generic_font.hpp

来自「uclinux 下的vlc播放器源代码」· HPP 代码 · 共 59 行

/*****************************************************************************
 * generic_font.hpp
 *****************************************************************************
 * Copyright (C) 2003 the VideoLAN team
 * $Id: generic_font.hpp 14187 2006-02-07 16:37:40Z courmisch $
 *
 * Authors: Cyril Deguet     <[e-mail]>
 *          Olivier Teulière <[e-mail]>
 *
 * 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 GENERIC_FONT_HPP
#define GENERIC_FONT_HPP

#include "skin_common.hpp"
#include "../utils/pointer.hpp"

class GenericBitmap;
class UString;

/// Base class for fonts
class GenericFont: public SkinObject
{
    public:
        virtual ~GenericFont() {}

        virtual bool init() = 0;

        /// Render a string on a bitmap.
        /// If maxWidth != -1, the text is truncated with '...'
        /// The Bitmap is _not_ owned by this object
        virtual GenericBitmap *drawString( const UString &rString,
            uint32_t color, int maxWidth = -1 ) const = 0;

        /// Get the font size
        virtual int getSize() const = 0;

    protected:
        GenericFont( intf_thread_t *pIntf ): SkinObject( pIntf ) {}
};

typedef CountedPtr<GenericFont> GenericFontPtr;


#endif