import Annotation from './Annotation';
import Viewer from '../viewer/Viewer';
import ViewState from '../ViewState';
import MprImageSource from '../image-source/MprImageSource';
import RawData from '../../common/RawData';
/**
 * VoxelCloud is a type of Annotation that can be registered to a Composition.
 * This represents one voxel cloud annotation (aka voxel label).
 * An instance of VoxelCloud can be updated manually by the consumer
 * of CIRCUS RS, or automatically by various cloud manipulation tools.
 */
export default class VoxelCloud implements Annotation {
    /**
     * ShadowCanvas is a background canvas used to perform
     * various pixel-based composite operations.
     */
    private static shadowCanvas;
    /**
     * Displayed color of the cloud, in the form of '#ff00ff'
     */
    color?: string;
    /**
     * Alpha value of the cloud, must be between 0.0 and 1.0
     */
    alpha?: number;
    /**
     * Actual volume data. The pixelFormat must be set to Binary.
     */
    volume?: RawData;
    /**
     * The position of the origin of this volume data
     * in the voxel coordinate of ImageSource.
     * Should be in voxel coordinate (not in mm)!
     */
    origin?: [number, number, number];
    /**
     * Determines whether this VoxelCloud is the target of the
     * cloud manipulation tools (e.g., BrushTool, EraserTool).
     */
    active: boolean;
    /**
     * If set to true, draws some additional marks useful for debugging.
     */
    debugPoint: boolean;
    private _voxelSize?;
    private _expanded;
    readonly expanded: boolean;
    /**
     * Prepares a shadow canvas, which is large enough to contain
     * the given size. The shadow canvas can be used to
     * perform background image processing.
     */
    private prepareShadowCanvas;
    private toMillimeter;
    /**
     * Removes zero-area along the bounding box.
     * @returns True if the volume has at least one nonzero voxel
     * and the minimization succeeded
     */
    shrinkToMinimum(): boolean;
    /**
     * Expands this volume so that it covers the entire volume of
     * the parent volume image source.
     */
    expandToMaximum(source: MprImageSource): void;
    draw(viewer: Viewer, viewState: ViewState): void;
}