Class TtfParser

Parses TrueType font files (.ttf) to extract metrics and glyph widths.

Implements

FontParser

Index

Constructors

Methods

getCharWidths getFontData getFontDescriptor getFontInfo parseCmap parseHmtx

Constructors

constructor

new TtfParser(fontData: ByteArray): TtfParser
Parameters
- fontData: ByteArray
Returns TtfParser
- Defined in packages/pdf-lite/src/fonts/parsers/ttf-parser.ts:11

Methods

getCharWidths

getCharWidths(firstChar: number, lastChar: number): number[]
Gets character widths for a range of characters. Widths are scaled to PDF's 1000-unit em square.
Parameters
- firstChar: number
- lastChar: number
Returns number[]
Implementation of FontParser.getCharWidths
- Defined in packages/pdf-lite/src/fonts/parsers/ttf-parser.ts:128

getFontData

getFontData(): ByteArray
Returns the original font bytes.

Returns ByteArray
Implementation of FontParser.getFontData
- Defined in packages/pdf-lite/src/fonts/parsers/ttf-parser.ts:23

getFontDescriptor

getFontDescriptor(fontName?: string): FontDescriptor
Creates a FontDescriptor suitable for embedding. Scales metrics to PDF's 1000-unit em square.
Parameters
- OptionalfontName: string
Returns FontDescriptor
Implementation of FontParser.getFontDescriptor
- Defined in packages/pdf-lite/src/fonts/parsers/ttf-parser.ts:90

getFontInfo

getFontInfo(): TtfFontInfo
Parses the font and returns basic font information.

Returns TtfFontInfo
Implementation of FontParser.getFontInfo
- Defined in packages/pdf-lite/src/fonts/parsers/ttf-parser.ts:60

parseCmap

parseCmap(): Map<number, number>
Parses the font's cmap table to extract Unicode to glyph ID mappings.

Returns Map<number, number>
A map from Unicode code points to glyph IDs
Implementation of FontParser.parseCmap
- Defined in packages/pdf-lite/src/fonts/parsers/ttf-parser.ts:294

parseHmtx

parseHmtx(): Map<number, number>
Parses the font's hmtx table to extract glyph advance widths.

Returns Map<number, number>
A map from glyph IDs to advance widths (in font units)
Implementation of FontParser.parseHmtx
- Defined in packages/pdf-lite/src/fonts/parsers/ttf-parser.ts:394