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);}return 8 + size + bytesRemaining;}