import * as _angular_core from '@angular/core';
import { OnInit } from '@angular/core';

declare class ImgPreviewDirective implements OnInit {
    /** 大图URL */
    ncImgPreview: _angular_core.InputSignal<string>;
    /** 最小缩放比例 */
    ncMinScale: _angular_core.InputSignalWithTransform<number, unknown>;
    /** 最大缩放比例 */
    ncMaxScale: _angular_core.InputSignalWithTransform<number, unknown>;
    /** 缩放步长 */
    ncScaleStep: _angular_core.InputSignalWithTransform<number, unknown>;
    /** 滚轮缩放 */
    ncWheelScale: _angular_core.InputSignalWithTransform<boolean, unknown>;
    private readonly destroyRef;
    private readonly document;
    private readonly el;
    private readonly renderer;
    private previewContainer;
    private previewImg;
    private toolbar;
    private isPreviewOpen;
    private rotation;
    private scale;
    private zoomInBtn;
    private zoomOutBtn;
    private removeListeners;
    private openTimer;
    private closeTimer;
    private bodyStyleSnapshot;
    constructor();
    ngOnInit(): void;
    onImageClick(event: Event): void;
    onMouseEnter(): void;
    onMouseLeave(): void;
    private openPreview;
    private createToolButton;
    private rotateImage;
    private scaleImage;
    private updateImageTransform;
    private updateZoomButtonsState;
    private setButtonDisabled;
    private closePreview;
    private cleanupPreview;
    private disableBodyScrollAndSelection;
    private restoreBodyScrollAndSelection;
    private restoreStyle;
    private removeToolbar;
    private removePreviewContainer;
    private trackListener;
    private removeTrackedListeners;
    private clearOpenTimer;
    private clearCloseTimer;
    private mathAdd;
    static ɵfac: _angular_core.ɵɵFactoryDeclaration<ImgPreviewDirective, never>;
    static ɵdir: _angular_core.ɵɵDirectiveDeclaration<ImgPreviewDirective, "[ncImgPreview]", ["ncImgPreview"], { "ncImgPreview": { "alias": "ncImgPreview"; "required": false; "isSignal": true; }; "ncMinScale": { "alias": "ncMinScale"; "required": false; "isSignal": true; }; "ncMaxScale": { "alias": "ncMaxScale"; "required": false; "isSignal": true; }; "ncScaleStep": { "alias": "ncScaleStep"; "required": false; "isSignal": true; }; "ncWheelScale": { "alias": "ncWheelScale"; "required": false; "isSignal": true; }; }, {}, never, never, true, never>;
}

declare class NcImgPreviewModule {
    static ɵfac: _angular_core.ɵɵFactoryDeclaration<NcImgPreviewModule, never>;
    static ɵmod: _angular_core.ɵɵNgModuleDeclaration<NcImgPreviewModule, never, [typeof ImgPreviewDirective], [typeof ImgPreviewDirective]>;
    static ɵinj: _angular_core.ɵɵInjectorDeclaration<NcImgPreviewModule>;
}

export { ImgPreviewDirective, NcImgPreviewModule };