import { setPixelAlphaFn, setPixelFn } from "./types";
/**
 * Line segment rasterisation
 * @param  {number} x0
 * @param  {number} y0
 * @param  {number} x1
 * @param  {number} y1
 * @param  {setPixel} setPixel
 */
export declare function line(x0: number, y0: number, x1: number, y1: number, setPixel: setPixelFn): void;
/**
 * Draw a black (0) anti-aliased line on white (255) background
 * @param  {number} x0
 * @param  {number} y0
 * @param  {number} x1
 * @param  {number} y1
 * @param  {setPixelAlpha} setPixelAA
 * @return {number}
 */
export declare function lineAA(x0: number, y0: number, x1: number, y1: number, setPixelAA: setPixelAlphaFn): void;
/**
 * Plot an anti-aliased line of width wd
 * @param  {number} x0
 * @param  {number} y0
 * @param  {number} x1
 * @param  {number} y1
 * @param  {number} wd
 * @param  {setPixel} setPixel
 */
export declare function lineWidth(x0: number, y0: number, x1: number, y1: number, wd: number, setPixel: setPixelAlphaFn): void;