import { EventEmitter, ElementRef, OnInit, AfterViewInit, OnDestroy } from '@angular/core';
import { ControlContainer, ControlValueAccessor, UntypedFormControl } from '@angular/forms';
import { FromDataOptions, PointGroup } from 'signature_pad';
import { FromDataUrlOptions, InputType, OutputType } from '../interfaces';
import { SignaturePadOptions } from '../interfaces';
import * as i0 from "@angular/core";
export declare class SignaturePadControl implements AfterViewInit, OnInit, ControlValueAccessor, OnDestroy {
    private elementRef;
    private parentFormContainer;
    formControlName: string;
    options: Partial<SignaturePadOptions>;
    exportType: OutputType;
    canvasStylesObject: Partial<CSSStyleDeclaration>;
    drawStart: EventEmitter<boolean>;
    drawEnd: EventEmitter<boolean>;
    private signaturePad;
    disabled: boolean;
    onTouched: () => void;
    onChange: (value: InputType) => void;
    control: UntypedFormControl;
    constructor(elementRef: ElementRef, parentFormContainer: ControlContainer);
    writeValue(obj: InputType): void;
    registerOnChange(fn: any): void;
    registerOnTouched(fn: any): void;
    setDisabledState(isDisabled: boolean): void;
    setState(): void;
    ngOnInit(): void;
    ngAfterViewInit(): void;
    ngOnDestroy(): void;
    resizeCanvas(canvas: HTMLCanvasElement): void;
    toData(): Array<PointGroup>;
    fromData(points: Array<PointGroup>, options?: FromDataOptions): void;
    toDataURL(imageType?: string, quality?: number): string;
    fromDataURL(dataURL: string, options?: FromDataUrlOptions): void;
    clear(): void;
    isEmpty(): boolean;
    off(): void;
    on(): void;
    set(option: string, value: any): void;
    onBegin(): void;
    onEnd(): void;
    queryPad(): any;
    disableCanvas(): void;
    enableCanvas(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<SignaturePadControl, [null, { optional: true; host: true; skipSelf: true; }]>;
    static ɵcmp: i0.ɵɵComponentDeclaration<SignaturePadControl, "signature-pad-control", never, { "formControlName": { "alias": "formControlName"; "required": false; }; "options": { "alias": "options"; "required": false; }; "exportType": { "alias": "exportType"; "required": false; }; "canvasStylesObject": { "alias": "canvasStylesObject"; "required": false; }; }, { "drawStart": "drawStart"; "drawEnd": "drawEnd"; }, never, never, false, never>;
}