/// <summary> /// read only name entry /// </summary> /// <param name="stream"></param> /// <returns></returns> public PreviewFontInfo ReadPreview(Stream stream) { //var little = BitConverter.IsLittleEndian; using (var input = new ByteOrderSwappingBinaryReader(stream)) { ushort majorVersion = input.ReadUInt16(); ushort minorVersion = input.ReadUInt16(); if (KnownFontFiles.IsTtcf(majorVersion, minorVersion)) { //this font stream is 'The Font Collection' FontCollectionHeader ttcHeader = ReadTTCHeader(input); PreviewFontInfo[] members = new PreviewFontInfo[ttcHeader.numFonts]; for (uint i = 0; i < ttcHeader.numFonts; ++i) { input.BaseStream.Seek(ttcHeader.offsetTables[i], SeekOrigin.Begin); PreviewFontInfo member = members[i] = ReadActualFontPreview(input, false); member.ActualStreamOffset = ttcHeader.offsetTables[i]; } return(new PreviewFontInfo(BuildTtcfName(members), members)); } else if (KnownFontFiles.IsWoff(majorVersion, minorVersion)) { //check if we enable woff or not WebFont.WoffReader woffReader = new WebFont.WoffReader(); input.BaseStream.Position = 0; return(woffReader.ReadPreview(input)); } else if (KnownFontFiles.IsWoff2(majorVersion, minorVersion)) { //check if we enable woff2 or not WebFont.Woff2Reader woffReader = new WebFont.Woff2Reader(); input.BaseStream.Position = 0; return(woffReader.ReadPreview(input)); } else { return(ReadActualFontPreview(input, true));//skip version data (majorVersion, minorVersion) } } }