import { ElementRef } from '@angular/core';
import { fmtNum } from '../shared/chart-utils';
import * as i0 from "@angular/core";
export interface VariwidePoint {
    label: string;
    y: number;
    w: number;
    color?: string;
}
export declare class VariwideChartComponent {
    readonly PAD_LEFT = 48;
    readonly PAD_TOP = 15;
    readonly PAD_RIGHT = 16;
    readonly PAD_BOTTOM = 32;
    data: import("@angular/core").InputSignal<VariwidePoint[]>;
    height: import("@angular/core").InputSignal<number>;
    showGrid: import("@angular/core").InputSignal<boolean>;
    showLegend: import("@angular/core").InputSignal<boolean>;
    colors: import("@angular/core").InputSignal<string[]>;
    showExport: import("@angular/core").InputSignal<boolean>;
    showLabels: import("@angular/core").InputSignal<boolean>;
    containerWidth: import("@angular/core").WritableSignal<number>;
    hoveredIndex: import("@angular/core").WritableSignal<number | null>;
    tooltip: import("@angular/core").WritableSignal<any>;
    tooltipX: import("@angular/core").WritableSignal<number>;
    tooltipY: import("@angular/core").WritableSignal<number>;
    exportMenuOpen: import("@angular/core").WritableSignal<boolean>;
    svgEl: import("@angular/core").Signal<ElementRef<SVGElement> | undefined>;
    innerW: import("@angular/core").Signal<number>;
    innerH: import("@angular/core").Signal<number>;
    constructor();
    totalWidthVal: import("@angular/core").Signal<number>;
    private allYValues;
    private yMin;
    private yMax;
    yTicks: import("@angular/core").Signal<number[]>;
    yPos(v: number): number;
    pointColor(i: number, p: VariwidePoint): string;
    computedPoints: import("@angular/core").Signal<{
        colX: number;
        colW: number;
        rectY: number;
        colH: number;
        color: string;
        label: string;
        y: number;
        w: number;
    }[]>;
    onColumnHover(idx: number, p: any, event: MouseEvent): void;
    onColumnMouseMove(event: MouseEvent): void;
    onMouseLeave(): void;
    toggleExportMenu(event: MouseEvent): void;
    closeExportMenu(): void;
    onExport(type: 'json' | 'csv' | 'svg' | 'pdf'): void;
    exportToJson(): void;
    exportToCsv(): void;
    exportToSvg(): void;
    exportToPdf(): void;
    readonly fmtNum: typeof fmtNum;
    static ɵfac: i0.ɵɵFactoryDeclaration<VariwideChartComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<VariwideChartComponent, "ngx-variwide-chart", never, { "data": { "alias": "data"; "required": false; "isSignal": true; }; "height": { "alias": "height"; "required": false; "isSignal": true; }; "showGrid": { "alias": "showGrid"; "required": false; "isSignal": true; }; "showLegend": { "alias": "showLegend"; "required": false; "isSignal": true; }; "colors": { "alias": "colors"; "required": false; "isSignal": true; }; "showExport": { "alias": "showExport"; "required": false; "isSignal": true; }; "showLabels": { "alias": "showLabels"; "required": false; "isSignal": true; }; }, {}, never, never, true, never>;
}