import { Coord, Index, PanZoom } from "./types";
export declare const convertCartesianToScreen: (canvas: HTMLCanvasElement, cartesianCoord: Coord, dpr: number) => Coord;
export declare function diffPoints(p1: Coord, p2: Coord): Coord;
export declare function addPoints(p1: Coord, p2: Coord): Coord;
export declare function distPoints(p1: Coord, p2: Coord): number;
export declare function gradientPoints(p1: Coord, p2: Coord): number;
export declare function directionPoints(p1: Coord, p2: Coord): number;
/**
 * Actual world point is converted to screen(=viewing) point
 * @param point
 * @param panZoom
 * @returns
 */
export declare function getScreenPoint(point: Coord, panZoom: PanZoom): Coord;
/**
 * This is the real point in the actual world
 * @param point
 * @param panZoom
 * @returns
 */
export declare function getWorldPoint(point: Coord, panZoom: PanZoom): Coord;
export declare function convertScreenPointToCartesian(canvas: HTMLCanvasElement, screenPoint: Coord, dpr: number): Coord;
export declare function worldPointToCartesian(point: Coord, panZoom: PanZoom): Coord;
export declare function lerpRanges(value: number, range1Start: number, range1End: number, range2Start: number, range2End: number): number;
export declare function getBresenhamLineIndices(x1: number, y1: number, x2: number, y2: number): Index[];
export declare function getBresenhamEllipseIndices(x1: number, y1: number, x2: number, y2: number, filled: boolean): Index[];