import { Texture } from '@antv/g-device-api';
/** @memberof text */
export interface CharData {
    /** Unique id of character */
    id: number;
    /** x-offset to apply when rendering character */
    xOffset: number;
    /** y-offset to apply when rendering character. */
    yOffset: number;
    /** Advancement to apply to next character. */
    xAdvance: number;
    /** The kerning values for this character. */
    kerning: Record<string, number>;
    /** The texture of the character. */
    texture?: Texture;
}
/**
 * The raw data of a character in a bitmap font.
 * @memberof text
 */
export interface RawCharData extends Omit<CharData, 'texture'> {
    /** The page of the font texture that the character is on. */
    page: number;
    /** The x position of the character in the page. */
    x: number;
    /** The y position of the character in the page. */
    y: number;
    /** The width of the character in the page. */
    width: number;
    /** The height of the character in the page. */
    height: number;
    /** The letter of the character. */
    letter?: string;
}
/**
 * The raw data of a bitmap font.
 * @memberof text
 */
export interface BitmapFontData {
    /** The offset of the font face from the baseline. */
    baseLineOffset: number;
    /** The map of characters by character code. */
    chars: Record<string, RawCharData>;
    /** The map of base page textures (i.e., sheets of glyphs). */
    pages: {
        /** Unique id for bitmap texture */
        id: number;
        /** File name */
        file: string;
    }[];
    /** The line-height of the font face in pixels. */
    lineHeight: number;
    /** The size of the font face in pixels. */
    fontSize: number;
    /** The name of the font face. */
    fontFamily: string;
    /** The range and type of the distance field for this font. */
    distanceField?: {
        /** Type of distance field */
        type: 'sdf' | 'msdf' | 'none';
        /** Range of the distance field in pixels */
        range: number;
    };
}
/**
 * Internal data format used to convert to BitmapFontData.
 * @private
 */
export interface BitmapFontRawData {
    info: {
        face: string;
        size: string;
    }[];
    common: {
        lineHeight: string;
        base: string;
    }[];
    page: {
        id: string;
        file: string;
    }[];
    chars: {
        count: number;
    }[];
    char: {
        id: string;
        page: string;
        xoffset: string;
        yoffset: string;
        xadvance: string;
        x: string;
        y: string;
        width: string;
        height: string;
        letter?: string;
        char?: string;
    }[];
    kernings?: {
        count: number;
    }[];
    kerning?: {
        first: string;
        second: string;
        amount: string;
    }[];
    distanceField?: {
        fieldType: 'sdf' | 'msdf' | 'none';
        distanceRange: string;
    }[];
}
export declare const bitmapFontTextParser: {
    test(data: string | XMLDocument | BitmapFontData): boolean;
    parse(txt: string): BitmapFontData;
};