import type { TransformActionHandler, FabricImage, ObjectEvents, Control, TMat2D } from 'fabric';
import { Point } from 'fabric';
/**
 * Wraps a handler to swap behavior based on flip state.
 */
export declare const withFlip: (handler: TransformActionHandler, flippedHandler: TransformActionHandler, axis: "flipX" | "flipY") => TransformActionHandler;
/**
 * Wraps corner handlers to swap both X and Y behavior based on flip state.
 */
export declare const withCornerFlip: (xHandler: TransformActionHandler, xFlippedHandler: TransformActionHandler, yHandler: TransformActionHandler, yFlippedHandler: TransformActionHandler) => TransformActionHandler;
/**
 * Wrap controlsUtils.changeObjectWidth with image constrains
 */
export declare const changeImageWidth: TransformActionHandler;
export declare const changeCropWidth: TransformActionHandler<import("fabric").Transform>;
/**
 * Wrap controlsUtils.changeObjectHeight with image constrains
 */
export declare const changeImageHeight: TransformActionHandler;
export declare const changeCropHeight: TransformActionHandler<import("fabric").Transform>;
export declare const changeImageCropX: TransformActionHandler;
export declare const changeImageCropY: TransformActionHandler;
export declare const changeCropX: TransformActionHandler<import("fabric").Transform>;
export declare const changeCropY: TransformActionHandler<import("fabric").Transform>;
/**
 * A function to counter the move action and change cropX/cropY of an image
 * Keep the image steady, but moves it inside its own cropping rectangle
 */
export declare const cropPanMoveHandler: ({ transform }: ObjectEvents["moving"]) => void;
/**
 * This position handler works only for this specific use case.
 * It does not support padding nor offset, and it reduces all possible positions
 * to the main 4 corners only.
 * Any position that is < 0 is the extreme left/top, the rest are right/bottom
 */
export declare function ghostScalePositionHandler(this: Control, dim: Point, // currentDimension
finalMatrix: TMat2D, fabricObject: FabricImage): Point;
/**
 * Reflects pointer position across object center when image is flipped.
 * This compensates for the inverted local coordinate system.
 */
/**
 * Action handler generator that handles scaling of an image in crop mode.
 * The goal is to keep the current bounding box steady.
 * So this action handler has its own calculations for a dynamic anchor point
 */
export declare const scaleEquallyCropGenerator: (cx: number, cy: number) => TransformActionHandler;
export declare function renderGhostImage(this: FabricImage, { ctx }: {
    ctx: CanvasRenderingContext2D;
}): void;
export declare const changeImageWidthWithAutoCover: TransformActionHandler;
export declare const changeImageHeightWithAutoCover: TransformActionHandler;
export declare const changeWidthAndScaleToCover: TransformActionHandler<import("fabric").Transform>;
export declare const changeHeightAndScaleToCover: TransformActionHandler<import("fabric").Transform>;
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