1 /*
   2  * Copyright (c) 2009, Oracle and/or its affiliates. All rights reserved.
   3  * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER.
   4  *
   5  * This code is free software; you can redistribute it and/or modify it
   6  * under the terms of the GNU General Public License version 2 only, as
   7  * published by the Free Software Foundation.
   8  *
   9  * This code is distributed in the hope that it will be useful, but WITHOUT
  10  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  11  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  12  * version 2 for more details (a copy is included in the LICENSE file that
  13  * accompanied this code).
  14  *
  15  * You should have received a copy of the GNU General Public License version
  16  * 2 along with this work; if not, write to the Free Software Foundation,
  17  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  18  *
  19  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  20  * or visit www.oracle.com if you need additional information or have any
  21  * questions.
  22  */
  23 
  24 /*
  25  * Image generator for cursor and drag
  26  */
  27 import java.awt.Color;
  28 import java.awt.Graphics;
  29 import java.awt.Image;
  30 import java.awt.image.BufferedImage;
  31 
  32 public abstract class ImageGenerator
  33 {
  34     public int width;
  35     public int height;
  36     private final BufferedImage bi;
  37     public ImageGenerator(int _width, int _height, Color bgColor)
  38     {
  39           width = _width;
  40           height = _height;
  41           bi = new BufferedImage(
  42               width,
  43               height,
  44               BufferedImage.TYPE_INT_ARGB);
  45           Graphics gr = bi.getGraphics();
  46           if(null==bgColor){
  47               bgColor = Color.WHITE;
  48           }
  49           gr.setColor(bgColor);
  50           gr.fillRect(0, 0, width, height);
  51           paint(gr);
  52           gr.dispose();
  53     }
  54     public Image getImage() { return bi; }
  55 
  56     public abstract void paint(Graphics gr);
  57 }