# Source: objects/Circle.js

    import {Object2D} from "../Object2D.js";
    import {ColorStyle} from "./style/ColorStyle";
    import {Style} from "./style/Style";

    /**
     * Circle object draw a circular object, into the canvas.
     *
     * Can be used as a base to implement other circular objects, already implements the circle collision for pointer events.
     *
     * @class
     * @extends {Object2D}
     */
    function Circle()
    {
    	Object2D.call(this);

    	/**
    	 * Radius of the circle.
    	 *
    	 * @type {number}
    	 */
    	this.radius = 10.0;

    	/**
    	 * Style of the object border line.
    	 *
    	 * If set null it is ignored.
    	 *
    	 * @type {Style}
    	 */
    	this.strokeStyle = new ColorStyle("#000000");

    	/**
    	 * Line width, only used if a valid strokeStyle is defined.
    	 *
    	 * @type {number}
    	 */
    	this.lineWidth = 1;

    	/**
    	 * Background color of the circle.
    	 *
    	 * If set null it is ignored.
    	 *
    	 * @type {Style}
    	 */
    	this.fillStyle = new ColorStyle("#FFFFFF");
    }

    Circle.prototype = Object.create(Object2D.prototype);
    Circle.prototype.constructor = Circle;
    Circle.prototype.type = "Circle";
    Object2D.register(Circle, "Circle");

    Circle.prototype.isInside = function(point)
    {
    	return point.length() <= this.radius;
    };

    Circle.prototype.draw = function(context, viewport, canvas)
    {
    	context.beginPath();
    	context.arc(0, 0, this.radius, 0, 2 * Math.PI);

    	if(this.fillStyle !== null)
    	{
    		context.fillStyle = this.fillStyle.get(context);
    		context.fill();
    	}

    	if(this.strokeStyle !== null)
    	{
    		context.lineWidth = this.lineWidth;
    		context.strokeStyle = this.strokeStyle.get(context);
    		context.stroke();
    	}
    };

    Circle.prototype.serialize = function(recursive)
    {
    	var data = Object2D.prototype.serialize.call(this, recursive);

    	data.radius = this.radius;
    	data.strokeStyle = this.strokeStyle !== null ? this.strokeStyle.serialize() : null;
    	data.lineWidth = this.lineWidth;
    	data.fillStyle = this.fillStyle !== null ? this.fillStyle.serialize() : null;

    	return data;
    };

    Circle.prototype.parse = function(data, root)
    {
    	Object2D.prototype.parse.call(this, data, root);

    	this.radius = data.radius;
    	this.strokeStyle = data.strokeStyle !== null ? Style.parse(data.strokeStyle) : null;
    	this.lineWidth = data.lineWidth;
    	this.fillStyle = data.fillStyle !== null ? Style.parse(data.fillStyle) : null;
    };

    export {Circle};