import { PluginListeners } from './plugins.js';
import { CChart } from './module/cchart.js';
import { HtmlCanvas, HtmlCanvasContext } from './htmlcanvas.js';
import * as Data from './types/data.js';
import * as Anim from './types/anim.js';
import { Point, Rect, Line, TransformedRect } from './geom.js';
export declare enum EventType {
    click = "click",
    pointermove = "pointermove",
    pointerdown = "pointerdown",
    pointerup = "pointerup",
    pointerleave = "pointerleave",
    wheel = "wheel",
    update = "update",
    drawBegin = "draw-begin",
    drawComplete = "draw-complete",
    backgroundDraw = "background-draw",
    titleDraw = "title-draw",
    subtitleDraw = "subtitle-draw",
    captionDraw = "caption-draw",
    logoDraw = "logo-draw",
    legendBackgroundDraw = "legend-background-draw",
    legendTitleDraw = "legend-title-draw",
    legendLabelDraw = "legend-label-draw",
    legendMarkerDraw = "legend-marker-draw",
    legendBarDraw = "legend-bar-draw",
    plotBackgroundDraw = "plot-background-draw",
    plotAreaDraw = "plot-area-draw",
    plotMarkerDraw = "plot-marker-draw",
    plotMarkerLabelDraw = "plot-marker-label-draw",
    plotMarkerGuideDraw = "plot-marker-guide-draw",
    plotAxisDraw = "plot-axis-draw",
    plotAxisTitleDraw = "plot-axis-title-draw",
    plotAxisLabelDraw = "plot-axis-label-draw",
    plotAxisTickDraw = "plot-axis-tick-draw",
    plotAxisGuideDraw = "plot-axis-guide-draw",
    plotAxisInterlacingDraw = "plot-axis-interlacing-draw",
    animationBegin = "animation-begin",
    animationComplete = "animation-complete"
}
export interface EventMap {
    [EventType.click]: PointerEvent;
    [EventType.pointermove]: PointerEvent;
    [EventType.pointerdown]: PointerEvent;
    [EventType.pointerup]: PointerEvent;
    [EventType.pointerleave]: PointerEvent;
    [EventType.wheel]: WheelEvent;
    [EventType.update]: UpdateEvent;
    [EventType.drawBegin]: Event<Element>;
    [EventType.drawComplete]: Event<Element>;
    [EventType.backgroundDraw]: RectDrawEvent<Root>;
    [EventType.titleDraw]: TextDrawEvent<Title>;
    [EventType.subtitleDraw]: TextDrawEvent<Subtitle>;
    [EventType.captionDraw]: TextDrawEvent<Caption>;
    [EventType.logoDraw]: RectDrawEvent<Logo>;
    [EventType.legendBackgroundDraw]: RectDrawEvent<Legend>;
    [EventType.legendTitleDraw]: TextDrawEvent<LegendTitle>;
    [EventType.legendLabelDraw]: TextDrawEvent<LegendLabel>;
    [EventType.legendMarkerDraw]: RectDrawEvent<LegendMarker>;
    [EventType.legendBarDraw]: RectDrawEvent<LegendBar>;
    [EventType.plotBackgroundDraw]: RectDrawEvent<Plot>;
    [EventType.plotAreaDraw]: RectDrawEvent<Area>;
    [EventType.plotMarkerDraw]: RectDrawEvent<Marker>;
    [EventType.plotMarkerLabelDraw]: TextDrawEvent<MarkerLabel>;
    [EventType.plotMarkerGuideDraw]: LineDrawEvent<MarkerGuide>;
    [EventType.plotAxisDraw]: LineDrawEvent<Axis>;
    [EventType.plotAxisTitleDraw]: TextDrawEvent<AxisTitle>;
    [EventType.plotAxisLabelDraw]: TextDrawEvent<AxisLabel>;
    [EventType.plotAxisTickDraw]: LineDrawEvent<AxisTick>;
    [EventType.plotAxisGuideDraw]: LineDrawEvent<AxisGuide>;
    [EventType.plotAxisInterlacingDraw]: RectDrawEvent<AxisInterlacing>;
    [EventType.animationBegin]: Event<Element>;
    [EventType.animationComplete]: Event<Element>;
}
/** Abstract Element interface for chart elements. */
export interface Element {
    /** Name of the chart element type. */
    tagName: string;
    /** Parent element of the chart element. */
    parent?: Element;
}
/** Element with a string value. */
export interface TextElement extends Element {
    value: string;
}
/** Element with an orientation value. */
export interface OrientedElement extends Element {
    id: 'x' | 'y';
}
/** Root element of the chart. */
export interface Root extends Element {
    tagName: 'root';
}
/** Plot element of the chart. */
export interface Plot extends Element {
    tagName: 'plot';
}
/** Main title element of the chart. */
export interface Title extends TextElement {
    tagName: 'title';
}
/** Subtitle element of the chart. */
export interface Subtitle extends TextElement {
    tagName: 'subtitle';
}
/** Caption element of the chart. */
export interface Caption extends TextElement {
    tagName: 'caption';
}
/** Legend element of the chart. */
export interface Legend extends Element {
    tagName: 'legend';
    channel: string;
}
/** Logo element of the chart. */
export interface Logo extends Element {
    tagName: 'logo';
}
/** Plot area element of the chart. */
export interface Area extends Element {
    tagName: 'plot-area';
}
/** Plot marker element of the chart representing a data point. */
export interface Marker extends Element {
    tagName: 'plot-marker';
    categories: Data.Record;
    values: Data.Record;
    /** Unique index of the marker. */
    index: number;
}
/** Label element of a marker element. */
export interface MarkerLabel extends TextElement {
    tagName: 'plot-marker-label';
    parent: Marker;
}
/** Guideline element of a marker element. */
export interface MarkerGuide extends OrientedElement {
    tagName: 'plot-marker-guide';
    parent: Marker;
}
/** Axis element of the plot. */
export interface Axis extends OrientedElement {
    tagName: 'plot-axis';
}
/** Label element of an axis element. */
export interface AxisLabel extends TextElement {
    tagName: 'plot-axis-label';
    parent: Axis;
    categories?: Data.Record;
}
/** Guideline element of an axis element. */
export interface AxisGuide extends Element {
    tagName: 'plot-axis-guide';
    parent: Axis;
}
/** Tick element of an axis element. */
export interface AxisTick extends Element {
    tagName: 'plot-axis-tick';
    parent: Axis;
}
/** Title element of an axis element. */
export interface AxisTitle extends TextElement {
    tagName: 'plot-axis-title';
    parent: Axis;
}
/** Interlacing element of an axis element. */
export interface AxisInterlacing extends Element {
    tagName: 'plot-axis-interlacing';
    parent: Axis;
}
/** Title element of a legend element. */
export interface LegendTitle extends TextElement {
    tagName: 'legend-title';
    parent: Legend;
}
/** Marker element of a legend element. */
export interface LegendMarker extends Element {
    tagName: 'legend-marker';
    parent: Legend;
    categories?: Data.Record;
}
/** Label element of a legend element. */
export interface LegendLabel extends TextElement {
    tagName: 'legend-label';
    parent: Legend;
    categories?: Data.Record;
}
/** Bar element of a legend element indicating a continous interval. */
export interface LegendBar extends Element {
    tagName: 'legend-bar';
    parent: Legend;
}
/** The interface of the event object is passed to event handlers by the library.
    Detail properties will vary by event type. */
export interface Event<T> {
    type: EventType;
    /** The element of the chart the event triggered on. */
    target: T | null;
    /** If called, the default action of the event will be canceled. */
    preventDefault(): void;
    /** For drawing events the rendering context of the underlying
    canvas set up for drawing the element. */
    renderingContext?: HtmlCanvasContext;
}
export interface PointerDetail {
    pointerId: number | null;
    position: Point;
}
/** Event for pointer/mouse events. */
export interface PointerEvent extends Event<Element> {
    detail: PointerDetail;
}
export interface WheelDetail {
    delta: number;
}
/** Event for mouse wheel change. */
export interface WheelEvent extends Event<Element> {
    detail: WheelDetail;
}
export interface UpdateDetail {
    position: Anim.Duration;
    progress: number;
}
/** Event emitted at every animation frame update. */
export interface UpdateEvent extends Event<Element> {
    detail: UpdateDetail;
}
export interface RectDrawDetail {
    rect: Rect;
    relative: boolean;
}
/** Event of drawing a rectangle or a marker
    (in which case rect is the boundary rectangle). */
export interface RectDrawEvent<T> extends Event<T> {
    detail: RectDrawDetail;
}
export interface LineDrawDetail {
    line: Line;
    relative: boolean;
}
/** Event of drawing a line. */
export interface LineDrawEvent<T> extends Event<T> {
    detail: LineDrawDetail;
}
/** Event of drawing a text. */
export interface TextDrawDetail {
    /** The transformed rectangle of the text with padding. */
    outerRect: TransformedRect;
    /** The rectangle of the text without padding, relative to outerRect. */
    innerRect: Rect;
    /** The horizontal alignment of the text which can take a value between -1 (left align) and 1 (right align). */
    align: number;
    text: string;
}
/** Event of drawing a text. */
export interface TextDrawEvent<T> extends Event<T> {
    detail: TextDrawDetail;
}
export type EventHandler<Event> = (event: Event) => void;
export declare class Events {
    private _cChart;
    private _canvas;
    private _eventHandlers;
    constructor(cChart: CChart, canvas: HtmlCanvas);
    add<T extends EventType>(eventName: T, handler: EventHandler<EventMap[T]>): void;
    private _getHandlers;
    remove<T extends EventType>(eventName: T, handler: EventHandler<EventMap[T]>): void;
    addMany(events: PluginListeners): void;
    removeMany(events: PluginListeners): void;
    private _invoke;
    private _isJSEvent;
    private _makeJSEventParam;
    private _makeCEventParam;
}