com.easyinnova.implementation_checker.TiffImplementationChecker Maven / Gradle / Ivy
Go to download
Show more of this group Show more artifacts with this name
Show all versions of tiffimplementationchecker Show documentation
Show all versions of tiffimplementationchecker Show documentation
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.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").getCardinality() > 0 && metadata.get("Compression").getFirstNumericValue() == 1 && pixelSize >= 8) {
int calculatedImageLength = 0;
for (int i = 0; i < nsc; i++) {
try {
calculatedImageLength += metadata.get(id).getValue().get(i).toInt();
} catch (Exception e) {
calculatedImageLength = 0;
break;
}
}
long len = 0, wid = 0;
if (metadata.get("ImageLength").getCardinality() > 0) len = metadata.get("ImageLength").getFirstNumericValue();
if (metadata.get("ImageWidth").getCardinality() > 0) wid = metadata.get("ImageWidth").getFirstNumericValue();
if (calculatedImageLength != len * wid * pixelSize / 8) {
tiffIfd.setCorrectStrips(0);
}
}
} else {
tiffIfd.setCorrectStrips(0);
}
TagValue tv = ifd.getTag("StripOffsets");
for (abstractTiffType att : tv.getValue()) {
try {
int offset = Integer.parseInt(att.toString());
if (offset < 7 || offset > fileSize) {
tiffIfd.setCorrectStrips(-1);
}
} catch (Exception e) {
}
}
//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 = 0;
if (metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("ImageWidth")) && metadata.containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("ImageLength")))
if (metadata.get(com.easyinnova.tiff.model.TiffTags.getTagId("ImageWidth")).getCardinality() > 0 && metadata.get(com.easyinnova.tiff.model.TiffTags.getTagId("ImageLength")).getCardinality() > 0)
if (tileWidth > 0 && tileLength > 0)
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").getCardinality() > 0 && 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 evenness = "";
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) evenness = "Uneven";
else evenness = "Even";
}
} catch (Exception ex) {
ex.printStackTrace();
}
}
tiffIfd.setEvenness(evenness);
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 = "";
}
}
String longedge = "0";
if (ifd.getMetadata() != null && ifd.getMetadata().containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("ImageWidth")) && ifd.getMetadata().containsTagId(com.easyinnova.tiff.model.TiffTags.getTagId("ImageLength"))) {
try {
int w = Integer.parseInt(ifd.getMetadata().get("ImageWidth").toString());
int h = Integer.parseInt(ifd.getMetadata().get("ImageLength").toString());
longedge = w > h ? w + "" : h + "";
} catch (Exception ex) {
longedge = "";
}
}
tiffIfd.setPixelDensity(pixeldensity);
tiffIfd.setLongEdge(longedge);
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());
if (com.easyinnova.tiff.model.TiffTags.getTagTypeName(tv.getType()) != null)
tt.setType(com.easyinnova.tiff.model.TiffTags.getTagTypeName(tv.getType()));
else
tt.setType("Unknown");
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;
}
}
© 2015 - 2024 Weber Informatics LLC | Privacy Policy