AutoIt

Get a Structure Property Value from XMP

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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). AutoIt

Local $bSuccess = False

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

$oXmp = ObjCreate("Chilkat.Xmp")

; 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
$bSuccess = $oXmp.LoadAppFile("sample1.jpg")
If ($bSuccess <> True) Then
    ConsoleWrite($oXmp.LastErrorText & @CRLF)
    Exit
EndIf

ConsoleWrite("Num embedded XMP docs: " & $oXmp.NumEmbedded & @CRLF)

; Assuming there is at least one, get the 1st.
; (There is typically never more than one, but theoretically it's possible.)
Local $oXml = $oXmp.GetEmbedded(0)
If ($oXmp.LastMethodSuccess = True) Then

Local $sPropVal = $oXmp.GetStructValue($oXml,"Iptc4xmpCore:CreatorContactInfo","Iptc4xmpCore:CiTelWork")
    If ($oXmp.LastMethodSuccess <> True) Then
        ConsoleWrite("Not found." & @CRLF)
    Else
        ConsoleWrite($sPropVal & @CRLF)
    EndIf

Else
    ConsoleWrite($oXmp.LastErrorText & @CRLF)
EndIf