import { BooleanInput, NgtObjectProps, NgtObjectPropsState, NgtRenderState, NumberInput, Ref } from '@angular-three/core';
import { EventEmitter, TemplateRef } from '@angular/core';
import { Observable } from 'rxjs';
import * as THREE from 'three';
import * as i0 from "@angular/core";
export declare class NgtSobaImageContent {
    templateRef: TemplateRef<{
        image: Ref<THREE.Mesh>;
    }>;
    constructor(templateRef: TemplateRef<{
        image: Ref<THREE.Mesh>;
    }>);
    static ngTemplateContextGuard(dir: NgtSobaImageContent, ctx: any): ctx is {
        image: Ref<THREE.Mesh>;
    };
    static ɵfac: i0.ɵɵFactoryDeclaration<NgtSobaImageContent, never>;
    static ɵdir: i0.ɵɵDirectiveDeclaration<NgtSobaImageContent, "ng-template[ngt-soba-image-content]", never, {}, {}, never, never, true>;
}
export interface NgtSobaImageState extends NgtObjectPropsState<THREE.Mesh> {
    url: string;
    segments?: number;
    zoom?: number;
    grayscale?: number;
    toneMapped?: boolean;
    texture: THREE.Texture;
}
export declare class NgtSobaImage extends NgtObjectProps<THREE.Mesh, NgtSobaImageState> {
    beforeRender: EventEmitter<{
        state: NgtRenderState;
        object: THREE.Mesh;
    }>;
    set url(url: string);
    set segments(segments: NumberInput);
    set zoom(zoom: NumberInput);
    set grayscale(grayscale: NumberInput);
    set toneMapped(toneMapped: BooleanInput);
    content?: NgtSobaImageContent;
    texture$: Observable<THREE.Texture>;
    imageBounds: [number, number];
    planeBounds: [number, number];
    private textureLoader;
    readonly imageViewModel$: Observable<{
        texture: THREE.Texture;
        zoom: number | undefined;
        color: THREE.Color;
        segments: number | undefined;
        grayscale: number | undefined;
        toneMapped: boolean | undefined;
        planeBounds: number[];
        imageBounds: any[];
    }>;
    protected preInit(): void;
    ngOnInit(): void;
    private readonly setTexture;
    static ɵfac: i0.ɵɵFactoryDeclaration<NgtSobaImage, never>;
    static ɵcmp: i0.ɵɵComponentDeclaration<NgtSobaImage, "ngt-soba-image[url]", never, { "url": "url"; "segments": "segments"; "zoom": "zoom"; "grayscale": "grayscale"; "toneMapped": "toneMapped"; }, { "beforeRender": "beforeRender"; }, ["content"], never, true>;
}
export declare class NgtSobaImageModule {
    static ɵfac: i0.ɵɵFactoryDeclaration<NgtSobaImageModule, never>;
    static ɵmod: i0.ɵɵNgModuleDeclaration<NgtSobaImageModule, never, [typeof NgtSobaImage, typeof NgtSobaImageContent], [typeof NgtSobaImage, typeof NgtSobaImageContent]>;
    static ɵinj: i0.ɵɵInjectorDeclaration<NgtSobaImageModule>;
}