public CCITTG4Encoder(int width) 
{
        rowpixels = width;
        rowbytes = (rowpixels + 7) / 8;
        refline = new byte[rowbytes];
}

Creates a new encoder.

Parameters:

width - the line width

 public byte[] close() 
{
        Fax4PostEncode();
        return outBuf.toByteArray();
}

Closes the encoder and returns the encoded data.

 public static byte[] compress(byte[] data,
    int width,
    int height) 
{
        CCITTG4Encoder g4 = new CCITTG4Encoder(width);
        g4.fax4Encode(data, 0, g4.rowbytes * height);
        return g4.close();
}

Encodes a full image.

 public  void fax4Encode(byte[] data,
    int height) 
{
        fax4Encode(data, 0, rowbytes * height);
}

Encodes a number of lines.

 public  void fax4Encode(byte[] data,
    int offset,
    int size) 
{
        dataBp = data;
        offsetData = offset;
        sizeData = size;
        while (sizeData  > 0) {
            Fax3Encode2DRow();
            System.arraycopy(dataBp, offsetData, refline, 0, rowbytes);
            offsetData += rowbytes;
            sizeData -= rowbytes;
        }
}

Encodes a number of lines.