/*
* Weblounge: Web Content Management System
* Copyright (c) 2012 The Weblounge Team
* http://weblounge.o2it.ch
*
* This program 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
* 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 Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public License
* along with this program; if not, write to the Free Software Foundation
* Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA.
*/
package ch.entwine.weblounge.preview.jai;
import static org.junit.Assert.assertEquals;
import static org.junit.Assert.fail;
import ch.entwine.weblounge.common.content.Resource;
import ch.entwine.weblounge.common.content.ResourceContent;
import ch.entwine.weblounge.common.content.image.ImageStyle;
import ch.entwine.weblounge.common.impl.content.image.ImageStyleImpl;
import ch.entwine.weblounge.common.impl.language.LanguageUtils;
import ch.entwine.weblounge.common.language.Language;
import ch.entwine.weblounge.common.site.Environment;
import ch.entwine.weblounge.common.site.ImageScalingMode;
import com.sun.media.jai.codec.MemoryCacheSeekableStream;
import com.sun.media.jai.codec.SeekableStream;
import org.apache.commons.io.IOUtils;
import org.easymock.EasyMock;
import org.junit.BeforeClass;
import org.junit.Ignore;
import org.junit.Test;
import java.io.ByteArrayInputStream;
import java.io.ByteArrayOutputStream;
import java.io.InputStream;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;
import javax.media.jai.JAI;
import javax.media.jai.RenderedOp;
/**
* Test case for {@link JAIPreviewGenerator}.
*/
public class JAIPreviewGeneratorTest {
/** Path to the image */
protected static final String imagePath = "/porsche.jpg";
/** Image url */
protected static URL imageURL = null;
/** The original image's width */
protected final float originalWidth = 1000;
/** The original image's height */
protected final float originalHeight = 666;
/** The style's width */
protected static final float styleWidth = 250;
/** The style's height */
protected static final float styleHeight = 250;
/** The image styles to test */
protected static List<ImageStyle> styles = null;
/** The resource */
protected Resource<?> resource = null;
/**
* @throws java.lang.Exception
*/
@BeforeClass
public static void setUpBeforeClass() throws Exception {
imageURL = JAIPreviewGeneratorTest.class.getResource(imagePath).toURI().toURL();
styles = new ArrayList<ImageStyle>();
styles.add(new ImageStyleImpl("box", (int) styleWidth, (int) styleHeight, ImageScalingMode.Box, false, false));
styles.add(new ImageStyleImpl("cover", (int) styleWidth, (int) styleHeight, ImageScalingMode.Cover, false, false));
styles.add(new ImageStyleImpl("fill", (int) styleWidth, (int) styleHeight, ImageScalingMode.Fill, false, false));
styles.add(new ImageStyleImpl("width", (int) styleWidth, (int) styleHeight, ImageScalingMode.Width, false, false));
styles.add(new ImageStyleImpl("height", (int) styleWidth, (int) styleHeight, ImageScalingMode.Height, false, false));
styles.add(new ImageStyleImpl("none", (int) styleWidth, (int) styleHeight, ImageScalingMode.None, false, false));
// Make sure it's working on headless systems
System.setProperty("java.awt.headless", "true");
System.setProperty("weblounge.jai", Boolean.TRUE.toString());
}
public void setUp() {
ResourceContent resourceContent = EasyMock.createNiceMock(ResourceContent.class);
EasyMock.expect(resourceContent.getMimetype()).andReturn("image/png");
EasyMock.replay(resourceContent);
resource = EasyMock.createNiceMock(Resource.class);
EasyMock.expect(resource.getContent((Language) EasyMock.anyObject())).andStubReturn(resourceContent);
EasyMock.replay(resource);
}
/**
* Test method for
* {@link ch.entwine.weblounge.common.impl.content.image.ImageStyleUtils#style(java.io.InputStream, java.io.OutputStream, java.lang.String, ch.entwine.weblounge.common.content.image.ImageStyle)}
* . TODO: This test is off by 1.
*/
@Test
@Ignore
public void testStyle() throws Exception {
for (ImageStyle style : styles) {
InputStream is = null;
ByteArrayOutputStream bos = null;
ByteArrayInputStream bis = null;
try {
is = imageURL.openStream();
// Style the original image
bos = new ByteArrayOutputStream();
JAIPreviewGenerator previewGenerator = new JAIPreviewGenerator();
previewGenerator.createPreview(resource, Environment.Development, LanguageUtils.getLanguage("en"), style, null, is, bos);
// Read the image back in
bis = new ByteArrayInputStream(bos.toByteArray());
SeekableStream seekableInputStream = new MemoryCacheSeekableStream(bis);
RenderedOp image = JAI.create("stream", seekableInputStream);
// Test width and height
switch (style.getScalingMode()) {
case Box:
assertEquals(styleWidth, image.getWidth(), 0);
assertEquals(originalHeight * (styleWidth / originalWidth), image.getHeight(), 0);
break;
case Cover:
assertEquals(originalWidth * (styleHeight / originalHeight), image.getWidth(), 0);
assertEquals(styleHeight, image.getHeight(), 0);
break;
case Fill:
assertEquals(styleWidth, image.getWidth(), 0);
assertEquals(styleHeight, image.getHeight(), 0);
break;
case Height:
assertEquals(originalWidth * (styleHeight / originalHeight), image.getWidth(), 0);
assertEquals(styleHeight, image.getHeight(), 0);
break;
case None:
assertEquals(originalWidth, image.getWidth(), 0);
assertEquals(originalHeight, image.getHeight(), 0);
break;
case Width:
assertEquals(styleWidth, image.getWidth(), 0);
assertEquals(originalHeight * (styleWidth / originalWidth), image.getHeight(), 0);
break;
default:
fail("Unknown scaling mode " + style.getScalingMode());
}
} finally {
IOUtils.closeQuietly(is);
IOUtils.closeQuietly(bos);
IOUtils.closeQuietly(bis);
}
}
}
}