import { Color } from './color';
import { Point2D } from './point2d';
/**
 * GradientStop data.
 */
export interface GradientStopData {
    /**
     * The position of this color within a gradient as percentage value where 1.0 is 100%. The stop position can be less
     * than 0 or greater than 1.
     */
    position: number;
    /**
     * The color at this stop position within a gradient.
     */
    color: Color;
}
declare const GradientStop_base: new (overrides?: Partial<GradientStopData> | undefined) => import("@diez/engine").Prefab<GradientStopData> & GradientStopData;
/**
 * Provides a gradient stop.
 *
 * @noinheritdoc
 */
export declare class GradientStop extends GradientStop_base {
    defaults: {
        position: number;
        color: Color;
    };
    /**
     * Creates an gradient stop.
     *
     * `const gradientStop = GradientStop.make(0, Color.rgb(255, 0, 0));`
     */
    static make(position: number, color: Color): GradientStop;
    toPresentableValue(): string;
}
/**
 * The direction of a linear gradient relative to the containing view's edges.
 */
export declare const enum Toward {
    Top = 0,
    TopRight = 45,
    Right = 90,
    BottomRight = 135,
    Bottom = 180,
    BottomLeft = 225,
    Left = 270,
    TopLeft = 315
}
/**
 * LinearGradient data.
 */
export interface LinearGradientData {
    /**
     * The color stops within the gradient.
     *
     * The position of a stop is represented as a percentage value where 1.0 is 100%. The stop position can be less than
     * 0 or greater than 1.
     */
    stops: GradientStop[];
    /**
     * The start position of the gradient in a coordinate space where (0, 0) is top left and (1, 1) is bottom right.
     */
    start: Point2D;
    /**
     * The end position of the gradient in a coordinate space where (0, 0) is top left and (1, 1) is bottom right.
     */
    end: Point2D;
}
declare const LinearGradient_base: new (overrides?: Partial<LinearGradientData> | undefined) => import("@diez/engine").Prefab<LinearGradientData> & LinearGradientData;
/**
 * Provides a linear gradient.
 *
 * @noinheritdoc
 */
export declare class LinearGradient extends LinearGradient_base {
    defaults: {
        stops: GradientStop[];
        start: Point2D;
        end: Point2D;
    };
    /**
     * Constructs a linear gradient using an angle in degrees, or a [[Toward]] value, that specifies the direction of the
     * `LinearGradient`, where 0 degrees generates a gradient from bottom to top and positive is clockwise.
     *
     * @param angle: The direction that the linear gradient is generated in. This can be a number (in degrees) or a
     *               [[Toward]] value (e.g. `Toward.TopRight`).
     * @param colors: The colors that make up the gradient.
     *
     * `gradient = LinearGradient.make(Toward.TopRight, Color.rgb(255, 0, 0), Color.rgb(0, 0, 255));`
     */
    static make(angle: Toward | number, ...colors: Color[]): LinearGradient;
    /**
     * Creates a multi-colored gradient between the provided start and end points.
     *
     * (0, 0) represents the top left.
     * (1, 1) represents the bottom right.
     *
     * `gradient = LinearGradient.makeWithPoints(0, 0, 1, 1, Color.rgb(255, 0, 0), Color.rgb(0, 0, 255));`
     */
    static makeWithPoints(x1: number, y1: number, x2: number, y2: number, ...colors: Color[]): LinearGradient;
    sanitize(data: LinearGradientData): LinearGradientData;
    toPresentableValue(): string;
}
export {};
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