import { OnInit, EventEmitter } from "@angular/core";
import { DomSanitizer } from "@angular/platform-browser";
import { ControlValueAccessor, Validator, AbstractControl, ValidationErrors } from "@angular/forms";
/**
 * 图片上传组件 - 支持NgModel和reactive forms
 *
 * <example-url>https://stackblitz.com/edit/np-img-upload-sample?embed=1&file=src/app/app.component.html</example-url>
 */
export declare class NpImgUpload implements OnInit, ControlValueAccessor, Validator {
    private sanitizer;
    private emitChange;
    /**标签 */
    label: string;
    /**是否禁用 */
    isDisabled: boolean;
    /**是否忽略宽高检查，true - 忽略宽高检查，false - 检查宽高  */
    ignoreWidthAndHeightCheck: boolean;
    /**是否必填 - 必填则有红色*号在标签前面；否则没有 */
    isRequired: boolean;
    /**上传图片按钮文字 */
    btnText: string;
    /**图片描述，如尺寸、格式、大小等 */
    imgDesc: string;
    /**图片格式，默认jpg、png和jpeg */
    imgFormat: string;
    /**图片大小，默认最大500kb */
    maxSize: number;
    /**图片宽度px */
    width: number;
    /**图片高度px */
    height: number;
    /**错误信息 - 将以红色字体显示在上传按钮下方 */
    errorMessage: string;
    /**当重新选择图片时触发 */
    onImgFileChanged: EventEmitter<any>;
    /**上传错误，如尺寸不对、格式不对，大小不对等 */
    onUploadError: EventEmitter<string>;
    /**点击缩略图是触发 */
    onImgClicked: EventEmitter<any>;
    currentImgFile: File;
    currentImgSrc: any;
    constructor(sanitizer: DomSanitizer);
    ngOnInit(): void;
    onCurrentImgFileChanged(file: File): void;
    onUploadImgFormatError(msg: string): void;
    onCurrentImgClick(): void;
    writeValue(obj: any): void;
    validate(control: AbstractControl): ValidationErrors;
    registerOnChange(fn: any): void;
    registerOnTouched(fn: any): void;
    setDisabledState?(isDisabled: boolean): void;
}