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package sun.java2d.xr;

import java.util.*;

Growable int array, designed to allow subclasses to emulate the behaviour of value types.
Author:Clemens Eisserer
/** * Growable int array, designed to allow subclasses to emulate * the behaviour of value types. * * @author Clemens Eisserer */
public class GrowableByteArray { byte[] array; int size; int cellSize; public GrowableByteArray(int cellSize, int initialSize) { array = new byte[initialSize]; size = 0; this.cellSize = cellSize; } private int getNextCellIndex() { int oldSize = size; size += cellSize; if (size >= array.length) { growArray(); } return oldSize; }
Returns:a direct reference to the backing array.
/** * @return a direct reference to the backing array. */
public byte[] getArray() { return array; }
Returns:a copy of the backing array.
/** * @return a copy of the backing array. */
public byte[] getSizedArray() { return Arrays.copyOf(array, getSize()); } public final int getByte(int index) { return array[getCellIndex(index)]; }
Returns the index of the next free cell, and grows the backing arrays if required.
/** * Returns the index of the next free cell, * and grows the backing arrays if required. */
public final int getNextIndex() { return getNextCellIndex() / cellSize; } protected final int getCellIndex(int cellIndex) { return cellSize * cellIndex; } public final void addByte(byte i) { int nextIndex = getNextIndex(); array[nextIndex] = i; }
Returns:The number of stored cells.
/** * @return The number of stored cells. */
public final int getSize() { return size / cellSize; } public void clear() { size = 0; } protected void growArray() { int newSize = Math.max(array.length * 2, 10); byte[] oldArray = array; array = new byte[newSize]; System.arraycopy(oldArray, 0, array, 0, oldArray.length); } }