Gridarta Editor
ImageUtils.java
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1 /*
2  * Gridarta MMORPG map editor for Crossfire, Daimonin and similar games.
3  * Copyright (C) 2000-2023 The Gridarta Developers.
4  *
5  * This program is free software; you can redistribute it and/or modify
6  * it under the terms of the GNU General Public License as published by
7  * the Free Software Foundation; either version 2 of the License, or
8  * (at your option) any later version.
9  *
10  * This program is distributed in the hope that it will be useful,
11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
13  * GNU General Public License for more details.
14  *
15  * You should have received a copy of the GNU General Public License along
16  * with this program; if not, write to the Free Software Foundation, Inc.,
17  * 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18  */
19 
20 package net.sf.gridarta.utils;
21 
22 import java.awt.Component;
23 import java.awt.Image;
24 import java.awt.MediaTracker;
25 import org.jetbrains.annotations.NotNull;
26 
31 public class ImageUtils {
32 
36  private static final Component COMPONENT = new Component() {
37 
41  private static final long serialVersionUID = 1L;
42 
43  };
44 
48  private static final MediaTracker TRACKER = new MediaTracker(COMPONENT);
49 
53  private ImageUtils() {
54  }
55 
67  @NotNull
68  public static Image scaleImage(@NotNull final Image image, final int w, final int h) throws InterruptedException {
69  final Image scaledImage = image.getScaledInstance(w, h, Image.SCALE_SMOOTH);
70 
71  final int id = 0;
72  TRACKER.addImage(scaledImage, id);
73  try {
74  TRACKER.waitForID(id);
75  } finally {
76  TRACKER.removeImage(scaledImage, id);
77  }
78 
79  return scaledImage;
80  }
81 
82 }
net.sf.gridarta.utils.ImageUtils.COMPONENT
static final Component COMPONENT
The component for the media TRACKER.
Definition: ImageUtils.java:36
net.sf.gridarta.utils.ImageUtils.ImageUtils
ImageUtils()
Private constructor to prevent instantiation.
Definition: ImageUtils.java:53
net.sf.gridarta.utils.ImageUtils.TRACKER
static final MediaTracker TRACKER
The MediaTracker for loading scaled images.
Definition: ImageUtils.java:48
net.sf.gridarta.utils.ImageUtils
Utility class for image related functions.
Definition: ImageUtils.java:31
net.sf.gridarta.utils.ImageUtils.scaleImage
static Image scaleImage(@NotNull final Image image, final int w, final int h)
Returns a scaled version of an Image.
Definition: ImageUtils.java:68