/*
* Licensed to the Apache Software Foundation (ASF) under one or more
* contributor license agreements. See the NOTICE file distributed with
* this work for additional information regarding copyright ownership.
* The ASF licenses this file to You under the Apache License, Version 2.0
* (the "License"); you may not use this file except in compliance with
* the License. You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
/* $Id: ImagePipelineTestCase.java 606870 2007-12-26 09:48:43Z jeremias $ */
package org.apache.xmlgraphics.image.loader;
import java.awt.Dimension;
import junit.framework.TestCase;
import org.apache.xmlgraphics.image.loader.impl.ImageConverterBuffered2Rendered;
import org.apache.xmlgraphics.image.loader.impl.ImageConverterG2D2Bitmap;
import org.apache.xmlgraphics.image.loader.impl.ImageConverterRendered2PNG;
import org.apache.xmlgraphics.image.loader.impl.ImageGraphics2D;
import org.apache.xmlgraphics.image.loader.impl.ImageRawStream;
import org.apache.xmlgraphics.image.loader.impl.imageio.ImageLoaderImageIO;
import org.apache.xmlgraphics.image.loader.pipeline.ImageProviderPipeline;
import org.apache.xmlgraphics.image.loader.spi.ImageLoader;
import org.apache.xmlgraphics.java2d.Graphics2DImagePainter;
/**
* Tests for the image pipeline functionality.
*/
public class ImagePipelineTestCase extends TestCase {
private MockImageContext imageContext = MockImageContext.getInstance();
public ImagePipelineTestCase(String name) {
super(name);
}
public void testPipelineWithLoader() throws Exception {
String uri = "bgimg72dpi.gif";
ImageSessionContext sessionContext = imageContext.newSessionContext();
ImageManager manager = imageContext.getImageManager();
ImageInfo info = manager.preloadImage(uri, sessionContext);
assertNotNull("ImageInfo must not be null", info);
ImageLoader loader = new ImageLoaderImageIO(ImageFlavor.RENDERED_IMAGE);
ImageProviderPipeline pipeline = new ImageProviderPipeline(manager.getCache(), loader);
pipeline.addConverter(new ImageConverterRendered2PNG());
Image img = pipeline.execute(info, null, sessionContext);
assertNotNull("Image must not be null", img);
assertEquals(ImageFlavor.RAW_PNG, img.getFlavor());
assertTrue(img instanceof ImageRawStream);
}
public void testPipelineWithoutLoader() throws Exception {
ImageSessionContext sessionContext = imageContext.newSessionContext();
ImageManager manager = imageContext.getImageManager();
Image original = createG2DImage();
ImageProviderPipeline pipeline = new ImageProviderPipeline(manager.getCache(), null);
pipeline.addConverter(new ImageConverterG2D2Bitmap());
pipeline.addConverter(new ImageConverterBuffered2Rendered());
pipeline.addConverter(new ImageConverterRendered2PNG());
Image img = pipeline.execute(original.getInfo(), original, null,
sessionContext);
assertNotNull("Image must not be null", img);
assertEquals(ImageFlavor.RAW_PNG, img.getFlavor());
assertTrue(img instanceof ImageRawStream);
}
private Image createG2DImage() {
Graphics2DImagePainter painter = new DemoPainter();
Dimension dim = painter.getImageSize();
ImageSize size = new ImageSize();
size.setSizeInMillipoints(dim.width, dim.height);
size.setResolution(72);
size.calcPixelsFromSize();
ImageInfo info = new ImageInfo(null /*null is the intention here*/, null);
info.setSize(size);
ImageGraphics2D g2dImage = new ImageGraphics2D(info, painter);
return g2dImage;
}
public void testPipelineFromURIThroughManager() throws Exception {
String uri = "asf-logo.png";
ImageSessionContext sessionContext = imageContext.newSessionContext();
ImageManager manager = imageContext.getImageManager();
ImageInfo info = manager.preloadImage(uri, sessionContext);
assertNotNull("ImageInfo must not be null", info);
ImageFlavor[] flavors = new ImageFlavor[] {
ImageFlavor.RAW_PNG, ImageFlavor.RAW_JPEG
};
Image img = manager.getImage(info, flavors, sessionContext);
assertNotNull("Image must not be null", img);
assertEquals(ImageFlavor.RAW_PNG, img.getFlavor());
assertTrue(img instanceof ImageRawStream);
}
public void testPipelineWithoutURIThroughManager() throws Exception {
ImageManager manager = imageContext.getImageManager();
Image original = createG2DImage();
ImageFlavor[] flavors = new ImageFlavor[] {
ImageFlavor.RAW_PNG, ImageFlavor.RAW_JPEG
};
Image img = manager.convertImage(original, flavors);
assertNotNull("Image must not be null", img);
assertEquals(ImageFlavor.RAW_PNG, img.getFlavor());
assertTrue(img instanceof ImageRawStream);
}
}