import vtkDataArray from './../../Common/Core/DataArray';
import vtkPolyData from './../../Common/DataModel/PolyData';
import { vtkObject } from './../../interfaces';
import vtkProp from './../../Rendering/Core/Prop';
export interface IDisplayScaleParams {
  dispHeightFactor: number;
  cameraPosition: number[];
  cameraDir: number[];
  isParallel: boolean;
  rendererPixelDims: number[];
}

export interface IWidgetRepresentationInitialValues {
  labels?: Array<any>;
  coincidentTopologyParameters?: object;
  displayScaleParams?: IDisplayScaleParams;
  scaleInPixels?: boolean;
}

export interface vtkWidgetRepresentation extends vtkProp {
  getLabels(): Array<any>;
  setLabels(labels: Array<any>): void;

  /**
   * Gets the coincident topology parameters applied on the actor mappers
   */
  getCoincidentTopologyParameters(): object;
  /**
   * Sets the coincident topology parameters applied on the actor mappers
   */
  setCoincidentTopologyParameters(parameters: object): boolean;

  /**
   * Sets the current view and camera scale parameters.
   * Called by the WidgetManager.
   * @see setScaleInPixels()
   */
  setDisplayScaleParams(params: object): boolean;

  /**
   * Gets wether actors should have a fix size in display coordinates.
   * @see setScaleInPixels()
   */
  getScaleInPixels(): boolean;

  /**
   * Sets wether actors should have a fix size in display coordinates.
   * @see getScaleInPixels()
   */
  setScaleInPixels(scale: boolean): boolean;
}

/**
 * Method use to decorate a given object (publicAPI+model) with vtkWidgetRepresentation characteristics.
 *
 * @param publicAPI object on which methods will be bounds (public)
 * @param model object on which data structure will be bounds (protected)
 * @param {IWidgetRepresentationInitialValues} [initialValues] (default: {})
 */
export function extend(
  publicAPI: object,
  model: object,
  initialValues?: IWidgetRepresentationInitialValues
): void;

/**
 * Method use to create a new instance of vtkWidgetRepresentation
 * @param {IWidgetRepresentationInitialValues} [initialValues] for pre-setting some of its content
 */
export function newInstance(
  initialValues?: IWidgetRepresentationInitialValues
): vtkWidgetRepresentation;

/**
 * Static function to get the pixel size of a 3D point.
 * @param {Number[]} worldCoord 3D point in world coordinates
 * @param {IDisplayScaleParams} displayScaleParams Display and camera information
 */
export function getPixelWorldHeightAtCoord(
  worldCoord: number[],
  displayScaleParams: IDisplayScaleParams
): number[];

export interface IWidgetPipeline {
  source?: object;
  filter?: object;
  glyph?: object;
  mapper: object;
  actor: object;
}
/**
 * If provided, connects `source` (dataset or filter) to `filter`.
 * If provided, connects `filter` (otherwise `source`) to mapper
 * If provided, connects glyph as 2nd input to mapper. This is typically for the glyph mapper.
 * Connects mapper to actor.
 * @param {IWidgetPipeline} pipeline of source, filter, mapper and actor to connect
 */
export function connectPipeline(pipeline: IWidgetPipeline): void;

/**
 * Allocate or resize a vtkPoint(name='point'), vtkCellArray (name=
 * 'line'|'poly') or vtkDataArray (name=any) and add it to the vtkPolyData.
 * If allocated, the array is automatically added to the polydata
 * Connects mapper to actor.
 * @param {vtkPolyData} polyData The polydata to add array to
 * @param {string} name The name of the array to add (special handling for
 * 'point', 'line, 'poly')
 * @param {Number} numberOfTuples The number of tuples to (re)allocate.
 * @param {String} dataType The typed array type name.
 * @param {Number} numberOfComponents The number of components of the array.
 */
export function allocateArray(
  polyData: vtkPolyData,
  name: string,
  numberOfTuples: number,
  dataType?: string,
  numberOfComponents?: number
): vtkDataArray | null;

export declare const vtkWidgetRepresentation: {
  newInstance: typeof newInstance;
  extend: typeof extend;
};
export default vtkWidgetRepresentation;
