XMP Array Property - Bag, Seq, or Alt

How to insert or update an XMP array property (bag, seq, or alt).

Downloads:

MS Windows Visual C/C++ Libraries

Linux/CentOS C/C++ Libraries

MAC OS X C/C++ Libraries

Solaris C/C++ Libraries

C++ Builder Libraries

#include <CkXmp.h>
#include <CkXml.h>
#include <CkStringArray.h>

void ChilkatSample(void)
    {
    CkXmp xmp;

    bool success;

    success = xmp.UnlockComponent("Anything for 30-day trial.");
    if (success != true) {
        printf("%s\n",xmp.lastErrorText());
        return;
    }

    //  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
    success = xmp.LoadAppFile("sample1.jpg");
    if (success != true) {
        printf("%s\n",xmp.lastErrorText());
        return;
    }

    printf("Num embedded XMP docs: %d\n",xmp.get_NumEmbedded());

    //  Assuming there is at least one, get the 1st.
    //  (There is typically never more than one, but theoretically it's possible.)
    CkXml *xml = 0;
    xml = xmp.GetEmbedded(0);
    if (!(xml == 0 )) {

        //  Create an object to hold one or more string values.
        CkStringArray sa;
        sa.Append("value_1");
        sa.Append("value_2");
        //  ...

        success = xmp.AddArray(*xml,"bag","Iptc4xmpCore:Chilkat",sa);
        if (success != true) {
            printf("%s\n",xmp.lastErrorText());
        }
        else {
            //  Save the JPG.
            xmp.put_SaveAppFile(xmp.get_SaveAppFile() S ("modified.jpg"));

        }

        delete xml;

    }
    else {
        printf("%s\n",xmp.lastErrorText());
    }

    }