libjava/javax/imageio/stream/ImageOutputStreamImpl.java

   1 /* ImageOutputStream.java --
   2    Copyright (C) 2004  Free Software Foundation, Inc.
   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., 59 Temple Place, Suite 330, Boston, MA
  19 02111-1307 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
  39 package javax.imageio.stream;
  40
  41 import java.io.IOException;
  42 import java.nio.ByteOrder;
  43
  44 /**
  45  * @author Michael Koch (konqueror@gmx.de)
  46  */
  47 public abstract class ImageOutputStreamImpl extends ImageInputStreamImpl
  48   implements ImageOutputStream
  49 {
  50   public ImageOutputStreamImpl()
  51   {
  52     // Do nothing here.
  53   }
  54
  55   protected void flushBits()
  56     throws IOException
  57   {
  58     // FIXME: Implement me.
  59     throw new Error("not implemented");
  60   }
  61
  62   public void write(byte[] data)
  63     throws IOException
  64   {
  65     write(data, 0, data.length);
  66   }
  67
  68   public abstract void write(byte[] data, int offset, int len)
  69     throws IOException;
  70
  71   public abstract void write(int value)
  72     throws IOException;
  73
  74   public void writeBit(int bit)
  75     throws IOException
  76   {
  77     // FIXME: Implement me.
  78     throw new Error("not implemented");
  79   }
  80
  81   public void writeBits(long bits, int numBits)
  82     throws IOException
  83   {
  84     // FIXME: Implement me.
  85     throw new Error("not implemented");
  86   }
  87
  88   public void writeBoolean(boolean value)
  89     throws IOException
  90   {
  91     writeByte(value ? 1 : 0);
  92   }
  93
  94   public void writeByte(int value)
  95     throws IOException
  96   {
  97     write(value & 0xff);
  98   }
  99
 100   public void writeBytes(String data)
 101     throws IOException
 102   {
 103     write(data.getBytes());
 104   }
 105
 106   public void writeChar(int value)
 107     throws IOException
 108   {
 109     writeShort((short) value);
 110   }
 111
 112   public void writeChars(char[] data, int offset, int len)
 113     throws IOException
 114   {
 115     for(int i = 0; i < len; ++len)
 116       writeChar(data[offset + i]);
 117   }
 118
 119   public void writeChars(String data)
 120     throws IOException
 121   {
 122     // FIXME: Implement me.
 123     throw new Error("not implemented");
 124   }
 125
 126   public void writeDouble(double value)
 127     throws IOException
 128   {
 129     writeLong((long) value);
 130   }
 131
 132   public void writeDoubles(double[] data, int offset, int len)
 133     throws IOException
 134   {
 135     for(int i = 0; i < len; ++len)
 136       writeDouble(data[offset + i]);
 137   }
 138
 139   public void writeFloat(float value)
 140     throws IOException
 141   {
 142     writeInt((int) value);
 143   }
 144
 145   public void writeFloats(float[] data, int offset, int len)
 146     throws IOException
 147   {
 148     for(int i = 0; i < len; ++len)
 149       writeFloat(data[offset + i]);
 150   }
 151
 152   public void writeInt(int value)
 153     throws IOException
 154   {
 155     if (getByteOrder() == ByteOrder.LITTLE_ENDIAN)
 156       {
 157         buffer[0] = ((byte) value);
 158         buffer[1] = ((byte) (value >> 8));
 159         buffer[2] = ((byte) (value >> 16));
 160         buffer[3] = ((byte) (value >> 24));
 161       }
 162     else
 163       {
 164         buffer[0] = ((byte) (value >> 24));
 165         buffer[1] = ((byte) (value >> 16));
 166         buffer[2] = ((byte) (value >> 8));
 167         buffer[3] = ((byte) value);
 168       }
 169
 170     write(buffer, 0, 4);
 171   }
 172
 173   public void writeInts(int[] data, int offset, int len)
 174     throws IOException
 175   {
 176     for(int i = 0; i < len; ++len)
 177       writeInt(data[offset + i]);
 178   }
 179
 180   public void writeLong(long value)
 181     throws IOException
 182   {
 183     if (getByteOrder() == ByteOrder.LITTLE_ENDIAN)
 184       {
 185         buffer[0] = ((byte) value);
 186         buffer[1] = ((byte) (value >> 8));
 187         buffer[2] = ((byte) (value >> 16));
 188         buffer[3] = ((byte) (value >> 24));
 189         buffer[4] = ((byte) (value >> 32));
 190         buffer[5] = ((byte) (value >> 40));
 191         buffer[6] = ((byte) (value >> 48));
 192         buffer[7] = ((byte) (value >> 56));
 193       }
 194     else
 195       {
 196         buffer[0] = ((byte) (value >> 56));
 197         buffer[1] = ((byte) (value >> 48));
 198         buffer[2] = ((byte) (value >> 40));
 199         buffer[3] = ((byte) (value >> 32));
 200         buffer[4] = ((byte) (value >> 24));
 201         buffer[5] = ((byte) (value >> 16));
 202         buffer[6] = ((byte) (value >> 8));
 203         buffer[7] = ((byte) value);
 204       }
 205
 206     write(buffer, 0, 8);
 207   }
 208
 209   public void writeLongs(long[] data, int offset, int len)
 210     throws IOException
 211   {
 212     for(int i = 0; i < len; ++len)
 213       writeLong(data[offset + i]);
 214   }
 215
 216   public void writeShort(int value)
 217     throws IOException
 218   {
 219     if (getByteOrder() == ByteOrder.LITTLE_ENDIAN)
 220       {
 221         buffer[0] = ((byte) value);
 222         buffer[1] = ((byte) (value >> 8));
 223       }
 224     else
 225       {
 226         buffer[0] = ((byte) (value >> 8));
 227         buffer[1] = ((byte) value);
 228       }
 229
 230     write(buffer, 0, 2);
 231   }
 232
 233   public void writeShorts(short[] data, int offset, int len)
 234     throws IOException
 235   {
 236     for(int i = 0; i < len; ++len)
 237       writeShort(data[offset + i]);
 238   }
 239
 240   public void writeUTF(String data)
 241     throws IOException
 242   {
 243     throw new Error("not implemented");
 244   }
 245 }