C# Class BitMiracle.LibTiff.Classic.Internal.OJpegCodec

Inheritance: TiffCodec

显示文件 Open project: Core-Techs/TiffLibrary Class Usage Examples

Public Methods

Method	Description
Cleanup ( ) : void	Cleanups the state of the codec. Cleanup is called when codec is no longer needed (won't be used) and can be used for example to restore tag methods that were substituted.
DecodeRow ( byte buffer, int offset, int count, short plane ) : bool	Decodes one row of image data.
DecodeStrip ( byte buffer, int offset, int count, short plane ) : bool	Decodes one strip of image data.
DecodeTile ( byte buffer, int offset, int count, short plane ) : bool	Decodes one tile of image data.
EncodeRow ( byte buffer, int offset, int count, short plane ) : bool	Encodes one row of image data.
EncodeStrip ( byte buffer, int offset, int count, short plane ) : bool	Encodes one strip of image data.
EncodeTile ( byte buffer, int offset, int count, short plane ) : bool	Encodes one tile of image data.
GetTiff ( ) : Tiff
Init ( ) : bool
OJPEGReadBlock ( ushort len, byte mem, int offset ) : bool
OJPEGReadBytePeek ( byte &b ) : bool
OJPEGSubsamplingCorrect ( ) : void
OJpegCodec ( Tiff tif, Compression scheme, string name ) : System
PostEncode ( ) : bool	Performs any actions after encoding required by the codec. PostEncode is called after encoding and can be used to release any external resources needed during encoding.
PreDecode ( short plane ) : bool	Prepares the decoder part of the codec for a decoding. PreDecode is called after SetupDecode and before decoding.
PreEncode ( short plane ) : bool	Prepares the encoder part of the codec for a encoding. PreEncode is called after SetupEncode and before encoding.
SetupDecode ( ) : bool	Setups the decoder part of the codec. SetupDecode is called once before PreDecode.
SetupEncode ( ) : bool	Setups the encoder part of the codec. SetupEncode is called once before PreEncode.

Private Methods

Method	Description
ForceProcessedRgbOutput ( bool force ) : void
OJPEGCleanup ( ) : void
OJPEGDecode ( byte buf, int offset, int cc, short s ) : bool
OJPEGDecodeRaw ( byte buf, int offset, int cc ) : bool
OJPEGDecodeScanlines ( byte buf, int offset, int cc ) : bool
OJPEGLibjpegSessionAbort ( ) : void
OJPEGPreDecode ( short s ) : bool
OJPEGPreDecodeSkipRaw ( ) : bool
OJPEGPreDecodeSkipScanlines ( ) : bool
OJPEGReadBufferFill ( ) : bool
OJPEGReadByte ( byte &b ) : bool
OJPEGReadByteAdvance ( ) : void
OJPEGReadHeaderInfo ( ) : bool
OJPEGReadHeaderInfoSec ( ) : bool
OJPEGReadHeaderInfoSecStreamDht ( ) : bool
OJPEGReadHeaderInfoSecStreamDqt ( ) : bool
OJPEGReadHeaderInfoSecStreamDri ( ) : bool
OJPEGReadHeaderInfoSecStreamSof ( byte marker_id ) : bool
OJPEGReadHeaderInfoSecStreamSos ( ) : bool
OJPEGReadHeaderInfoSecTablesAcTable ( ) : bool
OJPEGReadHeaderInfoSecTablesDcTable ( ) : bool
OJPEGReadHeaderInfoSecTablesQTable ( ) : bool
OJPEGReadSecondarySos ( short s ) : bool
OJPEGReadSkip ( ushort len ) : void
OJPEGReadWord ( ushort &word ) : bool
OJPEGSetupDecode ( ) : bool
OJPEGWriteHeaderInfo ( ) : bool
OJPEGWriteStream ( byte &mem, uint &len ) : bool
OJPEGWriteStreamAcTable ( byte table_index, byte &mem, uint &len ) : void
OJPEGWriteStreamCompressed ( byte &mem, uint &len ) : bool
OJPEGWriteStreamDcTable ( byte table_index, byte &mem, uint &len ) : void
OJPEGWriteStreamDri ( byte &mem, uint &len ) : void
OJPEGWriteStreamEoi ( byte &mem, uint &len ) : void
OJPEGWriteStreamQTable ( byte table_index, byte &mem, uint &len ) : void
OJPEGWriteStreamRst ( byte &mem, uint &len ) : void
OJPEGWriteStreamSof ( byte &mem, uint &len ) : void
OJPEGWriteStreamSoi ( byte &mem, uint &len ) : void
OJPEGWriteStreamSos ( byte &mem, uint &len ) : void
OJpegEncodeIsUnsupported ( ) : bool
cleanState ( ) : void
jpeg_create_decompress_encap ( ) : bool
jpeg_read_header_encap ( bool require_image ) : ReadResult
jpeg_read_raw_data_encap ( int max_lines ) : int
jpeg_read_scanlines_encap ( byte scanlines, int max_lines ) : int
jpeg_start_decompress_encap ( ) : bool

Method Details

Cleanup() public method

Cleanups the state of the codec.

Cleanup is called when codec is no longer needed (won't be used) and can be used for example to restore tag methods that were substituted.

public Cleanup ( ) : void
return	void

DecodeRow() public method

Decodes one row of image data.

public DecodeRow ( byte buffer, int offset, int count, short plane ) : bool
buffer	byte	The buffer to place decoded image data to.
offset	int	The zero-based byte offset in at /// which to begin storing decoded bytes.
count	int	The number of decoded bytes that should be placed /// to
plane	short	The zero-based sample plane index.
return	bool

DecodeStrip() public method

Decodes one strip of image data.

public DecodeStrip ( byte buffer, int offset, int count, short plane ) : bool
buffer	byte	The buffer to place decoded image data to.
offset	int	The zero-based byte offset in at /// which to begin storing decoded bytes.
count	int	The number of decoded bytes that should be placed /// to
plane	short	The zero-based sample plane index.
return	bool

DecodeTile() public method

Decodes one tile of image data.

public DecodeTile ( byte buffer, int offset, int count, short plane ) : bool
buffer	byte	The buffer to place decoded image data to.
offset	int	The zero-based byte offset in at /// which to begin storing decoded bytes.
count	int	The number of decoded bytes that should be placed /// to
plane	short	The zero-based sample plane index.
return	bool

EncodeRow() public method

Encodes one row of image data.

public EncodeRow ( byte buffer, int offset, int count, short plane ) : bool
buffer	byte	The buffer with image data to be encoded.
offset	int	The zero-based byte offset in at /// which to begin read image data.
count	int	The maximum number of encoded bytes that can be placed /// to
plane	short	The zero-based sample plane index.
return	bool

EncodeStrip() public method

Encodes one strip of image data.

public EncodeStrip ( byte buffer, int offset, int count, short plane ) : bool
buffer	byte	The buffer with image data to be encoded.
offset	int	The zero-based byte offset in at /// which to begin read image data.
count	int	The maximum number of encoded bytes that can be placed /// to
plane	short	The zero-based sample plane index.
return	bool

EncodeTile() public method

Encodes one tile of image data.

public EncodeTile ( byte buffer, int offset, int count, short plane ) : bool
buffer	byte	The buffer with image data to be encoded.
offset	int	The zero-based byte offset in at /// which to begin read image data.
count	int	The maximum number of encoded bytes that can be placed /// to
plane	short	The zero-based sample plane index.
return	bool

GetTiff() public method

public GetTiff ( ) : Tiff
return	Tiff

Init() public method

public Init ( ) : bool
return	bool

OJPEGReadBlock() public method

public OJPEGReadBlock ( ushort len, byte mem, int offset ) : bool
len	ushort
mem	byte
offset	int
return	bool

OJPEGReadBytePeek() public method

public OJPEGReadBytePeek ( byte &b ) : bool
b	byte
return	bool

OJPEGSubsamplingCorrect() public method

public OJPEGSubsamplingCorrect ( ) : void
return	void

OJpegCodec() public method

public OJpegCodec ( Tiff tif, Compression scheme, string name ) : System
tif	Tiff
scheme	Compression
name	string
return	System

PostEncode() public method

Performs any actions after encoding required by the codec.

PostEncode is called after encoding and can be used to release any external resources needed during encoding.

public PostEncode ( ) : bool
return	bool

PreDecode() public method

Prepares the decoder part of the codec for a decoding.

PreDecode is called after SetupDecode and before decoding.

public PreDecode ( short plane ) : bool
plane	short	The zero-based sample plane index.
return	bool

PreEncode() public method

Prepares the encoder part of the codec for a encoding.

PreEncode is called after SetupEncode and before encoding.

public PreEncode ( short plane ) : bool
plane	short	The zero-based sample plane index.
return	bool

SetupDecode() public method

Setups the decoder part of the codec.

SetupDecode is called once before PreDecode.

public SetupDecode ( ) : bool
return	bool

SetupEncode() public method

Setups the encoder part of the codec.

SetupEncode is called once before PreEncode.

public SetupEncode ( ) : bool
return	bool