Source for gnu.java.awt.color.TagEntry

   1: /* TagEntry.java -- A utility class used for storing the tags in ICC_Profile
   2:    Copyright (C) 2004 Free Software Foundation
   3: 
   4: This file is part of GNU Classpath.
   5: 
   6: GNU Classpath is free software; you can redistribute it and/or modify
   7: it under the terms of the GNU General Public License as published by
   8: the Free Software Foundation; either version 2, or (at your option)
   9: any later version.
  10: 
  11: GNU Classpath is distributed in the hope that it will be useful, but
  12: WITHOUT ANY WARRANTY; without even the implied warranty of
  13: MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
  14: General Public License for more details.
  15: 
  16: You should have received a copy of the GNU General Public License
  17: along with GNU Classpath; see the file COPYING.  If not, write to the
  18: Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
  19: 02110-1301 USA.
  20: 
  21: Linking this library statically or dynamically with other modules is
  22: making a combined work based on this library.  Thus, the terms and
  23: conditions of the GNU General Public License cover the whole
  24: combination.
  25: 
  26: As a special exception, the copyright holders of this library give you
  27: permission to link this library with independent modules to produce an
  28: executable, regardless of the license terms of these independent
  29: modules, and to copy and distribute the resulting executable under
  30: terms of your choice, provided that you also meet, for each linked
  31: independent module, the terms and conditions of the license of that
  32: module.  An independent module is a module which is not derived from
  33: or based on this library.  If you modify this library, you may extend
  34: this exception to your version of the library, but you are not
  35: obligated to do so.  If you do not wish to do so, delete this
  36: exception statement from your version. */
  37: 
  38: package gnu.java.awt.color;
  39: 
  40: 
  41: /**
  42:  * TagEntry - stores a profile tag.
  43:  * These are conveniently stored in a hashtable with the tag signature
  44:  * as a key. A legal profile can only have one tag with a given sig,
  45:  * so we can conveniently ignore collisions.
  46:  *
  47:  * @author Sven de Marothy
  48:  */
  49: public class TagEntry
  50: {
  51:   // tag table entry size
  52:   public static final int entrySize = 12;
  53:   private int signature;
  54:   private int size;
  55:   private int offset;
  56:   private byte[] data;
  57: 
  58:   public TagEntry(int sig, int offset, int size, byte[] data)
  59:   {
  60:     this.signature = sig;
  61:     this.offset = offset;
  62:     this.size = size;
  63:     this.data = new byte[size];
  64:     System.arraycopy(data, offset, this.data, 0, size);
  65:   }
  66: 
  67:   public TagEntry(int sig, byte[] data)
  68:   {
  69:     this.signature = sig;
  70:     this.size = data.length;
  71:     this.data = new byte[size];
  72:     System.arraycopy(data, offset, this.data, 0, size);
  73:   }
  74: 
  75:   public byte[] getData()
  76:   {
  77:     byte[] d = new byte[size];
  78:     System.arraycopy(this.data, 0, d, 0, size);
  79:     return d;
  80:   }
  81: 
  82:   public String hashKey()
  83:   {
  84:     return tagHashKey(signature);
  85:   }
  86: 
  87:   public String toString()
  88:   {
  89:     String s = "";
  90:     s = s + (char) ((byte) ((signature >> 24) & 0xFF));
  91:     s = s + (char) ((byte) ((signature >> 16) & 0xFF));
  92:     s = s + (char) ((byte) ((signature >> 8) & 0xFF));
  93:     s = s + (char) ((byte) (signature & 0xFF));
  94:     return s;
  95:   }
  96: 
  97:   public int getSignature()
  98:   {
  99:     return signature;
 100:   }
 101: 
 102:   public int getSize()
 103:   {
 104:     return size;
 105:   }
 106: 
 107:   public int getOffset()
 108:   {
 109:     return offset;
 110:   }
 111: 
 112:   public void setOffset(int offset)
 113:   {
 114:     this.offset = offset;
 115:   }
 116: 
 117:   public static String tagHashKey(int sig)
 118:   {
 119:     return "" + sig;
 120:   }
 121: }