test/jdk/java/awt/dnd/ImageDecoratedDnDNegative/ImageGenerator.java

/*
 * Copyright (c) 2009, 2013, Oracle and/or its affiliates. All rights reserved.
 * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
 *
 * This code is free software; you can redistribute it and/or modify it
 * under the terms of the GNU General Public License version 2 only, as
 * published by the Free Software Foundation.
 *
 * This code 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 General Public License
 * version 2 for more details (a copy is included in the LICENSE file that
 * accompanied this code).
 *
 * You should have received a copy of the GNU General Public License version
 * 2 along with this work; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
 * or visit www.oracle.com if you need additional information or have any
 * questions.
 */

/*
 * Image generator for cursor and drag
 */
import java.awt.Color;
import java.awt.Graphics;
import java.awt.Image;
import java.awt.image.BufferedImage;

public abstract class ImageGenerator
{
    public int width;
    public int height;
    private final BufferedImage bi;
    public ImageGenerator(int _width, int _height, Color bgColor)
    {
          width = _width;
          height = _height;
          bi = new BufferedImage(
              width,
              height,
              BufferedImage.TYPE_INT_ARGB);
          Graphics gr = bi.getGraphics();
          if(null==bgColor){
              bgColor = Color.WHITE;
          }
          gr.setColor(bgColor);
          gr.fillRect(0, 0, width, height);
          paint(gr);
          gr.dispose();
    }
    public Image getImage() { return bi; }

    public abstract void paint(Graphics gr);
}