<?php
/*
SVG to dojox.gfx Parser
Copyright (C) 2009  Aaron Lindsay <aclindsay@aclindsay.com>

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.
*/

require_once("objects/Gradient.php");

class RadialGradient extends Gradient {
	private $cx;
	private $cy;
	private $r;
	private $fx;
	private $fy;
	
	private $transformsApplied = false;

	public function __construct() {
		parent::__construct();
	}
	
	public function setCx($x) {
		$this->cx = $x;
	}
	public function setCy($x) {
		$this->cy = $x;
	}
	public function setR($x) {
		$this->r = $x;
	}
	public function setFx($x) {
		$this->fx = $x;
	}
	public function setFy($x) {
		$this->fy = $x;
	}
	
	public function getCx() {
		return $this->cx;
	}
	public function getCy() {
		return $this->cy;
	}
	public function getR() {
		return $this->r;
	}
	public function getFx() {
		return $this->fx;
	}
	public function getFy() {
		return $this->fy;
	}
	
	public function isValid() {
		if (!parent::isValid())
			return false;
		if (!isset($this->cx) || !isset($this->cy) || !isset($this->r) || !isset($this->fx)  || !isset($this->fy))
			return false;
		
		return true;
	}
	
	public function transformsApplied() {
		return $this->transformsApplied;
	}
	
	//apply all the transforms to the points in this gradient
	public function applyTransforms() {
		$transforms = $this->getTransforms();
		foreach($transforms as $transform) {
			$oldCx = $this->cx;
			$oldCy = $this->cy;
			$oldFx = $this->fx;
			$oldFy = $this->fy;
			$this->cx = $transform->applyToX($oldCx, $oldCy);
			$this->cy = $transform->applyToY($oldCx, $oldCy);
			$this->fx = $transform->applyToX($oldFx, $oldFy);
			$this->fy = $transform->applyToY($oldFx, $oldFy);
		}
		$this->transformsApplied = true;
	}
}
?>