import * as em from "./Enums";
import { ObjectManager } from "./ObjectManager";
import { ObjectBase } from "./ObjectBase";
/**
 * Represents a TrueType or OpenType font.
 **/
export declare class Font extends ObjectBase {
    /**
     * Creates a {@link Font} instance from a byte array.
     * @param fontBytes The binary data of the font.
     * @returns A new instance of the {@link Font}.
     **/
    static load(fontBytes: Uint8Array): Font;
    /**
     * Creates a {@link Font} instance from a byte array.
     * @param om An object manager that controls the lifetime of the {@link Font} object.
     * @param fontBytes The binary data of the font.
     * @returns A new instance of the {@link Font}.
     **/
    static load(om: ObjectManager, fontBytes: Uint8Array): Font;
    /**
     * Loads all {@link Font}s from a byte array containing single font or a font collection.
     * @param fontBytes The byte array with the font data.
     * @returns The array of loaded {@link Font}s.
     **/
    static loadCollection(fontBytes: Uint8Array): Font[];
    /**
     * Loads all {@link Font}s from a byte array containing single font or a font collection.
     * @param om An object manager that controls the lifetime of the {@link Font} objects.
     * @param fontBytes The byte array with the font data.
     * @returns The array of loaded {@link Font}s.
     **/
    static loadCollection(om: ObjectManager, fontBytes: Uint8Array): Font[];
    /**
     * Returns an instance of the standard PDF font.
     * @param standardPdfFont Specifies one of the standard PDF fonts.
     * @returns A new instance of the {@link Font}.
     **/
    static getPdfFont(standardPdfFont: em.StandardPdfFont): Font;
    /**
     * Returns an instance of the standard PDF font.
     * @param om An object manager that controls the lifetime of the {@link Font} object.
     * @param standardPdfFont Specifies one of the standard PDF fonts.
     * @returns A new instance of the {@link Font}.
     **/
    static getPdfFont(om: ObjectManager, standardPdfFont: em.StandardPdfFont): Font;
    /**
     * Indicates if the current font contains PostScript outlines.
     **/
    get isPostScript(): boolean;
    /**
     * Indicates if the font is in WOFF format.
     **/
    get isCompressed(): boolean;
    /**
     * Indicates if the font was loaded from .ttc or .otc font collection.
     **/
    get isCollection(): boolean;
    /**
     * The full font name that reflects all family and relevant subfamily descriptors.
     **/
    get fullFontName(): string;
    /**
     * The font family name. Up to four faces can share the same font family name.
     **/
    get fontFamily(): string;
    /**
     * The typographic family grouping name.
     **/
    get typographicFamilyName(): string;
    /**
     * The PostScript name of the font.
     **/
    get postScriptName(): string;
    /**
     * The version set by font manufacturer.
     **/
    get version(): string;
    /**
     * The revision number set by font manufacturer.
     **/
    get revision(): number;
    /**
     * The Copyright notice of the font.
     **/
    get copyrightNotice(): string;
    /**
     * The description of the license or licenses under which the font is provided.
     **/
    get licenseDescription(): string;
    /**
     * The URL where additional licensing information can be found.
     **/
    get licenseInfoURL(): string;
    /**
     * False if the font is proportionally spaced, True if the font is not proportionally
     * spaced (i.e. monospaced).
     **/
    get isFixedPitch(): boolean;
    /**
     * Indicates if this is a vertical font.
     **/
    get isVerticalFont(): boolean;
    /**
     * Indicates if this font contains color glyphs.
     **/
    get isColorFont(): boolean;
    /**
     * The italic angle in counter-clockwise degrees from the vertical. Zero for upright
     * text, negative for text that leans to the right (forward).
     **/
    get italicAngle(): number;
    /**
     * Indicates whether this font can be embedded.
     **/
    get canEmbed(): boolean;
    /**
     * Indicates whether this font can be serialized as a subset of the source font data.
     **/
    get canSubset(): boolean;
    /**
     * The visual weight (degree of blackness or thickness of strokes) of the characters
     * in the font. Values from 1 to 1000 are valid.
     **/
    get weightClass(): number;
    /**
     * Indicates a relative change from the normal aspect ratio (width to height ratio) for
     * the glyphs in a font. Values from 1 (Ultra Condensed) to 9 (Ultra Expanded) are expected.
     **/
    get widthClass(): number;
    /**
     * The value of the Bold flag from the OS/2 font table data.
     **/
    get bold(): boolean;
    /**
     * The value of the Italic flag from the OS/2 font table data.
     **/
    get italic(): boolean;
    /**
     * The value of the Oblique flag from the OS/2 font table data.
     **/
    get oblique(): boolean;
    /**
     * Indicates if characters are underscored.
     **/
    get underscore(): boolean;
    /**
     * Indicates if characters are overstruck.
     **/
    get strikeout(): boolean;
    /**
     * Indicates if characters have their foreground and background reversed.
     **/
    get negative(): boolean;
    /**
     * Indicates if characters are hollow (outlined), otherwise they are solid.
     **/
    get hollow(): boolean;
    /**
     * Indicates if the glyphs encoded in the cmap subtables are simply generic symbolic representations
     * of code point ranges and don't truly represent support for those code points.
     **/
    get lastResort(): boolean;
    /**
     * Indicates whether the font-family design reflects the ISO Sans Serif Class.
     **/
    get isSansSerif(): boolean;
    /**
     * Indicates whether the font-family design reflects any of the Serif classes, except Sans Serif.
     **/
    get isSerifFont(): boolean;
    /**
     * Indicates whether the font-family design reflects the ISO Ornamental Class and
     * the ISO Blackletter Class.
     **/
    get isOrnamentalFont(): boolean;
    /**
     * Indicates whether the font-family design reflects the ISO Script Class and Uncial Class.
     **/
    get isScriptFont(): boolean;
    /**
     * Indicates whether this is a symbolic font suitable for Pi and special characters (icons,
     * dingbats, technical symbols, etc.)
     **/
    get isSymbolicFont(): boolean;
    /**
     * The design units per Em, valid range is from 16 to 16384.
     **/
    get unitsPerEm(): number;
    /**
     * The Average Character Width parameter specifies the arithmetic average of
     * the escapement (width) of all non-zero width glyphs in the font.
     **/
    get avgCharWidth(): number;
    /**
     * The metric specifying the distance between the baseline and the approximate
     * height of uppercase letters.
     **/
    get capHeight(): number;
    /**
     * The metric specifying the distance between the baseline and the approximate height
     * of non-ascending lowercase letters.
     **/
    get smallXHeight(): number;
    /**
     * The typographic or legacy ascender for this font.
     **/
    get horizontalAscender(): number;
    /**
     * The typographic or legacy descender for this font.
     **/
    get horizontalDescender(): number;
    /**
     * The typographic or legacy line gap for this font.
     **/
    get horizontalLineGap(): number;
    /**
     * The vertical typographic ascender for this font.
     **/
    get verticalAscender(): number;
    /**
     * The vertical typographic descender for this font.
     **/
    get verticalDescender(): number;
    /**
     * The vertical typographic gap for this font.
     **/
    get verticalLineGap(): number;
    /**
     * The number of glyphs in this font.
     **/
    get numGlyphs(): number;
    /**
     * Returns a value indicating whether the font can map the specified UTF-32 character to a glyph.
     * @param codePoint The UTF-32 characer (code point) to check.
     * @returns true if the font can map the character to a glyph, false otherwise.
     **/
    containsCodePoint(codePoint: number): boolean;
    /**
     * Gets or sets a value indicating if the Bitmap Glyph Cache is enabled.
     **/
    get useBitmapCache(): boolean;
    /**
     * Gets or sets a value indicating if the Bitmap Glyph Cache is enabled.
     **/
    set useBitmapCache(value: boolean);
    /**
     * Gets or sets a value indicating if the TrueType glyph hinting instructions can be executed.
     **/
    get enableHinting(): boolean;
    /**
     * Gets or sets a value indicating if the TrueType glyph hinting instructions can be executed.
     **/
    set enableHinting(value: boolean);
    /**
     * Gets or sets a value indicating that the developer of the software has obtained explicit
     * permission from the legal owner of the font to embed it in documents produced by the software.
     **/
    get permissionToEmbedGranted(): boolean;
    /**
     * Gets or sets a value indicating that the developer of the software has obtained explicit
     * permission from the legal owner of the font to embed it in documents produced by the software.
     **/
    set permissionToEmbedGranted(value: boolean);
    /**
     * Indicates whether the current font has linked fonts.
     **/
    get hasLinkedFonts(): boolean;
    /**
     * Adds a linked font to the current font.
     * @param font The Font to be added as linked font.
     * @param scaleFactor The scale factor applied to size of the base font when the linked font is used instead.
     **/
    addLinkedFont(font: Font, scaleFactor?: number | null): void;
    /**
     * Removes a linked font from the current font.
     * @param font The Font to be removed from the list of linked fonts.
     **/
    removeLinkedFont(font: Font): void;
    /**
     * Clears the list of linked fonts.
     **/
    clearLinkedFonts(): void;
}