import { Transform } from "./Transform";
import { IPoint } from "./IPoint";
export declare class PointF {
    x: number;
    y: number;
    constructor(x?: number, y?: number);
    rotate(angle: number): this;
    rotateAt(angle: number, center?: PointF): this;
    translate(x: number, y: number): this;
    scale(scaleX: number, scaleY: number): this;
    clone(): PointF;
    equals(pt: PointF, tolerance?: number): boolean;
    static isEqual(a: PointF, b: PointF, tolerance?: number): boolean;
    distance(pt: PointF): number;
    transform(transform: Transform, center: PointF): PointF;
    toString(): string;
    toIPoint(): IPoint;
    static fromIPoint(point: IPoint): PointF;
    round(): this;
    isOrigin(): boolean;
}