How to display an image in a window ?

Hi all,
Could someone point me to a document that explains (preferably with code samples) how I go about displaying a JPEG image in a window.
What I'm eventually trying to create is a slideshow, but for now, I just want to add an image to a JFrame and have that display, and even this simple first step is beyond me. There seem to be quite a few different classes to deal with images, but I'm just looking for the simplest one.
With a view to my future requirements, I will want to be able to dynamically shrink an image so that it fits in the window, as well as cropping images so that the full resolution is displayed, but anything that doesn't fit in the window is chopped off.

hi,
how to place an image in the cells of a grid and to drag and drop that image. i have the code to locate the postion of each cell on mouse click. now i want to place an image in particular cell and i want to drag and drop that particular image to other cells of grid.
is it possible.
pls give me a suggestion.
here my code:
import java.awt.*;
import java.awt.event.*;
import java.awt.geom.*;
import javax.swing.*;
public class Grid
public Grid()
GridPanel gridPanel = new GridPanel();
CellSelector cellSelector = new CellSelector(gridPanel);
gridPanel.addMouseListener(cellSelector);
JFrame f = new JFrame();
//ImageIcon ii= create ImageIcon("C:/Documents and Settings/sreehari.m/Desktop/new/java //pgm/new");
//cellSelector.addImageIcon();
f.setDefaultCloseOperation(JFrame.EXIT_ON_CLOSE);
f.getContentPane().add(gridPanel);
f.setSize(400,400);
f.setLocation(200,200);
f.setVisible(true);
public static void main(String[] args)
new Grid();
class GridPanel extends JPanel
double xInc, yInc;
final int
GRID_SIZE = 4,
DRAW = 0,
FILL = 1,
PAD = 20;
int[][] cells;
public GridPanel()
initCells();
protected void paintComponent(Graphics g)
super.paintComponent(g);
Graphics2D g2 = (Graphics2D)g;
g2.setRenderingHint(RenderingHints.KEY_ANTIALIASING,
RenderingHints.VALUE_ANTIALIAS_ON);
double w = getWidth();
double h = getHeight();
xInc = (w - 2*PAD)/GRID_SIZE;
yInc = (h - 2*PAD)/GRID_SIZE;
// row lines
double x1 = PAD, y1 = PAD, x2 = w - PAD, y2 = h - PAD;
for(int j = 0; j <= GRID_SIZE; j++)
g2.draw(new Line2D.Double(x1, y1, x2, y1));
y1 += yInc;
// col lines
y1 = PAD;
for(int j = 0; j <= GRID_SIZE; j++)
g2.draw(new Line2D.Double(x1, y1, x1, y2));
x1 += xInc;
// fill cells
g2.setPaint(Color.red);
for(int row = 0; row < cells.length; row++)
for(int col = 0; col < cells[0].length; col++)
if(cells[row][col] == FILL)
x1 = PAD + col * xInc + 1;
y1 = PAD + row * yInc + 1;
g2.drawString("("+row+","+col+")" , (int) x1+50, (int)y1+50);
//g2.drawString("("+Grid("+row+","+col+")+")" , (int) x1+50, (int)y1+50);
// g2.drawString("("")" , (int) x1+50, (int)y1+50);
// g2.fill(new Rectangle2D.Double(x1, y1, xInc - 1, yInc - 1));
public void toggleCellColor(int row, int col)
int mode = DRAW;
if(cells[row][col] == DRAW)
mode = FILL;
cells[row][col] = mode;
repaint();
private void initCells()
cells = new int[GRID_SIZE][GRID_SIZE];
for(int row = 0; row < cells.length; row++)
for(int col = 0; col < cells[0].length; col++)
cells[row][col] = DRAW;
class CellSelector extends MouseAdapter
GridPanel gridPanel;
public CellSelector(GridPanel gp)
gridPanel = gp;
public void mousePressed(MouseEvent e)
Point p = e.getPoint();
int col = 0, row = 0;
double x = gridPanel.PAD + gridPanel.xInc;
// find column
for(int j = 0; j < gridPanel.GRID_SIZE; j++)
if(p.x < x)
col = j;
break;
x += gridPanel.xInc;
// find row
double y = gridPanel.PAD + gridPanel.yInc;
for(int j = 0; j < gridPanel.GRID_SIZE; j++)
if(p.y < y)
row = j;
break;
y += gridPanel.yInc;
gridPanel.toggleCellColor(row, col);
}

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    >
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    Edit 1:
    BTW - Welcome to the Sun forums
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