import { EventEmitter, InjectOptions, OnChanges, OnDestroy, OnInit, SimpleChanges } from '@angular/core';
import { ObjectEvent } from 'ol/Object';
import { ProjectionLike } from 'ol/proj';
import { AttributionLike, State } from 'ol/source/Source';
import { ImageSourceEvent } from 'ol/source/Image';
import BaseEvent from 'ol/events/Event';
import ImageCanvasSource, { FunctionType, Options } from 'ol/source/ImageCanvas';
import { NolPrefixedOptions, NolSafeAny } from 'ngx-ol-library/core';
import * as i0 from "@angular/core";
/**
 * Base component for image sources where a canvas element is the image.
 * @name nol-image-canvas-source
 * @order 1
 */
export declare class NolImageCanvasSourceComponent implements NolPrefixedOptions<Options>, OnInit, OnChanges, OnDestroy {
    nolAttributions?: AttributionLike;
    nolCanvasFunction?: FunctionType;
    nolInterpolate?: boolean;
    nolProjection?: ProjectionLike;
    nolRatio?: number;
    nolResolutions?: number[];
    nolState?: State;
    nolProperties?: Record<string, NolSafeAny>;
    nolChange: EventEmitter<BaseEvent>;
    nolError: EventEmitter<BaseEvent>;
    nolImageloadend: EventEmitter<ImageSourceEvent>;
    nolImageloaderror: EventEmitter<ImageSourceEvent>;
    nolImageloadstart: EventEmitter<ImageSourceEvent>;
    nolPropertychange: EventEmitter<ObjectEvent>;
    private readonly destroyRef;
    private readonly host;
    private instance;
    getInstance(): ImageCanvasSource;
    ngOnInit(): void;
    ngOnChanges(changes: SimpleChanges): void;
    ngOnDestroy(): void;
    static ɵfac: i0.ɵɵFactoryDeclaration<NolImageCanvasSourceComponent, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<NolImageCanvasSourceComponent, "nol-image-canvas-source", ["nolImageCanvasSource"], { "nolAttributions": { "alias": "nolAttributions"; "required": false; }; "nolCanvasFunction": { "alias": "nolCanvasFunction"; "required": false; }; "nolInterpolate": { "alias": "nolInterpolate"; "required": false; }; "nolProjection": { "alias": "nolProjection"; "required": false; }; "nolRatio": { "alias": "nolRatio"; "required": false; }; "nolResolutions": { "alias": "nolResolutions"; "required": false; }; "nolState": { "alias": "nolState"; "required": false; }; "nolProperties": { "alias": "nolProperties"; "required": false; }; }, { "nolChange": "nolChange"; "nolError": "nolError"; "nolImageloadend": "nolImageloadend"; "nolImageloaderror": "nolImageloaderror"; "nolImageloadstart": "nolImageloadstart"; "nolPropertychange": "nolPropertychange"; }, never, ["*"], true, never>;
}
export declare function useImageCanvasSource(): NolImageCanvasSourceComponent;
export declare function useImageCanvasSource(options: InjectOptions & {
    optional?: false;
}): NolImageCanvasSourceComponent;
export declare function useImageCanvasSource(options: InjectOptions): NolImageCanvasSourceComponent | null;