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. */ package org.apache.commons.imaging.examples; import java.awt.image.BufferedImage; import java.io.File; import java.io.IOException; import java.util.HashMap; import java.util.Map; import org.apache.commons.imaging.ImageFormat; import org.apache.commons.imaging.ImageFormats; import org.apache.commons.imaging.ImageReadException; import org.apache.commons.imaging.ImageWriteException; import org.apache.commons.imaging.Imaging; import org.apache.commons.imaging.ImagingConstants; import org.apache.commons.imaging.formats.tiff.constants.TiffConstants; public class ImageWriteExample { public static byte[] imageWriteExample(final File file) throws ImageReadException, ImageWriteException, IOException { // read image final BufferedImage image = Imaging.getBufferedImage(file); final ImageFormat format = ImageFormats.TIFF; final Map<String, Object> params = new HashMap<>(); // set optional parameters if you like params.put(ImagingConstants.PARAM_KEY_COMPRESSION, Integer.valueOf(TiffConstants.TIFF_COMPRESSION_UNCOMPRESSED)); final byte[] bytes = Imaging.writeImageToBytes(image, format, params); return bytes; } }