import type { WebGLRenderer } from "three";
import type { UILayer } from "../../layers/UILayer/UILayer";
import { UIColor } from "../../miscellaneous/color/UIColor";
import type { UIColorConfig } from "../../miscellaneous/color/UIColor.Internal";
import { UIElement } from "../UIElement/UIElement";
import type { UIGraphicsOptions } from "./UIGraphics.Internal";
/** Canvas-based 2D drawing element */
export declare class UIGraphics extends UIElement {
    private readonly colorInternal;
    private readonly canvas;
    private readonly context;
    private readonly texture;
    /**
     * Creates a new UIGraphics instance.
     *
     * @param layer - Layer containing this element
     * @param options - Configuration options
     */
    constructor(layer: UILayer, options?: Partial<UIGraphicsOptions>);
    /** Multiplicative tint. Alpha channel controls opacity. */
    get color(): UIColor;
    /** Multiplicative tint. Alpha channel controls opacity. */
    set color(value: UIColorConfig);
    /**
     * Clears canvas. Optionally fills with color.
     *
     * @param color - Fill color after clearing
     */
    clear(color?: UIColorConfig): this;
    /** Draws filled rectangle */
    drawRect(x: number, y: number, width: number, height: number, color: UIColorConfig): this;
    /** Draws filled circle */
    drawCircle(x: number, y: number, radius: number, color: UIColorConfig): this;
    /**
     * Draws filled arc.
     *
     * @param startAngle - Start angle in radians
     * @param endAngle - End angle in radians
     */
    drawArc(x: number, y: number, radius: number, startAngle: number, endAngle: number, color: UIColorConfig): this;
    /**
     * Draws connected line segments.
     *
     * @param points - Array of [x, y] pairs
     * @param lineWidth - Line width in pixels
     */
    drawPolyline(points: [number, number][], color: UIColorConfig, lineWidth?: number): this;
    /** Removes element and frees resources */
    destroy(): void;
    protected onWillRender(renderer: WebGLRenderer, deltaTime: number): void;
}