/types_nl.h"
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#include <string>
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namespace NL3D {
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/**
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* Generate bitmap based on a true type font (using freetype2)
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* \author Vianney Lecroart
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* \author Nevrax France
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* \date 2000
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*/
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class CFontGenerator
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{
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public:
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/** Constructor
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* \param fontFileName path+filename (ex: "c:\winnt\fonts\arial.ttf")
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*/
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CFontGenerator (const std::string &fontFileName, const std::string &fontExFileName = "");
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virtual ~CFontGenerator ();
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/** generate and return a bitmap
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* \param c the unicode char
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* \param size size of the generated font in ??? format
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* \param width width of the generated bitmap, this value is set by this function
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* \param height height of the generated bitmap, this value is set by this function
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* \param pitch pitch of the generated bitmap (+ or - the number of bytes per row), this value is set by this function
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*/
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uint8 *getBitmap (ucchar c, uint32 size, uint32 &width, uint32 &height, uint32 &pitch, sint32 &left, sint32 &top, sint32 &advx, uint32 &glyphIndex);
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/** returns the width and height of a character using a specific size and
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*
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* \warning this function is not very fast (but faster than getBitmap()) because it has to load the char before.
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*/
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void getSizes (ucchar c, uint32 size, uint32 &width, uint32 &height);
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void getKerning (ucchar left, ucchar right, sint32 &kernx);
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uint32 getCharIndex (ucchar c);
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uint32 getUID() { return _UID; }
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private:
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static uint32 _FontGeneratorCounterUID;
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uint32 _UID;
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std::string _FontFileName;
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#ifndef NL_DONT_USE_EXTERNAL_CODE
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const char *getFT2Error(FT_Error fte);
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static FT_Library _Library;
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static uint _LibraryInit;
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FT_Face _Face;
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#else // NL_DONT_USE_EXTERNAL_CODE
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#endif // NL_DONT_USE_EXTERNAL_CODE
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};
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} // NL3D
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#endif // NL_FONT_GENERATOR_H
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/* End of font_generator.h */
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