ZBar.Foreign

See zbar documentation for how to use the C API.

Types

data ZbarColor

Constructors

ZbarSpace

ZbarBar

Instances

Enum ZbarColor

Defined in ZBar.Foreign

Methods

succ :: ZbarColor -> ZbarColor

pred :: ZbarColor -> ZbarColor

toEnum :: Int -> ZbarColor

fromEnum :: ZbarColor -> Int

enumFrom :: ZbarColor -> [ZbarColor]

enumFromThen :: ZbarColor -> ZbarColor -> [ZbarColor]

enumFromTo :: ZbarColor -> ZbarColor -> [ZbarColor]

enumFromThenTo :: ZbarColor -> ZbarColor -> ZbarColor -> [ZbarColor]

Eq ZbarColor

Defined in ZBar.Foreign

Methods

(==) :: ZbarColor -> ZbarColor -> Bool

(/=) :: ZbarColor -> ZbarColor -> Bool

data ZbarSymbolType

Constructors

ZbarNone

ZbarPartial

ZbarEan8

ZbarUpce

ZbarIsbn10

ZbarUpca

ZbarEan13

ZbarIsbn13

ZbarI25

ZbarCode39

ZbarPdf417

ZbarQrcode

ZbarCode128

ZbarSymbol

ZbarAddon2

ZbarAddon5

ZbarAddon

Instances

Enum ZbarSymbolType

Defined in ZBar.Foreign

Methods

succ :: ZbarSymbolType -> ZbarSymbolType

pred :: ZbarSymbolType -> ZbarSymbolType

toEnum :: Int -> ZbarSymbolType

fromEnum :: ZbarSymbolType -> Int

enumFrom :: ZbarSymbolType -> [ZbarSymbolType]

enumFromThen :: ZbarSymbolType -> ZbarSymbolType -> [ZbarSymbolType]

enumFromTo :: ZbarSymbolType -> ZbarSymbolType -> [ZbarSymbolType]

enumFromThenTo :: ZbarSymbolType -> ZbarSymbolType -> ZbarSymbolType -> [ZbarSymbolType]

Eq ZbarSymbolType

Defined in ZBar.Foreign

Methods

(==) :: ZbarSymbolType -> ZbarSymbolType -> Bool

(/=) :: ZbarSymbolType -> ZbarSymbolType -> Bool

data ZbarError

Constructors

ZbarOk

ZbarErrNomem

ZbarErrInternal

ZbarErrUnsupported

ZbarErrInvalid

ZbarErrSystem

ZbarErrLocking

ZbarErrBusy

ZbarErrXdisplay

ZbarErrXproto

ZbarErrClosed

ZbarErrWinapi

ZbarErrNum

Instances

Enum ZbarError

Defined in ZBar.Foreign

Methods

succ :: ZbarError -> ZbarError

pred :: ZbarError -> ZbarError

toEnum :: Int -> ZbarError

fromEnum :: ZbarError -> Int

enumFrom :: ZbarError -> [ZbarError]

enumFromThen :: ZbarError -> ZbarError -> [ZbarError]

enumFromTo :: ZbarError -> ZbarError -> [ZbarError]

enumFromThenTo :: ZbarError -> ZbarError -> ZbarError -> [ZbarError]

Show ZbarError

Defined in ZBar.Foreign

Methods

showsPrec :: Int -> ZbarError -> ShowS

show :: ZbarError -> String

showList :: [ZbarError] -> ShowS

Exception ZbarError

Defined in ZBar.Foreign

Methods

toException :: ZbarError -> SomeException

fromException :: SomeException -> Maybe ZbarError

displayException :: ZbarError -> String

data ZbarConfig

Constructors

ZbarCfgEnable

ZbarCfgAddCheck

ZbarCfgEmitCheck

ZbarCfgAscii

ZbarCfgNum

ZbarCfgMinLen

ZbarCfgMaxLen

ZbarCfgPosition

ZbarCfgXDensity

ZbarCfgYDensity

Instances

Enum ZbarConfig

Defined in ZBar.Foreign

Methods

succ :: ZbarConfig -> ZbarConfig

pred :: ZbarConfig -> ZbarConfig

toEnum :: Int -> ZbarConfig

fromEnum :: ZbarConfig -> Int

enumFrom :: ZbarConfig -> [ZbarConfig]

enumFromThen :: ZbarConfig -> ZbarConfig -> [ZbarConfig]

enumFromTo :: ZbarConfig -> ZbarConfig -> [ZbarConfig]

enumFromThenTo :: ZbarConfig -> ZbarConfig -> ZbarConfig -> [ZbarConfig]

Type synonyms

type ZbarSymbolPtr = Ptr ZbarSymbol

type ZbarSymbolSetPtr = Ptr ZbarSymbolSet

type ZbarImagePtr = Ptr ZbarImage

type ZbarProcessorPtr = Ptr ZbarProcessor

type ZbarVideoPtr = Ptr ZbarVideo

type ZbarWindowPtr = Ptr ZbarWindow

type ZbarImageScannerPtr = Ptr ZbarImageScanner

type ZbarScannerPtr = Ptr ZbarScanner

type ZbarDecoderPtr = Ptr ZbarDecoder

Abstract Types

data ZbarSymbol

data ZbarSymbolSet

data ZbarImage

data ZbarProcessor

data ZbarVideo

data ZbarWindow

data ZbarImageScanner

data ZbarScanner

data ZbarDecoder

Callback types

type ZbarImageCleanupHandlerT = ZbarImagePtr -> IO ()

type ZbarImageDataHandlerT a = ZbarImagePtr -> Ptr a -> IO ()

type ZbarDecoderHandlerT = ZbarDecoderPtr -> IO ()

Callbacks

mkCleanupCallback :: ZbarImageCleanupHandlerT -> IO (FunPtr ZbarImageCleanupHandlerT)

mkDataCallback :: ZbarImageDataHandlerT a -> IO (FunPtr (ZbarImageDataHandlerT a))

mkDecoderCallback :: ZbarDecoderHandlerT -> IO (FunPtr ZbarDecoderHandlerT)

Functions

zbarVersion :: (CUInt, CUInt)

zbarSetVerbosity :: CInt -> IO ()

zbarIncreaseVerbosity :: IO ()

zbarGetSymbolName :: ZbarSymbolType -> String

zbarGetAddonName :: ZbarSymbolType -> String

zbarParseConfig :: String -> Ptr ZbarSymbolType -> Ptr ZbarConfig -> Ptr CInt -> IO Bool

zbarSymbolRef :: ZbarSymbolPtr -> CInt -> IO ()

zbarSymbolGetType :: ZbarSymbolPtr -> IO ZbarSymbolType

zbarSymbolGetData :: ZbarSymbolPtr -> IO CString

zbarSymbolGetDataLength :: ZbarSymbolPtr -> IO CUInt

zbarSymbolGetQuality :: ZbarSymbolPtr -> IO CInt

zbarSymbolGetCount :: ZbarSymbolPtr -> IO CInt

zbarSymbolGetLocSize :: ZbarSymbolPtr -> IO CUInt

zbarSymbolGetLocX :: ZbarSymbolPtr -> CUInt -> IO CInt

zbarSymbolGetLocY :: ZbarSymbolPtr -> CUInt -> IO CInt

zbarSymbolNext :: ZbarSymbolPtr -> IO ZbarSymbolPtr

zbarSymbolGetComponents :: ZbarSymbolPtr -> IO ZbarSymbolSetPtr

zbarSymbolFirstComponent :: ZbarSymbolPtr -> IO ZbarSymbolPtr

zbarSymbolXml :: ZbarSymbolPtr -> Ptr (Ptr a) -> Ptr CUInt -> IO (Ptr a)

zbarSymbolSetRef :: ZbarSymbolSetPtr -> CInt -> IO ()

zbarSymbolSetGetSize :: ZbarSymbolSetPtr -> IO CInt

zbarSymbolSetFirstSymbol :: ZbarSymbolSetPtr -> IO ZbarSymbolPtr

zbarImageCreate :: IO ZbarImagePtr

zbarImageDestroy :: ZbarImagePtr -> IO ()

zbarImageRef :: ZbarImagePtr -> CInt -> IO ()

zbarImageConvert :: ZbarImagePtr -> CULong -> IO ZbarImagePtr

zbarImageConvertResize :: ZbarImagePtr -> CULong -> CUInt -> CUInt -> IO ZbarImagePtr

zbarImageGetFormat :: ZbarImagePtr -> IO CULong

zbarImageGetSequence :: ZbarImagePtr -> IO CUInt

zbarImageGetWidth :: ZbarImagePtr -> IO CUInt

zbarImageGetHeight :: ZbarImagePtr -> IO CUInt

zbarImageGetData :: ZbarImagePtr -> IO (Ptr a)

zbarImageGetDataLength :: ZbarImagePtr -> IO CUInt

zbarImageGetSymbols :: ZbarImagePtr -> IO ZbarSymbolSetPtr

zbarImageSetSymbols :: ZbarImagePtr -> ZbarSymbolSetPtr -> IO ()

zbarImageFirstSymbol :: ZbarImagePtr -> IO ZbarSymbolPtr

zbarImageSetFormat :: ZbarImagePtr -> CULong -> IO ()

zbarImageSetSequence :: ZbarImagePtr -> CUInt -> IO ()

zbarImageSetSize :: ZbarImagePtr -> CUInt -> CUInt -> IO ()

zbarImageSetData :: ZbarImagePtr -> Ptr a -> CULong -> FunPtr ZbarImageCleanupHandlerT -> IO ()

zbarImageFreeData :: ZbarImagePtr -> IO ()

zbarImageSetUserdata :: ZbarImagePtr -> Ptr a -> IO ()

zbarImageGetUserdata :: ZbarImagePtr -> IO (Ptr a)

zbarImageWrite :: ZbarImagePtr -> String -> IO CInt

zbarImageRead :: String -> IO ZbarImagePtr

zbarProcessorCreate :: Bool -> IO ZbarProcessorPtr

zbarProcessorDestroy :: ZbarProcessorPtr -> IO ()

zbarProcessorInit :: ZbarProcessorPtr -> CString -> Bool -> IO CInt

zbarProcessorRequestSize :: ZbarProcessorPtr -> CUInt -> CUInt -> IO CInt

zbarProcessorRequestInterface :: ZbarProcessorPtr -> CInt -> IO CInt

zbarProcessorRequestIomode :: ZbarProcessorPtr -> CInt -> IO CInt

zbarProcessorForceFormat :: ZbarProcessorPtr -> CULong -> CULong -> IO CInt

zbarProcessorSetDataHandler :: ZbarProcessorPtr -> FunPtr (ZbarImageDataHandlerT a) -> Ptr a -> IO (FunPtr (ZbarImageDataHandlerT a))

zbarProcessorSetUserdata :: ZbarProcessorPtr -> Ptr a -> IO ()

zbarProcessorGetUserdata :: ZbarProcessorPtr -> IO (Ptr a)

zbarProcessorSetConfig :: ZbarProcessorPtr -> ZbarSymbolType -> ZbarConfig -> CInt -> IO Bool

zbarProcessorParseConfig :: ZbarProcessorPtr -> String -> IO Bool

zbarProcessorIsVisible :: ZbarProcessorPtr -> IO CInt

zbarProcessorSetVisible :: ZbarProcessorPtr -> CInt -> IO CInt

zbarProcessorSetActive :: ZbarProcessorPtr -> CInt -> IO CInt

zbarProcessorGetResults :: ZbarProcessorPtr -> IO ZbarSymbolSetPtr

zbarProcessorUserWait :: ZbarProcessorPtr -> CInt -> IO CInt

zbarProcessOne :: ZbarProcessorPtr -> CInt -> IO CInt

zbarProcessImage :: ZbarProcessorPtr -> ZbarImagePtr -> IO CInt

zbarProcessorErrorSpew :: ZbarProcessorPtr -> CInt -> IO CInt

zbarProcessorErrorString :: ZbarProcessorPtr -> CInt -> IO String

zbarProcessorGetErrorCode :: ZbarProcessorPtr -> IO ZbarError

zbarVideoCreate :: IO ZbarVideoPtr

zbarVideoGetFd :: ZbarVideoPtr -> IO CInt

zbarVideoRequestSize :: ZbarVideoPtr -> CUInt -> CUInt -> IO CInt

zbarVideoRequestInterface :: ZbarVideoPtr -> CInt -> IO CInt

zbarVideoRequestIomode :: ZbarVideoPtr -> CInt -> IO CInt

zbarVideoGetWidth :: ZbarVideoPtr -> IO CInt

zbarVideoGetHeight :: ZbarVideoPtr -> IO CInt

zbarVideoInit :: ZbarVideoPtr -> CULong -> IO CInt

zbarVideoEnable :: ZbarVideoPtr -> CInt -> IO CInt

zbarVideoNextImage :: ZbarVideoPtr -> IO ZbarImagePtr

zbarVideoErrorSpew :: ZbarVideoPtr -> CInt -> IO CInt

zbarVideoErrorString :: ZbarVideoPtr -> CInt -> IO String

zbarVideoGetErrorCode :: ZbarVideoPtr -> IO ZbarError

zbarWindowCreate :: IO ZbarWindowPtr

zbarWindowDestroy :: ZbarWindowPtr -> IO ()

zbarWindowAttach :: ZbarWindowPtr -> Ptr a -> CULong -> IO CInt

zbarWindowGetOverlay :: ZbarWindowPtr -> IO CInt

zbarWindowSetOverlay :: ZbarWindowPtr -> CInt -> IO ()

zbarWindowDraw :: ZbarWindowPtr -> ZbarImagePtr -> IO CInt

zbarWindowRedraw :: ZbarWindowPtr -> IO CInt

zbarWindowResize :: ZbarWindowPtr -> CInt -> CInt -> IO CInt

zbarWindowErrorSpew :: ZbarWindowPtr -> CInt -> IO CInt

zbarWindowErrorString :: ZbarWindowPtr -> CInt -> IO String

zbarWindowGetErrorCode :: ZbarWindowPtr -> IO ZbarError

zbarNegotiateFormat :: ZbarVideoPtr -> ZbarWindowPtr -> IO CInt

zbarImageScannerCreate :: IO ZbarImageScannerPtr

zbarImageScannerDestroy :: ZbarImageScannerPtr -> IO ()

zbarImageScannerSetDataHandler :: ZbarImageScannerPtr -> FunPtr (ZbarImageDataHandlerT a) -> Ptr a -> IO (FunPtr (ZbarImageDataHandlerT a))

zbarImageScannerSetConfig :: ZbarImageScannerPtr -> ZbarSymbolType -> ZbarConfig -> CInt -> IO CInt

zbarImageScannerParseConfig :: ZbarImageScannerPtr -> String -> IO CInt

zbarImageScannerEnableCache :: ZbarImageScannerPtr -> Bool -> IO ()

zbarImageScannerRecycleImage :: ZbarImageScannerPtr -> ZbarImagePtr -> IO ()

zbarImageScannerGetResults :: ZbarImageScannerPtr -> IO ZbarSymbolSetPtr

zbarScanImage :: ZbarImageScannerPtr -> ZbarImagePtr -> IO CInt

zbarDecoderCreate :: IO ()

zbarDecoderDestroy :: ZbarDecoderPtr -> IO ()

zbarDecoderSetConfig :: ZbarDecoderPtr -> ZbarSymbolType -> ZbarConfig -> CInt -> IO CInt

zbarDecoderParseConfig :: ZbarDecoderPtr -> String -> IO CInt

zbarDecoderReset :: ZbarDecoderPtr -> IO ()

zbarDecoderNewScan :: ZbarDecoderPtr -> IO ()

zbarDecodeWidth :: ZbarDecoderPtr -> CUInt -> IO ZbarSymbolType

zbarDecoderGetColor :: ZbarDecoderPtr -> IO ZbarColor

zbarDecoderGetData :: ZbarDecoderPtr -> IO (Ptr a)

zbarDecoderGetDataLength :: ZbarDecoderPtr -> IO CUInt

zbarDecoderGetType :: ZbarDecoderPtr -> IO ZbarSymbolType

zbarDecoderSetHandler :: ZbarDecoderPtr -> FunPtr ZbarDecoderHandlerT -> IO (FunPtr ZbarDecoderHandlerT)

zbarDecoderSetUserdata :: ZbarDecoderPtr -> Ptr a -> IO ()

zbarDecoderGetUserdata :: ZbarDecoderPtr -> IO (Ptr a)

zbarScannerCreate :: ZbarDecoderPtr -> IO ZbarScannerPtr

zbarScannerDestroy :: ZbarScannerPtr -> IO ()

zbarScannerReset :: ZbarScannerPtr -> IO ZbarSymbolType

zbarScannerNewScan :: ZbarScannerPtr -> IO ZbarSymbolType

zbarScannerFlush :: ZbarScannerPtr -> IO ZbarSymbolType

zbarScanY :: ZbarScannerPtr -> CInt -> IO ZbarSymbolType

zbarScanRgb24 :: ZbarScannerPtr -> Ptr CUChar -> IO ZbarSymbolType

zbarScannerGetWidth :: ZbarScannerPtr -> IO CUInt

zbarScannerGetEdge :: ZbarScannerPtr -> CUInt -> CInt -> IO CUInt

zbarScannerGetColor :: ZbarScannerPtr -> IO ZbarColor