import { Dimensions, Point } from '@vertexvis/geometry';
import { Color } from '@vertexvis/utils';
/**
 * An `InteractionEvent` represents an event for when a user interacts with the
 * canvas of the viewer.
 */
export interface InteractionEvent {
    /**
     * A point within the coordinate space of the window where the user performed
     * an interaction.
     */
    screenPosition: Point.Point;
    /**
     * A point within the coordinate space of the rendered image where the user
     * performed an interaction.
     */
    canvasPosition?: Point.Point;
    /**
     * The dimensions of the canvas, in pixels.
     */
    canvasDimensions?: Dimensions.Dimensions;
    /**
     * The color (rgba) of the pixel where the user performed an interaction.
     */
    color?: Color.Color;
    /**
     * The mouse button that is pressed. See
     * https://developer.mozilla.org/en-US/docs/Web/API/MouseEvent/buttons.
     */
    button: number;
}
export interface ZoomInteractionEvent extends InteractionEvent {
    /**
     * The distance that the user zoomed.
     */
    delta: number;
}
export type BaseEvent = MouseEvent | PointerEvent;