/**
 * A color manipulation object.
 * @category Math
 */
export declare class Color {
    private glArray;
    /**
     * Creates a new Color instance.
     * @param r - A Color object or the red component [0 .. 255]. Defaults to 0.
     * @param g - The green component [0 .. 255]. Defaults to 0.
     * @param b - The blue component [0 .. 255]. Defaults to 0.
     * @param alpha - The alpha value [0.0 .. 1.0]. Defaults to 1.
     */
    constructor(r?: Color | string | number, g?: number, b?: number, alpha?: number);
    /**
     * Gets the red component of the color.
     * @returns The red component [0 .. 255].
     */
    get r(): number;
    /**
     * Sets the red component of the color.
     * @param value - The red component [0 .. 255].
     */
    set r(value: number);
    /**
     * Gets the green component of the color.
     * @returns The green component [0 .. 255].
     */
    get g(): number;
    /**
     * Sets the green component of the color.
     * @param value - The green component [0 .. 255].
     */
    set g(value: number);
    /**
     * Gets the blue component of the color.
     * @returns The blue component [0 .. 255].
     */
    get b(): number;
    /**
     * Sets the blue component of the color.
     * @param value - The blue component [0 .. 255].
     */
    set b(value: number);
    /**
     * Gets the alpha component of the color.
     * @returns The alpha component [0.0 .. 1.0].
     */
    get alpha(): number;
    /**
     * Sets the alpha component of the color.
     * @param value - The alpha component [0.0 .. 1.0].
     */
    set alpha(value: number);
    /**
     * Sets the color to the specified values.
     * @param r - The red component [0 .. 255].
     * @param g - The green component [0 .. 255].
     * @param b - The blue component [0 .. 255].
     * @param [alpha] - The alpha value [0.0 .. 1.0]. Defaults to 1.
     * @returns Reference to this object for method chaining.
     */
    setColor(r?: number, g?: number, b?: number, alpha?: number): this;
    /**
     * Sets the color to the specified normalized float values.
     * @param r - The red component [0.0 .. 1.0].
     * @param g - The green component [0.0 .. 1.0].
     * @param b - The blue component [0.0 .. 1.0].
     * @param [alpha=1.0] - The alpha value [0.0 .. 1.0]. Defaults to 1.
     * @returns Reference to this object for method chaining.
     */
    setFloat(r: number, g: number, b: number, alpha?: number): this;
    /**
     * Sets the color to the specified HSV values.
     * @param h - The hue [0 .. 1].
     * @param s - The saturation [0 .. 1].
     * @param v - The value [0 .. 1].
     * @returns Reference to this object for method chaining.
     */
    setHSV(h: number, s: number, v: number): this;
    /**
     * Sets the color to the specified HSL values.
     * @param h - The hue [0 .. 1].
     * @param s - The saturation [0 .. 1].
     * @param l - The lightness [0 .. 1].
     * @returns Reference to this object for method chaining.
     */
    setHSL(h: number, s: number, l: number): this;
    /**
     * Creates a new copy of this color object.
     * @returns Reference to the newly cloned object.
     */
    clone(): Color;
    /**
     * Copies a color object or CSS color into this one.
     * @param color - The color to copy.
     * @returns Reference to this object for method chaining.
     */
    copy(color: Color | string): this;
    /**
     * Blends this color with the given one using addition.
     * @param color - The color to blend with.
     * @returns Reference to this object for method chaining.
     */
    add(color: Color): this;
    /**
     * Darkens this color value by a given scale.
     * @param scale - The scale to darken the color by [0 .. 1].
     * @returns Reference to this object for method chaining.
     */
    darken(scale: number): this;
    /**
     * Linearly interpolates between this color and the given one.
     * @param color - The color to interpolate with.
     * @param alpha - The interpolation factor, with alpha = 0 being this color, and alpha = 1 being the given one.
     * @returns Reference to this object for method chaining.
     */
    lerp(color: Color, alpha: number): this;
    /**
     * Lightens this color value by a given scale
     * @param scale - The scale to lighten the color by [0 .. 1].
     * @returns Reference to this object for method chaining.
     */
    lighten(scale: number): this;
    /**
     * Generate random r,g,b values for this color object
     * @param [min] - minimum value for the random range
     * @param [max] - maxmium value for the random range
     * @returns Reference to this object for method chaining
     */
    random(min?: number, max?: number): this;
    /**
     * Checks if this color is equal to another.
     * @param color - The color to compare with.
     * @returns True if the colors are equal, otherwise false.
     */
    equals(color: Color): boolean;
    /**
     * Parse a CSS color name and set this color to the corresponding r,g,b values
     * @param cssColor - The CSS color name
     * @returns Reference to this object for method chaining
     */
    parseCSS(cssColor: string): this;
    /**
     * Parse an RGB or RGBA CSS color string
     * @param rgbColor - The RGB or RGBA color string to parse
     * @returns Reference to this object for method chaining
     */
    parseRGB(rgbColor: string): this;
    /**
     * Parse a Hex color ("#RGB", "#RGBA" or "#RRGGBB", "#RRGGBBAA" format) and set this color to
     * the corresponding r,g,b,a values
     * @param hexColor - The Hex color string to parse
     * @param [argb] - true if format is #ARGB, or #AARRGGBB (as opposed to #RGBA or #RGGBBAA)
     * @returns Reference to this object for method chaining
     */
    parseHex(hexColor: `#${string}`, argb?: boolean): this;
    /**
     * Pack this color RGB components into a Uint32 ARGB representation
     * @param [alpha] - alpha value [0.0 .. 1.0]
     * @returns A Uint32 ARGB representation of this color
     */
    toUint32(alpha?: number): number;
    /**
     * return a Float Array representation of this object
     * @returns A Float Array representation of this color
     */
    toArray(): Float32Array<ArrayBufferLike>;
    /**
     * return the color in "#RRGGBB" format
     * @returns The color in "#RRGGBB" format
     */
    toHex(): string;
    /**
     * Get the color in "#RRGGBBAA" format
     * @param alpha - The alpha value [0.0 .. 1.0] to use in the output string.
     * @returns The color in "#RRGGBBAA" format
     */
    toHex8(alpha?: number): string;
    /**
     * Get the color in "rgb(R,G,B)" format
     * @returns The color in "rgb(R,G,B)" format
     */
    toRGB(): `rgb(${number},${number},${number})`;
    /**
     * Get the color in "rgba(R,G,B,A)" format
     * @param [alpha] - alpha value [0.0 .. 1.0]
     * @returns The color in "rgba(R,G,B,A)" format
     */
    toRGBA(alpha?: number): `rgba(${number},${number},${number},${number})`;
}
export declare const colorPool: import("../system/pool.ts").Pool<Color, [r?: string | number | Color | undefined, g?: number | undefined, b?: number | undefined, alpha?: number | undefined]>;
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