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Current File : /home/jalalj2hb/public_html/ftm-admin/bower_components/kineticjs/src/shapes/Ellipse.js

(function() {
    // the 0.0001 offset fixes a bug in Chrome 27
    var PIx2 = (Math.PI * 2) - 0.0001,
        ELLIPSE = 'Ellipse';

    /**
     * Ellipse constructor
     * @constructor
     * @augments Kinetic.Shape
     * @param {Object} config
     * @param {Object} config.radius defines x and y radius
     * @@ShapeParams
     * @@NodeParams
     * @example
     * var ellipse = new Kinetic.Ellipse({<br>
     *   radius : {<br>
     *     x : 50,<br>
     *     y : 50<br>
     *   },<br>
     *   fill: 'red'<br>
     * });
     */
    Kinetic.Ellipse = function(config) {
        this.___init(config);
    };

    Kinetic.Ellipse.prototype = {
        ___init: function(config) {
            // call super constructor
            Kinetic.Shape.call(this, config);
            this.className = ELLIPSE;
            this.sceneFunc(this._sceneFunc);
        },
        _sceneFunc: function(context) {
            var r = this.getRadius(),
                rx = r.x,
                ry = r.y;

            context.beginPath();
            context.save();
            if(rx !== ry) {
                context.scale(1, ry / rx);
            }
            context.arc(0, 0, rx, 0, PIx2, false);
            context.restore();
            context.closePath();
            context.fillStrokeShape(this);
        },
        // implements Shape.prototype.getWidth()
        getWidth: function() {
            return this.getRadius().x * 2;
        },
        // implements Shape.prototype.getHeight()
        getHeight: function() {
            return this.getRadius().y * 2;
        },
        // implements Shape.prototype.setWidth()
        setWidth: function(width) {
            Kinetic.Node.prototype.setWidth.call(this, width);
            this.setRadius({
                x: width / 2
            });
        },
        // implements Shape.prototype.setHeight()
        setHeight: function(height) {
            Kinetic.Node.prototype.setHeight.call(this, height);
            this.setRadius({
                y: height / 2
            });
        }
    };
    Kinetic.Util.extend(Kinetic.Ellipse, Kinetic.Shape);

    // add getters setters
    Kinetic.Factory.addComponentsGetterSetter(Kinetic.Ellipse, 'radius', ['x', 'y']);

    /**
     * get/set radius
     * @name radius
     * @method
     * @memberof Kinetic.Ellipse.prototype
     * @param {Object} radius
     * @param {Number} radius.x
     * @param {Number} radius.y
     * @returns {Object}
     * @example
     * // get radius<br>
     * var radius = ellipse.radius();<br><br>
     * 
     * // set radius<br>
     * ellipse.radius({<br>
     *   x: 200,<br>
     *   y: 100<br>
     * });
     */

    Kinetic.Factory.addGetterSetter(Kinetic.Ellipse, 'radiusX', 0);
    /**
     * get/set radius x
     * @name radiusX
     * @method
     * @memberof Kinetic.Ellipse.prototype
     * @param {Number} x
     * @returns {Number}
     * @example
     * // get radius x<br>
     * var radiusX = ellipse.radiusX();<br><br>
     * 
     * // set radius x<br>
     * ellipse.radiusX(200);
     */

    Kinetic.Factory.addGetterSetter(Kinetic.Ellipse, 'radiusY', 0);
    /**
     * get/set radius y
     * @name radiusY
     * @method
     * @memberof Kinetic.Ellipse.prototype
     * @param {Number} y
     * @returns {Number}
     * @example
     * // get radius y<br>
     * var radiusY = ellipse.radiusY();<br><br>
     * 
     * // set radius y<br>
     * ellipse.radiusY(200);
     */

    Kinetic.Collection.mapMethods(Kinetic.Ellipse);

})();

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