Java tutorial
//package com.java2s; /* * Copyright (c) 2014 tabletoptool.com team. * All rights reserved. This program and the accompanying materials * are made available under the terms of the GNU Public License v3.0 * which accompanies this distribution, and is available at * http://www.gnu.org/licenses/gpl.html * * Contributors: * rptools.com team - initial implementation * tabletoptool.com team - further development */ import java.awt.Color; import java.awt.Component; import java.awt.Dimension; import java.awt.FontMetrics; import java.awt.Graphics2D; import java.awt.Transparency; import java.awt.image.BufferedImage; import javax.swing.SwingUtilities; public class Main { public static BufferedImage takeScreenShot(Component component, String... watermarks) { Dimension size = component.getSize(); BufferedImage screenshot = new BufferedImage(size.width, size.height, Transparency.OPAQUE); Graphics2D g = screenshot.createGraphics(); g.setClip(0, 0, size.width - 1, size.height - 1); component.update(g); FontMetrics fm = g.getFontMetrics(); int y = fm.getDescent(); for (String watermark : watermarks) if (watermark != null) { int x = size.width - SwingUtilities.computeStringWidth(fm, watermark); g.setColor(Color.black); g.drawString(watermark, x, y); g.setColor(Color.white); g.drawString(watermark, x - 1, y - 1); y -= fm.getHeight(); } g.dispose(); return screenshot; } }