@kitware/vtk.js/Widgets/Widgets3D/AngleWidget.js

Visualization Toolkit for the Web

import _defineProperty from '@babel/runtime/helpers/defineProperty';
import macro from '../../macros.js';
import vtkAbstractWidgetFactory from '../Core/AbstractWidgetFactory.js';
import vtkPlanePointManipulator from '../Manipulators/PlaneManipulator.js';
import vtkPolyLineRepresentation from '../Representations/PolyLineRepresentation.js';
import vtkSphereHandleRepresentation from '../Representations/SphereHandleRepresentation.js';
import { s as subtract, R as angleBetweenVectors } from '../../Common/Core/Math/index.js';
import widgetBehavior from './AngleWidget/behavior.js';
import generateState from './AngleWidget/state.js';
import { ViewTypes } from '../Core/WidgetManager/Constants.js';

function ownKeys(object, enumerableOnly) { var keys = Object.keys(object); if (Object.getOwnPropertySymbols) { var symbols = Object.getOwnPropertySymbols(object); enumerableOnly && (symbols = symbols.filter(function (sym) { return Object.getOwnPropertyDescriptor(object, sym).enumerable; })), keys.push.apply(keys, symbols); } return keys; }

function _objectSpread(target) { for (var i = 1; i < arguments.length; i++) { var source = null != arguments[i] ? arguments[i] : {}; i % 2 ? ownKeys(Object(source), !0).forEach(function (key) { _defineProperty(target, key, source[key]); }) : Object.getOwnPropertyDescriptors ? Object.defineProperties(target, Object.getOwnPropertyDescriptors(source)) : ownKeys(Object(source)).forEach(function (key) { Object.defineProperty(target, key, Object.getOwnPropertyDescriptor(source, key)); }); } return target; }
// Factory
// ----------------------------------------------------------------------------

function vtkAngleWidget(publicAPI, model) {
  model.classHierarchy.push('vtkAngleWidget'); // --- Widget Requirement ---------------------------------------------------

  model.methodsToLink = ['activeScaleFactor', 'activeColor', 'useActiveColor', 'glyphResolution', 'defaultScale', 'scaleInPixels'];

  model._onManipulatorChanged = function () {
    model.widgetState.getMoveHandle().setManipulator(model.manipulator);
    model.widgetState.getHandleList().forEach(function (handle) {
      handle.setManipulator(model.manipulator);
    });
  };

  publicAPI.getRepresentationsForViewType = function (viewType) {
    switch (viewType) {
      case ViewTypes.DEFAULT:
      case ViewTypes.GEOMETRY:
      case ViewTypes.SLICE:
      case ViewTypes.VOLUME:
      default:
        return [{
          builder: vtkSphereHandleRepresentation,
          labels: ['handles', 'moveHandle']
        }, {
          builder: vtkPolyLineRepresentation,
          labels: ['handles', 'moveHandle']
        }];
    }
  }; // --- Public methods -------------------------------------------------------
  // Returns angle in radians


  publicAPI.getAngle = function () {
    var handles = model.widgetState.getHandleList();

    if (handles.length !== 3) {
      return 0;
    }

    if (!handles[0].getOrigin() || !handles[1].getOrigin() || !handles[2].getOrigin()) {
      return 0;
    }

    var vec1 = [0, 0, 0];
    var vec2 = [0, 0, 0];
    subtract(handles[0].getOrigin(), handles[1].getOrigin(), vec1);
    subtract(handles[2].getOrigin(), handles[1].getOrigin(), vec2);
    return angleBetweenVectors(vec1, vec2);
  }; // --------------------------------------------------------------------------
  // initialization
  // --------------------------------------------------------------------------


  model.widgetState.onBoundsChange(function (bounds) {
    var center = [(bounds[0] + bounds[1]) * 0.5, (bounds[2] + bounds[3]) * 0.5, (bounds[4] + bounds[5]) * 0.5];
    model.widgetState.getMoveHandle().setOrigin(center);
  }); // Default manipulator

  publicAPI.setManipulator(model.manipulator || vtkPlanePointManipulator.newInstance({
    useCameraNormal: true
  }));
} // ----------------------------------------------------------------------------


var defaultValues = function defaultValues(initialValues) {
  return _objectSpread({
    // manipulator: null,
    behavior: widgetBehavior,
    widgetState: generateState()
  }, initialValues);
}; // ----------------------------------------------------------------------------


function extend(publicAPI, model) {
  var initialValues = arguments.length > 2 && arguments[2] !== undefined ? arguments[2] : {};
  Object.assign(model, defaultValues(initialValues));
  vtkAbstractWidgetFactory.extend(publicAPI, model, initialValues);
  macro.setGet(publicAPI, model, ['manipulator']);
  vtkAngleWidget(publicAPI, model);
} // ----------------------------------------------------------------------------

var newInstance = macro.newInstance(extend, 'vtkAngleWidget'); // ----------------------------------------------------------------------------

var vtkAngleWidget$1 = {
  newInstance: newInstance,
  extend: extend
};

export { vtkAngleWidget$1 as default, extend, newInstance };