1 /*
   2  * Copyright (c) 2014, 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 import java.awt.*;
  25 import java.awt.image.BufferedImage;
  26 
  27 /*
  28  * @summary Temporary buffered image for tests
  29  * @author Dmitriy Ermashov (dmitriy.ermashov@oracle.com)
  30  */
  31 
  32 public class TempImage extends BufferedImage {
  33 
  34     public TempImage(int width, int height, int imageType) {
  35         super(width, width, imageType);
  36         Graphics2D g = (Graphics2D) getGraphics();
  37         g.setColor(Color.WHITE);
  38         g.fillRect(0, 0, getWidth(), getHeight());
  39         char direction = 'r';
  40         int thickness = 10;
  41         int lineLength = getWidth();
  42         Point currPos = new Point(0,0);
  43         g.setColor(Color.RED);
  44         while (lineLength > 0) {
  45             lineLength -= thickness;
  46             switch (direction) {
  47                 case 'r' :
  48                     g.fillRect(currPos.x, currPos.y, lineLength, thickness);
  49                     currPos.translate(lineLength - thickness, thickness);
  50                     direction = 'd';
  51                     break;
  52                 case 'd' :
  53                     g.fillRect(currPos.x, currPos.y, thickness, lineLength);
  54                     currPos.translate(0, lineLength - thickness);
  55                     direction = 'l';
  56                     break;
  57                 case 'l' :
  58                     g.fillRect(currPos.x-lineLength, currPos.y, lineLength, thickness);
  59                     currPos.translate(-lineLength, 0);
  60                     direction = 'u';
  61                     break;
  62                 case 'u' :
  63                     g.fillRect(currPos.x, currPos.y-lineLength, thickness, lineLength);
  64                     currPos.translate(thickness, -lineLength);
  65                     direction = 'r';
  66                     break;
  67             }
  68         }
  69     }
  70 }