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Quellcodes/duc_bit_bmphexeditor/Bild.java

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+import java.awt.*;
+import java.awt.image.*;
+import java.awt.event.*;
+import javax.swing.*;
+import javax.imageio.*;
+import java.io.*;
+
+
+class Bild extends JComponent {
+  Datei file;
+  BMPHexEditor parent;
+  Image image;
+  int zoom=100;
+  int posx =2;
+  int posy =2;
+  
+
+  /*
+  class myKeyListener implements  KeyListener
+  {
+    public void keyPressed( KeyEvent k )
+    {
+      int iHeight = getSize().height;
+
+      if (k.getKeyCode()==8)  delete(-1);
+      if (k.getKeyCode()==127) delete(0);
+      if (k.getKeyCode()==37) movePos(-1);
+      if (k.getKeyCode()==39) movePos(1);
+      if (k.getKeyCode()==38) movePos(-proZeile);
+      if (k.getKeyCode()==40) movePos(proZeile);
+      if (k.getKeyCode()==33) movePos(-proZeile*(iHeight/hoehe));
+      if (k.getKeyCode()==34) movePos(proZeile*(iHeight/hoehe));
+
+    }
+    public void keyReleased(KeyEvent k){}
+
+    public void keyTyped(KeyEvent k){
+      // System.out.println(  "Typed:"+k.getKeyCode()+"|"+k.getKeyChar() );
+      switch(modus) {
+        case 1: {
+          if (k.getKeyChar()>='0' && k.getKeyChar()<='1') modifyByte(k.getKeyChar());
+          break;
+        }
+        case 2: {
+          if (k.getKeyChar()>='0' && k.getKeyChar()<='9') modifyByte(k.getKeyChar());
+          if (k.getKeyChar()>='a' && k.getKeyChar()<='f') modifyByte(k.getKeyChar());
+          if (k.getKeyChar()>='A' && k.getKeyChar()<='F') modifyByte(k.getKeyChar());
+          break;
+        }
+        default: {
+          if (k.getKeyCode()!= 127) modifyByte(k.getKeyChar());
+        }
+      }
+    }
+  }   */
+
+  class myMouseListener implements MouseListener
+  {
+    public void mouseClicked( MouseEvent e )
+    {
+
+    }
+    public void mouseExited(MouseEvent e) {
+    }
+    public void mouseEntered(MouseEvent e) {
+    }
+    public void mousePressed(MouseEvent e) {
+      setPos((e.getX()-10)*100/zoom+1,(e.getY()-10)*100/zoom+1 );
+      parent.posClicked(posx, posy);
+    }
+    public void mouseReleased(MouseEvent e) {
+    }
+
+
+  }
+
+  
+  public Bild(BMPHexEditor p){
+    super();
+    parent = p;
+    file = null;
+    image = null;
+//    addKeyListener(new myKeyListener());
+    addMouseListener(new myMouseListener());
+  }
+
+  public void paint(Graphics g){
+    int iWidth = getSize().width;
+    int iHeight = getSize().height;
+
+
+    if (file != null && image != null) {
+      g.drawImage(image,10,10, this);
+      g.drawRect(9,9,image.getWidth(this)+2,image.getHeight(this)+2);
+      if (posx >=0 && posy >= 0) {
+        g.setColor(Color.red);
+        g.fillRect((posx+1)*zoom/100+10,(posy-1)*zoom/100+10,4*zoom/100,zoom/100);
+        g.fillRect((posx-1)*zoom/100+10,(posy+1)*zoom/100+10,zoom/100,4*zoom/100);
+        g.fillRect((posx-6)*zoom/100+10,(posy-1)*zoom/100+10,4*zoom/100,zoom/100);
+        g.fillRect((posx-1)*zoom/100+10,(posy-6)*zoom/100+10,zoom/100,4*zoom/100);
+      }
+    }
+  }
+
+  public void setDatei(Datei file) {
+    this.file = file;
+    try {
+      image = ImageIO.read(new ByteArrayInputStream(file.getByteArray()));
+      image = image.getScaledInstance(image.getWidth(this)*zoom/100,image.getHeight(this)*zoom/100,Image.SCALE_DEFAULT);
+    } catch (Exception e) {
+        // TODO Auto-generated catch block
+       // System.out.println("Bild kann nicht geladen werden oder ist nicht korrekt");
+       image = null;
+    }
+
+  }
+
+  public void setZoom(int z) {
+    zoom = z;
+    setDatei(file);
+  }
+  
+  public void setPos(int x, int y) {
+    posx = x;
+    posy = y;
+    repaint();
+  }
+
+  public Dimension getPreferredSize()
+  {
+
+    if (file == null || image == null)
+    {
+      return new Dimension( 300, 200 );
+    }
+    else
+    {
+
+      return new Dimension( image.getWidth(this)+20,image.getHeight(this)+20);
+
+    }
+  }
+
+  public Dimension getMinimumSize()
+  {
+    return getPreferredSize();
+  }
+
+
+
+  public void keyPressed ( KeyEvent e){
+  }
+  public void keyReleased ( KeyEvent e ){
+  }
+
+  public boolean isFocusable() {
+    return true;
+  }
+
+}