public PDFStream getFontFile(int i) {
try {
FontFileReader reader = new FontFileReader(embedFileName);
TTFSubSetFile subset = new TTFSubSetFile();
byte[] subsetFont = subset.readFont(reader, ttcName, usedGlyphs);
// Only TrueType CID fonts are supported now
embeddedFont = new PDFTTFStream(i, subsetFont.length);
embeddedFont.addFilter("flate");
embeddedFont.addFilter("ascii-85");