@syncfusion/ej2-charts
Version:
Feature-rich chart control with built-in support for over 25 chart types, technical indictors, trendline, zooming, tooltip, selection, crosshair and trackball.
77 lines (76 loc) • 2.5 kB
TypeScript
import { Chart } from '../../chart/chart';
import { AccumulationChart } from '../../accumulation-chart/accumulation';
import { ChartAnnotationSettings } from '../../chart/model/chart-base';
import { ChartLocation } from '../utils/helper';
import { Alignment, Position } from '../utils/enum';
import { AccumulationAnnotationSettings } from '../../accumulation-chart/model/acc-base';
/**
* Annotation module handles the annotation for chart and accumulation series.
*/
export declare class AnnotationBase {
private control;
private annotation;
private isChart;
/**
* Constructor for chart and accumulation annotation
*
* @param control
*/
constructor(control: Chart | AccumulationChart);
/**
* Method to render the annotation for chart and accumulation series.
*
* @private
* @param annotation
* @param index
*/
render(annotation: AccumulationAnnotationSettings | ChartAnnotationSettings, index: number): HTMLElement;
/**
* Method to calculate the location for annotation - coordinate unit as pixel.
*
* @private
* @param location
*/
setAnnotationPixelValue(location: ChartLocation): boolean;
/**
* Method to calculate the location for annotation - coordinate unit as point.
*
* @private
* @param location
*/
setAnnotationPointValue(location: ChartLocation): boolean;
/**
* To process the annotation for accumulation chart.
*
* @private
* @param annotation
* @param index
* @param parentElement
*/
processAnnotation(annotation: ChartAnnotationSettings | AccumulationAnnotationSettings, index: number, parentElement: HTMLElement): void;
/**
* Method to calculate the location for annotation - coordinate unit as point in accumulation chart.
*
* @private
* @param location
*/
setAccumulationPointValue(location: ChartLocation): boolean;
/**
* Method to set the element style for accumulation / chart annotation.
*
* @private
* @param location
* @param element
* @param parentElement
*/
setElementStyle(location: ChartLocation, element: HTMLElement, parentElement: HTMLElement): void;
/**
* Method to calculate the alignment value for annotation.
*
* @private
* @param alignment
* @param size
* @param value
*/
setAlignmentValue(alignment: Alignment | Position, size: number, value: number): number;
}