/** @format */
import { Palette } from '../image/palette.js';
import { Channel } from './channel.js';
import { Color, ColorConvertOptions } from './color.js';
import { Format } from './format.js';
/**
 * An 8-bit unsigned int color with channel values in the range [0, 255].
 */
export declare class ColorUint8 implements Color {
    /** Holds the color data as an array of 8-bit unsigned integers. */
    protected data: Uint8Array;
    /** Gets the format of the color. */
    get format(): Format;
    /** Gets the length of the color data array. */
    get length(): number;
    /** Gets the maximum value a channel can have. */
    get maxChannelValue(): number;
    /** Gets the maximum value an index can have. */
    get maxIndexValue(): number;
    /** Checks if the format is Low Dynamic Range (LDR). */
    get isLdrFormat(): boolean;
    /** Checks if the format is High Dynamic Range (HDR). */
    get isHdrFormat(): boolean;
    /** Checks if the color has a palette. */
    get hasPalette(): boolean;
    /** Gets the palette of the color, if any. */
    get palette(): Palette | undefined;
    /** Gets the index value of the color. */
    get index(): number;
    /** Sets the index value of the color. */
    set index(i: number);
    /** Gets the red channel value. */
    get r(): number;
    /** Sets the red channel value. */
    set r(r: number);
    /** Gets the green channel value. */
    get g(): number;
    /** Sets the green channel value. */
    set g(g: number);
    /** Gets the blue channel value. */
    get b(): number;
    /** Sets the blue channel value. */
    set b(b: number);
    /** Gets the alpha channel value. */
    get a(): number;
    /** Sets the alpha channel value. */
    set a(a: number);
    /** Gets the normalized red channel value. */
    get rNormalized(): number;
    /** Sets the normalized red channel value. */
    set rNormalized(v: number);
    /** Gets the normalized green channel value. */
    get gNormalized(): number;
    /** Sets the normalized green channel value. */
    set gNormalized(v: number);
    /** Gets the normalized blue channel value. */
    get bNormalized(): number;
    /** Sets the normalized blue channel value. */
    set bNormalized(v: number);
    /** Gets the normalized alpha channel value. */
    get aNormalized(): number;
    /** Sets the normalized alpha channel value. */
    set aNormalized(v: number);
    /** Gets the luminance of the color. */
    get luminance(): number;
    /** Gets the normalized luminance of the color. */
    get luminanceNormalized(): number;
    /**
     * Constructs a new ColorUint8 instance.
     * @param {Uint8Array | number} data - The initial data for the color, either as a Uint8Array or a number.
     */
    constructor(data: Uint8Array | number);
    /**
     * Creates a new ColorUint8 instance from another ColorUint8 instance.
     * @param {ColorUint8} other - The other ColorUint8 instance to copy.
     * @returns {ColorUint8} A new ColorUint8 instance.
     */
    static from(other: ColorUint8): ColorUint8;
    /**
     * Creates a new ColorUint8 instance from a Uint8Array.
     * @param {Uint8Array} color - The color data as a Uint8Array.
     * @returns {ColorUint8} A new ColorUint8 instance.
     */
    static fromArray(color: Uint8Array): ColorUint8;
    /**
     * Creates a new ColorUint8 instance with RGB values.
     * @param {number} r - The red channel value.
     * @param {number} g - The green channel value.
     * @param {number} b - The blue channel value.
     * @returns {ColorUint8} A new ColorUint8 instance.
     */
    static rgb(r: number, g: number, b: number): ColorUint8;
    /**
     * Creates a new ColorUint8 instance with RGBA values.
     * @param {number} r - The red channel value.
     * @param {number} g - The green channel value.
     * @param {number} b - The blue channel value.
     * @param {number} a - The alpha channel value.
     * @returns {ColorUint8} A new ColorUint8 instance.
     */
    static rgba(r: number, g: number, b: number, a: number): ColorUint8;
    /**
     * Gets the value of a specific channel.
     * @param {number | Channel} channel - The channel index or Channel enum.
     * @param {number} [defValue=0] - The default value if the channel is not present.
     * @returns {number} The value of the channel.
     */
    getChannel(channel: number | Channel, defValue?: number): number;
    /**
     * Gets the normalized value of a specific channel.
     * @param {number | Channel} channel - The channel index or Channel enum.
     * @returns {number} The normalized value of the channel.
     */
    getChannelNormalized(channel: number | Channel): number;
    /**
     * Sets the value of a specific channel.
     * @param {number | Channel} index - The channel index or Channel enum.
     * @param {number} value - The value to set.
     */
    setChannel(index: number | Channel, value: number): void;
    /**
     * Sets the color values from another Color instance.
     * @param {Color} c - The Color instance to copy values from.
     */
    set(c: Color): void;
    /**
     * Sets the RGB values of the color.
     * @param {number} r - The red channel value.
     * @param {number} g - The green channel value.
     * @param {number} b - The blue channel value.
     */
    setRgb(r: number, g: number, b: number): void;
    /**
     * Sets the RGBA values of the color.
     * @param {number} r - The red channel value.
     * @param {number} g - The green channel value.
     * @param {number} b - The blue channel value.
     * @param {number} a - The alpha channel value.
     */
    setRgba(r: number, g: number, b: number, a: number): void;
    /**
     * Converts the color data to an array of numbers.
     * @returns {number[]} An array of numbers representing the color data.
     */
    toArray(): number[];
    /**
     * Creates a clone of the current ColorUint8 instance.
     * @returns {ColorUint8} A new ColorUint8 instance that is a clone of the current instance.
     */
    clone(): ColorUint8;
    /**
     * Checks if the current color is equal to another color.
     * @param {Color} other - The other color to compare with.
     * @returns {boolean} True if the colors are equal, false otherwise.
     */
    equals(other: Color): boolean;
    /**
     * Converts the color to another format.
     * @param {ColorConvertOptions} [opt] - The options for the conversion.
     * @param {string} [opt.format] - The target format.
     * @param {number} [opt.numChannels] - The number of channels in the target format.
     * @param {number} [opt.alpha] - The alpha value in the target format.
     * @returns {Color} The converted color.
     */
    convert(opt?: ColorConvertOptions): Color;
}