B4X

XMP Array Property - Bag, Seq, or Alt

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How to insert or update an XMP array property (bag, seq, or alt). B4X

Dim success As Boolean = False

'  This requires the Chilkat API to have been previously unlocked.
'  See Global Unlock Sample for sample code.

Dim xmp As ChilkatXmp
xmp.Initialize

'  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 Then
    Log(xmp.LastErrorText)
    Return
End If


Log("Num embedded XMP docs: " & xmp.NumEmbedded)

'  Assuming there is at least one, get the 1st.
'  (There is typically never more than one, but theoretically it's possible.)
Dim xml As ChilkatXml
xml = xmp.GetEmbedded(0)
If xmp.LastMethodSuccess = True Then

    '  Create an object to hold one or more string values.
    Dim sa As ChilkatStringArray
    sa.Initialize
    success = sa.Append("value_1")
    success = sa.Append("value_2")
    '  ...

    success = xmp.AddArray(xml, "bag", "Iptc4xmpCore:Chilkat", sa)
    If success <> True Then
        Log(xmp.LastErrorText)
    Else
        '  Save the JPG.
        success = xmp.SaveAppFile("modified.jpg")
        If success <> True Then
            Log(xmp.LastErrorText)
        End If


    End If



Else
    Log(xmp.LastErrorText)
End If