code: private Rectangle getPICTFrame() throws IOException {
          if (frame == null) {
              // Read in header information
              readPICTHeader(imageInput);
  
              if (DEBUG) {
                  System.out.println("Done reading PICT header!");
              }
          }
  
          return frame;
      }
docs: Open and read the frame size of the PICT file.
  
  @return return the PICT frame
  @throws IOException if an I/O error occurs while reading the image.