Name: jk109818			Date: 08/11/2003


FULL PRODUCT VERSION :
java version "1.4.1_01"
Java(TM) 2 Runtime Environment, Standard Edition (build 1.4.1_01-b01)
Java HotSpot(TM) Client VM (build 1.4.1_01-b01, mixed mode)

FULL OPERATING SYSTEM VERSION :
Microsoft Windows 2000 [Version 5.00.2195]
Service pack 3

A DESCRIPTION OF THE PROBLEM :
Gray image incorrectly shift to bright side. Create haze
effect on the image. In my computer the reading is

image value     screen value
0                0
1                13
2                22
3                28
4                34
5                38
......................
253              254
254              255
255              255


STEPS TO FOLLOW TO REPRODUCE THE PROBLEM :
1.compile my test code
2. move mouse cursor on the image
3. read screen value and image value

EXPECTED VERSUS ACTUAL BEHAVIOR :
Gray image incorrectly shift to bright side. Create haze
effect on the image. In my computer the reading is

image value     screen value
0                0
1                13
2                22
3                28
4                34
5                38
......................
253              254
254              255
255              255


ERROR MESSAGES/STACK TRACES THAT OCCUR :
no error message

REPRODUCIBILITY :
This bug can be reproduced always.

---------- BEGIN SOURCE ----------
import javax.swing.*;
import java.awt.*;
import java.awt.geom.*;
import java.awt.image.*;
import java.awt.event.*;
import java.awt.color.*;


public class MainFrame_1 extends JFrame {
    public MainFrame_1() {
        setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
        JPanel panel = new JPanel();
        ImageComponent1 imageComponent = new ImageComponent1(this);
        panel.add(imageComponent);
        setContentPane(panel);
        pack();
        setVisible(true);
    }

    public static void main(String[] args) {
        new MainFrame_1();
    }
}

class ImageComponent1 extends JComponent  implements MouseMotionListener {
    BufferedImage image;
    JFrame frame;
    Robot robot;
//    RandomIter iter;
    public ImageComponent1(JFrame frame) {
        this.frame = frame;
        setPreferredSize(new Dimension(300,30));
        addMouseMotionListener(this);
        try {
            int[] bandoff = {0} ;
            int width = 256;
            int height = 10;
            SampleModel sampleModel = new ComponentSampleModel
(DataBuffer.TYPE_BYTE, width, height, 1, width, bandoff);
            WritableRaster wr = Raster.createWritableRaster(sampleModel, null);
            DataBufferByte db = (DataBufferByte)wr.getDataBuffer();
            byte[] data = db.getData();
            for ( int h = 0; h < height; h++ )
                for ( int w = 0; w < width; w++)
                    data[h*width + w] = (byte)(w & 0xff);
            int[] bits = {8};
            ColorModel colorModel = new ComponentColorModel
(ColorSpace.getInstance(ColorSpace.CS_GRAY), bits, false, false, 1,
DataBuffer.TYPE_BYTE);
            image = new BufferedImage(colorModel, wr, false, null);
            robot = new Robot();
//            iter = RandomIterFactory.create(image, null);
        }
        catch(Exception ex) {
            System.out.println(ex);
        }

    }
    public void paintComponent(Graphics g) {
        if ( image == null ) {
            return;
        }
        Graphics2D g2D = (Graphics2D)g;
        g2D.drawRenderedImage(image, new AffineTransform());
    }

    public void mouseDragged(java.awt.event.MouseEvent mouseEvent) {
    }

    public void mouseMoved(java.awt.event.MouseEvent mouseEvent) {
        Point screenLocation = getLocationOnScreen();
        Point p = mouseEvent.getPoint();
        Color c = robot.getPixelColor(screenLocation.x + p.x,
screenLocation.y+p.y);
        if ( p.x < 256 && p.y < 10 )
            frame.setTitle("x="+p.x+" y="+p.y+" screen="+c.getRed()+"
image="+p.x);
        else
            frame.setTitle("x="+p.x+" y="+p.y+" screen="+c.getRed());
    }

}

---------- END SOURCE ----------

CUSTOMER WORKAROUND :
new BufferedImage(int width, int height, int imageType)
works fine
(Incident Review ID: 179397) 
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