import type { FerrsignView3 } from "ferrsign";
import { Matrix3, Texture, Vector2 } from "three";
import type { UITextureConfig, UITextureTrim } from "./UITextureView.Internal";
/** Wrapper for Three.js texture with atlas and trim support. Does not own the underlying texture; user must dispose it. */
export declare class UITextureView {
    private textureInternal;
    private sourceWidth;
    private sourceHeight;
    private frameX;
    private frameY;
    private frameWidth;
    private frameHeight;
    private rotatedInternal;
    private scaleInternal;
    private trimLeft;
    private trimRight;
    private trimTop;
    private trimBottom;
    private textureDirtyInternal;
    private uvTransformDirtyInternal;
    private trimDirtyInternal;
    private readonly signalDimensionsChangedInternal;
    /** @param config Texture or atlas configuration */
    constructor(config?: UITextureConfig);
    /** Original width before trimming in world units */
    get width(): number;
    /** Original height before trimming in world units */
    get height(): number;
    /** Visible width after trimming in world units */
    get trimmedWidth(): number;
    /** Visible height after trimming in world units */
    get trimmedHeight(): number;
    /** Underlying Three.js texture */
    get texture(): Texture;
    /** Whether sprite is rotated in atlas */
    get rotated(): boolean;
    /** Scale factor for resolution independence */
    get scale(): number;
    /** Transparent padding around visible content */
    get trim(): Readonly<UITextureTrim>;
    get textureDirty(): boolean;
    /** Whether UV transform inputs changed since last check */
    get uvTransformDirty(): boolean;
    /** Whether trim values changed since last check */
    get trimDirty(): boolean;
    get signalDimensionsChanged(): FerrsignView3<number, number, UITextureView>;
    setTextureDirtyFalse(): void;
    /**
     * Calculates UV transform matrix for shader sampling.
     * @param result Matrix to store result in
     * @returns UV transform matrix
     */
    calculateUVTransform(result?: Matrix3): Matrix3;
    /**
     * Gets original dimensions before trimming.
     * @param result Vector to store result in
     * @returns Width and height in world units
     */
    getResolution(result?: Vector2): Vector2;
    /**
     * Replaces texture with new configuration.
     * @param config Texture or atlas configuration
     */
    set(config: UITextureConfig): void;
    private setFromTexture;
    private setFromAtlasConfig;
}