/*
* 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: ImageLoaderTestCase.java 695776 2008-09-16 08:56:12Z maxberger $ */
package org.apache.fop.image.loader.batik;
import java.awt.image.Raster;
import java.awt.image.RenderedImage;
import java.io.File;
import junit.framework.TestCase;
import org.apache.fop.apps.FOUserAgent;
import org.apache.fop.apps.FopFactory;
import org.apache.xmlgraphics.image.loader.Image;
import org.apache.xmlgraphics.image.loader.ImageFlavor;
import org.apache.xmlgraphics.image.loader.ImageInfo;
import org.apache.xmlgraphics.image.loader.ImageManager;
import org.apache.xmlgraphics.image.loader.XMLNamespaceEnabledImageFlavor;
import org.apache.xmlgraphics.image.loader.impl.ImageRendered;
import org.apache.xmlgraphics.image.loader.impl.ImageXMLDOM;
import org.apache.xmlgraphics.image.writer.ImageWriterUtil;
/**
* Tests for bundled ImageLoader implementations.
*/
public class ImageLoaderTestCase extends TestCase {
private static final File DEBUG_TARGET_DIR = null; //new File("D:/");
private FopFactory fopFactory;
public ImageLoaderTestCase(String name) {
super(name);
fopFactory = FopFactory.newInstance();
fopFactory.setSourceResolution(72);
fopFactory.setTargetResolution(300);
}
public void testSVG() throws Exception {
String uri = "test/resources/images/img-w-size.svg";
FOUserAgent userAgent = fopFactory.newFOUserAgent();
ImageManager manager = fopFactory.getImageManager();
ImageInfo info = manager.preloadImage(uri, userAgent.getImageSessionContext());
assertNotNull("ImageInfo must not be null", info);
Image img = manager.getImage(info, XMLNamespaceEnabledImageFlavor.SVG_DOM,
userAgent.getImageSessionContext());
assertNotNull("Image must not be null", img);
assertEquals(XMLNamespaceEnabledImageFlavor.SVG_DOM, img.getFlavor());
ImageXMLDOM imgDom = (ImageXMLDOM)img;
assertNotNull(imgDom.getDocument());
assertEquals("http://www.w3.org/2000/svg", imgDom.getRootNamespace());
info = imgDom.getInfo(); //Switch to the ImageInfo returned by the image
assertEquals(16000, info.getSize().getWidthMpt());
assertEquals(16000, info.getSize().getHeightMpt());
img = manager.getImage(info, ImageFlavor.RENDERED_IMAGE,
userAgent.getImageSessionContext());
assertNotNull("Image must not be null", img);
assertEquals(ImageFlavor.RENDERED_IMAGE, img.getFlavor());
ImageRendered imgRed = (ImageRendered)img;
assertNotNull(imgRed.getRenderedImage());
if (DEBUG_TARGET_DIR != null) {
ImageWriterUtil.saveAsPNG(imgRed.getRenderedImage(),
(int)userAgent.getTargetResolution(),
new File(DEBUG_TARGET_DIR, "out.svg.png"));
}
assertEquals(67, imgRed.getRenderedImage().getWidth());
assertEquals(67, imgRed.getRenderedImage().getHeight());
info = imgRed.getInfo(); //Switch to the ImageInfo returned by the image
assertEquals(16000, info.getSize().getWidthMpt());
assertEquals(16000, info.getSize().getHeightMpt());
}
public void testSVGNoViewbox() throws Exception {
String uri = "test/resources/images/circles.svg";
FopFactory ff = FopFactory.newInstance();
ff.setSourceResolution(96);
ff.setTargetResolution(300);
FOUserAgent userAgent = ff.newFOUserAgent();
ImageManager manager = ff.getImageManager();
ImageInfo info = manager.preloadImage(uri, userAgent.getImageSessionContext());
assertNotNull("ImageInfo must not be null", info);
Image img = manager.getImage(info, XMLNamespaceEnabledImageFlavor.SVG_DOM,
userAgent.getImageSessionContext());
assertNotNull("Image must not be null", img);
assertEquals(XMLNamespaceEnabledImageFlavor.SVG_DOM, img.getFlavor());
ImageXMLDOM imgDom = (ImageXMLDOM)img;
assertNotNull(imgDom.getDocument());
assertEquals("http://www.w3.org/2000/svg", imgDom.getRootNamespace());
info = imgDom.getInfo(); //Switch to the ImageInfo returned by the image
assertEquals(96, info.getSize().getDpiHorizontal(), 0);
assertEquals(340158, info.getSize().getWidthMpt());
assertEquals(340158, info.getSize().getHeightMpt());
assertEquals(454, info.getSize().getWidthPx());
assertEquals(454, info.getSize().getHeightPx());
img = manager.getImage(info, ImageFlavor.RENDERED_IMAGE,
userAgent.getImageSessionContext());
assertNotNull("Image must not be null", img);
assertEquals(ImageFlavor.RENDERED_IMAGE, img.getFlavor());
ImageRendered imgRed = (ImageRendered)img;
assertNotNull(imgRed.getRenderedImage());
if (DEBUG_TARGET_DIR != null) {
ImageWriterUtil.saveAsPNG(imgRed.getRenderedImage(),
(int)userAgent.getTargetResolution(),
new File(DEBUG_TARGET_DIR, "circles.svg.png"));
}
assertEquals(1418, imgRed.getRenderedImage().getWidth());
assertEquals(1418, imgRed.getRenderedImage().getHeight());
info = imgRed.getInfo(); //Switch to the ImageInfo returned by the image
assertEquals(340158, info.getSize().getWidthMpt());
assertEquals(340158, info.getSize().getHeightMpt());
}
public void testWMF() throws Exception {
String uri = "test/resources/images/testChart.wmf";
FOUserAgent userAgent = fopFactory.newFOUserAgent();
ImageManager manager = fopFactory.getImageManager();
ImageInfo info = manager.preloadImage(uri, userAgent.getImageSessionContext());
assertNotNull("ImageInfo must not be null", info);
Image img = manager.getImage(info, ImageFlavor.RENDERED_IMAGE,
userAgent.getImageSessionContext());
assertNotNull("Image must not be null", img);
assertEquals(ImageFlavor.RENDERED_IMAGE, img.getFlavor());
ImageRendered imgRed = (ImageRendered)img;
assertNotNull(imgRed.getRenderedImage());
if (DEBUG_TARGET_DIR != null) {
ImageWriterUtil.saveAsPNG(imgRed.getRenderedImage(),
(int)userAgent.getTargetResolution(),
new File(DEBUG_TARGET_DIR, "out.wmf.png"));
}
assertEquals(3300, imgRed.getRenderedImage().getWidth());
assertEquals(2550, imgRed.getRenderedImage().getHeight());
info = imgRed.getInfo(); //Switch to the ImageInfo returned by the image
assertEquals(792000, info.getSize().getWidthMpt());
assertEquals(612000, info.getSize().getHeightMpt());
}
public void testSVGWithReferences() throws Exception {
String uri = "test/resources/fop/svg/images.svg";
FopFactory ff = FopFactory.newInstance();
FOUserAgent userAgent = ff.newFOUserAgent();
ImageManager manager = ff.getImageManager();
ImageInfo info = manager.preloadImage(uri, userAgent.getImageSessionContext());
assertNotNull("ImageInfo must not be null", info);
Image img = manager.getImage(info, XMLNamespaceEnabledImageFlavor.SVG_DOM,
userAgent.getImageSessionContext());
assertNotNull("Image must not be null", img);
assertEquals(XMLNamespaceEnabledImageFlavor.SVG_DOM, img.getFlavor());
ImageXMLDOM imgDom = (ImageXMLDOM)img;
assertNotNull(imgDom.getDocument());
assertEquals("http://www.w3.org/2000/svg", imgDom.getRootNamespace());
info = imgDom.getInfo(); //Switch to the ImageInfo returned by the image
assertEquals(400000, info.getSize().getWidthMpt());
assertEquals(400000, info.getSize().getHeightMpt());
assertEquals(400, info.getSize().getWidthPx());
assertEquals(400, info.getSize().getHeightPx());
img = manager.getImage(info, ImageFlavor.RENDERED_IMAGE,
userAgent.getImageSessionContext());
assertNotNull("Image must not be null", img);
assertEquals(ImageFlavor.RENDERED_IMAGE, img.getFlavor());
ImageRendered imgRed = (ImageRendered)img;
RenderedImage renImg = imgRed.getRenderedImage();
assertNotNull(renImg);
if (DEBUG_TARGET_DIR != null) {
ImageWriterUtil.saveAsPNG(renImg,
(int)userAgent.getTargetResolution(),
new File(DEBUG_TARGET_DIR, "images.svg.png"));
}
assertEquals(400, renImg.getWidth());
assertEquals(400, renImg.getHeight());
info = imgRed.getInfo(); //Switch to the ImageInfo returned by the image
assertEquals(400000, info.getSize().getWidthMpt());
assertEquals(400000, info.getSize().getHeightMpt());
Raster raster = renImg.getData();
// This pixel is white
int[] pixel1 = raster.getPixel(1, 1, (int[] )null);
// This pixel is from the embedded JPG and is not white
int[] pixel80 = raster.getPixel(80, 80, (int[]) null);
assertEquals(pixel1.length, pixel80.length);
boolean same = true;
for (int i = 0; i < pixel1.length; i++) {
same &= (pixel1[i] == pixel80[i]);
}
assertFalse("Embedding JPG into SVG failed", same);
}
}