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Scripting Alpha Channels in Photoshop
Here is an AppleScript that drives Photoshop, creates an alpha channel and saves the file:
tell application “Adobe Photoshop CS2"
set myText to “Example Text"
set myTempFileName ¬
to “/Users/cliff/Desktop/PStest0010.psd" as string
activate
make new document
set myTextLayer to make new art layer ¬
in current document with properties {kind:text layer}
set properties of text object of myTextLayer ¬
to {contents:myText, size:64 as points, position:{100, 100}}
select all current document
copy
set myAlphaChannel to make new channel ¬ in current document with properties {kind:masked area ...Get Developing Quality Metadata now with the O’Reilly learning platform.
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