/*********************************************************************
*
* Copyright (C) 2006 Andrew Khan
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation; either
* version 2.1 of the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
***************************************************************************/
package jxl.biff.drawing;
import java.util.Arrays;
/**
* Enumeration for the various chunk types
*/
class ChunkType
{
private byte[] id;
private String name;
private static ChunkType[] chunkTypes = new ChunkType[0];
private ChunkType(int d1, int d2, int d3, int d4, String n)
{
id = new byte[] {(byte) d1, (byte) d2, (byte) d3, (byte) d4};
name = n;
ChunkType[] ct = new ChunkType[chunkTypes.length + 1];
System.arraycopy(chunkTypes, 0, ct, 0, chunkTypes.length);
ct[chunkTypes.length] = this;
chunkTypes = ct;
}
public String getName()
{
return name;
}
public static ChunkType getChunkType(byte d1, byte d2, byte d3, byte d4)
{
byte[] cmp = new byte[] {d1, d2, d3, d4};
boolean found = false;
ChunkType chunk = ChunkType.UNKNOWN;
for (int i = 0; i < chunkTypes.length && !found ; i++)
{
if (Arrays.equals(chunkTypes[i].id, cmp))
{
chunk = chunkTypes[i];
found = true;
}
}
return chunk;
}
public static ChunkType IHDR = new ChunkType(0x49, 0x48, 0x44, 0x52,"IHDR");
public static ChunkType IEND = new ChunkType(0x49, 0x45, 0x4e, 0x44,"IEND");
public static ChunkType PHYS = new ChunkType(0x70, 0x48, 0x59, 0x73,"pHYs");
public static ChunkType UNKNOWN = new ChunkType(0xff, 0xff, 0xff, 0xff, "UNKNOWN");
}
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