ft2_font.hpp
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midi
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Unix_Linux
- /*****************************************************************************
- * ft2_font.hpp
- *****************************************************************************
- * Copyright (C) 2003 the VideoLAN team
- * $Id: b975e643bdc12516e8bb6455a5da8739586213e6 $
- *
- * Authors: Cyril Deguet <asmax@via.ecp.fr>
- * Olivier Teulière <ipkiss@via.ecp.fr>
- *
- * This program 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; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program 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. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
- *****************************************************************************/
- #ifndef FT2_FONT_HPP
- #define FT2_FONT_HPP
- #include <ft2build.h>
- #include FT_FREETYPE_H
- #include FT_GLYPH_H
- #include <string>
- #include <map>
- #include "generic_font.hpp"
- class UString;
- /// Freetype2 font
- class FT2Font: public GenericFont
- {
- public:
- FT2Font( intf_thread_t *pIntf, const string &rName, int size );
- virtual ~FT2Font();
- /// Initialize the object. Returns false if it failed
- virtual bool init();
- /// Render a string on a bitmap.
- /// If maxWidth != -1, the text is truncated with '...'
- virtual GenericBitmap *drawString( const UString &rString,
- uint32_t color, int maxWidth = -1 ) const;
- /// Get the text height
- virtual int getSize() const { return m_height; }
- private:
- typedef struct
- {
- FT_Glyph m_glyph;
- FT_BBox m_size;
- int m_index;
- int m_advance;
- } Glyph_t;
- typedef map<uint32_t,Glyph_t> GlyphMap_t;
- /// File name
- const string m_name;
- /// Buffer to store the font
- void *m_buffer;
- /// Pixel size of the font
- int m_size;
- /// Handle to FT library
- FT_Library m_lib;
- /// Font face
- FT_Face m_face;
- /// Font metrics
- int m_height, m_ascender, m_descender;
- /// Glyph cache
- mutable GlyphMap_t m_glyphCache;
- /// Get the glyph corresponding to the given code
- Glyph_t &getGlyph( uint32_t code ) const;
- };
- #endif