import { TextureId, TextureFormat } from '../types';

export interface TextureEntry {
    id: TextureId;
    format: TextureFormat;
    width: number;
    height: number;
    lastUpdated: number;
}
export interface ITextureStore {
    /** Create or update a 1D texture (for colormaps) */
    createOrUpdate1D(id: TextureId, data: Uint8Array, width?: number): void;
    /** Create or update a 2D texture */
    createOrUpdate2D(id: TextureId, data: Uint8Array, width: number, height: number): void;
    /** Get texture metadata */
    getInfo(id: TextureId): TextureEntry | undefined;
    /** Check if texture exists */
    has(id: TextureId): boolean;
    /** Delete a texture */
    delete(id: TextureId): void;
    /** Get all texture IDs */
    keys(): IterableIterator<TextureId>;
    /** Get texture count */
    readonly size: number;
    /** Cleanup all textures */
    destroy(): void;
}
/**
 * Abstract base class for texture stores
 */
export declare abstract class BaseTextureStore implements ITextureStore {
    protected entries: Map<string, TextureEntry>;
    abstract createOrUpdate1D(id: TextureId, data: Uint8Array, width?: number): void;
    abstract createOrUpdate2D(id: TextureId, data: Uint8Array, width: number, height: number): void;
    abstract delete(id: TextureId): void;
    abstract destroy(): void;
    getInfo(id: TextureId): TextureEntry | undefined;
    has(id: TextureId): boolean;
    keys(): IterableIterator<TextureId>;
    get size(): number;
}