import { AfterViewInit, NgZone, OnChanges, OnDestroy, OnInit, SimpleChanges } from '@angular/core';
import { AbstractControl, FormGroup } from '@angular/forms';
import { Color } from '../../models';
import { NgxMatBaseColorCanvas } from './base-color-canvas';
import * as i0 from "@angular/core";
export declare class NgxMatColorCanvasComponent extends NgxMatBaseColorCanvas implements OnInit, AfterViewInit, OnChanges, OnDestroy {
    protected zone: NgZone;
    private _baseColor;
    get rCtrl(): AbstractControl;
    get gCtrl(): AbstractControl;
    get bCtrl(): AbstractControl;
    get aCtrl(): AbstractControl;
    get hexCtrl(): AbstractControl;
    _resetBaseColor: boolean;
    formGroup: FormGroup;
    rgba: string;
    constructor(zone: NgZone);
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    private updateForm;
    redrawIndicator(x: number, y: number): void;
    fillGradient(): void;
    onSliderColorChanged(c: Color): void;
    changeColor(e: MouseEvent): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgxMatColorCanvasComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<NgxMatColorCanvasComponent, "ngx-mat-color-canvas", never, {}, {}, never, never, true, never>;
}