anim_bitmap.hpp

uclinux 下的vlc播放器源代码

/*****************************************************************************
 * anim_bitmap.hpp
 *****************************************************************************
 * Copyright (C) 2005 the VideoLAN team
 * $Id: anim_bitmap.hpp 16457 2006-08-31 20:51:12Z hartman $
 *
 * Authors: Cyril Deguet     <[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 ANIM_BITMAP_HPP
#define ANIM_BITMAP_HPP

#include "../commands/cmd_generic.hpp"
#include "../utils/observer.hpp"
#include "../utils/position.hpp"

class GenericBitmap;
class OSGraphics;
class OSTimer;


/// Animated bitmap
class AnimBitmap: public SkinObject, public Box,
                  public Subject<AnimBitmap>
{
    public:
        AnimBitmap( intf_thread_t *pIntf, const GenericBitmap &rBitmap );

        virtual ~AnimBitmap();

        /// Start the animation
        void startAnim();

        /// Stop the animation
        void stopAnim();

        /// Draw the current frame on another graphics
        void draw( OSGraphics &rImage, int xDest, int yDest );

        /// Tell whether the pixel at the given position is visible
        bool hit( int x, int y ) const;

        /// Get the size of the current frame
        virtual int getWidth() const;
        virtual int getHeight() const;

    private:
        /// Graphics to store the bitmap
        OSGraphics *m_pImage;
        /// Number of frames
        int m_nbFrames;
        /// Frame rate
        int m_frameRate;
        /// Curent frame
        int m_curFrame;
         /// Timer for the animation
        OSTimer *m_pTimer;

        /// Callback for the timer
        DEFINE_CALLBACK( AnimBitmap, NextFrame );
};


#endif