ReadonlycharsetPDFium charset id of the requested font (the LOGFONT lfCharSet value).
Compare against the named ids in PdfFontCharset (e.g.
query.charset === PdfFontCharset.shiftJis), or turn it into a label with
pdfFontCharsetName. May be any value PDFium reports; the named set
covers the ones it commonly emits.
ReadonlyfaceRequested typeface (family) name.
ReadonlyisReadonlypitchPDFium pitch-and-family byte of the requested font (the LOGFONT
lfPitchAndFamily value). The low two bits are pitch flags, while the high
nibble is one mutually exclusive family value. Use the helpers below
rather than treating all values as independent flags.
ReadonlyweightRequested weight (e.g. 400 for regular, 700 for bold).
A font the engine could not find while loading or rendering a document. Emitted via the missingFonts event; supply a substitute with PdfrxEngine.addFontData.
See
Missing-font fallback — how the default resolver maps these queries to downloadable fonts.