Source Code : Checking for Color Models

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Checking for Color Models

   
import java.awt.Frame;
import java.awt.Graphics;
import java.awt.Graphics2D;
import java.awt.GraphicsConfiguration;
import java.awt.image.BufferedImage;
import java.awt.image.ColorModel;
import java.awt.image.DirectColorModel;
import java.awt.image.IndexColorModel;

import javax.swing.JFrame;

public class GraphicsInfo extends JFrame {

  private void printModelType(ColorModel cm) {
    if (cm instanceof DirectColorModel) {
      System.out.println("DirectColorModel");
    } else if (cm instanceof IndexColorModel) {
      System.out.println("IndexColorModel");
    } else {
      System.out.println("Unknown ColorModel");
    }
  }

  public void paint(Graphics g) {
    Graphics2D g2d = (Graphics2D) g;
    GraphicsConfiguration gc = g2d.getDeviceConfiguration();
    printModelType(gc.getColorModel());
    BufferedImage bi = new BufferedImage(20, 20,
        BufferedImage.TYPE_BYTE_INDEXED);
    Graphics2D g2d2 = bi.createGraphics();
    GraphicsConfiguration gc2 = g2d2.getDeviceConfiguration();
    printModelType(gc2.getColorModel());
    bi = new BufferedImage(20, 20, BufferedImage.TYPE_INT_ARGB);
    g2d2 = bi.createGraphics();
    gc2 = g2d2.getDeviceConfiguration();
    printModelType(gc2.getColorModel());
    bi = new BufferedImage(20, 20, BufferedImage.TYPE_USHORT_565_RGB);
    g2d2 = bi.createGraphics();
    gc2 = g2d2.getDeviceConfiguration();
    printModelType(gc2.getColorModel());
  }

  public static void main(String args[]) {
    Frame f = new GraphicsInfo();
    f.setTitle("GraphicsInfo");
    f.setSize(300, 250);
    f.show();
  }
}


           
         
    
    
  

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