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From: saito <saitology9@gmail.com>
Newsgroups: comp.lang.tcl
Subject: Image background
Date: Thu, 17 Oct 2024 15:04:22 -0400
Organization: A noiseless patient Spider
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I wonder if it is possible to remove the background from an image and 
make it transparent using Tk or a package? Then I can save it as a png 
image. The background in my case consists of a single color. Perhaps I 
could replace that color with an "alpha" color but how?