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[Question #186977]: Is non-rectangular matching possible?

To: sikuli-driver@xxxxxxxxxxxxxxxxxxx
From: Laurent Vaucher <question186977@xxxxxxxxxxxxxxxxxxxxx>
Date: Mon, 06 Feb 2012 15:20:52 -0000
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New question #186977 on Sikuli:
https://answers.launchpad.net/sikuli/+question/186977

I would like to find on screen an image that does not have rectangular bounds. For instance, I want to look for a round button and I only care for the button, not its surroundings. It might be placed on different backgrounds that I don't know in advance.
I thought I could build a Pattern from a PNG with transparency to mean: "I'm not interested in the comparison of transparent pixels", but it does not seem to work like that. I generally don't find any match over the standard 0.7 threshold.

Is there any other way?

Thanks.

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