# Source: objects/style/LinearGradientStyle.js

    import {Style} from "./Style";
    import {GradientStyle} from "./GradientStyle";
    import {Vector2} from "../../math/Vector2";

    /**
     * Linear gradient style, represents a gradient of colors from a point to another interpolating in between.
     *
     * Behind the of the two points used the color is solid.
     *
     * The get method returns a CanvasGradient https://developer.mozilla.org/en-US/docs/Web/API/CanvasGradient when generated.
     *
     * @class
     * @extends {GradientStyle}
     */
    function LinearGradientStyle()
    {
        GradientStyle.call(this);

        /**
         * The coordinates of the starting point of the gradient.
         *
         * @type {Vector2}
         */
        this.start = new Vector2(-100, 0);

        /**
         * The coordinates of the ending point of the gradient.
         *
         * @type {Vector2}
         */
        this.end = new Vector2(100, 0);
    }

    LinearGradientStyle.prototype = Object.create(GradientStyle.prototype);
    Style.register(LinearGradientStyle, "LinearGradient");

    LinearGradientStyle.prototype.get = function(context)
    {
        var style = context.createLinearGradient(this.start.x, this.start.y, this.end.x, this.end.y);

        for(var i = 0; i < this.colors.length; i++)
        {
            style.addColorStop(this.colors[i].offset, this.colors[i].color);
        }

        return style;
    };

    LinearGradientStyle.prototype.serialize = function ()
    {
        var data = GradientStyle.prototype.serialize.call(this);

        Object.assign(data, {
            type: "LinearGradient",
            start: this.start.toArray(),
            end: this.end.toArray()
        });

        return data;
    };

    LinearGradientStyle.prototype.parse = function (data)
    {
        GradientStyle.prototype.parse.call(this, data);

        this.start.fromArray(data.start);
        this.end.fromArray(data.end);
    };

    export {LinearGradientStyle};