libjava/java/awt/image/DataBufferInt.java

/* Copyright (C) 2000  Free Software Foundation

   This file is part of libgcj.

This software is copyrighted work licensed under the terms of the
Libgcj License.  Please consult the file "LIBGCJ_LICENSE" for
details.  */

package java.awt.image;

/* This is one of several classes that are nearly identical. Maybe we
   should have a central template and generate all these files. This
   is one of the cases where templates or macros would have been
   useful to have in Java.

   This file has been created using search-replace. My only fear is
   that these classes will grow out-of-sync as of a result of changes
   that are not propagated to the other files. As always, mirroring
   code is a maintenance nightmare.  */

/**
 * @author Rolf W. Rasmussen <rolfwr@ii.uib.no>
 */
public class DataBufferInt extends DataBuffer
{
  private int[] data;
  private int[][] bankData;
  
  public DataBufferInt(int size)
  {
    super(TYPE_INT, size);
    data = new int[size];
  }

  public DataBufferInt(int size, int numBanks)
  {
    super(TYPE_INT, size, numBanks);
    bankData = new int[numBanks][size];
    data = bankData[0];
  }
  
  public DataBufferInt(int[] dataArray, int size)
  {
    super(TYPE_INT, size);
    data = dataArray;
  }
    
  public DataBufferInt(int[] dataArray, int size, int offset)
  {
    super(TYPE_INT, size, 1, offset);
    data = dataArray;
  }
  
  public DataBufferInt(int[][] dataArray, int size)
  {
    super(TYPE_INT, size, dataArray.length);
    bankData = dataArray;
    data = bankData[0];
  }
  
  public DataBufferInt(int[][] dataArray, int size, int[] offsets)
  {
    super(TYPE_INT, size, dataArray.length, offsets);
    bankData = dataArray;
    data = bankData[0];
  }

  public int[] getData()
  {
    return data;
  }
    
  public int[] getData(int bank)
  {
    return bankData[bank];
  }
  
  public int[][] getBankData()
  {
    return bankData;
  }
  
  public int getElem(int i)
  {
    return data[i+offset];
  }

  public int getElem(int bank, int i)
  {
    // get unsigned int as int
    return bankData[bank][i+offsets[bank]];
  }

  public void setElem(int i, int val)
  {
    data[i+offset] = (int) val;
  }
  
  public void setElem(int bank, int i, int val)
  {
    bankData[bank][i+offsets[bank]] = (int) val;
  }
}