/Source/com/drew/metadata/photoshop/PhotoshopDirectory.java

/*

 * Copyright 2002-2011 Drew Noakes

 *

 *    Licensed 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.

 *

 * More information about this project is available at:

 *

 *    http://drewnoakes.com/code/exif/

 *    http://code.google.com/p/metadata-extractor/

 */



package com.drew.metadata.photoshop;



import com.drew.lang.annotations.NotNull;

import com.drew.lang.annotations.Nullable;

import com.drew.metadata.Directory;



import java.util.HashMap;



/** @author Yuri Binev, Drew Noakes http://drewnoakes.com */

public class PhotoshopDirectory extends Directory

{

    public static final int TAG_PHOTOSHOP_THUMBNAIL = 0x040C;

    public static final int TAG_PHOTOSHOP_THUMBNAIL_OLD = 0x0409;

    public static final int TAG_PHOTOSHOP_JPEG_QUALITY = 0x0406;

    public static final int TAG_PHOTOSHOP_URL = 0x040B;

    public static final int TAG_PHOTOSHOP_IPTC = 0x0404;

    public static final int TAG_PHOTOSHOP_CAPTION_DIGEST = 0x0425;

    public static final int TAG_PHOTOSHOP_SLICES = 0x041a;

    public static final int TAG_PHOTOSHOP_VERSION = 0x0421;

    public static final int TAG_PHOTOSHOP_RESOLUTION_INFO = 0x03ed;

    public static final int TAG_PHOTOSHOP_XML = 0x03EA;

    public static final int TAG_PHOTOSHOP_COPYRIGHT = 0x040A;

    public static final int TAG_PHOTOSHOP_GLOBAL_ANGLE = 0x040D;

    public static final int TAG_PHOTOSHOP_GLOBAL_ALTITUDE = 0x0419;

    public static final int TAG_PHOTOSHOP_URL_LIST = 0x041E;

    public static final int TAG_PHOTOSHOP_PRINT_SCALE = 0x0426;

    public static final int TAG_PHOTOSHOP_PRINT_FLAGS_INFO = 0x2710;

    public static final int TAG_PHOTOSHOP_PRINT_FLAGS = 0x03F3;

    public static final int TAG_PHOTOSHOP_SEED_NUMBER = 0x0414;

    public static final int TAG_PHOTOSHOP_PIXEL_ASPECT_RATIO = 0x0428;



    @NotNull

    protected static final HashMap<Integer, String> _tagNameMap = new HashMap<Integer, String>();



    static {

        // TODO create fields for the numeric tags below



        _tagNameMap.put(TAG_PHOTOSHOP_THUMBNAIL, "Thumbnail Data");

        _tagNameMap.put(TAG_PHOTOSHOP_URL, "URL");

        _tagNameMap.put(TAG_PHOTOSHOP_IPTC, "IPTC-NAA record");

        _tagNameMap.put(TAG_PHOTOSHOP_CAPTION_DIGEST, "Caption digest");

        _tagNameMap.put(TAG_PHOTOSHOP_SLICES, "Slices");

        _tagNameMap.put(TAG_PHOTOSHOP_VERSION, "Version Info");

        _tagNameMap.put(0x03E9, "Mac Print info");

        _tagNameMap.put(TAG_PHOTOSHOP_XML, "XML Data");

        _tagNameMap.put(0x042F, "Print info");

        _tagNameMap.put(TAG_PHOTOSHOP_RESOLUTION_INFO, "Resolution Info");

        _tagNameMap.put(TAG_PHOTOSHOP_PRINT_FLAGS, "Print Flags");

        _tagNameMap.put(0x03E8, "Channels, rows, columns, depth, mode");

        _tagNameMap.put(0x03EB, "Indexed color table");

        _tagNameMap.put(0x03EE, "Alpha channels");

        _tagNameMap.put(0x03EF, "DisplayInfo");

        _tagNameMap.put(0x03F0, "Caption");

        _tagNameMap.put(0x03F1, "Border information");

        _tagNameMap.put(0x03F2, "Background color");

        _tagNameMap.put(0x03F3, "Print flags");

        _tagNameMap.put(0x03F4, "Grayscale and multichannel halftoning information");

        _tagNameMap.put(0x03F5, "Color halftoning information");

        _tagNameMap.put(0x03F6, "Duotone halftoning information");

        _tagNameMap.put(0x03F7, "Grayscale and multichannel transfer function");

        _tagNameMap.put(0x03F8, "Color transfer functions");

        _tagNameMap.put(0x03F9, "Duotone transfer functions");

        _tagNameMap.put(0x03FA, "Duotone image information");

        _tagNameMap.put(0x03FB, "Effective black and white values");

        _tagNameMap.put(0x03FD, "EPS options");

        _tagNameMap.put(0x03FE, "Quick Mask information");

        _tagNameMap.put(0x0400, "Layer state information");

        _tagNameMap.put(0x0402, "Layers group information");

        _tagNameMap.put(0x0405, "Image mode for raw format files");

        _tagNameMap.put(TAG_PHOTOSHOP_JPEG_QUALITY, "JPEG quality");

        _tagNameMap.put(0x0408, "Grid and guides information");

        _tagNameMap.put(0x0411, "ICC Untagged Profile");

        _tagNameMap.put(TAG_PHOTOSHOP_THUMBNAIL_OLD, "Photoshop 4.0 Thumbnail");

        _tagNameMap.put(TAG_PHOTOSHOP_COPYRIGHT, "Copyright flag");

        _tagNameMap.put(TAG_PHOTOSHOP_GLOBAL_ANGLE, "Global Angle");

        _tagNameMap.put(TAG_PHOTOSHOP_GLOBAL_ALTITUDE, "Global Altitude");

        _tagNameMap.put(TAG_PHOTOSHOP_PRINT_FLAGS_INFO, "Print flags information");

        _tagNameMap.put(TAG_PHOTOSHOP_PRINT_SCALE, "Print Scale");

        _tagNameMap.put(TAG_PHOTOSHOP_URL_LIST, "URL List");

        _tagNameMap.put(TAG_PHOTOSHOP_PIXEL_ASPECT_RATIO, "Pixel Aspect Ratio");

        _tagNameMap.put(TAG_PHOTOSHOP_SEED_NUMBER, "Seed number");

    }



    public PhotoshopDirectory()

    {

        this.setDescriptor(new PhotoshopDescriptor(this));

    }



    @NotNull

    public String getName()

    {

        return "Photoshop";

    }



    @NotNull

    protected HashMap<Integer, String> getTagNameMap()

    {

        return _tagNameMap;

    }



    @Nullable

    public byte[] getThumbnailBytes()

    {

        byte[] storedBytes = getByteArray(PhotoshopDirectory.TAG_PHOTOSHOP_THUMBNAIL);

        if (storedBytes == null)

            storedBytes = getByteArray(PhotoshopDirectory.TAG_PHOTOSHOP_THUMBNAIL_OLD);

        if (storedBytes == null)

            return null;



        int thumbSize = storedBytes.length - 28;

        byte[] thumbBytes = new byte[thumbSize];

        System.arraycopy(storedBytes, 28, thumbBytes, 0, thumbSize);

        return thumbBytes;

    }

}