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Swift 2 Examples

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(Swift 2) Get a Structure Property Value from XMP

Demonstrates how to open a JPG or TIF image file, access the XMP metadata, and fetch the value of a structure property, such as the Iptc4xmpCore:CiTelWork (found within the Iptc4xmpCore:CreatorContactInfo structure).

Chilkat Downloads for the Swift Programming Language

MAC OS X (Cocoa) Objective-C/Swift Libs

iOS Objective-C/Swift Libs

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:
    // http://www.chilkatsoft.com/testData/xmp/sample1.jpg
    // http://www.chilkatsoft.com/testData/xmp/sample2.jpg
    // http://www.chilkatsoft.com/testData/xmp/sample3.jpg
    var success: Bool = xmp.LoadAppFile("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 == true {

        var propVal: String? = xmp.GetStructValue(xml, structName: "Iptc4xmpCore:CreatorContactInfo", propName: "Iptc4xmpCore:CiTelWork")
        if xmp.LastMethodSuccess != true {
            print("Not found.")
        }
        else {
            print("\(propVal!)")
        }

        xml = nil

    }
    else {
        print("\(xmp.LastErrorText)")
    }


}

 

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