import type { ReadonlyColor } from "../../render/ReadonlyColor";
import { CssRenderer } from "./CssRenderer";
/**
 * css text align enum
 */
export declare enum TextAlign {
    Left = "left",
    Center = "center",
    Right = "right"
}
/**
 * css text weight enum
 */
export declare enum FontWeight {
    Normal = "normal",
    Bold = "bold"
}
/**
 * css text renderer
 */
export declare class CssTextRenderer extends CssRenderer<HTMLDivElement> {
    private _textWidth;
    private _textHeight;
    private _autoSize;
    private _fontSize;
    private _fontWeight;
    private _fontFamily;
    private _textalign;
    private readonly _textColor;
    private _text;
    private _initializeFunction;
    private static readonly _defaultText;
    protected renderInitialize(): void;
    protected updateCenterOffset(updateTransform: boolean): void;
    protected updateViewScale(updateTransform: boolean): void;
    /**
     * text that is displayed (default: null)
     */
    get text(): string | null;
    /**
     * text that is displayed (default: null)
     */
    set text(value: string | null);
    private setTextInternal;
    /**
     * text render width (default: 2)
     *
     * this property is modifiable only when autoSize is false
     *
     * Outside of this range, css text will be overflowed
     */
    get textWidth(): number;
    /**
     * text render width (default: 2)
     *
     * this property is modifiable only when autoSize is false
     *
     * Outside of this range, css text will be overflowed
     */
    set textWidth(value: number);
    /**
     * text render height (default: 1)
     *
     * this property is modifiable only when autoSize is false
     *
     * Outside of this range, css text will be overflowed
     */
    get textHeight(): number;
    /**
     * text render height (default: 1)
     *
     * this property is modifiable only when autoSize is false
     *
     * Outside of this range, css text will be overflowed
     */
    set textHeight(value: number);
    /**
     * if this value is true, the textWidth and textHeight will be automatically calculated (default: false)
     */
    get autoSize(): boolean;
    /**
     * if this value is true, the textWidth and textHeight will be automatically calculated (default: false)
     */
    set autoSize(value: boolean);
    /**
     * font size as pixel value (default: 8)
     */
    get fontSize(): number;
    /**
     * font size as pixel value (default: 8)
     */
    set fontSize(value: number);
    /**
     * font weight (default: `FontWeight.Normal`)
     */
    get fontWeight(): FontWeight;
    /**
     * font weight (default: `FontWeight.Normal`)
     */
    set fontWeight(value: FontWeight);
    /**
     * font family (default: "Arial")
     */
    get fontFamily(): string;
    /**
     * font family (default: "Arial")
     */
    set fontFamily(value: string);
    /**
     * text align (default: `TextAlign.Left`)
     */
    get textAlign(): TextAlign;
    /**
     * text align (default: `TextAlign.Left`)
     */
    set textAlign(value: TextAlign);
    /**
     * text color (default: "black")
     */
    get textColor(): ReadonlyColor;
    /**
     * text color (default: "black")
     */
    set textColor(value: ReadonlyColor);
}