V1.0

src/org/kne/io/AddInputStream.java

@@ -0,0 +1,42 @@
+package org.kne.io;
+
+import java.io.IOException;
+import java.io.InputStream;
+import java.util.Arrays;
+
+public final class AddInputStream extends InputStream {
+
+	volatile byte out = 0;
+	private InputStream in;
+
+	@Override
+	public int read() throws IOException {
+		int read = in.read();
+		if (read==-1) {
+			return -1;
+		}
+		out = (byte) (out+(byte) read);
+		return out&0xff;
+	}
+
+	@Override
+	public void close() throws IOException {
+		in.close();
+	}
+
+	public AddInputStream(InputStream in) {
+		super();
+		this.in = in;
+	}
+
+	public void read(byte[][] e) throws IOException {
+		for (int y = 0; y<e.length; y++) {
+			byte tmp[] = e[y];
+
+			for (int x = 0; x<tmp.length; x++) {
+				tmp[x] = (byte) read();
+			}
+		}
+	}
+
+}

src/org/kne/io/AddOutputStream.java

@@ -0,0 +1,41 @@
+package org.kne.io;
+
+import java.io.IOException;
+import java.io.OutputStream;
+import java.util.Arrays;
+
+public class AddOutputStream extends OutputStream {
+	volatile byte out=0;
+	private OutputStream o;
+	
+	@Override
+	public void close() throws IOException {
+		o.close();
+	}
+
+	@Override
+	public void flush() throws IOException {
+		
+		o.flush();
+	}
+
+	public AddOutputStream(OutputStream o) {
+		super();
+		this.o = o;
+	}
+
+	@Override
+	public void write(int b) throws IOException {
+		o.write((((byte)b)-out)&0xff);
+		out=(byte) b;
+	}
+	public void write(byte[][]e) throws IOException{
+		for (int y = 0; y < e.length; y++) {
+			byte tmp[]=e[y];
+			//System.out.println(Arrays.toString(tmp));
+			for (int x = 0; x < tmp.length; x++) {
+				write(tmp[x]&0xFF);
+			}
+		}
+	}
+}