{-# OPTIONS_HADDOCK hide #-}
module Codec.BMP.Error
	(Error(..))
where
import Data.Word

-- | Things that can go wrong when loading a BMP file.
data Error
	= ErrorReadOfFileHeaderFailed
	| ErrorReadOfImageHeaderFailed
	| ErrorReadOfImageDataFailed
	| ErrorBadMagic 			Word16
	| ErrorReservedFieldNotZero
	| ErrorDodgyFileHeaderFieldOffset	Int
	| ErrorDodgyFileHeaderFieldFileSize	Int
	| ErrorFileIsTruncated
	| ErrorUnhandledBitmapHeaderSize  	Int
	| ErrorUnhandledPlanesCount		Int
	| ErrorUnhandledColorDepth		Int
	| ErrorUnhandledCompressionMode		Int
	| ErrorZeroImageSize
	| ErrorLacksWholeNumberOfLines
	deriving (Eq, Show)