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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