Safe Haskell	None
Language	Haskell2010

Graphics.Netpbm

Description

Parsing the netpbm image formates (PBM, PGM and PPM, both ASCII and binary) from ByteStrings.

All netpbm image formats are implemented (P1 - P6).

To parse one of these formats, use parsePPM.

Synopsis

data PPMType
- = P1
- | P2
- | P3
- | P4
- | P5
- | P6
data PPM = PPM {
- ppmHeader :: PPMHeader
- ppmData :: PpmPixelData
}
data PpmPixelRGB8 = PpmPixelRGB8 !Word8 !Word8 !Word8
data PpmPixelRGB16 = PpmPixelRGB16 !Word16 !Word16 !Word16
newtype PbmPixel = PbmPixel Bool
data PgmPixel8 = PgmPixel8 !Word8
data PgmPixel16 = PgmPixel16 !Word16
data PPMHeader = PPMHeader {
- ppmType :: !PPMType
- ppmWidth :: !Int
- ppmHeight :: !Int
}
data PpmPixelData
- = PpmPixelDataRGB8 (Vector PpmPixelRGB8)
- | PpmPixelDataRGB16 (Vector PpmPixelRGB16)
- | PbmPixelData (Vector PbmPixel)
- | PgmPixelData8 (Vector PgmPixel8)
- | PgmPixelData16 (Vector PgmPixel16)
pixelVectorToList :: Storable a => Vector a -> [a]
pixelDataToIntList :: PpmPixelData -> [Int]
parsePPM :: ByteString -> PpmParseResult
type PpmParseResult = Either String ([PPM], Maybe ByteString)

Documentation

data PPMType Source #

The netpbm image type of an image.

Constructors

P1	ASCII bitmap
P2	ASCII greymap
P3	ASCII pixmap (color)
P4	binary bitmap
P5	binary greymap
P6	binary pixmap (color)

Instances

Instances details

Enum PPMType Source #
Instance details Defined in Graphics.Netpbm Methods succ :: PPMType -> PPMType # pred :: PPMType -> PPMType # toEnum :: Int -> PPMType # fromEnum :: PPMType -> Int # enumFrom :: PPMType -> [PPMType] # enumFromThen :: PPMType -> PPMType -> [PPMType] # enumFromTo :: PPMType -> PPMType -> [PPMType] # enumFromThenTo :: PPMType -> PPMType -> PPMType -> [PPMType] #
Eq PPMType Source #
Instance details Defined in Graphics.Netpbm Methods (==) :: PPMType -> PPMType -> Bool # (/=) :: PPMType -> PPMType -> Bool #
Ord PPMType Source #
Instance details Defined in Graphics.Netpbm Methods compare :: PPMType -> PPMType -> Ordering # (<) :: PPMType -> PPMType -> Bool # (<=) :: PPMType -> PPMType -> Bool # (>) :: PPMType -> PPMType -> Bool # (>=) :: PPMType -> PPMType -> Bool # max :: PPMType -> PPMType -> PPMType # min :: PPMType -> PPMType -> PPMType #
Show PPMType Source #
Instance details Defined in Graphics.Netpbm Methods showsPrec :: Int -> PPMType -> ShowS # show :: PPMType -> String # showList :: [PPMType] -> ShowS #

data PPM Source #

A PPM file with type, dimensions, and image data.

Constructors

PPM
Fields ppmHeader :: PPMHeader ppmData :: PpmPixelData

Instances

Instances details

Show PPM Source #
Instance details Defined in Graphics.Netpbm Methods showsPrec :: Int -> PPM -> ShowS # show :: PPM -> String # showList :: [PPM] -> ShowS #

data PpmPixelRGB8 Source #

A pixel containing three 8-bit color components, RGB.

Constructors

PpmPixelRGB8 !Word8 !Word8 !Word8

Instances

Instances details

Eq PpmPixelRGB8 Source #
Instance details Defined in Graphics.Netpbm Methods (==) :: PpmPixelRGB8 -> PpmPixelRGB8 -> Bool # (/=) :: PpmPixelRGB8 -> PpmPixelRGB8 -> Bool #
Show PpmPixelRGB8 Source #
Instance details Defined in Graphics.Netpbm Methods showsPrec :: Int -> PpmPixelRGB8 -> ShowS # show :: PpmPixelRGB8 -> String # showList :: [PpmPixelRGB8] -> ShowS #
Storable PpmPixelRGB8 Source #
Instance details Defined in Graphics.Netpbm Methods sizeOf :: PpmPixelRGB8 -> Int # alignment :: PpmPixelRGB8 -> Int # peekElemOff :: Ptr PpmPixelRGB8 -> Int -> IO PpmPixelRGB8 # pokeElemOff :: Ptr PpmPixelRGB8 -> Int -> PpmPixelRGB8 -> IO () # peekByteOff :: Ptr b -> Int -> IO PpmPixelRGB8 # pokeByteOff :: Ptr b -> Int -> PpmPixelRGB8 -> IO () # peek :: Ptr PpmPixelRGB8 -> IO PpmPixelRGB8 # poke :: Ptr PpmPixelRGB8 -> PpmPixelRGB8 -> IO () #
Unbox PpmPixelRGB8 Source #
Instance details Defined in Graphics.Netpbm
Vector Vector PpmPixelRGB8 Source #
Instance details Defined in Graphics.Netpbm Methods basicUnsafeFreeze :: PrimMonad m => Mutable Vector (PrimState m) PpmPixelRGB8 -> m (Vector PpmPixelRGB8) # basicUnsafeThaw :: PrimMonad m => Vector PpmPixelRGB8 -> m (Mutable Vector (PrimState m) PpmPixelRGB8) # basicLength :: Vector PpmPixelRGB8 -> Int # basicUnsafeSlice :: Int -> Int -> Vector PpmPixelRGB8 -> Vector PpmPixelRGB8 # basicUnsafeIndexM :: Monad m => Vector PpmPixelRGB8 -> Int -> m PpmPixelRGB8 # basicUnsafeCopy :: PrimMonad m => Mutable Vector (PrimState m) PpmPixelRGB8 -> Vector PpmPixelRGB8 -> m () # elemseq :: Vector PpmPixelRGB8 -> PpmPixelRGB8 -> b -> b #
MVector MVector PpmPixelRGB8 Source #
Instance details Defined in Graphics.Netpbm Methods basicLength :: MVector s PpmPixelRGB8 -> Int # basicUnsafeSlice :: Int -> Int -> MVector s PpmPixelRGB8 -> MVector s PpmPixelRGB8 # basicOverlaps :: MVector s PpmPixelRGB8 -> MVector s PpmPixelRGB8 -> Bool # basicUnsafeNew :: PrimMonad m => Int -> m (MVector (PrimState m) PpmPixelRGB8) # basicInitialize :: PrimMonad m => MVector (PrimState m) PpmPixelRGB8 -> m () # basicUnsafeReplicate :: PrimMonad m => Int -> PpmPixelRGB8 -> m (MVector (PrimState m) PpmPixelRGB8) # basicUnsafeRead :: PrimMonad m => MVector (PrimState m) PpmPixelRGB8 -> Int -> m PpmPixelRGB8 # basicUnsafeWrite :: PrimMonad m => MVector (PrimState m) PpmPixelRGB8 -> Int -> PpmPixelRGB8 -> m () # basicClear :: PrimMonad m => MVector (PrimState m) PpmPixelRGB8 -> m () # basicSet :: PrimMonad m => MVector (PrimState m) PpmPixelRGB8 -> PpmPixelRGB8 -> m () # basicUnsafeCopy :: PrimMonad m => MVector (PrimState m) PpmPixelRGB8 -> MVector (PrimState m) PpmPixelRGB8 -> m () # basicUnsafeMove :: PrimMonad m => MVector (PrimState m) PpmPixelRGB8 -> MVector (PrimState m) PpmPixelRGB8 -> m () # basicUnsafeGrow :: PrimMonad m => MVector (PrimState m) PpmPixelRGB8 -> Int -> m (MVector (PrimState m) PpmPixelRGB8) #
newtype Vector PpmPixelRGB8 Source #
Instance details Defined in Graphics.Netpbm newtype Vector PpmPixelRGB8 = V_PpmPixelRGB8 (Vector (Word8, Word8, Word8))
newtype MVector s PpmPixelRGB8 Source #
Instance details Defined in Graphics.Netpbm newtype MVector s PpmPixelRGB8 = MV_PpmPixelRGB8 (MVector s (Word8, Word8, Word8))

data PpmPixelRGB16 Source #

A pixel containing three 16-bit color components, RGB.

Constructors

PpmPixelRGB16 !Word16 !Word16 !Word16

Instances

Instances details

Eq PpmPixelRGB16 Source #
Instance details Defined in Graphics.Netpbm Methods (==) :: PpmPixelRGB16 -> PpmPixelRGB16 -> Bool # (/=) :: PpmPixelRGB16 -> PpmPixelRGB16 -> Bool #
Show PpmPixelRGB16 Source #
Instance details Defined in Graphics.Netpbm Methods showsPrec :: Int -> PpmPixelRGB16 -> ShowS # show :: PpmPixelRGB16 -> String # showList :: [PpmPixelRGB16] -> ShowS #
Storable PpmPixelRGB16 Source #
Instance details Defined in Graphics.Netpbm Methods sizeOf :: PpmPixelRGB16 -> Int # alignment :: PpmPixelRGB16 -> Int # peekElemOff :: Ptr PpmPixelRGB16 -> Int -> IO PpmPixelRGB16 # pokeElemOff :: Ptr PpmPixelRGB16 -> Int -> PpmPixelRGB16 -> IO () # peekByteOff :: Ptr b -> Int -> IO PpmPixelRGB16 # pokeByteOff :: Ptr b -> Int -> PpmPixelRGB16 -> IO () # peek :: Ptr PpmPixelRGB16 -> IO PpmPixelRGB16 # poke :: Ptr PpmPixelRGB16 -> PpmPixelRGB16 -> IO () #
Unbox PpmPixelRGB16 Source #
Instance details Defined in Graphics.Netpbm
Vector Vector PpmPixelRGB16 Source #
Instance details Defined in Graphics.Netpbm Methods basicUnsafeFreeze :: PrimMonad m => Mutable Vector (PrimState m) PpmPixelRGB16 -> m (Vector PpmPixelRGB16) # basicUnsafeThaw :: PrimMonad m => Vector PpmPixelRGB16 -> m (Mutable Vector (PrimState m) PpmPixelRGB16) # basicLength :: Vector PpmPixelRGB16 -> Int # basicUnsafeSlice :: Int -> Int -> Vector PpmPixelRGB16 -> Vector PpmPixelRGB16 # basicUnsafeIndexM :: Monad m => Vector PpmPixelRGB16 -> Int -> m PpmPixelRGB16 # basicUnsafeCopy :: PrimMonad m => Mutable Vector (PrimState m) PpmPixelRGB16 -> Vector PpmPixelRGB16 -> m () # elemseq :: Vector PpmPixelRGB16 -> PpmPixelRGB16 -> b -> b #
MVector MVector PpmPixelRGB16 Source #
Instance details Defined in Graphics.Netpbm Methods basicLength :: MVector s PpmPixelRGB16 -> Int # basicUnsafeSlice :: Int -> Int -> MVector s PpmPixelRGB16 -> MVector s PpmPixelRGB16 # basicOverlaps :: MVector s PpmPixelRGB16 -> MVector s PpmPixelRGB16 -> Bool # basicUnsafeNew :: PrimMonad m => Int -> m (MVector (PrimState m) PpmPixelRGB16) # basicInitialize :: PrimMonad m => MVector (PrimState m) PpmPixelRGB16 -> m () # basicUnsafeReplicate :: PrimMonad m => Int -> PpmPixelRGB16 -> m (MVector (PrimState m) PpmPixelRGB16) # basicUnsafeRead :: PrimMonad m => MVector (PrimState m) PpmPixelRGB16 -> Int -> m PpmPixelRGB16 # basicUnsafeWrite :: PrimMonad m => MVector (PrimState m) PpmPixelRGB16 -> Int -> PpmPixelRGB16 -> m () # basicClear :: PrimMonad m => MVector (PrimState m) PpmPixelRGB16 -> m () # basicSet :: PrimMonad m => MVector (PrimState m) PpmPixelRGB16 -> PpmPixelRGB16 -> m () # basicUnsafeCopy :: PrimMonad m => MVector (PrimState m) PpmPixelRGB16 -> MVector (PrimState m) PpmPixelRGB16 -> m () # basicUnsafeMove :: PrimMonad m => MVector (PrimState m) PpmPixelRGB16 -> MVector (PrimState m) PpmPixelRGB16 -> m () # basicUnsafeGrow :: PrimMonad m => MVector (PrimState m) PpmPixelRGB16 -> Int -> m (MVector (PrimState m) PpmPixelRGB16) #
newtype Vector PpmPixelRGB16 Source #
Instance details Defined in Graphics.Netpbm newtype Vector PpmPixelRGB16 = V_PpmPixelRGB16 (Vector (Word16, Word16, Word16))
newtype MVector s PpmPixelRGB16 Source #
Instance details Defined in Graphics.Netpbm newtype MVector s PpmPixelRGB16 = MV_PpmPixelRGB16 (MVector s (Word16, Word16, Word16))

newtype PbmPixel Source #

A pixel containing black or white.

Constructors

PbmPixel Bool

Instances

Instances details

Eq PbmPixel Source #
Instance details Defined in Graphics.Netpbm Methods (==) :: PbmPixel -> PbmPixel -> Bool # (/=) :: PbmPixel -> PbmPixel -> Bool #
Show PbmPixel Source #
Instance details Defined in Graphics.Netpbm Methods showsPrec :: Int -> PbmPixel -> ShowS # show :: PbmPixel -> String # showList :: [PbmPixel] -> ShowS #
Storable PbmPixel Source #
Instance details Defined in Graphics.Netpbm Methods sizeOf :: PbmPixel -> Int # alignment :: PbmPixel -> Int # peekElemOff :: Ptr PbmPixel -> Int -> IO PbmPixel # pokeElemOff :: Ptr PbmPixel -> Int -> PbmPixel -> IO () # peekByteOff :: Ptr b -> Int -> IO PbmPixel # pokeByteOff :: Ptr b -> Int -> PbmPixel -> IO () # peek :: Ptr PbmPixel -> IO PbmPixel # poke :: Ptr PbmPixel -> PbmPixel -> IO () #
Unbox PbmPixel Source #
Instance details Defined in Graphics.Netpbm
Vector Vector PbmPixel Source #
Instance details Defined in Graphics.Netpbm Methods basicUnsafeFreeze :: PrimMonad m => Mutable Vector (PrimState m) PbmPixel -> m (Vector PbmPixel) # basicUnsafeThaw :: PrimMonad m => Vector PbmPixel -> m (Mutable Vector (PrimState m) PbmPixel) # basicLength :: Vector PbmPixel -> Int # basicUnsafeSlice :: Int -> Int -> Vector PbmPixel -> Vector PbmPixel # basicUnsafeIndexM :: Monad m => Vector PbmPixel -> Int -> m PbmPixel # basicUnsafeCopy :: PrimMonad m => Mutable Vector (PrimState m) PbmPixel -> Vector PbmPixel -> m () # elemseq :: Vector PbmPixel -> PbmPixel -> b -> b #
MVector MVector PbmPixel Source #
Instance details Defined in Graphics.Netpbm Methods basicLength :: MVector s PbmPixel -> Int # basicUnsafeSlice :: Int -> Int -> MVector s PbmPixel -> MVector s PbmPixel # basicOverlaps :: MVector s PbmPixel -> MVector s PbmPixel -> Bool # basicUnsafeNew :: PrimMonad m => Int -> m (MVector (PrimState m) PbmPixel) # basicInitialize :: PrimMonad m => MVector (PrimState m) PbmPixel -> m () # basicUnsafeReplicate :: PrimMonad m => Int -> PbmPixel -> m (MVector (PrimState m) PbmPixel) # basicUnsafeRead :: PrimMonad m => MVector (PrimState m) PbmPixel -> Int -> m PbmPixel # basicUnsafeWrite :: PrimMonad m => MVector (PrimState m) PbmPixel -> Int -> PbmPixel -> m () # basicClear :: PrimMonad m => MVector (PrimState m) PbmPixel -> m () # basicSet :: PrimMonad m => MVector (PrimState m) PbmPixel -> PbmPixel -> m () # basicUnsafeCopy :: PrimMonad m => MVector (PrimState m) PbmPixel -> MVector (PrimState m) PbmPixel -> m () # basicUnsafeMove :: PrimMonad m => MVector (PrimState m) PbmPixel -> MVector (PrimState m) PbmPixel -> m () # basicUnsafeGrow :: PrimMonad m => MVector (PrimState m) PbmPixel -> Int -> m (MVector (PrimState m) PbmPixel) #
newtype Vector PbmPixel Source #
Instance details Defined in Graphics.Netpbm newtype Vector PbmPixel = V_PbmPixel (Vector Bool)
newtype MVector s PbmPixel Source #
Instance details Defined in Graphics.Netpbm newtype MVector s PbmPixel = MV_PbmPixel (MVector s Bool)

data PgmPixel8 Source #

A pixel containing an 8-bit greyscale value.

Constructors

PgmPixel8 !Word8

Instances

Instances details

Eq PgmPixel8 Source #
Instance details Defined in Graphics.Netpbm Methods (==) :: PgmPixel8 -> PgmPixel8 -> Bool # (/=) :: PgmPixel8 -> PgmPixel8 -> Bool #
Show PgmPixel8 Source #
Instance details Defined in Graphics.Netpbm Methods showsPrec :: Int -> PgmPixel8 -> ShowS # show :: PgmPixel8 -> String # showList :: [PgmPixel8] -> ShowS #
Storable PgmPixel8 Source #
Instance details Defined in Graphics.Netpbm Methods sizeOf :: PgmPixel8 -> Int # alignment :: PgmPixel8 -> Int # peekElemOff :: Ptr PgmPixel8 -> Int -> IO PgmPixel8 # pokeElemOff :: Ptr PgmPixel8 -> Int -> PgmPixel8 -> IO () # peekByteOff :: Ptr b -> Int -> IO PgmPixel8 # pokeByteOff :: Ptr b -> Int -> PgmPixel8 -> IO () # peek :: Ptr PgmPixel8 -> IO PgmPixel8 # poke :: Ptr PgmPixel8 -> PgmPixel8 -> IO () #
Unbox PgmPixel8 Source #
Instance details Defined in Graphics.Netpbm
Vector Vector PgmPixel8 Source #
Instance details Defined in Graphics.Netpbm Methods basicUnsafeFreeze :: PrimMonad m => Mutable Vector (PrimState m) PgmPixel8 -> m (Vector PgmPixel8) # basicUnsafeThaw :: PrimMonad m => Vector PgmPixel8 -> m (Mutable Vector (PrimState m) PgmPixel8) # basicLength :: Vector PgmPixel8 -> Int # basicUnsafeSlice :: Int -> Int -> Vector PgmPixel8 -> Vector PgmPixel8 # basicUnsafeIndexM :: Monad m => Vector PgmPixel8 -> Int -> m PgmPixel8 # basicUnsafeCopy :: PrimMonad m => Mutable Vector (PrimState m) PgmPixel8 -> Vector PgmPixel8 -> m () # elemseq :: Vector PgmPixel8 -> PgmPixel8 -> b -> b #
MVector MVector PgmPixel8 Source #
Instance details Defined in Graphics.Netpbm Methods basicLength :: MVector s PgmPixel8 -> Int # basicUnsafeSlice :: Int -> Int -> MVector s PgmPixel8 -> MVector s PgmPixel8 # basicOverlaps :: MVector s PgmPixel8 -> MVector s PgmPixel8 -> Bool # basicUnsafeNew :: PrimMonad m => Int -> m (MVector (PrimState m) PgmPixel8) # basicInitialize :: PrimMonad m => MVector (PrimState m) PgmPixel8 -> m () # basicUnsafeReplicate :: PrimMonad m => Int -> PgmPixel8 -> m (MVector (PrimState m) PgmPixel8) # basicUnsafeRead :: PrimMonad m => MVector (PrimState m) PgmPixel8 -> Int -> m PgmPixel8 # basicUnsafeWrite :: PrimMonad m => MVector (PrimState m) PgmPixel8 -> Int -> PgmPixel8 -> m () # basicClear :: PrimMonad m => MVector (PrimState m) PgmPixel8 -> m () # basicSet :: PrimMonad m => MVector (PrimState m) PgmPixel8 -> PgmPixel8 -> m () # basicUnsafeCopy :: PrimMonad m => MVector (PrimState m) PgmPixel8 -> MVector (PrimState m) PgmPixel8 -> m () # basicUnsafeMove :: PrimMonad m => MVector (PrimState m) PgmPixel8 -> MVector (PrimState m) PgmPixel8 -> m () # basicUnsafeGrow :: PrimMonad m => MVector (PrimState m) PgmPixel8 -> Int -> m (MVector (PrimState m) PgmPixel8) #
newtype Vector PgmPixel8 Source #
Instance details Defined in Graphics.Netpbm newtype Vector PgmPixel8 = V_PgmPixel8 (Vector Word8)
newtype MVector s PgmPixel8 Source #
Instance details Defined in Graphics.Netpbm newtype MVector s PgmPixel8 = MV_PgmPixel8 (MVector s Word8)

data PgmPixel16 Source #

A pixel containing a 16-bit greyscale value.

Constructors

PgmPixel16 !Word16

Instances

Instances details

Eq PgmPixel16 Source #
Instance details Defined in Graphics.Netpbm Methods (==) :: PgmPixel16 -> PgmPixel16 -> Bool # (/=) :: PgmPixel16 -> PgmPixel16 -> Bool #
Show PgmPixel16 Source #
Instance details Defined in Graphics.Netpbm Methods showsPrec :: Int -> PgmPixel16 -> ShowS # show :: PgmPixel16 -> String # showList :: [PgmPixel16] -> ShowS #
Storable PgmPixel16 Source #
Instance details Defined in Graphics.Netpbm Methods sizeOf :: PgmPixel16 -> Int # alignment :: PgmPixel16 -> Int # peekElemOff :: Ptr PgmPixel16 -> Int -> IO PgmPixel16 # pokeElemOff :: Ptr PgmPixel16 -> Int -> PgmPixel16 -> IO () # peekByteOff :: Ptr b -> Int -> IO PgmPixel16 # pokeByteOff :: Ptr b -> Int -> PgmPixel16 -> IO () # peek :: Ptr PgmPixel16 -> IO PgmPixel16 # poke :: Ptr PgmPixel16 -> PgmPixel16 -> IO () #
Unbox PgmPixel16 Source #
Instance details Defined in Graphics.Netpbm
Vector Vector PgmPixel16 Source #
Instance details Defined in Graphics.Netpbm Methods basicUnsafeFreeze :: PrimMonad m => Mutable Vector (PrimState m) PgmPixel16 -> m (Vector PgmPixel16) # basicUnsafeThaw :: PrimMonad m => Vector PgmPixel16 -> m (Mutable Vector (PrimState m) PgmPixel16) # basicLength :: Vector PgmPixel16 -> Int # basicUnsafeSlice :: Int -> Int -> Vector PgmPixel16 -> Vector PgmPixel16 # basicUnsafeIndexM :: Monad m => Vector PgmPixel16 -> Int -> m PgmPixel16 # basicUnsafeCopy :: PrimMonad m => Mutable Vector (PrimState m) PgmPixel16 -> Vector PgmPixel16 -> m () # elemseq :: Vector PgmPixel16 -> PgmPixel16 -> b -> b #
MVector MVector PgmPixel16 Source #
Instance details Defined in Graphics.Netpbm Methods basicLength :: MVector s PgmPixel16 -> Int # basicUnsafeSlice :: Int -> Int -> MVector s PgmPixel16 -> MVector s PgmPixel16 # basicOverlaps :: MVector s PgmPixel16 -> MVector s PgmPixel16 -> Bool # basicUnsafeNew :: PrimMonad m => Int -> m (MVector (PrimState m) PgmPixel16) # basicInitialize :: PrimMonad m => MVector (PrimState m) PgmPixel16 -> m () # basicUnsafeReplicate :: PrimMonad m => Int -> PgmPixel16 -> m (MVector (PrimState m) PgmPixel16) # basicUnsafeRead :: PrimMonad m => MVector (PrimState m) PgmPixel16 -> Int -> m PgmPixel16 # basicUnsafeWrite :: PrimMonad m => MVector (PrimState m) PgmPixel16 -> Int -> PgmPixel16 -> m () # basicClear :: PrimMonad m => MVector (PrimState m) PgmPixel16 -> m () # basicSet :: PrimMonad m => MVector (PrimState m) PgmPixel16 -> PgmPixel16 -> m () # basicUnsafeCopy :: PrimMonad m => MVector (PrimState m) PgmPixel16 -> MVector (PrimState m) PgmPixel16 -> m () # basicUnsafeMove :: PrimMonad m => MVector (PrimState m) PgmPixel16 -> MVector (PrimState m) PgmPixel16 -> m () # basicUnsafeGrow :: PrimMonad m => MVector (PrimState m) PgmPixel16 -> Int -> m (MVector (PrimState m) PgmPixel16) #
newtype Vector PgmPixel16 Source #
Instance details Defined in Graphics.Netpbm newtype Vector PgmPixel16 = V_PgmPixel16 (Vector Word16)
newtype MVector s PgmPixel16 Source #
Instance details Defined in Graphics.Netpbm newtype MVector s PgmPixel16 = MV_PgmPixel16 (MVector s Word16)

data PPMHeader Source #

Meta information about the image: The exact PPM format and dimensions.

Constructors

PPMHeader
Fields ppmType :: !PPMType ppmWidth :: !Int ppmHeight :: !Int

Instances

Instances details

Eq PPMHeader Source #
Instance details Defined in Graphics.Netpbm Methods (==) :: PPMHeader -> PPMHeader -> Bool # (/=) :: PPMHeader -> PPMHeader -> Bool #
Show PPMHeader Source #
Instance details Defined in Graphics.Netpbm Methods showsPrec :: Int -> PPMHeader -> ShowS # show :: PPMHeader -> String # showList :: [PPMHeader] -> ShowS #

data PpmPixelData Source #

Image data, either 8 or 16 bits. TODO rename to PNM

Constructors

PpmPixelDataRGB8 (Vector PpmPixelRGB8)	For 8-bit PPMs.
PpmPixelDataRGB16 (Vector PpmPixelRGB16)	For 16-bit PPMs.
PbmPixelData (Vector PbmPixel)	For 1-bit PBMs.
PgmPixelData8 (Vector PgmPixel8)	For 8-bit PGMs.
PgmPixelData16 (Vector PgmPixel16)	For 16-bit PGMs.

pixelVectorToList :: Storable a => Vector a -> [a] Source #

Converts a vector of pixels to a list for convenience.

pixelDataToIntList :: PpmPixelData -> [Int] Source #

Converts pixel data to a list of positive Ints.

How big they can become depends on the bit depth of the pixel data.

parsePPM :: ByteString -> PpmParseResult Source #

Parses a PPM file from the given ByteString. On failure, Left error contains the error message. On success, Right (images, Maybe rest) contains the parsed images and potentially an unparsable rest input.

type PpmParseResult = Either String ([PPM], Maybe ByteString) Source #

The result of a PPM parse.

See parsePPM.