org.graphstream.stream.file.images.filters.AddLogoFilter Maven / Gradle / Ivy

/*
 * This file is part of GraphStream .
 *
 * GraphStream is a library whose purpose is to handle static or dynamic
 * graph, create them from scratch, file or any source and display them.
 *
 * This program is free software distributed under the terms of two licenses, the
 * CeCILL-C license that fits European law, and the GNU Lesser General Public
 * License. You can  use, modify and/ or redistribute the software under the terms
 * of the CeCILL-C license as circulated by CEA, CNRS and INRIA at the following
 * URL  or under the terms of the GNU LGPL as published by
 * the Free Software Foundation, either version 3 of the License, or (at your
 * option) any later version.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY
 * WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A
 * PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public License
 * along with this program.  If not, see .
 *
 * The fact that you are presently reading this means that you have had
 * knowledge of the CeCILL-C and LGPL licenses and that you accept their terms.
 */
package org.graphstream.stream.file.images.filters;

import org.graphstream.stream.file.images.Filter;

import javax.imageio.ImageIO;
import java.awt.*;
import java.awt.image.BufferedImage;
import java.io.File;
import java.io.IOException;

/**
 * This filter adds a logo-picture on each outputted image.
 */
public class AddLogoFilter implements Filter {
	/**
	 * The logo.
	 */
	private BufferedImage logo;
	/**
	 * Logo position on images.
	 */
	private int x, y;

	/**
	 * Create a new filter to add a logo on top of images.
	 *
	 * @param logoFile path to the logo picture-file
	 * @param x        x position of the logo (top-left corner is (0;0))
	 * @param y        y position of the logo
	 */
	public AddLogoFilter(String logoFile, int x, int y) throws IOException {
		File f = new File(logoFile);

		if (f.exists())
			this.logo = ImageIO.read(f);
		else
			this.logo = ImageIO.read(ClassLoader.getSystemResource(logoFile));

		this.x = x;
		this.y = y;
	}

	public void apply(BufferedImage image) {
		Graphics2D g = image.createGraphics();
		g.drawImage(logo, x, y, null);
	}
}