Source Code : Verifies if the given point is visible on the screen.

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Verifies if the given point is visible on the screen.

  
//package com.javadocking.util;

import java.awt.GraphicsDevice;
import java.awt.GraphicsEnvironment;
import java.awt.Point;
import java.awt.Rectangle;


/**
 * This class contains a collection of static utility methods for Swing.
 * 
 * @author Heidi Rakels.
 */
public class SwingUtil
{
    /**
     * Verifies if the given point is visible on the screen.
     * 
     * @param   location     The given location on the screen.
     * @return           True if the location is on the screen, false otherwise.
     */
    public static boolean isLocationInScreenBounds(Point location) 
    {
      
      // Check if the location is in the bounds of one of the graphics devices.
    GraphicsEnvironment graphicsEnvironment = GraphicsEnvironment.getLocalGraphicsEnvironment();
    GraphicsDevice[] graphicsDevices = graphicsEnvironment.getScreenDevices();
    Rectangle graphicsConfigurationBounds = new Rectangle();
    
    // Iterate over the graphics devices.
    for (int j = 0; j < graphicsDevices.length; j++) {
      
      // Get the bounds of the device.
      GraphicsDevice graphicsDevice = graphicsDevices[j];
      graphicsConfigurationBounds.setRect(graphicsDevice.getDefaultConfiguration().getBounds());
      
        // Is the location in this bounds?
      graphicsConfigurationBounds.setRect(graphicsConfigurationBounds.x, graphicsConfigurationBounds.y,
          graphicsConfigurationBounds.width, graphicsConfigurationBounds.height);
      if (graphicsConfigurationBounds.contains(location.x, location.y)) {
        
        // The location is in this screengraphics.
        return true;
        
      }
      
    }
    
    // We could not find a device that contains the given point.
    return false;
    
    }
}

   
    
  

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