import { CandyGraph } from "../candygraph";
import { CoordinateSystem } from "../coordinates/coordinate-system";
import { Renderable, Vector4, Vector2, NumberArray } from "../common";
import { Composite } from "./composite";
import { Font } from "../assets/font";
export interface AxisOptions {
    /** The color of the primary axis line. Default [0, 0, 0, 1]. */
    axisColor?: Vector4;
    /** The width of the primary axis line in pixels. Default 1. */
    axisWidth?: number;
    /** The x/y position of the anchor relative to the text quad, on the range
     * [-1, -1] (bottom left) to [1, 1] (top right). When undefined will
     * automatically anchor the text according to the direction of the axis. */
    labelAnchor?: Vector2;
    /** The angle at which the text will be rotated around the anchor. Default 0. */
    labelAngle?: number;
    /** The color of the tick labels. Default [0, 0, 0, 1]. */
    labelColor?: Vector4;
    /** The padding between the ticks and tick labels in pixels. Default 3. */
    labelPad?: number;
    /** Which side of the axis the label will be placed on. Default -1. */
    labelSide?: -1 | 1;
    /** The size in pixels of the label font. Default 12. */
    labelSize?: number;
    /** The color of the ticks. Default [0, 0, 0, 1]. */
    tickColor?: Vector4;
    /** The length of the ticks in pixels. Default 12. */
    tickLength?: number;
    /** How far the ticks are shifted from centered on the primary axis line. Zero
     * is centered, can be negative or positive. Default 0.  */
    tickOffset?: number;
    /** The width of the ticks in pixels. Default 1. */
    tickWidth?: number;
    /** The position of the minor ticks as a distance from `start`. Default [] (empty). */
    minorTicks?: NumberArray;
    /** The color of the minor ticks. Default [0, 0, 0, 1]. */
    minorTickColor?: Vector4;
    /** The length of the minor ticks in pixels. Default 6. */
    minorTickLength?: number;
    /** How far the minor ticks are shifted from centered on the primary axis line. Zero is centered, can be negative or positive. Default 0. */
    minorTickOffset?: number;
    /** The width of the minor ticks in pixels. Default 1. */
    minorTickWidth?: number;
}
export declare class Axis extends Composite {
    private axis;
    private texts;
    private ticks;
    private minorTicks;
    /**
     *
     * @param start One endpoint of the axis.
     * @param end The other endpoint of the axis.
     * @param ticks The position of the ticks as a distance from `start`.
     * @param labels The string labels for the ticks.
     * @param font The `Font` instance used to render the tick labels.
     */
    constructor(cg: CandyGraph, coords: CoordinateSystem, start: Vector2, end: Vector2, ticks: NumberArray, labels: string[], font: Font, options?: AxisOptions);
    /** @internal */
    children(): Renderable;
}