/*****************************************************************************
* bitmap_font.hpp
*****************************************************************************
* Copyright (C) 2004 the VideoLAN team
*
* Authors: Cyril Deguet <asmax@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 BITMAP_FONT_HPP
#define BITMAP_FONT_HPP
#include "generic_font.hpp"
#include <string>
class GenericBitmap;
/// Class to handle bitmap fonts
class BitmapFont: public GenericFont
{
public:
BitmapFont( intf_thread_t *pIntf, const GenericBitmap &rBitmap,
const std::string &rType );
virtual ~BitmapFont() { }
virtual bool init() { return true; }
/// 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 font size
virtual int getSize() const { return m_height; }
private:
/// Description of a glyph
struct Glyph_t
{
Glyph_t(): m_xPos( -1 ), m_yPos( 0 ) { }
int m_xPos, m_yPos;
};
/// Bitmap
const GenericBitmap &m_rBitmap;
/// Glyph size
int m_width, m_height;
/// Horizontal advance between two characters
int m_advance;
/// Horizontal advance for non-displayable characters
int m_skip;
/// Character table
Glyph_t m_table[256];
};
#endif
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