scaled_bitmap.hpp

来自「VLC Player Source Code」· HPP 代码 · 共 60 行

/*****************************************************************************
 * scaled_bitmap.hpp
 *****************************************************************************
 * Copyright (C) 2003 the VideoLAN team
 * $Id$
 *
 * 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 SCALED_BITMAP_HPP
#define SCALED_BITMAP_HPP

#include "generic_bitmap.hpp"


/// Class for scaling bitmaps
class ScaledBitmap: public GenericBitmap
{
    public:
        /// Create a scaled bitmap from the given bitmap and size
        ScaledBitmap( intf_thread_t *pIntf, const GenericBitmap &rBitmap,
                      int width, int height );

        virtual ~ScaledBitmap();

        /// Get the width of the bitmap
        virtual int getWidth() const { return m_width; }

        /// Get the heighth of the bitmap
        virtual int getHeight() const { return m_height; }

        /// Get a linear buffer containing the image data.
        /// Each pixel is stored in 4 bytes in the order B,G,R,A
        virtual uint8_t *getData() const { return m_pData; }

    private:
        /// Bitmap size
        int m_width, m_height;
        /// Image data buffer
        uint8_t *m_pData;
};


#endif