/*
    * 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;
  
  import java.awt.color.ColorSpace;
  import java.awt.color.ICC_ColorSpace;
  import java.awt.color.ICC_Profile;
  import java.awt.image.BufferedImage;
  import java.io.IOException;
  import java.util.logging.Logger;
  
  import org.apache.commons.imaging.icc.IccProfileInfo;
  import org.apache.commons.imaging.icc.IccProfileParser;
  
  /**
   * Used to store metadata and descriptive information extracted from image files.
   */
  public class ImageDump {
  
      private static final Logger LOGGER = Logger.getLogger(ImageDump.class.getName());
  
      private String colorSpaceTypeToName(final ColorSpace cs) {
          // System.out.println(prefix + ": " + "type: "
          // + cs.getType() );
          switch (cs.getType()) {
          case ColorSpace.TYPE_CMYK:
              return "TYPE_CMYK";
          case ColorSpace.TYPE_RGB:
              return "TYPE_RGB";
          case ColorSpace.CS_sRGB:
              return "CS_sRGB";
          case ColorSpace.CS_GRAY:
              return "CS_GRAY";
          case ColorSpace.CS_CIEXYZ:
              return "CS_CIEXYZ";
          case ColorSpace.CS_LINEAR_RGB:
              return "CS_LINEAR_RGB";
          case ColorSpace.CS_PYCC:
              return "CS_PYCC";
          default:
              return "unknown";
          }
      }
  
      public void dump(final BufferedImage src) throws IOException {
          dump("", src);
      }
  
      public void dump(final String prefix, final BufferedImage src) throws IOException {
          LOGGER.fine(prefix + ": " + "dump");
          dumpColorSpace(prefix, src.getColorModel().getColorSpace());
          dumpBiProps(prefix, src);
      }
  
      public void dumpBiProps(final String prefix, final BufferedImage src) {
          final String[] keys = src.getPropertyNames();
          if (keys == null) {
              LOGGER.fine(prefix + ": no props");
              return;
          }
          for (final String key : keys) {
              LOGGER.fine(prefix + ": " + key + ": " + src.getProperty(key));
          }
      }
  
      public void dumpColorSpace(final String prefix, final ColorSpace cs) throws IOException {
          LOGGER.fine(prefix + ": " + "type: " + cs.getType() + " (" + colorSpaceTypeToName(cs) + ")");
  
          if (!(cs instanceof ICC_ColorSpace)) {
              LOGGER.fine(prefix + ": " + "Unknown ColorSpace: " + cs.getClass().getName());
              return;
          }
  
          final ICC_ColorSpace iccColorSpace = (ICC_ColorSpace) cs;
          final ICC_Profile iccProfile = iccColorSpace.getProfile();
  
          final byte[] bytes = iccProfile.getData();
  
          final IccProfileParser parser = new IccProfileParser();
  
          final IccProfileInfo info = parser.getIccProfileInfo(bytes);
          info.dump(prefix);
      }
  
  }