<?php
/**
 * SVG Circle class
 * 
 * @author     Nicolas Perriault <nperriault@gmail.com>
 * @package    cleversvg
 * @subpackage elements
 */
class csCircle extends csBaseShape
{

  protected 
    $xml_node_name = 'circle';

  /**
   * Class constructor
   * 
   */
  public function __construct($cx=null, $cy=null, $radius=null, $attrs=array())
  {
    $this->setCx($cx);
    $this->setCy($cy);
    $this->setRadius($radius);
    $this->attributes = array_merge($attrs, $this->attributes);
  }
  
  /**
   * The x-axis coordinate of the center of the circle.
   * 
   * @param  int  $cx 
   */
  public function setCx($cx)
  {
    $this->setAttribute('cx', $cx);
  }
  
  /**
   * The y-axis coordinate of the center of the circle.
   * 
   * @param  int  $cy 
   */
  public function setCy($cy)
  {
    $this->setAttribute('cy', $cy);
  }
  
  /**
   * setCx alias
   * 
   */
  public function setX($x)
  {
    return $this->setCx($x);
  }
  
  /**
   * setCy alias
   * 
   */
  public function setY($y)
  {
    return $this->setCy($y);
  }
  
  /**
   * Sets the radius of the circle
   * 
   * @param  int  $radius
   */
  public function setRadius($radius)
  {
    $this->setAttribute('r', $radius);
  }
  
}