diff --git a/src/main/java/cit/PureATN/KeyEvent_on_Note.java b/src/main/java/cit/PureATN/KeyEvent_on_Note.java
index 00bd02b..0c94b37 100644
--- a/src/main/java/cit/PureATN/KeyEvent_on_Note.java
+++ b/src/main/java/cit/PureATN/KeyEvent_on_Note.java
@@ -4,8 +4,6 @@
 
 import org.piccolo2d.PCanvas;
 import org.piccolo2d.activities.PTransformActivity;
-import org.piccolo2d.util.PBounds;
-
 import java.awt.event.KeyEvent;
 
 public class KeyEvent_on_Note implements KeyListener {
@@ -24,87 +22,32 @@
     }
 
     public void keyPressed(KeyEvent e) {
-        // System.out.println("keyCode=" + e.getKeyCode() + " keyChar [" + e.getKeyChar() + "]");
+        // System.out.println("keyCode=" + e.getKeyCode() + " keyChar [" +
+        // e.getKeyChar() + "]");
         if (e.getKeyCode() == 27) {// ESC
             PTransformActivity ta = canvas.getCamera().animateViewToCenterBounds(canvas.getLayer().getFullBounds(),
                     true, 1000);
-            // ta.setStartTime(0);
         }
-        if (KeyEvent.VK_1 <= e.getKeyCode() && e.getKeyCode() <= KeyEvent.VK_9 ) { //TODO: 本当は10番まであるが,1..9でがまん
-            System.out.println("VK_"+(e.getKeyCode()- KeyEvent.VK_0));
-            Note.theapp.setMousePenID(e.getKeyCode()- KeyEvent.VK_0);
+        if (KeyEvent.VK_1 <= e.getKeyCode() && e.getKeyCode() <= KeyEvent.VK_9) { // TODO: 本当は10番まであるが,1..9でがまん
+            System.out.println("VK_" + (e.getKeyCode() - KeyEvent.VK_0));
+            Note.theapp.setMousePenID(e.getKeyCode() - KeyEvent.VK_0);
         }
 
-        if (e.getKeyCode() == KeyEvent.VK_ENTER || e.getKeyCode() == KeyEvent.VK_F || e.getKeyCode() == KeyEvent.VK_R
-                || e.getKeyCode() == KeyEvent.VK_M) {
-            // if (zrh.selection != null){
-            // if (zrh.pressN != null && zrh.pressN instanceof Sheet){
-            // Sheet s = (Sheet)zrh.pressN;
-            // s.collect(zrh.selection, e.getKeyCode());
-            // }
-            // if (zrh.pressN != null && zrh.pressN instanceof SSGroup){ //SSGRoup
-            // だったら，シートに変換
-            // SSGroup ssg = (SSGroup)zrh.pressN;
-            // ssg.sheet.collect(zrh.selection, e.getKeyCode());
-            // }
-            // }
-            // zrh.dismissRegionLater();
+        if (e.getKeyCode() == KeyEvent.VK_ENTER) {
         }
-        if (e.getKeyCode() == KeyEvent.VK_Z) {
-            // System.out.println("SimpleATN zoomLevel = "+getZoomLevel());
+        if (e.getKeyCode() == KeyEvent.VK_L) {
+            byte[] ba = PenUser.loadFromFile(null);
+            PenUser.byteSerializeImport(ba);
         }
-        if (e.getKeyCode() == KeyEvent.VK_A || e.getKeyCode() == KeyEvent.VK_0) {
-            // // addNote();
-            // for(int i=0;i<7;i++){
-            // sheetVisibleMode[i]=2;
-            // }
-            // sheetVisibleToolbuttons.updateStatus();
-            // setSheetVisible(-1, 2);
+        if (e.getKeyCode() == KeyEvent.VK_S) {
+            byte[] ba = PenUser.byteSerializeExport();
+            PenUser.saveToFile(null, ba);
+        }
+        if (e.getKeyCode() == KeyEvent.VK_Q) {
+            System.exit(0);
         }
         if (e.getKeyCode() == KeyEvent.VK_F11) {
             // menutoolbar.getButton("Full Screen").doClick();
         }
-
-        // 範囲選択中なら．．．
-        // if (zrh.isDragging() && zrh.selection != null){
-        // if (KeyEvent.VK_1 <= e.getKeyCode() && e.getKeyCode() <= KeyEvent.VK_5){
-        // //領域フィルタに追加
-        // if (zrh.pressN != null && zrh.pressN instanceof Sheet){
-        // Sheet s = (Sheet)zrh.pressN;
-        // ConfigWindow.configWin.filter.addRegionFilter(s, zrh.selection,
-        // e.getKeyCode());
-        // }
-        // if (zrh.pressN != null && zrh.pressN instanceof SSGroup){ //SSGRoup
-        // だったら，シートに変換
-        // SSGroup ssg = (SSGroup)zrh.pressN;
-        // // ssg.sheet.collect(zrh.selection, e.getKeyCode());
-        // ConfigWindow.configWin.filter.addRegionFilter(ssg.sheet, zrh.selection,
-        // e.getKeyCode());
-        // }
-        // zrh.dismissRegionLater();
-        // }
-        // } else {
-        // if (KeyEvent.VK_1 <= e.getKeyCode() && e.getKeyCode() <= KeyEvent.VK_6){
-        // }
-        // }
-        // PBounds pb = getCanvas().getCamera().getViewBounds();
-        // int keyCode = e.getKeyCode();
-        // if (keyCode == 38) {// 上
-        // pb.moveBy(0, -pb.getHeight());
-        // zoomToBounds(pb,1000,"KeyPan");
-        // }
-        // if (keyCode == 37) {// 左
-        // pb.moveBy(-pb.getWidth(),0);
-        // zoomToBounds(pb,1000,"KeyPan");
-        // }
-        // if (keyCode == 39) {// 右
-        // pb.moveBy(pb.getWidth(),0);
-        // zoomToBounds(pb,1000,"KeyPan");
-        // }
-        // if (keyCode == 40) {// 下
-        // pb.moveBy(0,pb.getHeight());
-        // zoomToBounds(pb,1000,"KeyPan");
-        // }
-        // }
     }
 }
diff --git a/src/main/java/cit/PureATN/MultiNote/KeyEvent_on_MultiNote.java b/src/main/java/cit/PureATN/MultiNote/KeyEvent_on_MultiNote.java
index 77c5869..bcddde5 100644
--- a/src/main/java/cit/PureATN/MultiNote/KeyEvent_on_MultiNote.java
+++ b/src/main/java/cit/PureATN/MultiNote/KeyEvent_on_MultiNote.java
@@ -39,6 +39,11 @@
             // }
             // zrh.dismissRegionLater();
         }
+        if (e.getKeyCode() == KeyEvent.VK_C) { //色付け
+            MultiNote mn = (MultiNote)Note.theapp;
+            mn.iroduke();            
+        }
+
         if (e.getKeyCode() == KeyEvent.VK_Z) {
             // System.out.println("SimpleATN zoomLevel = "+getZoomLevel());
         }
diff --git a/src/main/java/cit/PureATN/PenUser.java b/src/main/java/cit/PureATN/PenUser.java
index 4e740e6..bcc64de 100644
--- a/src/main/java/cit/PureATN/PenUser.java
+++ b/src/main/java/cit/PureATN/PenUser.java
@@ -2,15 +2,30 @@
 
 import java.awt.Color;
 import java.awt.Graphics;
+import java.io.ByteArrayInputStream;
+import java.io.ByteArrayOutputStream;
+import java.io.EOFException;
+import java.io.IOException;
+import java.io.InputStream;
+import java.io.ObjectInputStream;
+import java.io.ObjectOutputStream;
+import java.io.OutputStream;
+import java.io.Serializable;
+import java.net.SocketPermission;
 import java.util.ArrayList;
+import java.util.Collection;
 import java.util.Date;
 import java.util.HashMap;
 import java.util.Hashtable;
 import java.util.Map;
+import java.util.zip.GZIPInputStream;
+import java.util.zip.GZIPOutputStream;
 
 import org.piccolo2d.PNode;
+import org.piccolo2d.util.PObjectOutputStream;
 
-public class PenUser {
+public class PenUser implements Serializable {
+	private static final long serialVersionUID = 9212314123123L;
 	public static Hashtable<String, PenUser> penusers = new Hashtable<String, PenUser>();
 
 	public enum GraphicsMode {
@@ -59,9 +74,88 @@
 		}
 	}
 
+	public static void saveToFile(String fn, byte[] ba) {
+		if (fn == null)
+			fn = "output.patn";
+		FileReadWriter.writeBytesToFile(fn, ba);
+	}
+
+	public static byte[] loadFromFile(String fn) {
+		if (fn == null)
+			fn = "output.patn";
+		byte[] ba = FileReadWriter.readBytesFromFile(fn);
+		// byteSerializeImport(ba);
+		return ba;
+	}
+
+	public static byte[] byteSerializeExport() {
+		ByteArrayOutputStream baos = new ByteArrayOutputStream();
+		OutputStream gzipos = null;
+		PObjectOutputStream pobjos = null; // PNodeを保存するときはPObjectOutputStream
+
+		try {
+			gzipos = new GZIPOutputStream(baos);
+			pobjos = new PObjectOutputStream(gzipos);
+			// pobjos.writeObjectTree(penusers);
+
+			pobjos.writeInt(penusers.size());
+			Collection<PenUser> ite = PenUser.penusers.values();
+			for (PenUser pu : ite) {
+				pobjos.writeObjectTree(pu);
+			}
+			// pobjos.writeObject(penusers);
+			pobjos.close();
+			gzipos.close();
+		} catch (IOException iex) {
+			iex.printStackTrace(System.out);
+		}
+		System.out.println("save size: " + baos.size() + " bytes.");
+		return baos.toByteArray();
+	}
+
+	public static void byteSerializeImport(byte[] ba) {
+		ByteArrayInputStream bais = new ByteArrayInputStream(ba);
+		InputStream gzipis = null;
+		ObjectInputStream ois = null;
+		PNode pn = null;
+		try {
+			gzipis = new GZIPInputStream(bais);
+			ois = new ObjectInputStream(gzipis);
+
+			int numofpenuser = ois.readInt();
+			for (int i = 0; i < numofpenuser; i++) {
+				PenUser tmp = (PenUser) ois.readObject();
+				tmp.restore();
+			}
+			ois.close();
+			gzipis.close();
+			bais.close();
+		} catch (EOFException eofex) {
+			eofex.printStackTrace();
+		} catch (IOException excep) {
+			excep.printStackTrace(System.err);
+		} catch (ClassNotFoundException excnf) {
+			System.err.println("ClassNotFound Error");
+		} finally {
+		}
+	}
+
+	private void restore() {
+		System.out.println("restore penid " + penid);
+		System.out.println("count " + strokes.size());
+		penusers.put(penid, this);
+		PNode layer = Note.theapp.getCanvas().getLayer();
+		for (ShortStroke squiggle : strokes) {
+			squiggle.rebuildStroke();
+			layer.addChild(squiggle);
+		}
+		Note.theapp.repaint();
+
+	}
+
 	// オブジェクトごとのフィールド
 	String penid;
-	transient ArrayList<Stroke> stockstrks; // Java AWT/Swing Graphics用
+	ArrayList<Stroke> stockstrks; // Java AWT/Swing Graphics用
 	public ArrayList<ShortStroke> strokes; // Piccolo2D用
 	Stroke lastStroke = null;
 	ShortStroke squiggle = null; // for Note View
@@ -116,6 +210,7 @@
 					lastStroke = null;
 				}
 			} else {
+				squiggle.applyTempPtsToAry();
 				squiggle = null;
 			}
 		}