import * as THREE from "three";
import type { ZebraColorScheme, ZebraMappingMode } from "../../core/types.js";
/**
 * Internal settings for the zebra tool.
 */
interface ZebraSettings {
    stripeCount: number;
    stripeDirection: number;
    colorScheme: ZebraColorScheme;
    opacity: number;
    mappingMode: ZebraMappingMode;
}
/**
 * Zebra Analysis Tool for Three.js CAD Viewer
 * Visualizes surface continuity using alternating stripes
 */
export declare class ZebraTool {
    originalMaterials: Map<string, THREE.Material>;
    zebraMaterials: Map<string, THREE.ShaderMaterial>;
    settings: ZebraSettings;
    zebraTexture: THREE.CanvasTexture | null;
    constructor();
    /**
     * Create the zebra stripe texture
     */
    createZebraTexture(): void;
    /**
     * Create zebra shader material
     */
    createZebraMaterial(): THREE.ShaderMaterial;
    /**
     * Apply zebra material to a mesh
     */
    applyToMesh(mesh: THREE.Mesh, visible: boolean): void;
    /**
     * Restore original material to a mesh
     */
    restoreMesh(mesh: THREE.Mesh, visible: boolean): void;
    /**
     * Update stripe count
     */
    setStripeCount(count: number): void;
    /**
     * Update stripe direction (in degrees, 0-90° is sufficient)
     */
    setStripeDirection(angle: number): void;
    /**
     * Update color scheme
     */
    setColorScheme(scheme: "blackwhite" | "colorful" | "grayscale"): void;
    /**
     * Update stripe opacity (0.0 = show original material, 1.0 = full zebra)
     */
    setStripeOpacity(opacity: number): void;
    /**
     * Update mapping mode ('reflection' = Onshape-like, 'normal' = Fusion360/Shapr3D-like)
     */
    setMappingMode(mode: "reflection" | "normal"): void;
    /**
     * Update camera position for shaders (call in render loop).
     * No longer needed - view space calculations handle this automatically.
     * This method is kept for API compatibility.
     */
    update(): void;
    /**
     * Clean up resources
     */
    dispose(): void;
}
export {};