<?php 
/** 
 * 
 * Description: Implementation of Circle. 
 * 
 * Blog: http://trialforce.nostaljia.eng.br 
 * 
 * Started at Mar 11, 2011 
 * 
 * @version 0.1 
 * 
 * @author Eduardo Bonfandini 
 * 
 *----------------------------------------------------------------------- 
 *   This program is free software; you can redistribute it and/or modify 
 *   it under the terms of the GNU Library General Public License as published 
 *   by the Free Software Foundation; either version 3 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 Library General Public License for more details. 
 * 
 *   You should have received a copy of the GNU Library General Public 
 *   License along with this program; if not, access 
 *   http://www.fsf.org/licensing/licenses/lgpl.html or write to the 
 *   Free Software Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 
 *---------------------------------------------------------------------- 
 */ 
class SVGCircle extends SVGShapeEx 
{ 
    /** 
     * Construct a circle 
     *  
     * @param integer $cx the center x 
     * @param integer $cy the center y 
     * @param integer $radius the radius of circle 
     * @param string $id the id of element 
     * @param SVGStyle $style style of element 
     *  
     * @return SVGCircle  
     */ 
    public static function getInstance( $cx, $cy, $radius, $id = null, $style = null ) 
    { 
        $circle = new SVGCircle('<circle></circle>'); 
 
        $circle->setCx( $cx ); 
        $circle->setCy( $cy ); 
        $circle->setRadius($radius); 
        $circle->setId( $id ); 
        $circle->setStyle($style); 
 
        return $circle; 
    } 
     
    /** 
     * Define the center x 
     *  
     * @param integer $cx  
     */ 
    public function setCx( $cx ) 
    { 
        $this->addAttribute('cx', $cx ); 
    } 
     
    /** 
     * Return the center x 
     * 
     * @return integer cx attribute 
     */ 
    public function getCx() 
    { 
        return $this->getAttribute('cx'); 
    } 
     
    /** 
     * Define the center y 
     *  
     * @param integer $cy  
     */ 
    public function setCy( $cy ) 
    { 
        $this->addAttribute('cy', $cy ); 
    } 
     
    /** 
     * Return the center y 
     * 
     * @return integer cy attribute 
     */ 
    public function getCy() 
    { 
        return $this->getAttribute('cy'); 
    } 
     
    /** 
     * Define the radius of circle 
     *  
     * @param integer $radius  
     */ 
    public function setRadius( $radius ) 
    { 
        $this->addAttribute('r', $radius ); 
    } 
 
    /** 
     * Return the radius of circle 
     *  
     * @return integer the radius of circle 
     */ 
    public function getRadius( ) 
    { 
        return $this->getAttribute('r'); 
    } 
} 
?>
 
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