import { Point, Rect, Size } from '@zag-js/types';
import { FlipState, CropSourcePoints } from '../image-cropper.types.js';
import '@zag-js/core';

interface Matrix {
    a: number;
    b: number;
    c: number;
    d: number;
    e: number;
    f: number;
}
interface ImageTransformParams {
    zoom: number;
    offset: Point;
    rotation: number;
    flip: FlipState;
}
interface CropExportParams extends ImageTransformParams {
    crop: Rect;
    imageRect: Rect;
    naturalSize: Size;
}
interface ViewportToNaturalParams extends ImageTransformParams {
    point: Point;
    imageRect: Rect;
    naturalSize: Size;
}
declare function getImageTransform(params: ImageTransformParams): Matrix;
declare function getImageTransformCss(params: ImageTransformParams): string;
declare function getNaturalToViewportMatrix(params: Omit<CropExportParams, "crop">): Matrix;
declare function viewportToNaturalPoint(params: ViewportToNaturalParams): Point;
declare function getCropSourcePoints(params: CropExportParams): CropSourcePoints;
declare function getCropSourceRect(params: CropExportParams): Rect;
declare function getNaturalCropSize(params: Pick<CropExportParams, "crop" | "zoom" | "imageRect" | "naturalSize">): Size;
declare function getCropOutputSize(params: Pick<CropExportParams, "crop" | "zoom" | "imageRect" | "naturalSize">, maxSize?: Size): Size;
declare function applyCropExportTransform(ctx: CanvasRenderingContext2D, params: CropExportParams, outputSize: Size): void;

export { type CropExportParams, type Matrix, applyCropExportTransform, getCropOutputSize, getCropSourcePoints, getCropSourceRect, getImageTransform, getImageTransformCss, getNaturalCropSize, getNaturalToViewportMatrix, viewportToNaturalPoint };