Java tutorial
/* * 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: TIFFImageWriterTest.java 750418 2009-03-05 11:03:54Z vhennebert $ */ package org.apache.xmlgraphics.image.writer.internal; import java.awt.image.BufferedImage; import java.io.OutputStream; import junit.framework.TestCase; import org.apache.commons.io.output.NullOutputStream; import org.apache.xmlgraphics.image.writer.ImageWriterParams; import org.apache.xmlgraphics.image.writer.MultiImageWriter; public class TIFFImageWriterTest extends TestCase { public void testJPEGWritingWithoutParams() throws Exception { //This used to generate a NPE when no ImageWriterParams were not set OutputStream out = new NullOutputStream(); org.apache.xmlgraphics.image.writer.ImageWriter imageWriter = new TIFFImageWriter(); BufferedImage image = new BufferedImage(200, 200, BufferedImage.TYPE_BYTE_GRAY); imageWriter.writeImage(image, out); } public void testJPEGWritingWithoutJPEGParams() throws Exception { //This used to generate a NPE because the JPEG encoding params were not set OutputStream out = new NullOutputStream(); org.apache.xmlgraphics.image.writer.ImageWriter imageWriter = new TIFFImageWriter(); MultiImageWriter writer = null; try { writer = imageWriter.createMultiImageWriter(out); // retrieve writer if (imageWriter != null) { ImageWriterParams iwp = new ImageWriterParams(); iwp.setCompressionMethod("JPEG"); for (int pageNumber = 0; pageNumber <= 2; pageNumber++) { BufferedImage image = new BufferedImage(200, 200, BufferedImage.TYPE_BYTE_GRAY); writer.writeImage(image, iwp); } } } finally { writer.close(); } } }