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xmp.js
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xmp.js
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/* This Source Code Form is subject to the terms of the Mozilla Public
* License, v. 2.0. If a copy of the MPL was not distributed with this
* file, You can obtain one at https://mozilla.org/MPL/2.0/.
*
* This Source Code Form is "Incompatible With Secondary Licenses", as
* defined by the Mozilla Public License, v. 2.0.
*/
/*
* Interpreter for XML XMP data.
*/
function xmpClass() {
// Parses and reads through the XMP document within the file.
this.parseXML = function (dataObj, xml) {
const parser = new DOMParser();
const utf8decoder = new TextDecoder('utf-8');
let xmlString = utf8decoder.decode(xml);
if (xmlString.indexOf('>') < xmlString.indexOf('<')) {
// We are probably missing the first character("<") in xmp data. This dirty fix which apparently usually works...
xmlString = '<' + xmlString; // But do xIFr have an addressing bug, or or is it an error in the image file???
pushWarning(dataObj, "[xmp]", "Addressing/offset error when trying to read XMP, but was able to recover from it(?)...");
}
let packetEnd = xmlString.indexOf('<?xpacket end="w"?>');
if (packetEnd === -1) {
packetEnd = xmlString.indexOf("<?xpacket end='w'?>");
}
if (packetEnd >= 0) {
xmlString = xmlString.substring(0, packetEnd + 19); // Ignore any content after packetEnd
}
// There is at least one program which includes a null byte at the end of the document.
// The parser doesn't like this, so shorten the length by one byte of the last one is null.
if (xmlString?.length && xmlString.charCodeAt(xmlString.length - 1) === 0) {
xmlString = xmlString.substring(0, xmlString.length - 1);
}
context.info("xmp xmlString (length=" + xmlString.length + ") :\n" + xmlString);
// console.log("xmp xmlString (length=" + xmlString.length + ") :\n" + xmlString);
const dom = parser.parseFromString(xmlString, 'application/xml'); // alternatively "text/xml" ?
if (dom.documentElement.nodeName === 'parsererror') {
console.error("xIFr: Error parsing XML");
context.debug("xIFr: Error parsing XML - xmp xmlString: \n" + xmlString);
throw ("Error parsing XMP in parseXML()");
// pushError(dataObj, "[xmp]", ex);
// return;
}
let val;
val = getXMPValue(dom, "https://ns.adobe.com/photoshop/1.0/", "Credit");
if (val) {
dataObj.Creditline = val;
// Might be used by Google Image Search
}
// Creators come in an ordered list. Get them all.
val = getXMPOrderedArray(dom, "https://purl.org/dc/elements/1.1/", "creator", "").filter( item => item?.trim()); // filter skips empty values
if (val?.length) {
dataObj.Creator = val.join("; "); // todo: Make a Set and handle later like Software or Keywords?
// Might be used by Google Image Search
}
const contactInfo = dom.getElementsByTagNameNS("https://iptc.org/std/Iptc4xmpCore/1.0/xmlns/", "CreatorContactInfo");
if (contactInfo.length) {
// https://www.iptc.org/std/photometadata/specification/IPTC-PhotoMetadata-2019.1.html#metadata-structures
let adr = getSubvalues(contactInfo[0], "https://iptc.org/std/Iptc4xmpCore/1.0/xmlns/", "CiAdrExtadr");
if (!adr) {
adr = contactInfo[0].getAttributeNS("https://iptc.org/std/Iptc4xmpCore/1.0/xmlns/", "CiAdrExtadr");
}
if (adr) dataObj.CreatorAddress = adr;
let city = getSubvalues(contactInfo[0], "https://iptc.org/std/Iptc4xmpCore/1.0/xmlns/", "CiAdrCity");
if (!city) {
city = contactInfo[0].getAttributeNS("https://iptc.org/std/Iptc4xmpCore/1.0/xmlns/", "CiAdrCity");
}
if (city) dataObj.CreatorCity = city;
let region = getSubvalues(contactInfo[0], "https://iptc.org/std/Iptc4xmpCore/1.0/xmlns/", "CiAdrRegion");
if (!region) {
region = contactInfo[0].getAttributeNS("https://iptc.org/std/Iptc4xmpCore/1.0/xmlns/", "CiAdrRegion");
}
if (region) dataObj.CreatorRegion = region;
let postalcode = getSubvalues(contactInfo[0], "https://iptc.org/std/Iptc4xmpCore/1.0/xmlns/", "CiAdrPcode");
if (!postalcode) {
postalcode = contactInfo[0].getAttributeNS("https://iptc.org/std/Iptc4xmpCore/1.0/xmlns/", "CiAdrPcode");
}
if (postalcode) dataObj.CreatorPostalCode = postalcode;
let country = getSubvalues(contactInfo[0], "https://iptc.org/std/Iptc4xmpCore/1.0/xmlns/", "CiAdrCtry");
if (!country) {
country = contactInfo[0].getAttributeNS("https://iptc.org/std/Iptc4xmpCore/1.0/xmlns/", "CiAdrCtry");
}
if (country) dataObj.CreatorCountry = country;
let phoneNumbers = getSubvalues(contactInfo[0], "https://iptc.org/std/Iptc4xmpCore/1.0/xmlns/", "CiTelWork");
if (!phoneNumbers) {
phoneNumbers = contactInfo[0].getAttributeNS("https://iptc.org/std/Iptc4xmpCore/1.0/xmlns/", "CiTelWork");
}
if (phoneNumbers) dataObj.CreatorPhoneNumbers = phoneNumbers;
let emails = getSubvalues(contactInfo[0], "https://iptc.org/std/Iptc4xmpCore/1.0/xmlns/", "CiEmailWork");
if (!emails) {
emails = contactInfo[0].getAttributeNS("https://iptc.org/std/Iptc4xmpCore/1.0/xmlns/", "CiEmailWork");
}
if (emails) dataObj.CreatorEmails = emails;
let urls = getSubvalues(contactInfo[0], "https://iptc.org/std/Iptc4xmpCore/1.0/xmlns/", "CiUrlWork");
if (!urls) {
urls = contactInfo[0].getAttributeNS("https://iptc.org/std/Iptc4xmpCore/1.0/xmlns/", "CiUrlWork");
}
if (urls) dataObj.CreatorURLs = urls;
}
val = getXMPOrderedArray(dom, "https://iptc.org/std/Iptc4xmpExt/2008-02-29/", "PersonInImage", "").filter( item => item?.trim()); // filter skips empty values
if (val?.length) {
dataObj.Depicted = new Set(val);
}
// There's also an "PersonInImageWDetails": https://www.iptc.org/std/photometadata/specification/IPTC-PhotoMetadata#person-shown-in-the-image
// DigitalSourceType:
// https://iptc.org/std/photometadata/specification/IPTC-PhotoMetadata#digital-source-type
// https://iptc.org/std/photometadata/specification/iptc-pmd-techreference_2022.1.json
// https://cv.iptc.org/newscodes/digitalsourcetype/
const digitalSourceTypeMap = new Map(Object.entries({
"https://cv.iptc.org/newscodes/digitalsourcetype/digitalCapture" : {
name: "Original digital capture sampled from real life",
def: "The digital media is captured from a real-life source using a digital camera or digital recording device"},
"https://cv.iptc.org/newscodes/digitalsourcetype/negativeFilm" : {
name: "Digitised from a negative on film",
def: "The digital image was digitised from a negative on film or any other transparent medium"
},
"https://cv.iptc.org/newscodes/digitalsourcetype/positiveFilm" : {
name: "Digitised from a positive on film",
def: "The digital image was digitised from a positive on a transparency or any other transparent medium"
},
"https://cv.iptc.org/newscodes/digitalsourcetype/print" : {
name: "Digitised from a print on non-transparent medium",
def: "The digital image was digitised from an image printed on a non-transparent medium"
},
"https://cv.iptc.org/newscodes/digitalsourcetype/minorHumanEdits" : {
name: "Original media with minor human edits",
def: "Minor augmentation or correction by a human, such as a digitally-retouched photo used in a magazine"
},
"https://cv.iptc.org/newscodes/digitalsourcetype/compositeCapture" : {
name: "Composite of captured elements",
def: "Mix or composite of several elements that are all captures of real life"
},
"https://cv.iptc.org/newscodes/digitalsourcetype/algorithmicallyEnhanced" : {
name: "Algorithmically-enhanced media",
def: "Minor augmentation or correction by algorithm"
},
"https://cv.iptc.org/newscodes/digitalsourcetype/dataDrivenMedia" : {
name: "Data-driven media",
def: "Digital media representation of data via human programming or creativity"
},
"https://cv.iptc.org/newscodes/digitalsourcetype/digitalArt" : {
name: "Digital art",
def: "Media created by a human using digital tools"
},
"https://cv.iptc.org/newscodes/digitalsourcetype/virtualRecording" : {
name: "Virtual recording",
def: "Live recording of virtual event based on synthetic and optionally captured elements"
},
"https://cv.iptc.org/newscodes/digitalsourcetype/compositeSynthetic" : {
name: "Composite including synthetic elements",
def: "Mix or composite of several elements, at least one of which is synthetic"
},
"https://cv.iptc.org/newscodes/digitalsourcetype/trainedAlgorithmicMedia" : {
name: "Composite with trained algorithmic media",
def: "The compositing of trained algorithmic media with some other media, such as with inpainting or outpainting operations"
},
"https://cv.iptc.org/newscodes/digitalsourcetype/algorithmicMedia" : {
name: "Pure algorithmic media",
def: "Media created purely by an algorithm not based on any sampled training data, e.g. an image created by software using a mathematical formula"
},
"https://cv.iptc.org/newscodes/digitalsourcetype/softwareImage" : { // deprecated
name: "Created by software",
def: "The digital image was created by computer software"
}
}));
val = getXMPValue(dom, "https://iptc.org/std/Iptc4xmpExt/2008-02-29/", "DigitalSourceType");
if (val) {
dataObj.DigitalSourceType = digitalSourceTypeMap.get(val)?.name || val;
}
val = getXMPValue(dom, "https://ns.adobe.com/photoshop/1.0/", "City");
if (val) {
dataObj.City = val;
}
val = getXMPValue(dom, "https://iptc.org/std/Iptc4xmpCore/1.0/xmlns/", "Location");
if (val) {
dataObj.Sublocation = val;
}
val = getXMPValue(dom, "https://ns.adobe.com/photoshop/1.0/", "State");
if (val) {
dataObj.ProvinceState = val;
}
val = getXMPValue(dom, "https://ns.adobe.com/photoshop/1.0/", "Country");
if (val) {
dataObj.CountryName = val;
}
val = getXMPValue(dom, "https://ns.adobe.com/photoshop/1.0/", "Headline");
if (val) {
dataObj.Headline = val;
}
val = getXMPValue(dom, "https://ns.adobe.com/photoshop/1.0/", "Instructions");
if (val) {
dataObj.Instructions = val;
}
// only use if not already set
if (!dataObj.Software) {
val = getXMPValue(dom, "https://ns.adobe.com/xap/1.0/", "CreatorTool");
if (val) {
dataObj.Software = val;
}
}
val = getXMPOrderedArray(dom, "https://ns.adobe.com/xap/1.0/mm/", "History", "https://ns.adobe.com/xap/1.0/sType/ResourceEvent#", "softwareAgent").filter( item => item?.trim()); // filter skips empty values
if (val?.length) {
if (!dataObj.Software) {
dataObj.Software = val[val.length - 1]; // [length-1] = Last is the last used ?
}
dataObj.AdditionalSoftware = [...(new Set(val.filter(s => s !== dataObj.Software)))]; // Might become an empty array
}
val = getXMPValue(dom, "https://ns.adobe.com/xap/1.0/mm/", "PreservedFileName");
if (val) {
dataObj.PreservedFileName = val;
}
const lang = fxifUtils.getLang();
// Build a regular expression to be used to test the language
// alternatives available in the XMP.
const langTest = new RegExp("^" + lang.match(/^[a-z]{2,3}/i), "i");
if (!dataObj.Headline) {
val = getXMPAltValue(dom, "https://purl.org/dc/elements/1.1/", "title", langTest);
if (val) {
dataObj.Headline = val;
}
}
// val = getXMPAltValue(dom, "dc:description", langTest);
val = getXMPAltValue(dom, "https://purl.org/dc/elements/1.1/", "description", langTest);
if (val) {
dataObj.Caption = val;
}
val = getXMPAltValue(dom, "https://purl.org/dc/elements/1.1/", "rights", langTest);
if (val) {
dataObj.Copyright = val;
// Might be used by Google Image Search
}
val = getXMPValue(dom, "https://ns.adobe.com/xap/1.0/rights/", "WebStatement"); // License URL used by Google Image Search
if (val) {
dataObj.LicenseURL = val;
} else {
val = getXMPValue(dom, "https://creativecommons.org/ns#", "license"); // License URL
if (val) {
dataObj.LicenseURL = val;
}
}
val = getXMPAltValue(dom, "https://ns.adobe.com/xap/1.0/rights/", "UsageTerms", langTest); // Written terms (but might be or include license URL?)
if (val && !dataObj.LicenseURL || val && val !== dataObj.LicenseURL) {
dataObj.UsageTerms = val;
}
// TODO investigations and experiments...
// val = getXMPOrderedArray(dom, "https://ns.useplus.org/ldf/xmp/1.0/", "ImageCreator", "https://ns.useplus.org/ldf/xmp/1.0/", "ImageCreatorName").filter( item => item && item.trim()); // filter skips empty values
// if (val.length) {
// const values = [...(new Set(val.filter(s => s !== dataObj.ImageCreatorName)))]; // Might become an empty array
// if (values.length) {
// dataObj.TESTImageCreatorName = values[0];
// }
// }
// val = getXMPOrderedArray(dom, "https://ns.useplus.org/ldf/xmp/1.0/", "CopyrightOwner", "https://ns.useplus.org/ldf/xmp/1.0/", "CopyrightOwnerName").filter( item => item && item.trim());
// if (val.length) {
// const values = [...(new Set(val.filter(s => s !== dataObj.CopyrightOwnerName)))]; // Might become an empty array
// if (values.length) {
// dataObj.TESTCopyrightOwnerName = values[0];
// }
// }
// val = getXMPOrderedArray(dom, "https://ns.useplus.org/ldf/xmp/1.0/", "Licensor", "https://ns.useplus.org/ldf/xmp/1.0/", "LicensorName").filter( item => item && item.trim());
// if (val.length) {
// const values = [...(new Set(val.filter(s => s !== dataObj.LicensorName)))]; // Might become an empty array.
// if (values.length) {
// dataObj.TESTLicensorName = values[0];
// // Where or with whom to get the license
// }
// }
// val = getXMPOrderedArray(dom, "https://ns.useplus.org/ldf/xmp/1.0/", "Licensor", "https://ns.useplus.org/ldf/xmp/1.0/", "LicensorURL").filter( item => item && item.trim());
// if (val.length) {
// const values = [...(new Set(val.filter(s => s !== dataObj.LicensorURL)))]; // Might become an empty array.
// if (values.length) {
// dataObj.TESTLicensorURL = values[0];
// // Licensor URL => "How to license URL"/"Licensing URL" (NOT THE license URL!)
// // Might be used by Google Image Search
// }
// }
// Subjects (keywords) comes in a list/set. Get them all.
val = getXMPOrderedArray(dom, "https://purl.org/dc/elements/1.1/", "subject", "").filter( item => item?.trim()); // filter skips empty values
if (val?.length) {
dataObj.Keywords = new Set(val); // todo: If already set by iptc, make sure we have same or more keywords!
}
// XMP:EXIF
val = getXMPValue(dom, "https://ns.adobe.com/tiff/1.0/", "Make");
if (val) {
dataObj.Make = val;
}
val = getXMPValue(dom, "https://ns.adobe.com/tiff/1.0/", "Model");
if (val) {
dataObj.Model = val;
}
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/aux/", "Lens"); // Also look for lens data in exifEX? https://exiftool.org/TagNames/XMP.html#exifEX (AUX is deprecated!?)
if (val) {
dataObj.Lens = val;
}
if (!dataObj.Date) {
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/", "DateTimeDigitized");
if (val) {
const date = readAndFormatISODate(val);
if (date) {
dataObj.Date = date;
}
}
}
val = getXMPValue(dom, "https://ns.adobe.com/photoshop/1.0/", "CreateDate");
if (val) {
const date = readAndFormatISODate(val);
if (date) {
dataObj.Date = date;
}
}
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/", "DateTimeOriginal");
if (val) {
const date = readAndFormatISODate(val);
if (date) {
dataObj.Date = date;
}
}
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/", "FNumber"); // expects a rational (eg. "5/1")
if (!val) {
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/", "ApertureValue");
} // expects a rational (eg. "4643856/1000000")
if (val) {
try {
dataObj.ApertureFNumber = "ƒ/" + parseRational(val).toFixed(1);
} catch (ex) {
if (!dataObj.ApertureFNumber) {
dataObj.ApertureFNumber = val;
}
}
}
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/", "FocalLength"); // expects a rational (eg. "2000/10")
if (val) {
try {
dataObj.FocalLength = parseRational(val).toFixed(1);
} catch (ex) {
if (!dataObj.FocalLength) {
dataObj.FocalLength = val;
}
}
}
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/", "FocalLengthIn35mmFilm");
if (!val)
// this name is no official one, but written by some applications
{
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/", "FocalLengthIn35mmFormat");
}
if (val) {
dataObj.FocalLength35mmEquiv = val;
}
if (dataObj.FocalLength) {
let fl = stringBundle.getFormattedString("millimeters", [dataObj.FocalLength]);
if (dataObj.FocalLength35mmEquiv) {
dataObj.FocalLength35mmEquiv = parseFloat(dataObj.FocalLength35mmEquiv);
fl += ", " + stringBundle.getFormattedString("35mmequiv", [dataObj.FocalLength35mmEquiv.toFixed(0)]);
}
dataObj.FocalLengthText = fl;
}
if (!dataObj.Distance) {
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/", "SubjectDistance");
if (!val) {
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/aux/", "ApproximateFocusDistance");
}
if (val) {
try {
const distance = parseRational(val).toFixed(2);
if (distance < 0 || distance > 4294967294) {
dataObj.Distance = stringBundle.getString("infinite");
} else {
dataObj.Distance = stringBundle.getFormattedString("meters", [distance]);
}
} catch (ex) {
if (!dataObj.Distance) {
dataObj.Distance = val;
}
}
}
}
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/", "ExposureTime");
if (val) {
try {
let et = "";
val = parseRational(val);
if (val < 0.010) {
et = stringBundle.getFormattedString("seconds", [val.toFixed(4)]);
} else {
et = stringBundle.getFormattedString("seconds", [val.toFixed(3)]);
}
if (val <= 0.5) {
et += " (1/" + Math.floor(0.5 + 1 / val).toFixed(0) + ")";
}
dataObj.ExposureTime = et;
} catch (ex) {
if (!dataObj.ExposureTime) {
dataObj.ExposureTime = val;
}
}
}
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/aux/", "IsMergedHDR");
if (val?.match(/^true$/i)) {
dataObj.MergedCaptures = "HDR";
}
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/aux/", "IsMergedPanorama");
if (val?.match(/^true$/i)) {
if (dataObj.MergedCaptures) {
dataObj.MergedCaptures += " + Panorama"
} else {
dataObj.MergedCaptures = "Panorama";
}
}
val = getXMPValue(dom, "https://cipa.jp/exif/1.0/", "CameraOwnerName");
if (!val) {
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/aux/", "OwnerName");
}
if (val) {
dataObj.CameraOwnerName = val;
}
val = getXMPValue(dom, "https://cipa.jp/exif/1.0/", "Temperature"); // Ambient temperature - unit: Celsius - Also see binEXIF 0x9400
if (val) {
val = parseRational(val);
dataObj.Temperature = stringBundle.getFormattedString("celsius", [val.toFixed(1)]);
}
const el = dom.getElementsByTagNameNS("https://ns.adobe.com/exif/1.0/", "Flash");
let flashFired = 0;
let flashFunction = 0;
let flashMode = 0;
let redEyeMode = 0;
let flashReturn = 0;
if (el.length) {
// Flash values can occur in two ways, as attribute values of flash
// like <Flash Fired="True"/>
// and as child values, e.g. <Flash><Fired>True</Fired></Flash>
// We've to deal with both and also mixed as a bonus.
flashFired = getSubvalues(el[0], "https://ns.adobe.com/exif/1.0/", "Fired");
if (!flashFired) {
flashFired = el[0].getAttributeNS("https://ns.adobe.com/exif/1.0/", "Fired");
}
flashFunction = getSubvalues(el[0], "https://ns.adobe.com/exif/1.0/", "Function");
if (!flashFunction) {
flashFunction = el[0].getAttributeNS("https://ns.adobe.com/exif/1.0/", "Function");
}
flashMode = Number(getSubvalues(el[0], "https://ns.adobe.com/exif/1.0/", "Mode"));
if (!flashMode) {
flashMode = Number(el[0].getAttributeNS("https://ns.adobe.com/exif/1.0/", "Mode"));
}
redEyeMode = getSubvalues(el[0], "https://ns.adobe.com/exif/1.0/", "RedEyeMode");
if (!redEyeMode) {
redEyeMode = el[0].getAttributeNS("https://ns.adobe.com/exif/1.0/", "RedEyeMode");
}
flashReturn = Number(getSubvalues(el[0], "https://ns.adobe.com/exif/1.0/", "Return"));
if (!flashReturn) {
flashReturn = Number(el[0].getAttributeNS("https://ns.adobe.com/exif/1.0/", "Return"));
}
let fu;
const addfunc = [];
if (flashFired?.match(/^true$/i)) {
fu = stringBundle.getString("yes");
if (flashMode == 3) {
addfunc.push(stringBundle.getString("auto"));
} else if (flashMode == 1) {
addfunc.push(stringBundle.getString("enforced"));
}
if (redEyeMode?.match(/^true$/i)) {
addfunc.push(stringBundle.getString("redeye"));
}
if (flashReturn == 3) {
addfunc.push(stringBundle.getString("returnlight"));
} else if (flashReturn == 2) {
addfunc.push(stringBundle.getString("noreturnlight"));
}
} else {
fu = stringBundle.getString("no");
if (flashFunction?.match(/^true$/i)) {
addfunc.push(stringBundle.getString("noflash"));
} else if (flashMode == 2) {
addfunc.push(stringBundle.getString("enforced"));
} else if (flashMode == 3) {
addfunc.push(stringBundle.getString("auto"));
}
}
if (addfunc.length) {
fu += " (" + addfunc.join(", ") + ")";
}
dataObj.FlashUsed = fu;
}
val = getXMPValue(dom, "https://ns.adobe.com/tiff/1.0/", "Orientation");
if (!dataObj.Orientation && val && val > 0) {
if (val <= 8) {
dataObj.Orientation = stringBundle.getString("orientation" + val);
} else {
dataObj.Orientation = stringBundle.getString("unknown") + " (" + val + ")";
}
}
val = getXMPValue(dom, "https://ns.adobe.com/tiff/1.0/", "ImageHeight");
if (val) {
dataObj.Length = val;
}
val = getXMPValue(dom, "https://ns.adobe.com/tiff/1.0/", "ImageWidth");
if (val) {
dataObj.Width = val;
}
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/", "FocalPlaneXResolution");
if (val) {
dataObj.FocalPlaneXRes = val;
}
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/", "FocalPlaneResolutionUnit");
if (val) {
if (val.search(/^\d+$/) !== -1) // Unfortunately there are applications which write non-number values
{
switch (Number(val)) {
case 1:
dataObj.FocalPlaneUnits = 25.4;
break; // inches
case 2:
// According to the information I was using, 2 means meters.
// But looking at the Canon powershot's files, inches is the only
// sensible value.
dataObj.FocalPlaneUnits = 25.4;
break;
case 3:
dataObj.FocalPlaneUnits = 10;
break; // centimeter
case 4:
dataObj.FocalPlaneUnits = 1;
break; // millimeter
case 5:
dataObj.FocalPlaneUnits = .001;
break; // micrometer
}
} else if (!dataObj.FocalPlaneUnits) {
dataObj.FocalPlaneUnits = val;
}
}
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/", "ExposureBiasValue");
if (val) {
try {
val = parseRational(val).toFixed(2);
if (val == 0) {
dataObj.ExposureBias = stringBundle.getString("none");
} else
// add a + sign before positive values
{
dataObj.ExposureBias = (val > 0 ? '+' : '') + stringBundle.getFormattedString("ev", [val]);
}
} catch (ex) {
if (!dataObj.ExposureBias) {
dataObj.ExposureBias = val;
}
}
}
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/", "WhiteBalance");
if (val) {
if (val.search(/^\d+$/) !== -1) // Unfortunately there are applications which write non-number values
{
switch (Number(val)) {
case 0:
dataObj.WhiteBalance = stringBundle.getString("auto");
break;
case 1:
dataObj.WhiteBalance = stringBundle.getString("manual");
break;
}
} else if (!dataObj.WhiteBalance) {
dataObj.WhiteBalance = val;
}
}
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/", "LightSource");
if (val) {
if (val.search(/^\d+$/) !== -1) // Unfortunately there are applications which write non-number values
{
switch (Number(val)) {
case 0:
dataObj.LightSource = stringBundle.getString("unknown");
break;
case 1:
dataObj.LightSource = stringBundle.getString("daylight");
break;
case 2:
dataObj.LightSource = stringBundle.getString("fluorescent");
break;
case 3:
dataObj.LightSource = stringBundle.getString("incandescent");
break;
case 4:
dataObj.LightSource = stringBundle.getString("flash");
break;
case 9:
dataObj.LightSource = stringBundle.getString("fineweather");
break;
case 10:
dataObj.LightSource = stringBundle.getString("cloudy");
break;
case 11:
dataObj.LightSource = stringBundle.getString("shade");
break;
case 12:
dataObj.LightSource = stringBundle.getString("daylightfluorescent");
break;
case 13:
dataObj.LightSource = stringBundle.getString("daywhitefluorescent");
break;
case 14:
dataObj.LightSource = stringBundle.getString("coolwhitefluorescent");
break;
case 15:
dataObj.LightSource = stringBundle.getString("whitefluorescent");
break;
case 24:
dataObj.LightSource = stringBundle.getString("studiotungsten");
break;
default: //Quercus: 17-1-2004 There are many more modes for this, check Exif2.2 specs
// If it just says 'unknown' or we don't know it, then
// don't bother showing it - it doesn't add any useful information.
}
} else if (!dataObj.LightSource) {
dataObj.LightSource = val;
}
}
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/", "MeteringMode");
if (val) {
if (val.search(/^\d+$/) !== -1) // Unfortunately there are applications which write non-number values
{
switch (Number(val)) {
case 0:
dataObj.MeteringMode = stringBundle.getString("unknown");
break;
case 1:
dataObj.MeteringMode = stringBundle.getString("average");
break;
case 2:
dataObj.MeteringMode = stringBundle.getString("centerweight");
break;
case 3:
dataObj.MeteringMode = stringBundle.getString("spot");
break;
case 4:
dataObj.MeteringMode = stringBundle.getString("multispot");
break;
case 5:
dataObj.MeteringMode = stringBundle.getString("matrix");
break;
case 6:
dataObj.MeteringMode = stringBundle.getString("partial");
break;
}
} else if (!dataObj.MeteringMode) {
dataObj.MeteringMode = val;
}
}
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/", "ExposureProgram");
if (val) {
if (val.search(/^\d+$/) !== -1) // Unfortunately there are applications which write non-number values
{
switch (Number(val)) {
case 1:
dataObj.ExposureProgram = stringBundle.getString("manual");
break;
case 2:
dataObj.ExposureProgram = stringBundle.getString("program") + " ("
+ stringBundle.getString("auto") + ")";
break;
case 3:
dataObj.ExposureProgram = stringBundle.getString("apriority")
+ " (" + stringBundle.getString("semiauto") + ")";
break;
case 4:
dataObj.ExposureProgram = stringBundle.getString("spriority")
+ " (" + stringBundle.getString("semiauto") + ")";
break;
case 5:
dataObj.ExposureProgram = stringBundle.getString("creative");
break;
case 6:
dataObj.ExposureProgram = stringBundle.getString("action");
break;
case 7:
dataObj.ExposureProgram = stringBundle.getString("portrait");
break;
case 8:
dataObj.ExposureProgram = stringBundle.getString("landscape");
break;
default:
break;
}
} else if (!dataObj.ExposureProgram) {
dataObj.ExposureProgram = val;
}
}
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/", "ExposureIndex");
if (val) {
if (!dataObj.ExposureIndex) {
try {
dataObj.ExposureIndex = parseRational(val).toFixed(0);
} catch (ex) {
dataObj.ExposureIndex = val;
}
}
}
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/", "ExposureMode");
if (val) {
if (val.search(/^\d+$/) !== -1) // Unfortunately there are applications which write non-number values
{
switch (Number(val)) {
case 0: // Automatic
break;
case 1:
dataObj.ExposureMode = stringBundle.getString("manual");
break;
case 2:
dataObj.ExposureMode = stringBundle.getString("autobracketing");
break;
}
} else if (!dataObj.ExposureProgram) {
dataObj.ExposureProgram = val;
}
}
val = getXMPOrderedArray(dom, "https://ns.adobe.com/exif/1.0/", "ISOSpeedRatings").filter( item => item?.trim()); // filter skips empty values
if (val?.length) {
dataObj.ISOequivalent = val.join(", ");
}
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/", "DigitalZoomRatio");
if (val) {
try {
const floatVal = parseRational(val);
if (floatVal > 1) {
dataObj.DigitalZoomRatio = floatVal.toFixed(3) + "x";
}
} catch (ex) {
if (!dataObj.DigitalZoomRatio) {
dataObj.DigitalZoomRatio = val;
}
}
}
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/", "ColorSpace");
if (val) {
context.debug("xmp.js 1 colorspace val =" + val);
const postfix = (context.INFO || context.DEBUG ? " (xmp)" : "");
if (val == 1) {
dataObj.ColorSpace = "sRGB" + postfix;
} else if (val == 2) {
dataObj.ColorSpace = "Adobe RGB" + postfix;
}
}
if (!dataObj.ColorSpace) {
// At least Photoshop writes ColorSpace "uncalibrated" though it uses
// a defined colorspace which is documented in ICCProfile
val = getXMPValue(dom, "https://ns.adobe.com/photoshop/1.0/", "ICCProfile");
if (val) {
context.debug("xmp.js 1.1 colorspace val =" + val);
dataObj.ColorSpace = val;
}
}
// GPS stuff
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/", "GPSAltitude");
let gpsAlt;
if (val) {
gpsAlt = parseRational(val);
}
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/", "GPSAltitudeRef");
let gpsAltRef = 0;
if (val) {
gpsAltRef = Number(val);
}
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/", "GPSImgDirection");
let gpsImgDir;
if (val) {
gpsImgDir = parseRational(val);
}
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/", "GPSImgDirectionRef");
let gpsImgDirRef = 'M';
if (val) {
gpsImgDirRef = val;
}
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/", "GPSLatitude");
let gpsLat;
if (val) {
gpsLat = parseGPSPos(val);
}
val = getXMPValue(dom, "https://ns.adobe.com/exif/1.0/", "GPSLongitude");
let gpsLon;
if (val) {
gpsLon = parseGPSPos(val);
}
// use dms format by default
let degFormat = "dms";
let degFormatter = fxifUtils.dd2dms;
try {
// 0 = DMS, 1 = DD, 2 = DM
if (fxifUtils.getPreferences().getIntPref("gpsFormat") == 1) {
// but dd if the user wants that
degFormat = "dd";
degFormatter = fxifUtils.dd2dd;
} else if (fxifUtils.getPreferences().getIntPref("gpsFormat") == 2) {
// but dd if the user wants that
degFormat = "dm";
degFormatter = fxifUtils.dd2dm;
}
} catch (e) {
}
if (gpsLat !== undefined) {
let gpsArr = degFormatter(Math.abs(gpsLat));
gpsArr.push(gpsLat < 0 ? 'S' : 'N');
dataObj.GPSLat = stringBundle.getFormattedString("latlon" + degFormat, gpsArr);
}
if (gpsLon !== undefined) {
let gpsArr = degFormatter(Math.abs(gpsLon));
gpsArr.push(gpsLon < 0 ? 'W' : 'E');
dataObj.GPSLon = stringBundle.getFormattedString("latlon" + degFormat, gpsArr);
}
if (gpsAlt !== undefined) {
dataObj.GPSAlt = stringBundle.getFormattedString("meters", [gpsAlt * (gpsAltRef ? -1.0 : 1.0)]);
}
if (gpsImgDir !== undefined && (gpsImgDirRef === 'M' || gpsImgDirRef === 'T')) {
dataObj.GPSImgDir = stringBundle.getFormattedString("dir" + gpsImgDirRef, [gpsImgDir]);
}
// Get the straight decimal values without rounding.
// For creating links to map services.
if (gpsLat !== undefined && gpsLon !== undefined) {
dataObj.GPSPureDdLat = gpsLat / 3600;
dataObj.GPSPureDdLon = gpsLon / 3600;
}
// GPano
// https://www.exiv2.org/tags-xmp-GPano.html
val = getXMPValue(dom, "https://ns.google.com/photos/1.0/panorama/", "UsePanoramaViewer");
if (val) {
dataObj.GPano_UsePanoramaViewer = val;
}
val = getXMPValue(dom, "https://ns.google.com/photos/1.0/panorama/", "CaptureSoftware");
if (val) {
dataObj.GPano_CaptureSoftware = val;
}
val = getXMPValue(dom, "https://ns.google.com/photos/1.0/panorama/", "StitchingSoftware");
if (val) {
dataObj.GPano_StitchingSoftware = val;
}
val = getXMPValue(dom, "https://ns.google.com/photos/1.0/panorama/", "ProjectionType");
if (val) {
dataObj.GPano_ProjectionType = val;
}
val = getXMPValue(dom, "https://ns.google.com/photos/1.0/panorama/", "PoseHeadingDegrees");
if (val) {
dataObj.GPano_PoseHeadingDegrees = val;
}
val = getXMPValue(dom, "https://ns.google.com/photos/1.0/panorama/", "PosePitchDegrees");
if (val) {
dataObj.GPano_PosePitchDegrees = val;
}
val = getXMPValue(dom, "https://ns.google.com/photos/1.0/panorama/", "PoseRollDegrees");
if (val) {
dataObj.GPano_PoseRollDegrees = val;
}
val = getXMPValue(dom, "https://ns.google.com/photos/1.0/panorama/", "InitialViewHeadingDegrees");
if (val) {
dataObj.GPano_InitialViewHeadingDegrees = val;
}
val = getXMPValue(dom, "https://ns.google.com/photos/1.0/panorama/", "InitialViewPitchDegrees");
if (val) {
dataObj.GPano_InitialViewPitchDegrees = val;
}
val = getXMPValue(dom, "https://ns.google.com/photos/1.0/panorama/", "InitialViewRollDegrees");
if (val) {
dataObj.GPano_InitialViewRollDegrees = val;
}
val = getXMPValue(dom, "https://ns.google.com/photos/1.0/panorama/", "InitialHorizontalFOVDegrees");
if (val) {
dataObj.GPano_InitialHorizontalFOVDegrees = val;
}
val = getXMPValue(dom, "https://ns.google.com/photos/1.0/panorama/", "FirstPhotoDate");
if (val) {
dataObj.GPano_FirstPhotoDate = val;
}
val = getXMPValue(dom, "https://ns.google.com/photos/1.0/panorama/", "LastPhotoDate");
if (val) {
dataObj.GPano_LastPhotoDate = val;
}
val = getXMPValue(dom, "https://ns.google.com/photos/1.0/panorama/", "SourcePhotosCount");
if (val) {
dataObj.GPano_SourcePhotosCount = val;
}
val = getXMPValue(dom, "https://ns.google.com/photos/1.0/panorama/", "ExposureLockUsed");
if (val) {
dataObj.GPano_ExposureLockUsed = val;
}
val = getXMPValue(dom, "https://ns.google.com/photos/1.0/panorama/", "CroppedAreaImageWidthPixels");
if (val) {
dataObj.GPano_CroppedAreaImageWidthPixels = val;
}
val = getXMPValue(dom, "https://ns.google.com/photos/1.0/panorama/", "CroppedAreaImageHeightPixels");
if (val) {
dataObj.GPano_CroppedAreaImageHeightPixels = val;
}
val = getXMPValue(dom, "https://ns.google.com/photos/1.0/panorama/", "FullPanoWidthPixels");
if (val) {
dataObj.GPano_FullPanoWidthPixels = val;
}
val = getXMPValue(dom, "https://ns.google.com/photos/1.0/panorama/", "FullPanoHeightPixels");
if (val) {
dataObj.GPano_FullPanoHeightPixels = val;
}
val = getXMPValue(dom, "https://ns.google.com/photos/1.0/panorama/", "CroppedAreaLeftPixels");
if (val) {