`TFPWriterTiff`
pt		InternalWrite
pt		AddEntryString
pt		AddEntryShort
pt		AddEntryLong
pt		AddEntryShortOrLong
pt		AddEntryRational
pt		AddEntry
pt		TiffError
pt		EncodeDeflate
		Create
		Destroy
		Clear
		AddImage
		SaveToStream

`TFPCustomImageWriter`
pt		InternalWrite
		ImageWrite

`TFPCustomImageHandler`
pt		Progress
		Create