Create BufferredImage with colors based on integer array : BufferedImage « 2D Graphics « Java Tutorial

import java.awt.Graphics;
import java.awt.image.BufferedImage;

import javax.swing.JComponent;
import javax.swing.JFrame;

public class ColorPan extends JComponent {
  public void paint(Graphics g) {
    int width = getSize().width;
    int height = getSize().height;
    int[] data = new int[width * height];
    int i = 0;
    for (int y = 0; y < height; y++) {
      int red = (y * 255) / (height - 1);
      for (int x = 0; x < width; x++) {
        int green = (x * 255) / (width - 1);
        int blue = 128;
        data[i++] = (red << 16) | (green << 8) | blue;
    BufferedImage image = new BufferedImage(width, height, BufferedImage.TYPE_INT_RGB);
    image.setRGB(0, 0, width, height, data, 0, width);
    g.drawImage(image, 0, 0, this);

  public static void main(String[] args) {
    JFrame frame = new JFrame("ColorPan");
    frame.getContentPane().add(new ColorPan());
    frame.setSize(300, 300);

16.27.1.Create BufferredImage with colors based on integer array
16.27.2.Creating a BufferedImage from an Image object
16.27.3.A buffered image is a type of image whose pixels can be modified.
16.27.5.TYPE_INT_RGB and TYPE_INT_ARGB are typically used
16.27.6.Create buffered image that does not support transparency
16.27.7.Create a buffered image that supports transparency
16.27.8.Create an image that does not support transparency
16.27.9.Create an image that supports transparent pixels
16.27.10.Create an image that supports arbitrary levels of transparency
16.27.11.Creating a buffered image using Component.createImage().
16.27.12.Creating a Buffered Image from an Image
16.27.13.Drawing on a Buffered Image
16.27.14.If the buffered image supports transparency
16.27.15.Converting a Buffered Image (BufferedImage) from an Image
16.27.16.Getting and Setting Pixels in a Buffered Image
16.27.17.Scaling a Buffered Image
16.27.18.Shearing a Buffered Image
16.27.19.Translating a Buffered Image
16.27.20.Rotating a Buffered Image
16.27.21.Flipping a Buffered Image
16.27.22.Flip the image horizontally
16.27.23.Flip the image vertically and horizontally, equivalent to rotating the image 180 degrees
16.27.24.Converting a Colored Buffered Image to Gray
16.27.25.Creating a Image Zoomer using Graphics2D
16.27.26.Create Gradient Image
16.27.27.Create Gradient Mask
16.27.28.Create Headless BufferedImage
16.27.29.Create Translucent Image
16.27.30.If the image has transparent pixels
16.27.31.Produces a copy of the supplied image
16.27.32.Produces a resized image that is of the given dimensions
16.27.33.Creates and returns a buffered version of the specified image.