`TFPReaderPCX`
pt		CreateGrayPalette
pt		CreateBWPalette
pt		CreatePalette16
pt		ReadPalette
pt		AnalyzeHeader
pt		InternalCheck
pt		InternalRead
pt		ReadScanLine
pt		UpdateProgress
pt		WriteScanLine

`TFPCustomImageReader`
pt		InternalRead
pt		InternalCheck
pt		InternalSize
		Create
		ImageRead
		CheckContents
		ImageSize

`TFPCustomImageHandler`
pt		Progress
		Create