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import java.awt.*; import java.awt.event.*; import java.awt.image.*; import javax.swing.*; public class GetPixel { public PixelMadness() { ImageHolder holder = new ImageHolder(); JFrame frame = new JFrame(); JPanel panel = new JPanel(); panel.add(holder); frame.getContentPane().add(panel); frame.setSize(400,400); frame.setVisible(true); } public static void main(String[] args) { GetPixel getpixel = new GetPixel(); } } class ImageHolder extends Canvas { ImageIcon icon = new ImageIcon( "zx2.jpg "); Image image = icon.getImage(); int imageWidth = image.getWidth(this); int imageHeight = image.getHeight(this); int[] pixelArray = new int[imageWidth * imageHeight]; PixelGrabber grabber = new PixelGrabber(image,0,0,imageWidth,imageHeight,pixelArray,0,imageWidth); public ImageHolder() { try { grabber.grabPixels(); } catch(InterruptedException ie){ System.out.println( "Pixel array not completed "); return; } addMouseListener(new MouseAdapter(){ public void mouseClicked(MouseEvent me){ int mouseX = (int)me.getPoint().getX(); int mouseY =(int) me.getPoint().getY(); int pixel = pixelArray[(mouseY * imageWidth) + mouseX]; getPixel(pixel); } }); setSize(imageWidth,imageHeight); } public void paint(Graphics g){ int xCenter = (getSize().width / 2) - (imageWidth / 2); int yCenter = (getSize().height / 2) - (imageHeight / 2); g.drawImage(image, xCenter, yCenter, imageWidth, imageHeight, this); } public void getPixel(int pixel){ int alpha = (pixel > > 24)&0xff; int red = (pixel > > 16)&0xff; int green = (pixel > > 8)&0xff; int blue = (pixel)&0xff; System.out.println( "( "+alpha+ ", "+red+ ", "+green+ ", "+blue+ ") "); } } import java.awt.*; import java.awt.event.*; import java.awt.image.*; import javax.swing.*; public class GetRectPixel { public GetRectPixel() { ImageHolder holder = new ImageHolder(); JFrame frame = new JFrame(); JPanel panel = new JPanel(); panel.add(holder); frame.getContentPane().add(panel); frame.setSize(400,400); frame.setVisible(true); } public static void main(String[] args) { GetPixel getpixel = new GetPixel(); } } class ImageHolder extends Canvas{ BufferedImage bi ; Image image; MediaTracker mt ; int imageWidth; int imageHeight; public ImageHolder() { mt =new MediaTracker(this); try{ image = Toolkit.getDefaultToolkit().createImage( "gigi3.jpg "); mt.addImage(image,0); mt.waitForAll(); imageWidth = image.getWidth(this); imageHeight = image.getHeight(this); } catch(Exception e){} bi = new BufferedImage(imageWidth,imageHeight,BufferedImage.TYPE_INT_RGB); addMouseListener(new MouseAdapter(){ public void mouseClicked(MouseEvent me){ int mouseX = (int)me.getPoint().getX(); int mouseY =(int) me.getPoint().getY(); getPixel(mouseX,mouseY); } }); setSize(imageWidth,imageHeight); } public void paint(Graphics g){ int xCenter = (getSize().width / 2) - (imageWidth / 2); int yCenter = (getSize().height / 2) - (imageHeight / 2); g.drawImage(image, xCenter, yCenter, imageWidth, imageHeight, this); } public void getPixel(int x,int y){ ColorModel cm = this.getColorModel(); int rgb = cm.getRGB(x*y); int red = (rgb> > 24)&0xff ; int green = (rgb> > 16)&0xff ; int blue = (rgb> > 8)&0xff ; System.out.println( "( "+red+ ", "+green+ ", "+blue+ ") "); } }

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