ft2_bitmap.hpp

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00001 /*****************************************************************************
00002  * ft2_bitmap.hpp
00003  *****************************************************************************
00004  * Copyright (C) 2003 the VideoLAN team
00005  * $Id$
00006  *
00007  * Authors: Cyril Deguet     <asmax@via.ecp.fr>
00008  *          Olivier Teulière <ipkiss@via.ecp.fr>
00009  *
00010  * This program 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 of the License, or
00013  * (at your option) any later version.
00014  *
00015  * This program is distributed in the hope that it will be useful,
00016  * but WITHOUT ANY WARRANTY; without even the implied warranty of
00017  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
00018  * GNU General Public License for more details.
00019  *
00020  * You should have received a copy of the GNU General Public License
00021  * along with this program; if not, write to the Free Software
00022  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston MA 02110-1301, USA.
00023  *****************************************************************************/
00024 
00025 #ifndef FT2_BITMAP_HPP
00026 #define FT2_BITMAP_HPP
00027 
00028 #include <ft2build.h>
00029 #include FT_FREETYPE_H
00030 
00031 #include "generic_bitmap.hpp"
00032 
00033 
00034 /// Class for rendering freetype glyphs on a bitmap
00035 class FT2Bitmap: public GenericBitmap
00036 {
00037     public:
00038         /// Create an empty bitmap
00039         FT2Bitmap( intf_thread_t *pIntf, int width, int height );
00040 
00041         virtual ~FT2Bitmap();
00042 
00043         /// Get the width of the bitmap
00044         virtual int getWidth() const { return m_width; }
00045 
00046         /// Get the heighth of the bitmap
00047         virtual int getHeight() const { return m_height; }
00048 
00049         /// Get a linear buffer containing the image data.
00050         /// Each pixel is stored in 4 bytes in the order B,G,R,A
00051         virtual uint8_t *getData() const { return m_pData; }
00052 
00053         /// Render a glyph on the bitmap at the given position
00054         void draw( const FT_Bitmap &rBitmap, int left, int top,
00055                    uint32_t color );
00056 
00057     private:
00058         /// Bitmap size
00059         int m_width, m_height;
00060         /// Image data buffer
00061         uint8_t *m_pData;
00062 };
00063 
00064 
00065 #endif

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