1 /* Copyright (C) 2000, 2002 Free Software Foundation 2 3 This file is part of GNU Classpath. 4 5 GNU Classpath is free software; you can redistribute it and/or modify 6 it under the terms of the GNU General Public License as published by 7 the Free Software Foundation; either version 2, or (at your option) 8 any later version. 9 10 GNU Classpath is distributed in the hope that it will be useful, but 11 WITHOUT ANY WARRANTY; without even the implied warranty of 12 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU 13 General Public License for more details. 14 15 You should have received a copy of the GNU General Public License 16 along with GNU Classpath; see the file COPYING. If not, write to the 17 Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 18 02111-1307 USA. 19 20 Linking this library statically or dynamically with other modules is 21 making a combined work based on this library. Thus, the terms and 22 conditions of the GNU General Public License cover the whole 23 combination. 24 25 As a special exception, the copyright holders of this library give you 26 permission to link this library with independent modules to produce an 27 executable, regardless of the license terms of these independent 28 modules, and to copy and distribute the resulting executable under 29 terms of your choice, provided that you also meet, for each linked 30 independent module, the terms and conditions of the license of that 31 module. An independent module is a module which is not derived from 32 or based on this library. If you modify this library, you may extend 33 this exception to your version of the library, but you are not 34 obligated to do so. If you do not wish to do so, delete this 35 exception statement from your version. */ 36 37 package java.awt.image; 38 39 /* This is one of several classes that are nearly identical. Maybe we 40 should have a central template and generate all these files. This 41 is one of the cases where templates or macros would have been 42 useful to have in Java. 43 44 This file has been created using search-replace. My only fear is 45 that these classes will grow out-of-sync as of a result of changes 46 that are not propagated to the other files. As always, mirroring 47 code is a maintenance nightmare. */ 48 49 /** 50 * @author Rolf W. Rasmussen <rolfwr@ii.uib.no> 51 */ 52 public final class DataBufferByte extends DataBuffer 53 { 54 private byte[] data; 55 private byte[][] bankData; 56 57 public DataBufferByte(int size) 58 { 59 super(TYPE_BYTE, size); 60 data = new byte[size]; 61 } 62 63 public DataBufferByte(int size, int numBanks) 64 { 65 super(TYPE_BYTE, size, numBanks); 66 bankData = new byte[numBanks][size]; 67 data = bankData[0]; 68 } 69 70 public DataBufferByte(byte[] dataArray, int size) 71 { 72 super(TYPE_BYTE, size); 73 data = dataArray; 74 } 75 76 public DataBufferByte(byte[] dataArray, int size, int offset) 77 { 78 super(TYPE_BYTE, size, 1, offset); 79 data = dataArray; 80 } 81 82 public DataBufferByte(byte[][] dataArray, int size) zng_tr_init(deflate_state * s)83 { 84 super(TYPE_BYTE, size, dataArray.length); 85 bankData = dataArray; 86 data = bankData[0]; 87 } 88 89 public DataBufferByte(byte[][] dataArray, int size, int[] offsets) 90 { 91 super(TYPE_BYTE, size, dataArray.length, offsets); 92 bankData = dataArray; 93 data = bankData[0]; 94 } 95 96 public byte[] getData() 97 { 98 return data; 99 } 100 101 public byte[] getData(int bank) 102 { 103 return bankData[bank]; 104 } 105 106 public byte[][] getBankData() init_block(deflate_state * s)107 { 108 return bankData; 109 } 110 111 public int getElem(int i) 112 { 113 return data[i+offset] & 0xff; // get unsigned byte as int 114 } 115 116 public int getElem(int bank, int i) 117 { 118 // get unsigned byte as int 119 return bankData[bank][i+offsets[bank]] & 0xff; 120 } 121 122 public void setElem(int i, int val) 123 { 124 data[i+offset] = (byte) val; 125 } 126 127 public void setElem(int bank, int i, int val) 128 { 129 bankData[bank][i+offsets[bank]] = (byte) val; 130 } 131 } 132