ctrl_image.hpp

uclinux 下的vlc播放器源代码

/*****************************************************************************
 * ctrl_image.hpp
 *****************************************************************************
 * Copyright (C) 2003 the VideoLAN team
 * $Id: ctrl_image.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 CTRL_IMAGE_HPP
#define CTRL_IMAGE_HPP

#include "../commands/cmd_generic.hpp"
#include "ctrl_flat.hpp"

class GenericBitmap;
class OSGraphics;
class CmdGeneric;


/// Control image
class CtrlImage: public CtrlFlat
{
    public:
        /// Resize methods
        enum resize_t
        {
            kMosaic,  // Repeat the base image in a mosaic
            kScale    // Scale the base image
        };

        // Create an image with the given bitmap (which is NOT copied)
        CtrlImage( intf_thread_t *pIntf, const GenericBitmap &rBitmap,
                   CmdGeneric &rCommand, resize_t resizeMethod,
                   const UString &rHelp, VarBool *pVisible );
        virtual ~CtrlImage();

        /// Handle an event on the control
        virtual void handleEvent( EvtGeneric &rEvent );

        /// Check whether coordinates are inside the control
        virtual bool mouseOver( int x, int y ) const;

        /// Draw the control on the given graphics
        virtual void draw( OSGraphics &rImage, int xDest, int yDest );

        /// Get the type of control (custom RTTI)
        virtual string getType() const { return "image"; }

    private:
        /// Bitmap
        const GenericBitmap &m_rBitmap;
        /// Buffer to stored the rendered bitmap
        OSGraphics *m_pImage;
        /// Command triggered by a double-click on the image
        CmdGeneric &m_rCommand;
        /// Resize method
        resize_t m_resizeMethod;
};

#endif