/*
 * 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.sanselan;

import java.io.IOException;

import org.apache.sanselan.icc.IccProfileInfo;
import org.apache.sanselan.icc.IccProfileParser;

import com.google.code.appengine.awt.color.ColorSpace;
import com.google.code.appengine.awt.color.ICC_ColorSpace;
import com.google.code.appengine.awt.color.ICC_Profile;
import com.google.code.appengine.awt.image.BufferedImage;


public class ImageDump
{
    private String colorSpaceTypeToName(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";
        }

        return "unknown";
    }

    public void dumpColorSpace(String prefix, ColorSpace cs)
            throws ImageReadException, IOException
    {
        System.out.println(prefix + ": " + "type: " + cs.getType() + " ("
                + colorSpaceTypeToName(cs) + ")");

        if (!(cs instanceof ICC_ColorSpace))
        {
            System.out.println(prefix + ": " + "Unknown ColorSpace: "
                    + cs.getClass().getName());
            return;
        }

        ICC_ColorSpace fICC_ColorSpace = (ICC_ColorSpace) cs;
        ICC_Profile fICC_Profile = fICC_ColorSpace.getProfile();

        byte bytes[] = fICC_Profile.getData();

        IccProfileParser parser = new IccProfileParser();

        IccProfileInfo info = parser.getICCProfileInfo(bytes);
        info.dump(prefix);
    }

    public void dump(BufferedImage src) throws ImageReadException, IOException
    {
        dump("", src);
    }

    public void dump(String prefix, BufferedImage src)
            throws ImageReadException, IOException
    {
        System.out.println(prefix + ": " + "dump");
        dumpColorSpace(prefix, src.getColorModel().getColorSpace());
        dumpBIProps(prefix, src);
    }

    public void dumpBIProps(String prefix, BufferedImage src)
    {
        String keys[] = src.getPropertyNames();
        if (keys == null)
        {
            System.out.println(prefix + ": no props");
            return;
        }
        for (int i = 0; i < keys.length; i++)
        {
            String key = keys[i];
            System.out.println(prefix + ": " + key + ": "
                    + src.getProperty(key));
        }
    }

}