/***************************************************************************
 *   Copyright (C) 2004 by Christoph Freundl                               *
 *   Christoph.Freundl@informatik.uni-erlangen.de                          *
 *                                                                         *
 *   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.,                                       *
 *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
 ***************************************************************************/

#ifndef SDLWIDGETS_BACKGROUNDWIDGET_H
#define SDLWIDGETS_BACKGROUNDWIDGET_H

#include "widget.h"

namespace SDLwidgets {

class BackgroundWidget : public WidgetDecorator {
private:
	Uint8 _alpha;
	SDL_Surface* _image;
public:
	BackgroundWidget( Widget* widget )
		: WidgetDecorator( widget ), _alpha( SDL_ALPHA_TRANSPARENT ), _image( 0 ) {
		if ( widget ) {
			widget->setPosition( 0, 0 );
			_min_width = _widget->getMinWidth();
			_min_height = _widget->getMinHeight();
			_max_width = _widget->getMaxWidth();
			_max_height = _widget->getMaxHeight();
			_width = _widget->getWidth();
			_height = _widget->getHeight();
		}
		_color.r = 0;
		_color.g = 0;
		_color.b = 0;
	}
	BackgroundWidget( Widget* widget, const SDL_Color& color, int alpha = 255 )
		: WidgetDecorator( widget ), _alpha( alpha ), _image( 0 ) {
		if ( widget ) {
			widget->setPosition( 0, 0 );
			_min_width = _widget->getMinWidth();
			_min_height = _widget->getMinHeight();
			_max_width = _widget->getMaxWidth();
			_max_height = _widget->getMaxHeight();
			_width = _widget->getWidth();
			_height = _widget->getHeight();
		}
		_color = color;
	}
	BackgroundWidget( Widget* widget, const char* filename );
	BackgroundWidget( int width, int height );
	virtual ~BackgroundWidget() {
	}
	virtual void setColor( const SDL_Color& color );
	virtual void setAlpha( int alpha );
	virtual void draw( SDL_Surface* surface );
	virtual void setWidth( const Uint16 width );
	virtual void setMinWidth( const Uint16 min_width );
	virtual void setHeight( const Uint16 height );
	virtual void doLayout();
};

}

#endif // SDLWIDGETS_BACKGROUNDWIDGET_H