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Implementation Checker for TIFF
/**
* TiffImplementationChecker.java
This program is free software: you can redistribute
* it and/or modify it under the terms of the GNU General Public License as published by the Free
* Software Foundation, either version 3 of the License, or (at your option) any later version; or,
* at your choice, under the terms of the Mozilla Public License, v. 2.0. SPDX GPL-3.0+ or MPL-2.0+.
*
This program is distributed in the hope that it will be useful, but WITHOUT ANY
* WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
* PURPOSE. See the GNU General Public License and the Mozilla Public License for more details.
* You should have received a copy of the GNU General Public License and the Mozilla Public
* License along with this program. If not, see http://www.gnu.org/licenses/
* and at http://mozilla.org/MPL/2.0 .
NB: for the
* © statement, include Easy Innova SL or other company/Person contributing the code.
©
* 2015 Easy Innova, SL
*
* @author Víctor Muñoz Sola
* @version 1.0
* @since 23/7/2015
*/
package com.easyinnova.implementation_checker;
import com.easyinnova.implementation_checker.model.TiffHeader;
import com.easyinnova.implementation_checker.model.TiffIfd;
import com.easyinnova.implementation_checker.model.TiffIfds;
import com.easyinnova.implementation_checker.model.TiffTag;
import com.easyinnova.implementation_checker.model.TiffTags;
import com.easyinnova.implementation_checker.model.TiffValidationObject;
import com.easyinnova.tiff.model.IfdTags;
import com.easyinnova.tiff.model.Metadata;
import com.easyinnova.tiff.model.Strip;
import com.easyinnova.tiff.model.TagValue;
import com.easyinnova.tiff.model.TiffDocument;
import com.easyinnova.tiff.model.types.IFD;
import com.easyinnova.tiff.model.types.IPTC;
import com.easyinnova.tiff.model.types.Rational;
import com.easyinnova.tiff.model.types.abstractTiffType;
import java.util.ArrayList;
import java.util.HashSet;
import java.util.Hashtable;
import java.util.List;
/**
* Created by easy on 08/03/2016.
*/
public class TiffImplementationChecker {
private TiffDocument tiffDoc;
boolean setITFields = false;
private Hashtable usedOffsetsSizes;
public void setITFields(boolean setITFields) {
this.setITFields = setITFields;
}
public TiffValidationObject CreateValidationObject(TiffDocument tiffDoc) {
this.tiffDoc = tiffDoc;
TiffValidationObject tiffValidate = new TiffValidationObject();
usedOffsetsSizes = new Hashtable<>();
long fileSize = tiffDoc.getSize();
// Generic info
tiffValidate.setSize(tiffDoc.getSize());
String endianess = "none";
if (tiffDoc.getEndianess() != null) endianess = tiffDoc.getEndianess().toString();
tiffValidate.setByteOrder(endianess);
int numberimages = tiffDoc.getImageIfds().size();
tiffValidate.setNumberImages(numberimages);
if (tiffDoc != null && tiffDoc.getIccProfile() != null) {
tiffValidate.setIccProfileClass(tiffDoc.getIccProfile().getProfileClass() + "");
}
// Header
TiffHeader header = new TiffHeader();
header.setByteOrder(tiffDoc.getEndianess() != null ? tiffDoc.getEndianess().toString() : "");
header.setMagicNumber(tiffDoc.getMagicNumber() + "");
header.setOffset(tiffDoc.getFirstIFDOffset());
tiffValidate.setHeader(header);
usedOffsetsSizes.put(0, 8);
// IFDs
IFD ifd = tiffDoc.getFirstIFD();
if (ifd != null) {
usedOffsetsSizes.put(tiffDoc.getFirstIFDOffset(), 4);
}
List ifdsList = new ArrayList();
int n = 1;
HashSet usedOffsets = new HashSet<>();
usedOffsets.add(tiffDoc.getFirstIFDOffset());
boolean circularReference = false;
while (ifd != null) {
ifdsList.add(CreateIFDValidation(ifd, n++, fileSize));
if (usedOffsets.contains(ifd.getNextOffset())) {
circularReference = true;
break;
} else {
usedOffsets.add(ifd.getNextOffset());
}
if (ifd.getNextIFD() != null) {
usedOffsetsSizes.put(ifd.getNextOffset(), 4);
}
ifd = ifd.getNextIFD();
}
TiffIfds ifds = new TiffIfds();
ifds.setCircularReference(circularReference);
ifds.setIfds(ifdsList);
for (TiffIfd ifdNode : ifdsList) {
ifdNode.setParent(ifds.getContext());
}
tiffValidate.setIfds(ifds);
return tiffValidate;
}
public TiffIfd CreateIFDValidation(IFD ifd, int n, long fileSize) {
boolean hasSubIfd = ifd.hasSubIFD();
boolean thumbnail = hasSubIfd && ifd.getsubIFD().getImageSize() > ifd.getImageSize();
IfdTags metadata;
if (!hasSubIfd) {
metadata = ifd.getMetadata();
} else if (!thumbnail) {
metadata = ifd.getMetadata();
} else {
metadata = ifd.getsubIFD().getMetadata();
}
TiffIfd tiffIfd = new TiffIfd();
tiffIfd.setN(n);
tiffIfd.setThumbnail(ifd.isThumbnail() ? 1 : 0);
List tags = new ArrayList();
int prevTagId = -1;
boolean correctTagOrdering = true;
boolean duplicatedTags = false;
boolean correctCompression = true;
boolean correctPhotometricCasuistic = true;
boolean correctYcbcr = true;
HashSet tagIds = new HashSet<>();
for (TagValue tv : ifd.getTags().getTags()) {
try {
if (tv.getId() <= prevTagId) {
correctTagOrdering = false;
}
if (tagIds.contains(tv.getId())) {
duplicatedTags = true;
} else {
tagIds.add(tv.getId());
}
prevTagId = tv.getId();
tags.add(CreateTiffTag(tv, n, fileSize));
usedOffsetsSizes.put(tv.getReadOffset(), tv.getReadlength());
} catch (Exception ex) {
ex.printStackTrace();
}
}
TiffTags tiffTags = new TiffTags();
tiffTags.setTags(tags);
tiffTags.setTagsCount(tags.size());
tiffIfd.setTags(tiffTags);
tiffIfd.setTagOrdering(correctTagOrdering ? 1 : 0);
tiffIfd.setDuplicateTags(duplicatedTags ? 1 : 0);
tiffIfd.setStrips(ifd.hasStrips() ? 1 : 0);
tiffIfd.setTiles(ifd.hasTiles() ? 1 : 0);
tiffIfd.setCorrectStrips(1);
tiffIfd.setCorrectTiles(1);
tiffIfd.setOffset(ifd.getNextOffset());
tiffIfd.setIFD0(n == 1 ? 1 : 0);
// Strips check
if (ifd.hasStrips()) {
int pixelSize = 0;
if (metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("BitsPerSample"))) {
for (int i = 0; i < metadata.get("BitsPerSample").getCardinality(); i++) {
pixelSize += metadata.get("BitsPerSample").getValue().get(i).toInt();
}
} else {
tiffIfd.setCorrectStrips(0);
}
int id = com.easyinnova.tiff.model.TiffTags.getTagId("StripBYTECount");
if (metadata.containsTagId(id) && metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("Compression")) && metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("ImageLength")) && metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("ImageWidth"))) {
int nsc = metadata.get(id).getCardinality();
if (metadata.get("Compression").getFirstNumericValue() == 1 && pixelSize >= 8) {
int calculatedImageLength = 0;
for (int i = 0; i < nsc; i++) {
calculatedImageLength += metadata.get(id).getValue().get(i).toInt();
}
if (calculatedImageLength != metadata.get("ImageLength").getFirstNumericValue()
* metadata.get("ImageWidth").getFirstNumericValue() * pixelSize / 8) {
tiffIfd.setCorrectStrips(0);
}
}
} else {
tiffIfd.setCorrectStrips(0);
}
TagValue tv = ifd.getTag("StripOffsets");
for (abstractTiffType att : tv.getValue()) {
int offset = Integer.parseInt(att.toString());
if (offset < 7 || offset > fileSize) {
tiffIfd.setCorrectStrips(-1);
}
}
//long rps = 1;
//if (metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("RowsPerStrip")))
// rps = metadata.get("RowsPerStrip").getFirstNumericValue();
//long leng = metadata.get(com.easyinnova.tiff.model.TiffTags.getTagId("ImageLength")).getFirstNumericValue();
//int nstrips = (int)Math.ceil((double)leng / rps);
//if (nstrips != nsc)
// tiffIfd.setCorrectStrips(0);
}
// Tiles check
if (ifd.hasTiles()) {
if (metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("TileLength")) &&
metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("TileWidth")) &&
metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("ImageWidth")) &&
metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("ImageLength")) &&
metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("PlanarConfiguration")) &&
metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("SamplesPerPixel"))) {
long tileLength = metadata.get(com.easyinnova.tiff.model.TiffTags.getTagId("TileLength")).getFirstNumericValue();
long tileWidth = metadata.get(com.easyinnova.tiff.model.TiffTags.getTagId("TileWidth")).getFirstNumericValue();
long tilesPerImage =
((metadata.get(com.easyinnova.tiff.model.TiffTags.getTagId("ImageWidth")).getFirstNumericValue() + tileWidth - 1) / tileWidth)
* ((metadata.get(com.easyinnova.tiff.model.TiffTags.getTagId("ImageLength")).getFirstNumericValue() + tileLength - 1) / tileLength);
// Check Plannar Configuration
int id = com.easyinnova.tiff.model.TiffTags.getTagId("PlanarConfiguration");
int idspp = com.easyinnova.tiff.model.TiffTags.getTagId("SamplesPerPixel");
if (metadata.containsTagId(id) && metadata.containsTagId(idspp)) {
long planar = metadata.get(id).getFirstNumericValue();
long spp = metadata.get(idspp).getFirstNumericValue();
if (planar == 2) {
long spp_tpi = spp * tilesPerImage;
if (ifd.getImageTiles().getTiles().size() < spp_tpi) {
tiffIfd.setCorrectTiles(0);
}
}
}
TagValue tv = ifd.getTag("TileOffsets");
for (abstractTiffType att : tv.getValue()) {
int offset = Integer.parseInt(att.toString());
if (offset < 7 || offset > fileSize) {
tiffIfd.setCorrectTiles(-1);
}
}
} else {
tiffIfd.setCorrectTiles(0);
}
}
// Check pixel samples bits
if (metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("BitsPerSample"))
&& metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("SamplesPerPixel"))) {
boolean correctExtraSamples = true;
boolean onlyNecessaryExtraSamples = true;
boolean validBitsPerSample = true;
boolean equalBitsPerSampleValues = true;
int bps = metadata.get(com.easyinnova.tiff.model.TiffTags.getTagId("BitsPerSample")).getValue().size();
if (metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("ExtraSamples"))) {
int ext = metadata.get(com.easyinnova.tiff.model.TiffTags.getTagId("ExtraSamples")).getValue().size();
if (ext + 3 != bps) {
correctExtraSamples = false;
} else if (ext > 0 && bps <= 3) {
onlyNecessaryExtraSamples = false;
}
}
if (bps > 1) {
TagValue lbps = metadata.get(com.easyinnova.tiff.model.TiffTags.getTagId("BitsPerSample"));
if (lbps == null || lbps.getValue() == null) {
validBitsPerSample = false;
} else {
boolean distinct_bps_samples = false;
for (int i = 1; i < lbps.getCardinality(); i++) {
if (lbps.getValue().get(i).toInt() != lbps.getValue().get(i - 1).toInt())
distinct_bps_samples = true;
}
if (distinct_bps_samples)
equalBitsPerSampleValues = false;
}
}
// Check correct compression
if (metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("Compression")) && metadata.get("Compression").getFirstNumericValue() == 1) {
if (metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("CompressedBitsPerPixel"))) {
correctCompression = false;
}
}
// Check photometric casuistic
if (metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("PhotometricInterpretation")) && metadata.get("PhotometricInterpretation").getCardinality() > 0) {
int photo = (int) metadata.get("PhotometricInterpretation").getFirstNumericValue();
if (photo != 6) {
if (metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("YCbCrCoefficients")))
correctPhotometricCasuistic = false;
if (metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("YCbCrSubSampling")))
correctPhotometricCasuistic = false;
if (metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("YCbCrPositioning")))
correctPhotometricCasuistic = false;
if (metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("ReferenceBlackWhite")))
correctPhotometricCasuistic = false;
}
long spp = 0;
if (metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("SamplesPerPixel")) && metadata.get("SamplesPerPixel").getCardinality() > 0)
spp = metadata.get("SamplesPerPixel").getFirstNumericValue();
if (photo == 2 || photo == 3) {
if (spp != 3) {
correctPhotometricCasuistic = false;
}
} else if (photo == 1 || photo == 32803) {
if (spp != 1) {
correctPhotometricCasuistic = false;
}
if (photo == 32803) {
if (!metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("CFARepeatPatternDim")))
correctPhotometricCasuistic = false;
else if (metadata.get("CFARepeatPatternDim").getCardinality() != 2)
correctPhotometricCasuistic = false;
if (!metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("CFAPattern")))
correctPhotometricCasuistic = false;
}
}
} else {
correctPhotometricCasuistic = false;
}
// Check YcbCr
int nycbcr = 0;
if (metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("YCbCrCoefficients")))
nycbcr++;
if (metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("YCbCrSubSampling")))
nycbcr++;
if (metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("YCbCrPositioning")))
nycbcr++;
if (metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("ReferenceBlackWhite")))
nycbcr++;
if (nycbcr > 0 && nycbcr != 4) {
if (!metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("CFARepeatPatternDim")))
correctYcbcr = false;
else if (metadata.get("CFARepeatPatternDim").getCardinality() != 3)
correctPhotometricCasuistic = false;
if (!metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("YCbCrSubSampling")))
correctYcbcr = false;
else if (metadata.get("YCbCrSubSampling").getCardinality() != 2)
correctPhotometricCasuistic = false;
if (!metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("YCbCrPositioning")))
correctYcbcr = false;
else if (metadata.get("YCbCrPositioning").getCardinality() != 1)
correctPhotometricCasuistic = false;
if (!metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("ReferenceBlackWhite")))
correctYcbcr = false;
else if (metadata.get("ReferenceBlackWhite").getCardinality() != 6)
correctPhotometricCasuistic = false;
}
if (thumbnail) {
if (metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("YCbCrCoefficients")))
correctYcbcr = false;
if (metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("YCbCrSubSampling")))
correctYcbcr = false;
if (metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("YCbCrPositioning")))
correctYcbcr = false;
if (metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("ReferenceBlackWhite")))
correctYcbcr = false;
}
// IT Fields
if (setITFields) {
setITFields(ifd, tiffIfd);
}
tiffIfd.setCorrectExtraSamples(correctExtraSamples ? 1 : 0);
tiffIfd.setOnlyNecessaryExtraSamples(onlyNecessaryExtraSamples ? 1 : 0);
tiffIfd.setValidBitsPerSample(validBitsPerSample ? 1 : 0);
tiffIfd.setEqualBitsPerSampleValues(equalBitsPerSampleValues ? 1 : 0);
tiffIfd.setCorrectCompression(correctCompression ? 1 : 0);
tiffIfd.setCorrectPhotometricCasuistic(correctPhotometricCasuistic ? 1 : 0);
tiffIfd.setCorrectYcbcr(correctYcbcr ? 1 : 0);
}
// Check image type
if (metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("PhotometricInterpretation")) && metadata.get(com.easyinnova.tiff.model.TiffTags.getTagId("PhotometricInterpretation")).getCardinality() > 0) {
int photometric = (int) metadata.get(com.easyinnova.tiff.model.TiffTags.getTagId("PhotometricInterpretation")).getFirstNumericValue();
switch (photometric) {
case 0:
case 1:
if (!metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("BitsPerSample"))
|| metadata.get(com.easyinnova.tiff.model.TiffTags.getTagId("BitsPerSample")).getCardinality() == 0
|| metadata.get(com.easyinnova.tiff.model.TiffTags.getTagId("BitsPerSample")).getFirstNumericValue() == 1) {
tiffIfd.setType("Bilevel");
} else {
tiffIfd.setType("Grayscale");
}
break;
case 2:
tiffIfd.setType("RGB");
break;
case 3:
tiffIfd.setType("Palette");
break;
case 4:
tiffIfd.setType("Transparency");
break;
case 5:
tiffIfd.setType("CMYK");
break;
case 6:
tiffIfd.setType("YCbCr");
break;
case 8:
case 9:
case 10:
tiffIfd.setType("CIELab");
break;
}
}
// Policy fields
if (ifd.getMetadata() != null && ifd.getMetadata().get("BitsPerSample") != null) {
String bps = ifd.getMetadata().get("BitsPerSample").toString();
tiffIfd.setBitDepth(bps);
}
String eqxy = "True";
if (ifd.getTags().containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("XResolution")) && ifd.getTags().containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("YResolution"))) {
if (!ifd.getTag("XResolution").toString().equals(ifd.getTag("YResolution").toString()))
eqxy = "False";
}
tiffIfd.setEqualXYResolution(eqxy);
String dpi = "";
if (ifd.getTags().containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("XResolution")) && ifd.getTags().containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("YResolution"))
&& ifd.getTag("XResolution").getValue().size() > 0 && ifd.getTag("YResolution").getValue().size() > 0) {
try {
abstractTiffType rx = ifd.getTag("XResolution").getValue().get(0);
abstractTiffType ry = ifd.getTag("YResolution").getValue().get(0);
if (rx instanceof Rational && ry instanceof Rational) {
Rational ratx = (Rational) rx;
Rational raty = (Rational) ry;
int xres = (int) ratx.getFloatValue();
int yres = (int) raty.getFloatValue();
if (xres % 2 != 0 || yres % 2 != 0) dpi = "Uneven";
else dpi = "Even";
}
} catch (Exception ex) {
ex.printStackTrace();
}
}
tiffIfd.setDpi(dpi);
String extra = "0";
if (ifd.getTags().containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("ExtraSamples")))
extra = ifd.getTag("ExtraSamples").getCardinality() + "";
tiffIfd.setExtraChannels(extra);
String pixeldensity = "0";
if (ifd.getMetadata() != null && ifd.getMetadata().containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("ResolutionUnit")) && ifd.getMetadata().containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("XResolution"))) {
try {
double ru = Double.parseDouble(ifd.getMetadata().get("ResolutionUnit").toString());
String xres = ifd.getMetadata().get("XResolution").toString();
double num = Double.parseDouble(xres.substring(0, xres.indexOf("/")));
double den = Double.parseDouble(xres.substring(xres.indexOf("/") + 1));
double xr = num / den;
double ppi;
if (ru == 2) ppi = xr;
else ppi = xr / 0.3937;
pixeldensity = ppi + "";
} catch (Exception ex) {
pixeldensity = "";
}
}
tiffIfd.setPixelDensity(pixeldensity);
return tiffIfd;
}
void setITFields(IFD ifd, TiffIfd tiffIfd) {
IfdTags metadata = ifd.getMetadata();
int sft = -1;
int photo = -1;
int bps = -1;
int planar = -1;
int comp = -1;
if (metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("SubfileType")) && metadata.get(com.easyinnova.tiff.model.TiffTags.getTagId("SubfileType")).getCardinality() > 0) {
sft = (int) metadata.get(com.easyinnova.tiff.model.TiffTags.getTagId("SubfileType")).getFirstNumericValue();
}
if (metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("Compression")) && metadata.get(com.easyinnova.tiff.model.TiffTags.getTagId("Compression")).getCardinality() > 0) {
comp = (int) metadata.get(com.easyinnova.tiff.model.TiffTags.getTagId("Compression")).getFirstNumericValue();
}
if (metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("PhotometricInterpretation")) && metadata.get(com.easyinnova.tiff.model.TiffTags.getTagId("PhotometricInterpretation")).getCardinality() > 0) {
photo = (int) metadata.get(com.easyinnova.tiff.model.TiffTags.getTagId("PhotometricInterpretation")).getFirstNumericValue();
}
if (metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("BitsPerSample"))) {
TagValue tv = metadata.get(com.easyinnova.tiff.model.TiffTags.getTagId("BitsPerSample"));
if (tv.getCardinality() > 0) {
bps = (int) tv.getFirstNumericValue();
}
}
if (metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("PlanarConfiguration")) && metadata.get(com.easyinnova.tiff.model.TiffTags.getTagId("PlanarConfiguration")).getCardinality() > 0) {
planar = (int) metadata.get(com.easyinnova.tiff.model.TiffTags.getTagId("PlanarConfiguration")).getFirstNumericValue();
}
// Determination of TIFF/IT file type
if (sft == 1 || sft == -1) {
if (comp == 1 || comp == 32895) {
if (photo == 5) {
if (planar == 1) {
tiffIfd.setFiletype("ct");
} else if (planar == 32768) {
tiffIfd.setFiletype("ct");
} else if (planar == 2) {
if (bps > 1) {
tiffIfd.setFiletype("ct");
} else if (bps == 1) {
tiffIfd.setFiletype("sd");
}
}
} else if (photo == 2) {
if (planar == 1) {
tiffIfd.setFiletype("ct");
} else if (planar == 32768) {
tiffIfd.setFiletype("ct");
} else if (planar == 2) {
tiffIfd.setFiletype("ct");
}
} else if (photo == 8) {
if (planar == 1) {
tiffIfd.setFiletype("ct");
} else if (planar == 32768) {
tiffIfd.setFiletype("ct");
} else if (planar == 2) {
tiffIfd.setFiletype("ct");
}
} else if (photo == 0 || photo == 1) {
if (bps == 1) {
tiffIfd.setFiletype("bp");
} else if (bps > 1) {
tiffIfd.setFiletype("mp");
}
}
} else if (comp == 4) {
if (photo == 0 || photo == 1) {
tiffIfd.setFiletype("bp");
} else if (photo == 5) {
tiffIfd.setFiletype("sd");
}
} else if (comp == 7) {
if (photo == 5) {
if (planar == 1) {
tiffIfd.setFiletype("ct");
}
} else if (photo == 2) {
if (planar == 1) {
tiffIfd.setFiletype("ct");
}
} else if (photo == 6) {
if (planar == 1) {
tiffIfd.setFiletype("ct");
}
} else if (photo == 8) {
if (planar == 1) {
tiffIfd.setFiletype("ct");
}
} else if (photo == 0 || photo == 1) {
if (bps > 1) {
tiffIfd.setFiletype("mp");
}
}
} else if (comp == 8) {
if (photo == 5) {
if (planar == 1) {
tiffIfd.setFiletype("ct");
} else if (planar == 32768) {
tiffIfd.setFiletype("ct");
} else if (planar == 2) {
if (bps > 1) {
tiffIfd.setFiletype("ct");
} else if (bps == 1) {
tiffIfd.setFiletype("sd");
}
}
} else if (photo == 2) {
if (planar == 1) {
tiffIfd.setFiletype("ct");
} else if (planar == 32768) {
tiffIfd.setFiletype("ct");
} else if (planar == 2) {
tiffIfd.setFiletype("ct");
}
} else if (photo == 8) {
if (planar == 1) {
tiffIfd.setFiletype("ct");
} else if (planar == 32768) {
tiffIfd.setFiletype("ct");
} else if (planar == 2) {
tiffIfd.setFiletype("ct");
}
} else if (photo == 0 || photo == 1) {
if (bps == 1) {
tiffIfd.setFiletype("bp");
} else if (bps > 1) {
tiffIfd.setFiletype("mp");
}
}
} else if (comp == 32896) {
tiffIfd.setFiletype("lw");
} else if (comp == 32897) {
tiffIfd.setFiletype("hc");
} else if (comp == 32898) {
tiffIfd.setFiletype("bp");
} else if (((sft >> 3) & 1) == 1) {
tiffIfd.setFiletype("fp");
}
}
if (tiffIfd.getFiletype().equals("ct")) {
boolean rgb =
metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("PhotometricInterpretation"))
&& metadata.get(com.easyinnova.tiff.model.TiffTags.getTagId("PhotometricInterpretation")).getFirstNumericValue() == 2;
boolean lab =
metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("PhotometricInterpretation"))
&& metadata.get(com.easyinnova.tiff.model.TiffTags.getTagId("PhotometricInterpretation")).getFirstNumericValue() == 8;
if (rgb) {
tiffIfd.setImgtype("rgb");
} else if (lab) {
tiffIfd.setImgtype("lab");
} else {
tiffIfd.setImgtype("norgblab");
}
}
}
TiffIfd createIfdNode(TagValue tv, String nodeName, long fileSize) {
TiffIfd ifd = new TiffIfd();
ifd.setThumbnail(-1);
List tags = new ArrayList();
int prevTagId = -1;
boolean correctTagOrdering = true;
boolean duplicatedTags = false;
HashSet tagIds = new HashSet<>();
if (tv.getValue().size() > 0) {
abstractTiffType obj = tv.getValue().get(0);
if (obj instanceof IFD) {
IFD exif = (IFD) obj;
for (TagValue tvv : exif.getTags().getTags()) {
if (tvv.getId() <= prevTagId) {
correctTagOrdering = false;
}
if (tagIds.contains(tvv.getId())) {
duplicatedTags = true;
} else {
tagIds.add(tvv.getId());
}
prevTagId = tvv.getId();
tags.add(CreateTiffTag(tvv, 0, fileSize));
}
TiffTags tiffTags = new TiffTags();
tiffTags.setTagsCount(tags.size());
tiffTags.setTags(tags);
ifd.setTags(tiffTags);
ifd.setTagOrdering(correctTagOrdering ? 1 : 0);
ifd.setDuplicateTags(duplicatedTags ? 1 : 0);
ifd.setClassElement(nodeName);
return ifd;
}
}
return null;
}
boolean checkOffsetOverlapped(int offset, int length) {
for (Integer usedOffset : usedOffsetsSizes.keySet()) {
int size = usedOffsetsSizes.get(usedOffset);
if (offset >= usedOffset && offset < usedOffset + size)
return true;
if (offset + length > usedOffset && offset + length < usedOffset + size)
return true;
if (usedOffset >= offset && usedOffset < offset + length)
return true;
if (usedOffset + size > offset && usedOffset + size < offset + length)
return true;
}
return false;
}
public TiffTag CreateTiffTag(TagValue tv, int parentIfd, long fileSize) {
TiffTag tt = new TiffTag();
tt.setId(tv.getId());
if (tv.getId() > 32767) tt.setPrivateTag("private");
tt.setName(tv.getName());
tt.setCardinality(tv.getCardinality());
tt.setType(com.easyinnova.tiff.model.TiffTags.getTagTypeName(tv.getType()));
try {
if (tt.getType().equals("ASCII")) {
boolean ascii7ok = true;
for (abstractTiffType a : tv.getValue()) {
boolean isSet = (a.toByte() & (1 << 8)) != 0;
if (isSet) {
ascii7ok = false;
break;
}
}
tt.setAsci7(ascii7ok);
}
} catch (Exception ex) {
}
tt.setOffset(tv.getReadOffset());
if (usedOffsetsSizes.get(tv.getReadOffset()) != null) {
tt.setUsedOffset(true);
} else {
tt.setOffsetOverlap(checkOffsetOverlapped(tv.getReadOffset(), tv.getReadlength()));
usedOffsetsSizes.put(tv.getReadOffset(), tv.getReadlength());
}
if (tt.getType() != null && tt.getType().equals("ASCII")) {
if (tv.getCardinality() > 0) {
tt.setLastByte(tv.getValue().get(tv.getCardinality() - 1).toByte());
boolean duplicatedNuls = false;
for (int i = 1; i < tv.getCardinality(); i++) {
if (tv.getValue().get(i).toByte() == 0 && tv.getValue().get(i - 1).toByte() == 0) {
duplicatedNuls = true;
}
}
tt.setDuplicatedNuls(duplicatedNuls);
}
}
if (tv.getId() == 34665) {
// EXIF
TiffIfd ifd = createIfdNode(tv, "exif", fileSize);
if (ifd != null)
tt.setExif(ifd);
} else if (tv.getId() == 330) {
// SubIFD
TiffIfd ifd = CreateIFDValidation((IFD) tv.getValue().get(0), -parentIfd, fileSize);
//TiffIfd ifd = createIfdNode(tv, "image");
tt.setIfd(ifd);
} else if (tv.getId() == 400) {
// GlobalParametersIFD
TiffIfd ifd = createIfdNode(tv, "globalparameters", fileSize);
if (ifd != null)
tt.setGlobalParameters(ifd);
} else if (tv.getId() == 700) {
// XMP
} else if (tv.getId() == 33723) {
// IPTC
try {
IPTC iptc = (IPTC) tv.getValue().get(0);
Hashtable keyvalues = new Hashtable();
Metadata meta = iptc.createMetadata();
for (String key : meta.keySet()) {
keyvalues.put(key, meta.get(key).toString().replaceAll("\\p{C}", "?"));
}
tt.setIptc(keyvalues);
} catch (Exception ex) {
}
} else {
try {
tt.setValue(tv.toString().replaceAll("\\p{C}", "?"));
} catch (Exception ex) {
tv.toString();
ex.toString();
}
}
return tt;
}
}
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