B4X

Get a Structure Property Value from XMP

See more XMP Examples

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). 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 = xmp.GetEmbedded(0)
If xmp.LastMethodSuccess = True Then

    Dim propVal As String = xmp.GetStructValue(xml, "Iptc4xmpCore:CreatorContactInfo", "Iptc4xmpCore:CiTelWork")
    If xmp.LastMethodSuccess <> True Then
        Log("Not found.")
    Else
        Log(propVal)
    End If




Else
    Log(xmp.LastErrorText)
End If