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(Swift 3,4,5...) Extract XMP MetaData as XMLDemonstrates how to open a JPG or TIF image file and extract the XMP metadata as XML.
func chilkatTest() { // This requires the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. let xmp = CkoXmp()! // Load a JPG or TIF image file. // Sample JPG's with XMP metadata may be found at: // https://www.chilkatsoft.com/testData/xmp/sample1.jpg // https://www.chilkatsoft.com/testData/xmp/sample2.jpg // https://www.chilkatsoft.com/testData/xmp/sample3.jpg var success: Bool = xmp.loadAppFile("qa_data/xmp/sample1.jpg") if success != true { print("\(xmp.lastErrorText!)") return } print("Num embedded XMP docs: \(xmp.numEmbedded.intValue)") // Assuming there is at least one, get the 1st. // (There is typically never more than one, but theoretically it's possible.) var xml: CkoXml? = xmp.getEmbedded(0) if xmp.lastMethodSuccess == false { print("No XMP metadata found.") return } print("\(xml!.getXml()!)") // Sample output: // <?xml version="1.0" encoding="utf-8"?> // <x:xmpmeta xmlns:x="adobe:ns:meta/" x:xmptk="XMP toolkit 3.0-28, framework 1.6"> // <rdf:RDF xmlns:rdf="http://www.w3.org/1999/02/22-rdf-syntax-ns#" xmlns:iX="http://ns.adobe.com/iX/1.0/"> // <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:xmpPLUS="XMP Photographic Licensing Universal System (xmpPLUS, http://ns.adobe.com/xap/1.0/PLUS/)"> // <xmpPLUS:CreditLineReq>False</xmpPLUS:CreditLineReq> // <xmpPLUS:ReuseAllowed>False</xmpPLUS:ReuseAllowed> // </rdf:Description> // <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:Iptc4xmpCore="http://iptc.org/std/Iptc4xmpCore/1.0/xmlns/"> // <Iptc4xmpCore:IntellectualGenre>Profile</Iptc4xmpCore:IntellectualGenre> // <Iptc4xmpCore:Location>Lake Superior</Iptc4xmpCore:Location> // <Iptc4xmpCore:CountryCode>US</Iptc4xmpCore:CountryCode> // <Iptc4xmpCore:CreatorContactInfo rdf:parseType="Resource"> // <Iptc4xmpCore:CiAdrExtadr>John Doe Photography, 123 Maple Lane</Iptc4xmpCore:CiAdrExtadr> // <Iptc4xmpCore:CiAdrCity>Champaign</Iptc4xmpCore:CiAdrCity> // <Iptc4xmpCore:CiAdrRegion>Illinois</Iptc4xmpCore:CiAdrRegion> // <Iptc4xmpCore:CiAdrPcode>61820</Iptc4xmpCore:CiAdrPcode> // <Iptc4xmpCore:CiAdrCtry>USA</Iptc4xmpCore:CiAdrCtry> // <Iptc4xmpCore:CiTelWork>+1 (217) 1234567</Iptc4xmpCore:CiTelWork> // <Iptc4xmpCore:CiEmailWork>john@doe.com</Iptc4xmpCore:CiEmailWork> // <Iptc4xmpCore:CiUrlWork>www.doe.com</Iptc4xmpCore:CiUrlWork> // </Iptc4xmpCore:CreatorContactInfo> // <Iptc4xmpCore:SubjectCode> // <rdf:Bag> // <rdf:li>14024001</rdf:li> // </rdf:Bag> // </Iptc4xmpCore:SubjectCode> // <Iptc4xmpCore:Scene> // <rdf:Bag> // <rdf:li>012300</rdf:li> // </rdf:Bag> // </Iptc4xmpCore:Scene> // </rdf:Description> // <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:exif="http://ns.adobe.com/exif/1.0/"> // <exif:ColorSpace>1</exif:ColorSpace> // <exif:PixelXDimension>288</exif:PixelXDimension> // <exif:PixelYDimension>432</exif:PixelYDimension> // </rdf:Description> // <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:pdf="http://ns.adobe.com/pdf/1.3/"/> // <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:photoshop="http://ns.adobe.com/photoshop/1.0/"> // <photoshop:AuthorsPosition>Photographer</photoshop:AuthorsPosition> // <photoshop:Headline>Young boy yelling</photoshop:Headline> // <photoshop:CaptionWriter>John Doe</photoshop:CaptionWriter> // <photoshop:DateCreated>2004-08-19</photoshop:DateCreated> // <photoshop:City>Marquette</photoshop:City> // <photoshop:State>Michigan</photoshop:State> // <photoshop:Country>United States</photoshop:Country> // <photoshop:TransmissionReference>PO 34567</photoshop:TransmissionReference> // <photoshop:Instructions>Original RAW capture Nikon D2X, Adobe RGB 1998.</photoshop:Instructions> // <photoshop:Credit>John Doe Photography</photoshop:Credit> // <photoshop:Source>John Doe Photography</photoshop:Source> // <photoshop:History/> // </rdf:Description> // <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:tiff="http://ns.adobe.com/tiff/1.0/"> // <tiff:XResolution>72/1</tiff:XResolution> // <tiff:YResolution>72/1</tiff:YResolution> // <tiff:ResolutionUnit>2</tiff:ResolutionUnit> // <tiff:Orientation>1</tiff:Orientation> // </rdf:Description> // <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:xap="http://ns.adobe.com/xap/1.0/"> // <xap:CreateDate>2005-03-13T02:02:29-06:00</xap:CreateDate> // <xap:ModifyDate>2005-03-13T02:02:29-06:00</xap:ModifyDate> // <xap:MetadataDate>2005-03-13T02:02:29-06:00</xap:MetadataDate> // <xap:CreatorTool>Adobe Photoshop CS Windows</xap:CreatorTool> // </rdf:Description> // <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:stRef="http://ns.adobe.com/xap/1.0/sType/ResourceRef#" xmlns:xapMM="http://ns.adobe.com/xap/1.0/mm/"> // <xapMM:DerivedFrom rdf:parseType="Resource"> // <stRef:instanceID>uuid:f5b64171-9394-11d9-bb8e-a67e6693b6e9</stRef:instanceID> // <stRef:documentID>adobe:docid:photoshop:e4d002a4-9392-11d9-bb8e-a67e6693b6e9</stRef:documentID> // </xapMM:DerivedFrom> // <xapMM:DocumentID>adobe:docid:photoshop:0f410647-9396-11d9-bb8e-a67e6693b6e9</xapMM:DocumentID> // </rdf:Description> // <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:xapRights="http://ns.adobe.com/xap/1.0/rights/"> // <xapRights:Marked>True</xapRights:Marked> // <xapRights:WebStatement>http://www.doe.com</xapRights:WebStatement> // <xapRights:RightsUsageTerms> // <rdf:Alt> // <rdf:li xml:lang="x-default">For consideration only, no reproduction without prior permission</rdf:li> // </rdf:Alt> // </xapRights:RightsUsageTerms> // <xapRights:UsageTerms> // <rdf:Alt> // <rdf:li xml:lang="x-default">For consideration only, no reproduction without prior permission</rdf:li> // </rdf:Alt> // </xapRights:UsageTerms> // </rdf:Description> // <rdf:Description rdf:about="uuid:0f410648-9396-11d9-bb8e-a67e6693b6e9" xmlns:dc="http://purl.org/dc/elements/1.1/"> // <dc:format>image/jpeg</dc:format> // <dc:description> // <rdf:Alt> // <rdf:li xml:lang="x-default">Three year old African American boy yells with joy on beach during vacation.</rdf:li> // </rdf:Alt> // </dc:description> // <dc:title> // <rdf:Alt> // <rdf:li xml:lang="x-default">20040819_pe_014578d.nef</rdf:li> // </rdf:Alt> // </dc:title> // <dc:rights> // <rdf:Alt> // <rdf:li xml:lang="x-default">2004 John Doe, all rights reserved</rdf:li> // </rdf:Alt> // </dc:rights> // <dc:creator> // <rdf:Seq> // <rdf:li>John Doe</rdf:li> // </rdf:Seq> // </dc:creator> // <dc:subject> // <rdf:Bag> // <rdf:li>boy</rdf:li> // <rdf:li>gender</rdf:li> // <rdf:li>human beings</rdf:li> // <rdf:li>humans</rdf:li> // <rdf:li>lad</rdf:li> // <rdf:li>male</rdf:li> // <rdf:li>people</rdf:li> // <rdf:li>3-12 years old</rdf:li> // <rdf:li>age</rdf:li> // <rdf:li>child</rdf:li> // <rdf:li>youth</rdf:li> // <rdf:li>african american</rdf:li> // <rdf:li>african-american</rdf:li> // <rdf:li>black</rdf:li> // <rdf:li>ethnic</rdf:li> // <rdf:li>ethnicity</rdf:li> // <rdf:li>people of color</rdf:li> // <rdf:li>race</rdf:li> // <rdf:li>beach</rdf:li> // <rdf:li>nature</rdf:li> // <rdf:li>scenery</rdf:li> // <rdf:li>emotion</rdf:li> // <rdf:li>emotional</rdf:li> // <rdf:li>emotions</rdf:li> // <rdf:li>happiness</rdf:li> // <rdf:li>happy</rdf:li> // <rdf:li>joy</rdf:li> // <rdf:li>joyful</rdf:li> // <rdf:li>joyous</rdf:li> // </rdf:Bag> // </dc:subject> // </rdf:Description> // </rdf:RDF> // </x:xmpmeta> // You can generate parsing code using Chilkat's online tool : // Generate Parsing Code from XML var rdf_Description_rdf_about: String? var rdf_Description_xmlns_xmpPLUS: String? var rdf_Description_xmlns_Iptc4xmpCore: String? var rdf_Description_xmlns_exif: String? var rdf_Description_xmlns_pdf: String? var rdf_Description_xmlns_photoshop: String? var rdf_Description_xmlns_tiff: String? var rdf_Description_xmlns_xap: String? var rdf_Description_xmlns_stRef: String? var rdf_Description_xmlns_xapMM: String? var rdf_Description_xmlns_xapRights: String? var rdf_Description_xmlns_dc: String? var xmpPLUS_CreditLineReq: String? var xmpPLUS_ReuseAllowed: String? var Iptc4xmpCore_IntellectualGenre: String? var Iptc4xmpCore_Location: String? var Iptc4xmpCore_CountryCode: String? var Iptc4xmpCore_CreatorContactInfo_rdf_parseType: String? var Iptc4xmpCore_CiAdrExtadr: String? var Iptc4xmpCore_CiAdrCity: String? var Iptc4xmpCore_CiAdrRegion: String? var Iptc4xmpCore_CiAdrPcode: Int var Iptc4xmpCore_CiAdrCtry: String? var Iptc4xmpCore_CiTelWork: String? var Iptc4xmpCore_CiEmailWork: String? var Iptc4xmpCore_CiUrlWork: String? var rdf_li: Int var exif_ColorSpace: Int var exif_PixelXDimension: Int var exif_PixelYDimension: Int var photoshop_AuthorsPosition: String? var photoshop_Headline: String? var photoshop_CaptionWriter: String? var photoshop_DateCreated: String? var photoshop_City: String? var photoshop_State: String? var photoshop_Country: String? var photoshop_TransmissionReference: String? var photoshop_Instructions: String? var photoshop_Credit: String? var photoshop_Source: String? var tiff_XResolution: String? var tiff_YResolution: String? var tiff_ResolutionUnit: Int var tiff_Orientation: Int var xap_CreateDate: String? var xap_ModifyDate: String? var xap_MetadataDate: String? var xap_CreatorTool: String? var xapMM_DerivedFrom_rdf_parseType: String? var stRef_instanceID: String? var stRef_documentID: String? var xapMM_DocumentID: String? var xapRights_Marked: String? var xapRights_WebStatement: String? var rdf_li_xml_lang: String? var strRdf_li: String? var dc_format: String? var j: Int var count_j: Int var x_xmpmeta_xmlns_x: String? = xml!.getAttrValue("xmlns:x") var x_xmpmeta_x_xmptk: String? = xml!.getAttrValue("x:xmptk") var rdf_RDF_xmlns_rdf: String? = xml!.chilkatPath("rdf:RDF|(xmlns:rdf)") var rdf_RDF_xmlns_iX: String? = xml!.chilkatPath("rdf:RDF|(xmlns:iX)") var i: Int = 0 var count_i: Int = xml!.numChildrenHavingTag("rdf:RDF|rdf:Description").intValue while i < count_i { xml.i = i rdf_Description_rdf_about = xml!.chilkatPath("rdf:RDF|rdf:Description[i]|(rdf:about)") rdf_Description_xmlns_xmpPLUS = xml!.chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:xmpPLUS)") rdf_Description_xmlns_Iptc4xmpCore = xml!.chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:Iptc4xmpCore)") rdf_Description_xmlns_exif = xml!.chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:exif)") rdf_Description_xmlns_pdf = xml!.chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:pdf)") rdf_Description_xmlns_photoshop = xml!.chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:photoshop)") rdf_Description_xmlns_tiff = xml!.chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:tiff)") rdf_Description_xmlns_xap = xml!.chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:xap)") rdf_Description_xmlns_stRef = xml!.chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:stRef)") rdf_Description_xmlns_xapMM = xml!.chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:xapMM)") rdf_Description_xmlns_xapRights = xml!.chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:xapRights)") rdf_Description_xmlns_dc = xml!.chilkatPath("rdf:RDF|rdf:Description[i]|(xmlns:dc)") xmpPLUS_CreditLineReq = xml!.getChildContent("rdf:RDF|rdf:Description[i]|xmpPLUS:CreditLineReq") xmpPLUS_ReuseAllowed = xml!.getChildContent("rdf:RDF|rdf:Description[i]|xmpPLUS:ReuseAllowed") Iptc4xmpCore_IntellectualGenre = xml!.getChildContent("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:IntellectualGenre") Iptc4xmpCore_Location = xml!.getChildContent("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:Location") Iptc4xmpCore_CountryCode = xml!.getChildContent("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CountryCode") Iptc4xmpCore_CreatorContactInfo_rdf_parseType = xml!.chilkatPath("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|(rdf:parseType)") Iptc4xmpCore_CiAdrExtadr = xml!.getChildContent("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiAdrExtadr") Iptc4xmpCore_CiAdrCity = xml!.getChildContent("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiAdrCity") Iptc4xmpCore_CiAdrRegion = xml!.getChildContent("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiAdrRegion") Iptc4xmpCore_CiAdrPcode = xml!.getChildIntValue("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiAdrPcode").intValue Iptc4xmpCore_CiAdrCtry = xml!.getChildContent("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiAdrCtry") Iptc4xmpCore_CiTelWork = xml!.getChildContent("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiTelWork") Iptc4xmpCore_CiEmailWork = xml!.getChildContent("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiEmailWork") Iptc4xmpCore_CiUrlWork = xml!.getChildContent("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:CreatorContactInfo|Iptc4xmpCore:CiUrlWork") rdf_li = xml!.getChildIntValue("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:SubjectCode|rdf:Bag|rdf:li").intValue rdf_li = xml!.getChildIntValue("rdf:RDF|rdf:Description[i]|Iptc4xmpCore:Scene|rdf:Bag|rdf:li").intValue exif_ColorSpace = xml!.getChildIntValue("rdf:RDF|rdf:Description[i]|exif:ColorSpace").intValue exif_PixelXDimension = xml!.getChildIntValue("rdf:RDF|rdf:Description[i]|exif:PixelXDimension").intValue exif_PixelYDimension = xml!.getChildIntValue("rdf:RDF|rdf:Description[i]|exif:PixelYDimension").intValue photoshop_AuthorsPosition = xml!.getChildContent("rdf:RDF|rdf:Description[i]|photoshop:AuthorsPosition") photoshop_Headline = xml!.getChildContent("rdf:RDF|rdf:Description[i]|photoshop:Headline") photoshop_CaptionWriter = xml!.getChildContent("rdf:RDF|rdf:Description[i]|photoshop:CaptionWriter") photoshop_DateCreated = xml!.getChildContent("rdf:RDF|rdf:Description[i]|photoshop:DateCreated") photoshop_City = xml!.getChildContent("rdf:RDF|rdf:Description[i]|photoshop:City") photoshop_State = xml!.getChildContent("rdf:RDF|rdf:Description[i]|photoshop:State") photoshop_Country = xml!.getChildContent("rdf:RDF|rdf:Description[i]|photoshop:Country") photoshop_TransmissionReference = xml!.getChildContent("rdf:RDF|rdf:Description[i]|photoshop:TransmissionReference") photoshop_Instructions = xml!.getChildContent("rdf:RDF|rdf:Description[i]|photoshop:Instructions") photoshop_Credit = xml!.getChildContent("rdf:RDF|rdf:Description[i]|photoshop:Credit") photoshop_Source = xml!.getChildContent("rdf:RDF|rdf:Description[i]|photoshop:Source") tiff_XResolution = xml!.getChildContent("rdf:RDF|rdf:Description[i]|tiff:XResolution") tiff_YResolution = xml!.getChildContent("rdf:RDF|rdf:Description[i]|tiff:YResolution") tiff_ResolutionUnit = xml!.getChildIntValue("rdf:RDF|rdf:Description[i]|tiff:ResolutionUnit").intValue tiff_Orientation = xml!.getChildIntValue("rdf:RDF|rdf:Description[i]|tiff:Orientation").intValue xap_CreateDate = xml!.getChildContent("rdf:RDF|rdf:Description[i]|xap:CreateDate") xap_ModifyDate = xml!.getChildContent("rdf:RDF|rdf:Description[i]|xap:ModifyDate") xap_MetadataDate = xml!.getChildContent("rdf:RDF|rdf:Description[i]|xap:MetadataDate") xap_CreatorTool = xml!.getChildContent("rdf:RDF|rdf:Description[i]|xap:CreatorTool") xapMM_DerivedFrom_rdf_parseType = xml!.chilkatPath("rdf:RDF|rdf:Description[i]|xapMM:DerivedFrom|(rdf:parseType)") stRef_instanceID = xml!.getChildContent("rdf:RDF|rdf:Description[i]|xapMM:DerivedFrom|stRef:instanceID") stRef_documentID = xml!.getChildContent("rdf:RDF|rdf:Description[i]|xapMM:DerivedFrom|stRef:documentID") xapMM_DocumentID = xml!.getChildContent("rdf:RDF|rdf:Description[i]|xapMM:DocumentID") xapRights_Marked = xml!.getChildContent("rdf:RDF|rdf:Description[i]|xapRights:Marked") xapRights_WebStatement = xml!.getChildContent("rdf:RDF|rdf:Description[i]|xapRights:WebStatement") rdf_li_xml_lang = xml!.chilkatPath("rdf:RDF|rdf:Description[i]|xapRights:RightsUsageTerms|rdf:Alt|rdf:li|(xml:lang)") strRdf_li = xml!.getChildContent("rdf:RDF|rdf:Description[i]|xapRights:RightsUsageTerms|rdf:Alt|rdf:li") rdf_li_xml_lang = xml!.chilkatPath("rdf:RDF|rdf:Description[i]|xapRights:UsageTerms|rdf:Alt|rdf:li|(xml:lang)") strRdf_li = xml!.getChildContent("rdf:RDF|rdf:Description[i]|xapRights:UsageTerms|rdf:Alt|rdf:li") dc_format = xml!.getChildContent("rdf:RDF|rdf:Description[i]|dc:format") rdf_li_xml_lang = xml!.chilkatPath("rdf:RDF|rdf:Description[i]|dc:description|rdf:Alt|rdf:li|(xml:lang)") strRdf_li = xml!.getChildContent("rdf:RDF|rdf:Description[i]|dc:description|rdf:Alt|rdf:li") rdf_li_xml_lang = xml!.chilkatPath("rdf:RDF|rdf:Description[i]|dc:title|rdf:Alt|rdf:li|(xml:lang)") strRdf_li = xml!.getChildContent("rdf:RDF|rdf:Description[i]|dc:title|rdf:Alt|rdf:li") rdf_li_xml_lang = xml!.chilkatPath("rdf:RDF|rdf:Description[i]|dc:rights|rdf:Alt|rdf:li|(xml:lang)") strRdf_li = xml!.getChildContent("rdf:RDF|rdf:Description[i]|dc:rights|rdf:Alt|rdf:li") strRdf_li = xml!.getChildContent("rdf:RDF|rdf:Description[i]|dc:creator|rdf:Seq|rdf:li") j = 0 count_j = xml!.numChildrenHavingTag("rdf:RDF|rdf:Description[i]|dc:subject|rdf:Bag|rdf:li").intValue while j < count_j { xml.j = j strRdf_li = xml!.getChildContent("rdf:RDF|rdf:Description[i]|dc:subject|rdf:Bag|rdf:li[j]") j = j + 1 } i = i + 1 } xml = nil } |
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