Get the pathnames of font files that failed to load for the most recent loadFontConfig*() or loadPdfFontConfig*() call. This includes files that could not be found and files that could not be loaded.In the former case, the pathname may contain wildcard characters. Note that loadFontConfig*() and loadPdfFontConfig() no longer fail if a specified font file cannot be found or loaded.

public string[] getFailedFontFiles()