Programmieren in Java - HostFiXX.de

Programmieren in Java
/*
bild = Toolkit.getDefaultToolkit().getImage(
"d:\\jdk1.3.1\\pgj\\progr\\pr42400\\B01000800.jpg");
*/
bild = new ImageIcon("B01000800.jpg").getImage();
if (bild == null) System.out.println("Kein Bild");
breite = bild.getWidth(this);
System.out.println(breite);
hoehe = bild.getHeight(this);
pixels = new int [breite * hoehe];
PixelGrabber grabber = new PixelGrabber(bild,0,0,breite,hoehe,
pixels,0,breite);
try {
grabber.grabPixels();
}
catch(InterruptedException e)
{
System.err.println("Fehler beim Holen der Pixel");
}
setSize(breite,hoehe);
repaint();
addMouseListener(new MouseAdapter()
{
public void mouseClicked(MouseEvent m)
{
int pixel = pixels[breite * m.getY() + m.getX()];
int alpha = (pixel >> 24) & 0xff;
int rot = (pixel >> 16) & 0xff;
int gruen = (pixel >> 8) & 0xff;
int blau = (pixel) & 0xff;
System.out.println("R=" +rot+ " G=" +gruen+ "B=" +blau);
}
});
}
public void paint(Graphics g)
{
if (bild != null)
g.drawImage(bild,0,0,this);
}
public static void main(String args[])
{
Frame f = new PR42400();
f.show();
}
}
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