export declare const LEFT_MOUSE_BUTTON = 0;
/**
 * Calculates the length of a vector.
 * @param x - The x component of the vector
 * @param y - The y component of the vector
 */
export declare const vectorLength: (x: number, y: number) => number;
/**
 * Calculates the angle of a vector.
 * @param x - The x component of the vector
 * @param y - The y component of the vector
 */
export declare const vectorAngle: (x: number, y: number) => number;
/**
 * Converts degrees to radians.
 * @param deg - The degrees
 */
export declare const deg2Rad: (deg: number) => number;
/**
 * Calculates the center of a rectangle.
 * @param top - The top position of the rectangle
 * @param left - The left position of the rectangle
 * @param width - The width of the rectangle
 * @param height - The height of the rectangle
 */
export declare const topLeft2Center: (top: number, left: number, width: number, height: number) => {
    x: number;
    y: number;
};
/**
 * Calculates the top left corner of a rectangle.
 * @param centerX - The center x position of the rectangle
 * @param centerY - The center y position of the rectangle
 * @param width - The width of the rectangle
 * @param height - The height of the rectangle
 */
export declare const center2TopLeft: (centerX: number, centerY: number, width: number, height: number) => {
    left: number;
    top: number;
};
/**
 * Rotates a point around another point by a certain angle.
 * @param originX - The x coordinate of the origin
 * @param originY - The y coordinate of the origin
 * @param pointX - The x coordinate of the point to rotate
 * @param pointY - The y coordinate of the point to rotate
 * @param angleDeg - The angle in degrees to rotate the point by
 */
export declare const rotatePoint: (originX: number, originY: number, pointX: number, pointY: number, angleDeg: number) => {
    left: number;
    top: number;
};
/**
 * Returns the corresponding resize cursor for a given rotation.
 * @param rotationDeg - The rotation in degrees
 */
export declare const getResizeCursors: (rotationDeg: number) => {
    n: import("csstype").Property.Cursor | undefined;
    ne: import("csstype").Property.Cursor | undefined;
    e: import("csstype").Property.Cursor | undefined;
    se: import("csstype").Property.Cursor | undefined;
    s: import("csstype").Property.Cursor | undefined;
    sw: import("csstype").Property.Cursor | undefined;
    w: import("csstype").Property.Cursor | undefined;
    nw: import("csstype").Property.Cursor | undefined;
};
/**
 * Calculates the parametric position of an object around a rectangle.
 * The object will be centered on the rectangle, with the specified angle
 * measured from the vertical, and the specified offsets, measured from the
 * edges of the rectangle.
 *
 * @param width - The width of the rectangle
 * @param height - The height of the rectangle
 * @param rotationDeg - The polar position of the object
 * @param offsetWidth - The horizontal offset from the edges
 * @param offsetHeight - The vertical offset from the edges
 */
export declare const getParametricPos: (width: number, height: number, rotationDeg: number, offsetWidth: number, offsetHeight: number) => {
    left: number;
    top: number;
};
/**
 * Stops the next click event propagation
 */
export declare const captureClick: () => void;