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.  Oracle designates this
   8  * particular file as subject to the "Classpath" exception as provided
   9  * by Oracle in the LICENSE file that accompanied this code.
  10  *
  11  * This code is distributed in the hope that it will be useful, but WITHOUT
  12  * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
  13  * FITNESS FOR A PARTICULAR PURPOSE.  See the GNU General Public License
  14  * version 2 for more details (a copy is included in the LICENSE file that
  15  * accompanied this code).
  16  *
  17  * You should have received a copy of the GNU General Public License version
  18  * 2 along with this work; if not, write to the Free Software Foundation,
  19  * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
  20  *
  21  * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA
  22  * or visit www.oracle.com if you need additional information or have any
  23  * questions.
  24  */
  25 
  26 /*
  27  * Image generator for cursor and drag
  28  */
  29 import java.awt.Color;
  30 import java.awt.Graphics;
  31 import java.awt.Image;
  32 import java.awt.image.BufferedImage;
  33 
  34 public abstract class ImageGenerator
  35 {
  36     public int width;
  37     public int height;
  38     private final BufferedImage bi;
  39     public ImageGenerator(int _width, int _height, Color bgColor)
  40     {
  41           width = _width;
  42           height = _height;
  43           bi = new BufferedImage(
  44               width,
  45               height,
  46               BufferedImage.TYPE_INT_ARGB);
  47           Graphics gr = bi.getGraphics();
  48           if(null==bgColor){
  49               bgColor = Color.WHITE;
  50           }
  51           gr.setColor(bgColor);
  52           gr.fillRect(0, 0, width, height);
  53           paint(gr);
  54           gr.dispose();
  55     }
  56     public Image getImage() { return bi; }
  57 
  58     public abstract void paint(Graphics gr);
  59 }