fontjs

import { SeqStream } from "bytestreamjs"; import { FontTable } from "../Table"; export declare enum OS2Weight { /** * Thin */ thin = 100, /** * Extra-light (Ultra-light) */ extraLight = 200, /** * Light */ light = 300, /** * Normal (Regular) */ normal = 400, /** * Medium */ medium = 500, /** * Semi-bold (Demi-bold) */ semiBold = 600, /** * Bold */ bold = 700, /** * Extra-bold (Ultra-bold) */ extrabold = 800, /** * Black (Heavy) */ black = 900 } export declare enum OS2Width { /** * Ultra-condensed. 50% of normal */ ultraCondensed = 1, /** * Extra-condensed. 62.5% of normal */ extraCondensed = 2, /** * Condensed. 75% of normal */ condensed = 3, /** * Semi-condensed. 87.5% of normal */ semiCondensed = 4, /** * Medium (normal). 100% of normal */ normal = 5, /** * Semi-expanded. 112.5% of normal */ semiExpanded = 6, /** * Expanded. 125% of normal */ expanded = 7, /** * Extra-expanded. 150% of normal */ extraExpanded = 8, /** * Ultra-expanded. 200% of normal */ ultraExpanded = 9 } export declare enum OS2TypeFlags { /** * @deprecated */ installableEmbedding = 1, restrictedLicenseEmbedding = 2, previewPrintEmbedding = 4, editableEmbedding = 8, noSubsetting = 256, bitmapEmbeddingOnly = 512 } /** * Font-family class * @see https://docs.microsoft.com/en-us/typography/opentype/spec/ibmfc */ export declare enum OS2Family { none = 0, oldstyleSerifs = 1, transitionalSerifs = 2, modernSerifs = 3, clarendonSerifs = 4, slabSerifs = 5, freeformSerifs = 7, sansSerif = 8, ornamentals = 9, scripts = 10, symbolic = 12 } /** * Font selection flags * @see https://docs.microsoft.com/en-us/typography/opentype/spec/os2#fsselection */ export declare enum OS2SelectionFlags { italic = 1, underscore = 2, negative = 4, outlined = 8, strikeout = 16, bold = 32, regular = 64, useTypoMetrics = 128, wws = 256, oblique = 512 } export interface OS2Parameters { /** * The version number for the OS/2 table: 0x0000 to 0x0005 */ version?: number; /** * The Average Character Width parameter specifies the arithmetic average of the escapement (width) of all non-zero width glyphs in the font */ xAvgCharWidth?: number; /** * Indicates the visual weight (degree of blackness or thickness of strokes) of the characters in the font. Values from 1 to 1000 are valid */ usWeightClass?: OS2Weight; /** * Indicates a relative change from the normal aspect ratio (width to height ratio) as specified by a font designer for the glyphs in a font */ usWidthClass?: OS2Width; /** * Indicates font embedding licensing rights for the font */ fsType?: OS2TypeFlags; /** * The recommended horizontal size in font design units for subscripts for this font */ ySubscriptXSize?: number; /** * The recommended vertical size in font design units for subscripts for this font */ ySubscriptYSize?: number; /** * The recommended horizontal offset in font design units for subscripts for this font */ ySubscriptXOffset?: number; /** * The recommended vertical offset in font design units from the baseline for subscripts for this font */ ySubscriptYOffset?: number; /** * The recommended horizontal size in font design units for superscripts for this font */ ySuperscriptXSize?: number; /** * The recommended vertical size in font design units for superscripts for this font */ ySuperscriptYSize?: number; /** * The recommended horizontal offset in font design units for superscripts for this font */ ySuperscriptXOffset?: number; /** * The recommended vertical offset in font design units from the baseline for superscripts for this font */ ySuperscriptYOffset?: number; /** * Thickness of the strikeout stroke in font design units */ yStrikeoutSize?: number; /** * The position of the top of the strikeout stroke relative to the baseline in font design units */ yStrikeoutPosition?: number; /** * This parameter is a classification of font-family design */ sFamilyClass?: OS2Family; /** * This 10-byte series of numbers is used to describe the visual characteristics of a given typeface */ panose?: Uint8Array; /** * Unicode Character Range */ ulUnicodeRange1?: number; /** * Unicode Character Range */ ulUnicodeRange2?: number; /** * Unicode Character Range */ ulUnicodeRange3?: number; /** * Unicode Character Range */ ulUnicodeRange4?: number; /** * The four-character identifier for the vendor of the given type face */ achVendID?: number; /** * Contains information concerning the nature of the font patterns */ fsSelection?: OS2SelectionFlags; /** * The minimum Unicode index (character code) in this font, according to the 'cmap' subtable for platform ID 3 and platform- specific encoding ID 0 or 1 */ usFirstCharIndex?: number; /** * The maximum Unicode index (character code) in this font, according to the 'cmap' subtable for platform ID 3 and encoding ID 0 or 1 */ usLastCharIndex?: number; /** * The typographic ascender for this font */ sTypoAscender?: number; /** * The typographic descender for this font */ sTypoDescender?: number; /** * The typographic line gap for this font */ sTypoLineGap?: number; /** * The “Windows ascender” metric */ usWinAscent?: number; /** * The “Windows descender” metric */ usWinDescent?: number; /** * Code Page Character Range */ ulCodePageRange1?: number; /** * Code Page Character Range */ ulCodePageRange2?: number; /** * This metric specifies the distance between the baseline and the approximate height of non-ascending lowercase letters measured in FUnits */ sxHeight?: number; /** * This metric specifies the distance between the baseline and the approximate height of uppercase letters measured in FUnits */ sCapHeight?: number; /** * This is the Unicode code point, in UTF-16 encoding, of a character that can be used for a default glyph if a requested character is not supported in the font */ usDefaultChar?: number; /** * This is the Unicode code point, in UTF-16 encoding, of a character that can be used as a default break character */ usBreakChar?: number; /** * The maximum length of a target glyph context for any feature in this font */ usMaxContext?: number; /** * This field is used for fonts with multiple optical styles */ usLowerOpticalPointSize?: number; /** * This field is used for fonts with multiple optical styles */ usUpperOpticalPointSize?: number; } export declare class OS2 extends FontTable { /** * The version number for the OS/2 table: 0x0000 to 0x0005 */ version: number; /** * The Average Character Width parameter specifies the arithmetic average of the escapement (width) of all non-zero width glyphs in the font */ xAvgCharWidth: number; /** * Indicates the visual weight (degree of blackness or thickness of strokes) of the characters in the font. Values from 1 to 1000 are valid */ usWeightClass: OS2Weight; /** * Indicates a relative change from the normal aspect ratio (width to height ratio) as specified by a font designer for the glyphs in a font */ usWidthClass: OS2Width; /** * Indicates font embedding licensing rights for the font */ fsType: OS2TypeFlags; /** * The recommended horizontal size in font design units for subscripts for this font */ ySubscriptXSize: number; /** * The recommended vertical size in font design units for subscripts for this font */ ySubscriptYSize: number; /** * The recommended horizontal offset in font design units for subscripts for this font */ ySubscriptXOffset: number; /** * The recommended vertical offset in font design units from the baseline for subscripts for this font */ ySubscriptYOffset: number; /** * The recommended horizontal size in font design units for superscripts for this font */ ySuperscriptXSize: number; /** * The recommended vertical size in font design units for superscripts for this font */ ySuperscriptYSize: number; /** * The recommended horizontal offset in font design units for superscripts for this font */ ySuperscriptXOffset: number; /** * The recommended vertical offset in font design units from the baseline for superscripts for this font */ ySuperscriptYOffset: number; /** * Thickness of the strikeout stroke in font design units */ yStrikeoutSize: number; /** * The position of the top of the strikeout stroke relative to the baseline in font design units */ yStrikeoutPosition: number; /** * This parameter is a classification of font-family design */ sFamilyClass: OS2Family; /** * This 10-byte series of numbers is used to describe the visual characteristics of a given typeface * @see https://docs.microsoft.com/en-us/typography/opentype/spec/os2#panose */ panose: Uint8Array; /** * Unicode Character Range */ ulUnicodeRange1: number; /** * Unicode Character Range */ ulUnicodeRange2: number; /** * Unicode Character Range */ ulUnicodeRange3: number; /** * Unicode Character Range */ ulUnicodeRange4: number; /** * The four-character identifier for the vendor of the given type face */ achVendID: number; /** * Contains information concerning the nature of the font patterns */ fsSelection: OS2SelectionFlags; /** * The minimum Unicode index (character code) in this font, according to the 'cmap' subtable for platform ID 3 and platform- specific encoding ID 0 or 1 */ usFirstCharIndex: number; /** * The maximum Unicode index (character code) in this font, according to the 'cmap' subtable for platform ID 3 and encoding ID 0 or 1 */ usLastCharIndex: number; /** * The typographic ascender for this font */ sTypoAscender: number; /** * The typographic descender for this font */ sTypoDescender: number; /** * The typographic line gap for this font */ sTypoLineGap: number; /** * The “Windows ascender” metric */ usWinAscent: number; /** * The “Windows descender” metric */ usWinDescent: number; /** * Code Page Character Range */ ulCodePageRange1?: number; /** * Code Page Character Range */ ulCodePageRange2?: number; /** * This metric specifies the distance between the baseline and the approximate height of non-ascending lowercase letters measured in FUnits */ sxHeight?: number; /** * This metric specifies the distance between the baseline and the approximate height of uppercase letters measured in FUnits */ sCapHeight?: number; /** * This is the Unicode code point, in UTF-16 encoding, of a character that can be used for a default glyph if a requested character is not supported in the font */ usDefaultChar?: number; /** * This is the Unicode code point, in UTF-16 encoding, of a character that can be used as a default break character */ usBreakChar?: number; /** * The maximum length of a target glyph context for any feature in this font */ usMaxContext?: number; /** * This field is used for fonts with multiple optical styles */ usLowerOpticalPointSize?: number; /** * This field is used for fonts with multiple optical styles */ usUpperOpticalPointSize?: number; constructor(parameters?: OS2Parameters); static get tag(): number; toStream(stream: SeqStream): boolean; static fromStream(stream: SeqStream): OS2; }