(Tcl) XMP Array Property - Bag, Seq, or Alt

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

Chilkat Tcl Extension Downloads Chilkat Tcl Extension Downloads

load ./chilkat.dll

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

set xmp [new_CkXmp]

# 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
set success [CkXmp_LoadAppFile $xmp "sample1.jpg"]
if {$success != 1} then {
    puts [CkXmp_lastErrorText $xmp]
    delete_CkXmp $xmp
    exit
}

puts "Num embedded XMP docs: [CkXmp_get_NumEmbedded $xmp]"

# Assuming there is at least one, get the 1st.
# (There is typically never more than one, but theoretically it's possible.)
# xml is a CkXml

set xml [CkXmp_GetEmbedded $xmp 0]
if {[CkXmp_get_LastMethodSuccess $xmp] == 1} then {

    # Create an object to hold one or more string values.
    set sa [new_CkStringArray]

    set success [CkStringArray_Append $sa "value_1"]
    set success [CkStringArray_Append $sa "value_2"]
    # ...

    set success [CkXmp_AddArray $xmp $xml "bag" "Iptc4xmpCore:Chilkat" $sa]
    if {$success != 1} then {
        puts [CkXmp_lastErrorText $xmp]
    }     else {
        # Save the JPG.
        set success [CkXmp_SaveAppFile $xmp "modified.jpg"]
        if {$success != 1} then {
            puts [CkXmp_lastErrorText $xmp]
        }

    }

    delete_CkXml $xml

} else {
    puts [CkXmp_lastErrorText $xmp]
}


delete_CkXmp $xmp
delete_CkStringArray $sa