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Java Advanced Imaging Image I/O Tools API core, but without the classes
involved with javax.media.jai dependencies, JPEG2000 or
codecLibJIIO, meaning that this library can be distributed under the
modified BSD license and should be GPL compatible.
The newest version!
/*
* $RCSfile: CLibPNGMetadataFormat.java,v $
*
*
* Copyright (c) 2005 Sun Microsystems, Inc. All Rights Reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* - Redistribution of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* - Redistribution in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* Neither the name of Sun Microsystems, Inc. or the names of
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* This software is provided "AS IS," without a warranty of any
* kind. ALL EXPRESS OR IMPLIED CONDITIONS, REPRESENTATIONS AND
* WARRANTIES, INCLUDING ANY IMPLIED WARRANTY OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT, ARE HEREBY
* EXCLUDED. SUN MIDROSYSTEMS, INC. ("SUN") AND ITS LICENSORS SHALL
* NOT BE LIABLE FOR ANY DAMAGES SUFFERED BY LICENSEE AS A RESULT OF
* USING, MODIFYING OR DISTRIBUTING THIS SOFTWARE OR ITS
* DERIVATIVES. IN NO EVENT WILL SUN OR ITS LICENSORS BE LIABLE FOR
* ANY LOST REVENUE, PROFIT OR DATA, OR FOR DIRECT, INDIRECT, SPECIAL,
* CONSEQUENTIAL, INCIDENTAL OR PUNITIVE DAMAGES, HOWEVER CAUSED AND
* REGARDLESS OF THE THEORY OF LIABILITY, ARISING OUT OF THE USE OF OR
* INABILITY TO USE THIS SOFTWARE, EVEN IF SUN HAS BEEN ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGES.
*
* You acknowledge that this software is not designed or intended for
* use in the design, construction, operation or maintenance of any
* nuclear facility.
*
* $Revision: 1.1 $
* $Date: 2005/02/11 05:01:39 $
* $State: Exp $
*/
package com.github.jaiimageio.impl.plugins.png;
import java.util.Arrays;
import javax.imageio.ImageTypeSpecifier;
import javax.imageio.metadata.IIOMetadataFormat;
import javax.imageio.metadata.IIOMetadataFormatImpl;
public class CLibPNGMetadataFormat extends IIOMetadataFormatImpl {
private static IIOMetadataFormat instance = null;
private static String VALUE_0 = "0";
private static String VALUE_1 = "1";
private static String VALUE_12 = "12";
private static String VALUE_23 = "23";
private static String VALUE_31 = "31";
private static String VALUE_59 = "59";
private static String VALUE_60 = "60";
private static String VALUE_255 = "255";
private static String VALUE_MAX_16 = "65535"; // 2^16 - 1
private static String VALUE_MAX_32 = "2147483647"; // 2^32 - 1
private CLibPNGMetadataFormat() {
super(CLibPNGMetadata.nativeMetadataFormatName,
CHILD_POLICY_SOME);
// root -> IHDR
addElement("IHDR", CLibPNGMetadata.nativeMetadataFormatName,
CHILD_POLICY_EMPTY);
addAttribute("IHDR", "width",
DATATYPE_INTEGER, true, null,
VALUE_1, VALUE_MAX_32, true, true);
addAttribute("IHDR", "height",
DATATYPE_INTEGER, true, null,
VALUE_1, VALUE_MAX_32, true, true);
addAttribute("IHDR", "bitDepth",
DATATYPE_INTEGER, true, null,
Arrays.asList(CLibPNGMetadata.IHDR_bitDepths));
String[] colorTypes = {
"Grayscale", "RGB", "Palette", "GrayAlpha", "RGBAlpha"
};
addAttribute("IHDR", "colorType",
DATATYPE_STRING, true, null,
Arrays.asList(colorTypes));
addAttribute("IHDR", "compressionMethod",
DATATYPE_STRING, true, null,
Arrays.asList(CLibPNGMetadata.IHDR_compressionMethodNames));
addAttribute("IHDR", "filterMethod",
DATATYPE_STRING, true, null,
Arrays.asList(CLibPNGMetadata.IHDR_filterMethodNames));
addAttribute("IHDR", "interlaceMethod",
DATATYPE_STRING, true, null,
Arrays.asList(CLibPNGMetadata.IHDR_interlaceMethodNames));
// root -> PLTE
addElement("PLTE", CLibPNGMetadata.nativeMetadataFormatName,
1, 256);
// root -> PLTE -> PLTEEntry
addElement("PLTEEntry", "PLTE",
CHILD_POLICY_EMPTY);
addAttribute("PLTEEntry", "index",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_255, true, true);
addAttribute("PLTEEntry", "red",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_255, true, true);
addAttribute("PLTEEntry", "green",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_255, true, true);
addAttribute("PLTEEntry", "blue",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_255, true, true);
// root -> bKGD
addElement("bKGD", CLibPNGMetadata.nativeMetadataFormatName,
CHILD_POLICY_CHOICE);
// root -> bKGD -> bKGD_Grayscale
addElement("bKGD_Grayscale", "bKGD",
CHILD_POLICY_EMPTY);
addAttribute("bKGD_Grayscale", "gray",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_MAX_16, true, true);
// root -> bKGD -> bKGD_RGB
addElement("bKGD_RGB", "bKGD",
CHILD_POLICY_EMPTY);
addAttribute("bKGD_RGB", "red",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_MAX_16, true, true);
addAttribute("bKGD_RGB", "green",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_MAX_16, true, true);
addAttribute("bKGD_RGB", "blue",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_MAX_16, true, true);
// root -> bKGD -> bKGD_Palette
addElement("bKGD_Palette", "bKGD",
CHILD_POLICY_EMPTY);
addAttribute("bKGD_Palette", "index",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_255, true, true);
// root -> cHRM
addElement("cHRM", CLibPNGMetadata.nativeMetadataFormatName,
CHILD_POLICY_EMPTY);
addAttribute("cHRM", "whitePointX",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_MAX_16, true, true);
addAttribute("cHRM", "whitePointY",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_MAX_16, true, true);
addAttribute("cHRM", "redX",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_MAX_16, true, true);
addAttribute("cHRM", "redY",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_MAX_16, true, true);
addAttribute("cHRM", "greenX",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_MAX_16, true, true);
addAttribute("cHRM", "greenY",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_MAX_16, true, true);
addAttribute("cHRM", "blueX",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_MAX_16, true, true);
addAttribute("cHRM", "blueY",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_MAX_16, true, true);
// root -> gAMA
addElement("gAMA", CLibPNGMetadata.nativeMetadataFormatName,
CHILD_POLICY_EMPTY);
addAttribute("gAMA", "value",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_MAX_32, true, true);
// root -> hIST
addElement("hIST", CLibPNGMetadata.nativeMetadataFormatName,
1, 256);
// root -> hISTEntry
addElement("hISTEntry", "hIST",
CHILD_POLICY_EMPTY);
addAttribute("hISTEntry", "index",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_255, true, true);
addAttribute("hISTEntry", "value",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_MAX_16, true, true);
// root -> iCCP
addElement("iCCP", CLibPNGMetadata.nativeMetadataFormatName,
CHILD_POLICY_EMPTY);
addAttribute("iCCP", "profileName",
DATATYPE_STRING, true, null);
addAttribute("iCCP", "compressionMethod",
DATATYPE_STRING, true, null,
Arrays.asList(CLibPNGMetadata.iCCP_compressionMethodNames));
addObjectValue("iCCP", byte.class, 0, Integer.MAX_VALUE);
// root -> iTXt
addElement("iTXt", CLibPNGMetadata.nativeMetadataFormatName,
1, Integer.MAX_VALUE);
// root -> iTXt -> iTXtEntry
addElement("iTXtEntry", "iTXt",
CHILD_POLICY_EMPTY);
addAttribute("iTXtEntry", "keyword",
DATATYPE_STRING, true, null);
addBooleanAttribute("iTXtEntry", "compressionFlag",
false, false);
addAttribute("iTXtEntry", "compressionMethod",
DATATYPE_STRING, true, null);
addAttribute("iTXtEntry", "languageTag",
DATATYPE_STRING, true, null);
addAttribute("iTXtEntry", "translatedKeyword",
DATATYPE_STRING, true, null);
addAttribute("iTXtEntry", "text",
DATATYPE_STRING, true, null);
// root -> pHYS
addElement("pHYS", CLibPNGMetadata.nativeMetadataFormatName,
CHILD_POLICY_EMPTY);
addAttribute("pHYS", "pixelsPerUnitXAxis",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_MAX_32, true, true);
addAttribute("pHYS", "pixelsPerUnitYAxis",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_MAX_32, true, true);
addAttribute("pHYS", "unitSpecifier",
DATATYPE_STRING, true, null,
Arrays.asList(CLibPNGMetadata.unitSpecifierNames));
// root -> sBIT
addElement("sBIT", CLibPNGMetadata.nativeMetadataFormatName,
CHILD_POLICY_CHOICE);
// root -> sBIT -> sBIT_Grayscale
addElement("sBIT_Grayscale", "sBIT",
CHILD_POLICY_EMPTY);
addAttribute("sBIT_Grayscale", "gray",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_255, true, true);
// root -> sBIT -> sBIT_GrayAlpha
addElement("sBIT_GrayAlpha", "sBIT",
CHILD_POLICY_EMPTY);
addAttribute("sBIT_GrayAlpha", "gray",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_255, true, true);
addAttribute("sBIT_GrayAlpha", "alpha",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_255, true, true);
// root -> sBIT -> sBIT_RGB
addElement("sBIT_RGB", "sBIT",
CHILD_POLICY_EMPTY);
addAttribute("sBIT_RGB", "red",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_255, true, true);
addAttribute("sBIT_RGB", "green",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_255, true, true);
addAttribute("sBIT_RGB", "blue",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_255, true, true);
// root -> sBIT -> sBIT_RGBAlpha
addElement("sBIT_RGBAlpha", "sBIT",
CHILD_POLICY_EMPTY);
addAttribute("sBIT_RGBAlpha", "red",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_255, true, true);
addAttribute("sBIT_RGBAlpha", "green",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_255, true, true);
addAttribute("sBIT_RGBAlpha", "blue",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_255, true, true);
addAttribute("sBIT_RGBAlpha", "alpha",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_255, true, true);
// root -> sBIT -> sBIT_Palette
addElement("sBIT_Palette", "sBIT",
CHILD_POLICY_EMPTY);
addAttribute("sBIT_Palette", "red",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_255, true, true);
addAttribute("sBIT_Palette", "green",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_255, true, true);
addAttribute("sBIT_Palette", "blue",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_255, true, true);
// root -> sPLT
addElement("sPLT", CLibPNGMetadata.nativeMetadataFormatName,
1, 256);
// root -> sPLT -> sPLTEntry
addElement("sPLTEntry", "sPLT",
CHILD_POLICY_EMPTY);
addAttribute("sPLTEntry", "index",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_255, true, true);
addAttribute("sPLTEntry", "red",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_255, true, true);
addAttribute("sPLTEntry", "green",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_255, true, true);
addAttribute("sPLTEntry", "blue",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_255, true, true);
addAttribute("sPLTEntry", "alpha",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_255, true, true);
// root -> sRGB
addElement("sRGB", CLibPNGMetadata.nativeMetadataFormatName,
CHILD_POLICY_EMPTY);
addAttribute("sRGB", "renderingIntent",
DATATYPE_STRING, true, null,
Arrays.asList(CLibPNGMetadata.renderingIntentNames));
// root -> tEXt
addElement("tEXt", CLibPNGMetadata.nativeMetadataFormatName,
1, Integer.MAX_VALUE);
// root -> tEXt -> tEXtEntry
addElement("tEXtEntry", "tEXt",
CHILD_POLICY_EMPTY);
addAttribute("tEXtEntry", "keyword",
DATATYPE_STRING, true, null);
addAttribute("tEXtEntry", "value",
DATATYPE_STRING, true, null);
// root -> tIME
addElement("tIME", CLibPNGMetadata.nativeMetadataFormatName,
CHILD_POLICY_EMPTY);
addAttribute("tIME", "year",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_MAX_16, true, true);
addAttribute("tIME", "month",
DATATYPE_INTEGER, true, null,
VALUE_1, VALUE_12, true, true);
addAttribute("tIME", "day",
DATATYPE_INTEGER, true, null,
VALUE_1, VALUE_31, true, true);
addAttribute("tIME", "hour",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_23, true, true);
addAttribute("tIME", "minute",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_59, true, true);
addAttribute("tIME", "second",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_60, true, true);
// root -> tRNS
addElement("tRNS", CLibPNGMetadata.nativeMetadataFormatName,
CHILD_POLICY_CHOICE);
// root -> tRNS -> tRNS_Grayscale
addElement("tRNS_Grayscale", "tRNS",
CHILD_POLICY_EMPTY);
addAttribute("tRNS_Grayscale", "gray",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_MAX_16, true, true);
// root -> tRNS -> tRNS_RGB
addElement("tRNS_RGB", "tRNS",
CHILD_POLICY_EMPTY);
addAttribute("tRNS_RGB", "red",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_MAX_16, true, true);
addAttribute("tRNS_RGB", "green",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_MAX_16, true, true);
addAttribute("tRNS_RGB", "blue",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_MAX_16, true, true);
// root -> tRNS -> tRNS_Palette
addElement("tRNS_Palette", "tRNS",
CHILD_POLICY_EMPTY);
addAttribute("tRNS_Palette", "index",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_255, true, true);
addAttribute("tRNS_Palette", "alpha",
DATATYPE_INTEGER, true, null,
VALUE_0, VALUE_255, true, true);
// root -> zTXt
addElement("zTXt", CLibPNGMetadata.nativeMetadataFormatName,
1, Integer.MAX_VALUE);
// root -> zTXt -> zTXtEntry
addElement("zTXtEntry", "zTXt",
CHILD_POLICY_EMPTY);
addAttribute("zTXtEntry", "keyword",
DATATYPE_STRING, true, null);
addAttribute("zTXtEntry", "compressionMethod",
DATATYPE_STRING, true, null,
Arrays.asList(CLibPNGMetadata.zTXt_compressionMethodNames));
addAttribute("zTXtEntry", "text",
DATATYPE_STRING, true, null);
// root -> UnknownChunks
addElement("UnknownChunks", CLibPNGMetadata.nativeMetadataFormatName,
1, Integer.MAX_VALUE);
// root -> UnknownChunks -> UnknownChunk
addElement("UnknownChunk", "UnknownChunks",
CHILD_POLICY_EMPTY);
addAttribute("UnknownChunk", "type",
DATATYPE_STRING, true, null);
addObjectValue("UnknownChunk", byte.class, 0, Integer.MAX_VALUE);
}
public boolean canNodeAppear(String elementName,
ImageTypeSpecifier imageType) {
return true;
}
public static synchronized IIOMetadataFormat getInstance() {
if (instance == null) {
instance = new CLibPNGMetadataFormat();
}
return instance;
}
}