diff -r 90b924d89579 -r b166c6f49719 java/ObrazkovyApplet/src/cz/frantovo/obrazkovyApplet/ObrazkovyApplet.java
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/java/ObrazkovyApplet/src/cz/frantovo/obrazkovyApplet/ObrazkovyApplet.java	Mon Mar 14 21:54:03 2011 +0100
@@ -0,0 +1,216 @@
+package cz.frantovo.obrazkovyApplet;
+
+import java.awt.Color;
+import java.awt.Graphics;
+import java.awt.Graphics2D;
+import java.awt.event.MouseEvent;
+import java.awt.event.MouseListener;
+import java.awt.event.MouseMotionListener;
+import java.awt.image.BufferedImage;
+import java.io.BufferedReader;
+import java.io.InputStreamReader;
+import java.io.OutputStream;
+import java.net.URL;
+import java.net.URLConnection;
+import java.util.logging.Level;
+import java.util.logging.Logger;
+import javax.imageio.ImageIO;
+import javax.swing.UIManager;
+import javax.swing.UIManager.LookAndFeelInfo;
+
+public class ObrazkovyApplet extends javax.swing.JApplet implements MouseMotionListener, MouseListener {
+
+	private static final Logger log = Logger.getLogger(ObrazkovyApplet.class.getSimpleName());
+	private static final String CILOVE_URL = "http://vm.frantovo.cz/temp/applet/";
+	private int stareX;
+	private int stareY;
+	private boolean kresli;
+	private Graphics g;
+	private Graphics2D vystupniGrafika;
+	private BufferedImage obrazek;
+
+	private void odesliData() {
+		try {
+			URL url = new URL(CILOVE_URL);
+			URLConnection spojeni = url.openConnection();
+			spojeni.setDoOutput(true);
+			spojeni.connect();
+			OutputStream os = spojeni.getOutputStream();
+			ImageIO.write(obrazek, "png", os);
+			os.flush();
+			os.close();
+
+			BufferedReader r = new BufferedReader(new InputStreamReader(spojeni.getInputStream()));
+			vypisStav(r.readLine());
+			r.close();
+
+			smazGrafiku();
+		} catch (Exception e) {
+			vypisStav("odeslání selhalo: " + e.getMessage());
+			log.log(Level.SEVERE, "Nepodařilo se odeslat data", e);
+		}
+	}
+
+	private void smazGrafiku() {
+		getVystupniGrafika().clearRect(0, 0, platno.getWidth(), platno.getHeight());
+		g.clearRect(0, 0, platno.getWidth(), platno.getHeight());
+	}
+
+	public void mouseDragged(MouseEvent e) {
+		int x = e.getX();
+		int y = e.getY();
+
+		if (kresli) {
+			vypisStav("kreslím: " + stareX + "x" + stareY + "→" + x + "x" + y);
+			g = platno.getGraphics();
+			g.setColor(Color.BLUE);
+			g.drawLine(stareX, stareY, x, y);
+
+			platno.pa
+
+			
+			getVystupniGrafika().drawLine(stareX, stareY, x, y);
+		}
+
+		stareX = x;
+		stareY = y;
+	}
+
+	public void mousePressed(MouseEvent e) {
+		stareX = e.getX();
+		stareY = e.getY();
+		kresli = true;
+	}
+
+	public void mouseReleased(MouseEvent e) {
+		kresli = false;
+	}
+
+	public void mouseMoved(MouseEvent e) {
+	}
+
+	public void mouseClicked(MouseEvent e) {
+	}
+
+	public void mouseEntered(MouseEvent e) {
+	}
+
+	public void mouseExited(MouseEvent e) {
+		kresli = false;
+	}
+
+	private Graphics2D getVystupniGrafika() {
+		if (obrazek == null) {
+			obrazek = new BufferedImage(platno.getWidth(), platno.getHeight(), BufferedImage.TYPE_INT_RGB);
+		}
+		if (vystupniGrafika == null) {
+			vystupniGrafika = obrazek.createGraphics();
+			vystupniGrafika.setBackground(Color.WHITE);
+			vystupniGrafika.setColor(Color.BLUE);
+			vystupniGrafika.clearRect(0, 0, platno.getWidth(), platno.getHeight());
+		}
+		return vystupniGrafika;
+	}
+
+	@Override
+	public void init() {
+
+		/** Lepší vzhled – LaF */
+		try {
+			for (LookAndFeelInfo info : UIManager.getInstalledLookAndFeels()) {
+				if ("Nimbus".equals(info.getName())) {
+					UIManager.setLookAndFeel(info.getClassName());
+					break;
+				}
+			}
+		} catch (Exception e) {
+		}
+
+		/** Spuštění appletu */
+		try {
+			java.awt.EventQueue.invokeAndWait(new Runnable() {
+
+				public void run() {
+					initComponents();
+				}
+			});
+		} catch (Exception e) {
+			log.log(Level.SEVERE, "Chyba appletu:", e);
+		}
+
+		/** Nastavení plátna */
+		platno.addMouseMotionListener(ObrazkovyApplet.this);
+		platno.addMouseListener(ObrazkovyApplet.this);
+		log.log(Level.INFO, "plátno nastaveno");
+	}
+
+	@SuppressWarnings("unchecked")
+    // <editor-fold defaultstate="collapsed" desc="Generated Code">//GEN-BEGIN:initComponents
+    private void initComponents() {
+
+        odeslat = new javax.swing.JButton();
+        stavovyRadek = new javax.swing.JLabel();
+        platno = new javax.swing.JPanel();
+
+        odeslat.setText("Odeslat na server");
+        odeslat.addActionListener(new java.awt.event.ActionListener() {
+            public void actionPerformed(java.awt.event.ActionEvent evt) {
+                odeslatActionPerformed(evt);
+            }
+        });
+
+        stavovyRadek.setText(" ");
+
+        platno.setDoubleBuffered(true);
+
+        javax.swing.GroupLayout platnoLayout = new javax.swing.GroupLayout(platno);
+        platno.setLayout(platnoLayout);
+        platnoLayout.setHorizontalGroup(
+            platnoLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
+            .addGap(0, 388, Short.MAX_VALUE)
+        );
+        platnoLayout.setVerticalGroup(
+            platnoLayout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
+            .addGap(0, 255, Short.MAX_VALUE)
+        );
+
+        javax.swing.GroupLayout layout = new javax.swing.GroupLayout(getContentPane());
+        getContentPane().setLayout(layout);
+        layout.setHorizontalGroup(
+            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
+            .addGroup(layout.createSequentialGroup()
+                .addContainerGap()
+                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
+                    .addComponent(platno, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
+                    .addGroup(layout.createSequentialGroup()
+                        .addComponent(stavovyRadek, javax.swing.GroupLayout.DEFAULT_SIZE, 243, Short.MAX_VALUE)
+                        .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
+                        .addComponent(odeslat)))
+                .addContainerGap())
+        );
+        layout.setVerticalGroup(
+            layout.createParallelGroup(javax.swing.GroupLayout.Alignment.LEADING)
+            .addGroup(javax.swing.GroupLayout.Alignment.TRAILING, layout.createSequentialGroup()
+                .addContainerGap()
+                .addComponent(platno, javax.swing.GroupLayout.DEFAULT_SIZE, javax.swing.GroupLayout.DEFAULT_SIZE, Short.MAX_VALUE)
+                .addPreferredGap(javax.swing.LayoutStyle.ComponentPlacement.RELATED)
+                .addGroup(layout.createParallelGroup(javax.swing.GroupLayout.Alignment.BASELINE)
+                    .addComponent(odeslat)
+                    .addComponent(stavovyRadek))
+                .addContainerGap())
+        );
+    }// </editor-fold>//GEN-END:initComponents
+
+	private void odeslatActionPerformed(java.awt.event.ActionEvent evt) {//GEN-FIRST:event_odeslatActionPerformed
+		odesliData();
+	}//GEN-LAST:event_odeslatActionPerformed
+
+	private void vypisStav(String text) {
+		stavovyRadek.setText(text);
+	}
+    // Variables declaration - do not modify//GEN-BEGIN:variables
+    private javax.swing.JButton odeslat;
+    private javax.swing.JPanel platno;
+    private javax.swing.JLabel stavovyRadek;
+    // End of variables declaration//GEN-END:variables
+}