Import Upstream version 0.5.0~beta2

1 files changed, 72 insertions, 0 deletions

diff --git a/src/de/lmu/ifi/dbs/elki/visualization/batikutil/ThumbnailTranscoder.java b/src/de/lmu/ifi/dbs/elki/visualization/batikutil/ThumbnailTranscoder.java
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+package de.lmu.ifi.dbs.elki.visualization.batikutil;
+
+/*
+ This file is part of ELKI:
+ Environment for Developing KDD-Applications Supported by Index-Structures
+
+ Copyright (C) 2012
+ Ludwig-Maximilians-Universität München
+ Lehr- und Forschungseinheit für Datenbanksysteme
+ ELKI Development Team
+
+ This program is free software: you can redistribute it and/or modify
+ it under the terms of the GNU Affero General Public License as published by
+ the Free Software Foundation, either version 3 of the License, or
+ (at your option) any later version.
+
+ This program is distributed in the hope that it will be useful,
+ but WITHOUT ANY WARRANTY; without even the implied warranty of
+ MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ GNU Affero General Public License for more details.
+
+ You should have received a copy of the GNU Affero General Public License
+ along with this program.  If not, see <http://www.gnu.org/licenses/>.
+ */
+
+import java.awt.image.BufferedImage;
+
+import org.apache.batik.transcoder.TranscoderException;
+import org.apache.batik.transcoder.TranscoderOutput;
+import org.apache.batik.transcoder.image.ImageTranscoder;
+
+/**
+ * Transcode images to in-memory thumbnails.
+ * 
+ * @author Erich Schubert
+ */
+public class ThumbnailTranscoder extends ImageTranscoder {
+  /**
+   * Last image produced.
+   */
+  private BufferedImage lastimg;
+
+  /**
+   * Constructor.
+   */
+  public ThumbnailTranscoder() {
+    super();
+    hints.put(KEY_FORCE_TRANSPARENT_WHITE, Boolean.FALSE);
+  }
+
+  @Override
+  public BufferedImage createImage(int width, int height) {
+    return new BufferedImage(width, height, BufferedImage.TYPE_INT_ARGB);
+  }
+
+  /**
+   * Output will be ignored!
+   */
+  @Override
+  public void writeImage(BufferedImage img, TranscoderOutput output) throws TranscoderException {
+    lastimg = img;
+  }
+
+  /**
+   * Get the latest image produced.
+   * 
+   * @return the last image produced
+   */
+  public BufferedImage getLastImage() {
+    return lastimg;
+  }
+}
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