public int fillFields(byte[] data,
    int offset,
    EscherRecordFactory recordFactory) 
{
                                                                         
        int bytesRemaining = readHeader( data, offset );
        int pos            = offset + 8;
        int size           = 0;
        field_1_rectX1 =  LittleEndian.getInt( data, pos + size );size+=4;
        field_2_rectY1 =  LittleEndian.getInt( data, pos + size );size+=4;
        field_3_rectX2 =  LittleEndian.getInt( data, pos + size );size+=4;
        field_4_rectY2 =  LittleEndian.getInt( data, pos + size );size+=4;
        bytesRemaining -= size;
        if (bytesRemaining != 0) throw new RecordFormatException("Expected no remaining bytes but got " + bytesRemaining);
//        remainingData  =  new byte[bytesRemaining];
//        System.arraycopy( data, pos + size, remainingData, 0, bytesRemaining );
        return 8 + size + bytesRemaining;
}

This method deserializes the record from a byte array.

 public short getRecordId() 
{
        return RECORD_ID;
}

The 16 bit identifier of this shape group record.

 public String getRecordName() 
{
        return "Spgr";
}

The short name for this record

 public int getRecordSize() 
{
        return 8 + 16;
}

Returns the number of bytes that are required to serialize this record.

 public int getRectX1() 
{
        return field_1_rectX1;
}

The starting top-left coordinate of child records.

 public int getRectX2() 
{
        return field_3_rectX2;
}

The starting bottom-right coordinate of child records.

 public int getRectY1() 
{
        return field_2_rectY1;
}

The starting top-left coordinate of child records.

 public int getRectY2() 
{
        return field_4_rectY2;
}

The starting bottom-right coordinate of child records.

 public int serialize(int offset,
    byte[] data,
    EscherSerializationListener listener) 
{
        listener.beforeRecordSerialize( offset, getRecordId(), this );
        LittleEndian.putShort( data, offset, getOptions() );
        LittleEndian.putShort( data, offset + 2, getRecordId() );
        int remainingBytes = 16;
        LittleEndian.putInt( data, offset + 4, remainingBytes );
        LittleEndian.putInt( data, offset + 8, field_1_rectX1 );
        LittleEndian.putInt( data, offset + 12, field_2_rectY1 );
        LittleEndian.putInt( data, offset + 16, field_3_rectX2 );
        LittleEndian.putInt( data, offset + 20, field_4_rectY2 );
//        System.arraycopy( remainingData, 0, data, offset + 26, remainingData.length );
//        int pos = offset + 8 + 18 + remainingData.length;
        listener.afterRecordSerialize( offset + getRecordSize(), getRecordId(), offset + getRecordSize(), this );
        return 8 + 16;
}

This method serializes this escher record into a byte array.

 public  void setRectX1(int x1) 
{
        this.field_1_rectX1 = x1;
}

The starting top-left coordinate of child records.

 public  void setRectX2(int x2) 
{
        this.field_3_rectX2 = x2;
}

The starting bottom-right coordinate of child records.

 public  void setRectY1(int y1) 
{
        this.field_2_rectY1 = y1;
}

The starting top-left coordinate of child records.

 public  void setRectY2(int field_4_rectY2) 
{
        this.field_4_rectY2 = field_4_rectY2;
}

The starting bottom-right coordinate of child records.

 public String toString() 
{
        String nl = System.getProperty("line.separator");
//        String extraData;
//        ByteArrayOutputStream b = new ByteArrayOutputStream();
//        try
//        {
//            HexDump.dump(this.remainingData, 0, b, 0);
//            extraData = b.toString();
//        }
//        catch ( Exception e )
//        {
//            extraData = "error";
//        }
        return getClass().getName() + ":" + nl +
                "  RecordId: 0x" + HexDump.toHex(RECORD_ID) + nl +
                "  Options: 0x" + HexDump.toHex(getOptions()) + nl +
                "  RectX: " + field_1_rectX1 + nl +
                "  RectY: " + field_2_rectY1 + nl +
                "  RectWidth: " + field_3_rectX2 + nl +
                "  RectHeight: " + field_4_rectY2 + nl;
}