scichart
Version:
Fast WebGL JavaScript Charting Library and Framework
100 lines (99 loc) • 5.96 kB
JavaScript
;
var __extends = (this && this.__extends) || (function () {
var extendStatics = function (d, b) {
extendStatics = Object.setPrototypeOf ||
({ __proto__: [] } instanceof Array && function (d, b) { d.__proto__ = b; }) ||
function (d, b) { for (var p in b) if (Object.prototype.hasOwnProperty.call(b, p)) d[p] = b[p]; };
return extendStatics(d, b);
};
return function (d, b) {
if (typeof b !== "function" && b !== null)
throw new TypeError("Class extends value " + String(b) + " is not a constructor or null");
extendStatics(d, b);
function __() { this.constructor = d; }
d.prototype = b === null ? Object.create(b) : (__.prototype = b.prototype, new __());
};
})();
Object.defineProperty(exports, "__esModule", { value: true });
exports.PolarMountainSeriesHitTestProvider = void 0;
var Point_1 = require("../../../../../Core/Point");
var HitTestInfo_1 = require("../../HitTest/HitTestInfo");
var hitTestHelpers_1 = require("../../HitTest/hitTestHelpers");
var annotationHelpers_1 = require("../../../Annotations/annotationHelpers");
var AnnotationBase_1 = require("../../../Annotations/AnnotationBase");
var pointUtil_1 = require("../../../../../utils/pointUtil");
var PolarDataPointHitTestProvider_1 = require("./PolarDataPointHitTestProvider");
var DpiHelper_1 = require("../../../TextureManager/DpiHelper");
var polarHitTestHelpers_1 = require("./polarHitTestHelpers");
var DEFAULT_RADIUS = 10;
/**
* Hit-test provider for {@link PolarMountainRenderableSeries}. See base class {@link BaseHitTestProvider} for further info.
* Does not support vertical charts
*/
var PolarMountainSeriesHitTestProvider = /** @class */ (function (_super) {
__extends(PolarMountainSeriesHitTestProvider, _super);
function PolarMountainSeriesHitTestProvider() {
return _super !== null && _super.apply(this, arguments) || this;
}
/** @inheritDoc */
PolarMountainSeriesHitTestProvider.prototype.hitTest = function (x, y) {
return this.hitTestMountainBody(x, y);
};
/** @inheritDoc */
PolarMountainSeriesHitTestProvider.prototype.hitTestDataPoint = function (x, y, hitTestRadius) {
var radius = hitTestRadius > 0 ? hitTestRadius : DEFAULT_RADIUS;
return _super.prototype.hitTestDataPoint.call(this, x, y, radius);
};
/** @inheritDoc */
PolarMountainSeriesHitTestProvider.prototype.hitTestXSlice = function (x, y) {
return this.hitTestMountainBody(x, y);
};
/**
* Does not support ve
* @param x
* @param y
* @returns
*/
PolarMountainSeriesHitTestProvider.prototype.hitTestMountainBody = function (x, y) {
var _this = this;
// convert to polar and add necessary offset
var hitTestPoint = this.getTranslatedHitTestPoint(x, y);
if (!hitTestPoint) {
return HitTestInfo_1.HitTestInfo.empty();
}
var xPolarAxis = this.parentSeries.xAxis;
var hitTestPointPolar = xPolarAxis.reverseTransform(hitTestPoint.x, hitTestPoint.y);
var _a = this.currentRenderPassData, xCoordinateCalculator = _a.xCoordinateCalculator, yCoordinateCalculator = _a.yCoordinateCalculator;
var xHitPolarCoord = hitTestPointPolar.x;
var yHitPolarCoord = hitTestPointPolar.y;
var dataSeries = this.parentSeries.dataSeries;
if (!dataSeries) {
return HitTestInfo_1.HitTestInfo.empty();
}
var _b = polarHitTestHelpers_1.polarHitTestHelpers.getNearestPolarPointXDirSorted(this.webAssemblyContext, xCoordinateCalculator, yCoordinateCalculator, dataSeries, xHitPolarCoord, yHitPolarCoord), nearestPointIndex = _b.nearestPointIndex, distance = _b.distance, secondNearestPointIndex = _b.secondNearestPointIndex;
var isCategoryAxis = xCoordinateCalculator.isCategoryCoordinateCalculator;
var xNativeValues = isCategoryAxis ? dataSeries.getNativeIndexes() : dataSeries.getNativeXValues();
var yNativeValues = dataSeries.getNativeYValues();
var isHit = false;
var isWithinDataBounds = false;
if (secondNearestPointIndex != -1) {
isWithinDataBounds = true;
var getCartesianCoordsFn = function (xValue$, yValue$) {
var angle = xCoordinateCalculator.getCoordinate(xValue$);
var radius = yCoordinateCalculator.getCoordinate(yValue$);
var res = annotationHelpers_1.annotationHelpers.convertPolarToCartesian(xPolarAxis, false, _this.webAssemblyContext, AnnotationBase_1.ECoordinateMode.Pixel, angle * DpiHelper_1.DpiHelper.PIXEL_RATIO, radius);
return new Point_1.Point(res.x, res.y);
};
var centerPointCoord = getCartesianCoordsFn(0, 0);
var firstPointCoord = getCartesianCoordsFn(xNativeValues.get(nearestPointIndex), yNativeValues.get(nearestPointIndex));
var secondPointCoord = getCartesianCoordsFn(xNativeValues.get(secondNearestPointIndex), yNativeValues.get(secondNearestPointIndex));
isHit = (0, pointUtil_1.testPointInTriangle)(hitTestPoint.x, hitTestPoint.y, centerPointCoord.x, centerPointCoord.y, firstPointCoord.x, firstPointCoord.y, secondPointCoord.x, secondPointCoord.y);
}
var hitTestInfo = hitTestHelpers_1.hitTestHelpers.createHitTestInfo(this.parentSeries, xCoordinateCalculator, yCoordinateCalculator, false, dataSeries, xNativeValues, yNativeValues, xHitPolarCoord, yHitPolarCoord, nearestPointIndex, distance);
hitTestInfo.isHit = isHit;
hitTestInfo.isWithinDataBounds = isWithinDataBounds;
return hitTestInfo;
};
return PolarMountainSeriesHitTestProvider;
}(PolarDataPointHitTestProvider_1.PolarDataPointHitTestProvider));
exports.PolarMountainSeriesHitTestProvider = PolarMountainSeriesHitTestProvider;