Java by API/java.awt/GraphicsConfiguration

GraphicsConfiguration: createCompatibleImage(int width, int height, int transparency)

  
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.Transparency;
import java.awt.image.BufferedImage;
public class Main {
  public static void main(String[] argv) throws Exception {
    GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
    GraphicsDevice gs = ge.getDefaultScreenDevice();
    GraphicsConfiguration gc = gs.getDefaultConfiguration();
    // Create an image that does not support transparency
    BufferedImage bimage = gc.createCompatibleImage(100, 100, Transparency.OPAQUE);
  }
}

GraphicsConfiguration: getBounds()

 
import java.awt.Dimension;
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.Point;
import java.awt.Rectangle;
public class MainClass {
  public static void main(String[] args) {
    GraphicsEnvironment ge;
    ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
    Rectangle vBounds = new Rectangle();
    GraphicsDevice[] gdArray = ge.getScreenDevices();
    for (int i = 0; i < gdArray.length; i++) {
      GraphicsDevice gd = gdArray[i];
      GraphicsConfiguration[] gcArray = gd.getConfigurations();
      for (int j = 0; j < gcArray.length; j++)
        vBounds = vBounds.union(gcArray[j].getBounds());
    }
    Point origin = vBounds.getLocation();
    System.out.println("Virtual x = " + origin.x);
    System.out.println("Virtual y = " + origin.y);
    Dimension size = vBounds.getSize();
    System.out.println("Virtual width = " + size.width);
    System.out.println("Virtual height = " + size.height);
  }
}

GraphicsConfiguration: getColorModel()

 
/*
  Default screen device: \Display0
  Configuration 1
  DirectColorModel: rmask=ff0000 gmask=ff00 bmask=ff amask=0
  Configuration 2
  DirectColorModel: rmask=ff0000 gmask=ff00 bmask=ff amask=0
  Configuration 3
  DirectColorModel: rmask=ff0000 gmask=ff00 bmask=ff amask=0
  Configuration 4
  DirectColorModel: rmask=ff0000 gmask=ff00 bmask=ff amask=0
  Configuration 5
  DirectColorModel: rmask=ff0000 gmask=ff00 bmask=ff amask=0
  Configuration 6
  DirectColorModel: rmask=ff0000 gmask=ff00 bmask=ff amask=0*/
import java.awt.GraphicsConfiguration;
import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
public class MainClass {
  public static void main(String[] args) {
    GraphicsEnvironment ge = GraphicsEnvironment.getLocalGraphicsEnvironment();
    GraphicsDevice defaultScreen = ge.getDefaultScreenDevice();
    GraphicsConfiguration[] configurations = defaultScreen.getConfigurations();
    System.out.println("Default screen device: " + defaultScreen.getIDstring());
    for (int i = 0; i < configurations.length; i++) {
      System.out.println("  Configuration " + (i + 1));
      System.out.println("  " + configurations[i].getColorModel());
    }
  }
}