Package com.itextpdf.io.codec

Class CCITTG4Encoder

java.lang.Object

com.itextpdf.io.codec.CCITTG4Encoder

       public class CCITTG4Encoder extends Object
      

Encodes data in the CCITT G4 FAX format.

Constructor Summary

Constructors

Constructor	Description
CCITTG4Encoder(int width)	Creates a new encoder.

Method Summary

Modifier and Type	Method	Description
byte[]	close()	Closes the encoder and returns the encoded data.
static byte[]	compress(byte[] data, int width, int height)	Encodes a full image.
void	fax4Encode(byte[] data, int height)	Encodes a number of lines.
void	fax4Encode(byte[] data, int offset, int size)	Encodes a number of lines.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Constructor Details

CCITTG4Encoder

             public CCITTG4Encoder
             (int width)
            

Creates a new encoder.

Parameters:

width - the line width

Method Details

fax4Encode

             public void fax4Encode
             (byte[] data, int offset, int size)
            

Encodes a number of lines.

Parameters:

data - the data to be encoded

offset - the offset into the data

size - the size of the data to be encoded

compress

             public static byte[] compress
             (byte[] data, int width, int height)
            

Encodes a full image.

Parameters:

data - the data to encode

width - the image width

height - the image height

Returns:

the encoded image

fax4Encode

             public void fax4Encode
             (byte[] data, int height)
            

Encodes a number of lines.

Parameters:

data - the data to be encoded

height - the number of lines to encode

close

             public byte[] close()
            

Closes the encoder and returns the encoded data.

Returns:

the encoded data