ImageGenerator.java revision 8729:0242fce0f717 
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 */
27import java.awt.Color;
28import java.awt.Graphics;
29import java.awt.Image;
30import java.awt.image.BufferedImage;
31
32public 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}
58