AutoIt

Update a String Property in XMP

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Demonstrates how to open a JPG or TIF image file, access the XMP metadata, and update the value of a string property. (If the string property does not already exist, it is created.) AutoIt

Local $bSuccess = False

; This example assumes 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.
$bSuccess = $oXmp.LoadAppFile("qa_data/xmp/AJ_123642_1511.tif")
If ($bSuccess <> True) Then
    ConsoleWrite($oXmp.LastErrorText & @CRLF)
    Exit
EndIf

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

; This example assumes that XMP metadata is already present in the image file.
If ($oXmp.NumEmbedded = 0) Then
    ConsoleWrite("No XMP metadata already exists.." & @CRLF)
    Exit
EndIf

; Get the XMP metadata.
Local $oXml
$oXml = $oXmp.GetEmbedded(0)

; Show the XML:
ConsoleWrite($oXml.GetXml() & @CRLF)

; Update (overwrite) a string property.
$oXmp.AddSimpleStr($oXml,"NumberofTimes","123")

$bSuccess = $oXmp.SaveAppFile("qa_output/updated.tif")
If ($bSuccess <> True) Then
    ConsoleWrite($oXmp.LastErrorText & @CRLF)
    Exit
EndIf

ConsoleWrite("Success." & @CRLF)