Author: ruschein
Date: 2010-02-02 13:51:36 -0800 (Tue, 02 Feb 2010)
New Revision: 19152
Added:
csplugins/trunk/util.compression/tests/org/cytoscape/util/compression/BufferedImageCompressorTest.java
Log:
Added tests for image compression and decompression.
Added:
csplugins/trunk/util.compression/tests/org/cytoscape/util/compression/BufferedImageCompressorTest.java
===================================================================
---
csplugins/trunk/util.compression/tests/org/cytoscape/util/compression/BufferedImageCompressorTest.java
(rev 0)
+++
csplugins/trunk/util.compression/tests/org/cytoscape/util/compression/BufferedImageCompressorTest.java
2010-02-02 21:51:36 UTC (rev 19152)
@@ -0,0 +1,77 @@
+/**
+ * @author ruschein
+ */
+/*
+ Copyright (c) 2010, The Cytoscape Consortium (www.cytoscape.org)
+
+ This library is free software; you can redistribute it and/or modify it
+ under the terms of the GNU Lesser General Public License as published
+ by the Free Software Foundation; either version 2.1 of the License, or
+ any later version.
+
+ This library 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. The software and
+ documentation provided hereunder is on an "as is" basis, and the
+ Institute for Systems Biology and the Whitehead Institute
+ have no obligations to provide maintenance, support,
+ updates, enhancements or modifications. In no event shall the
+ Institute for Systems Biology and the Whitehead Institute
+ be liable to any party for direct, indirect, special,
+ incidental or consequential damages, including lost profits, arising
+ out of the use of this software and its documentation, even if the
+ Institute for Systems Biology and the Whitehead Institute
+ have been advised of the possibility of such damage. See
+ the GNU Lesser General Public License for more details.
+
+ You should have received a copy of the GNU Lesser General Public License
+ along with this library; if not, write to the Free Software Foundation,
+ Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA.
+*/
+package org.cytoscape.util.compression;
+
+
+import java.awt.image.BufferedImage;
+import java.awt.image.DataBuffer;
+import java.awt.image.DataBufferInt;
+import java.awt.image.Raster;
+import junit.framework.*;
+
+
+public class BufferedImageCompressorTest extends TestCase {
+ public void testCompress() {
+ final int IMG_WIDTH = 2;
+ final int IMG_HEIGHT = 3;
+ final BufferedImage image = new BufferedImage(IMG_WIDTH,
IMG_HEIGHT, BufferedImage.TYPE_INT_ARGB_PRE);
+
+ assertEquals(IMG_WIDTH, image.getWidth());
+ assertEquals(IMG_HEIGHT, image.getHeight());
+
+ final int[] compressedImage =
BufferedImageCompressor.compress(image);
+ }
+
+ public void testExpand() {
+ final int IMG_WIDTH = 2;
+ final int IMG_HEIGHT = 3;
+ final BufferedImage origImage = new BufferedImage(IMG_WIDTH,
IMG_HEIGHT, BufferedImage.TYPE_INT_ARGB_PRE);
+ final DataBufferInt origDataBuffer =
(DataBufferInt)origImage.getRaster().getDataBuffer();
+ origDataBuffer.setElem(1, 0xA);
+ origDataBuffer.setElem(3, 0xD);
+ final int[] origImageData = origDataBuffer.getData();
+
+ assertEquals(IMG_WIDTH, origImage.getWidth());
+ assertEquals(IMG_HEIGHT, origImage.getHeight());
+
+ final int[] compressedImage =
BufferedImageCompressor.compress(origImage);
+
+ final BufferedImage expandedImage =
BufferedImageCompressor.expand(compressedImage, IMG_WIDTH, IMG_HEIGHT);
+ final DataBufferInt dataBuffer =
(DataBufferInt)expandedImage.getRaster().getDataBuffer();
+ final int[] imageData = dataBuffer.getData();
+
+ assertEquals(origImageData.length, imageData.length);
+ for (int i = 0; i < origImageData.length; ++i)
+ assertEquals(origImageData[i], imageData[i]);
+ for (int i = 0; i < origImageData.length; ++i)
+ System.out.println(origImageData[i]);
+ }
+}
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