export interface TextureData {
    uuid?: string;
    name?: string;
    source?: string;
    path?: string;
    folder?: string;
    namespace?: string;
    id?: string;
    group?: string;
    width?: number;
    height?: number;
    uv_width?: number;
    uv_height?: number;
    render_mode?: 'default' | 'emissive' | 'additive' | 'layered';
    render_sides?: 'auto' | 'front' | 'back' | 'double';
    pbr_channel?: 'color' | 'normal' | 'roughness' | 'metallic' | 'emissive';
    visible?: boolean;
    particle?: boolean;
    use_as_default?: boolean;
    layers_enabled?: boolean;
    sync_to_project?: string;
    frame_time?: number;
    frame_order_type?: 'linear' | 'ping_pong' | 'random';
    mode?: 'bitmap' | 'link';
    [key: string]: any;
}
export declare class Texture {
    uuid: string;
    name: string;
    source: string;
    path?: string;
    folder?: string;
    namespace?: string;
    id?: string;
    group?: string;
    width: number;
    height: number;
    uv_width: number;
    uv_height: number;
    render_mode: 'default' | 'emissive' | 'additive' | 'layered';
    render_sides: 'auto' | 'front' | 'back' | 'double';
    pbr_channel: 'color' | 'normal' | 'roughness' | 'metallic' | 'emissive';
    visible: boolean;
    selected: boolean;
    multi_selected: boolean;
    show_icon: boolean;
    particle: boolean;
    use_as_default: boolean;
    layers_enabled: boolean;
    sync_to_project?: string;
    mode: 'bitmap' | 'link';
    currentFrame: number;
    frame_time: number;
    frame_order_type: 'linear' | 'ping_pong' | 'random';
    saved: boolean;
    error: number;
    internal: boolean;
    source_overwritten: boolean;
    keep_size?: boolean;
    layers: any[];
    selected_layer: any;
    flags: Set<string>;
    offset: [number, number];
    canvas?: HTMLCanvasElement;
    ctx?: CanvasRenderingContext2D;
    constructor(data?: TextureData, uuid?: string);
    extend(data: TextureData): this;
    getUVWidth(): number;
    getUVHeight(): number;
    /**
     * Get display height (accounts for frame count in animated textures)
     */
    get display_height(): number;
    /**
     * Get frame count if texture is animated
     */
    get frameCount(): number;
    /**
     * Set frame count
     */
    setFrameCount(count: number): void;
    /**
     * Get aspect ratio
     */
    get ratio(): number;
    /**
     * Check if texture is valid
     */
    isValid(): boolean;
    /**
     * Get texture size as array
     */
    getSize(): [number, number];
    /**
     * Get UV size as array
     */
    getUVSize(): [number, number];
    /**
     * Check if texture has layers enabled
     */
    hasLayers(): boolean;
    /**
     * Get layer by UUID
     */
    getLayer(uuid: string): any | null;
    /**
     * Add layer to texture
     */
    addLayer(layer: any): void;
    /**
     * Remove layer from texture
     */
    removeLayer(uuid: string): boolean;
    /**
     * Get default texture from list
     */
    static getDefault(textures: Texture[]): Texture | undefined;
    /**
     * Reopen texture (reload from source)
     */
    reopen(): void;
    /**
     * Get active canvas for painting
     * Returns the canvas from the active layer or the texture's main canvas
     */
    getActiveCanvas(): {
        canvas: HTMLCanvasElement;
        ctx: CanvasRenderingContext2D;
        offset: [number, number];
    };
    /**
     * Get or create canvas element
     */
    getCanvas(): HTMLCanvasElement;
    /**
     * Update changes after edit
     * Framework adapters should override this to update materials
     */
    updateChangesAfterEdit(): void;
    /**
     * Convert to internal texture (for editing)
     */
    convertToInternal(): void;
    /**
     * Get active layer
     */
    getActiveLayer(): TextureLayer | null;
    /**
     * Update layer changes
     */
    updateLayerChanges(): void;
    /**
     * Check if texture is default
     */
    get isDefault(): boolean;
    /**
     * Get save copy
     */
    getSaveCopy(): any;
    /**
     * Get undo copy
     */
    getUndoCopy(): any;
}
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