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Hi, I'd like to place some touch-based input areas on a touch-sensitive LCD.
It allows writing digit or word in these touch-based input areas, in further, it needs to get the RGB data of these areas, as I need to recognize the inputted digit or word by processing the RGB data.
Can you tell me which widget should I select to make it?
Any hints will be appreciated.

1 Answer

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Hello Jeremy,

I suppose you are looking for a way to stroke lines by touching on the screen?

In such case, please see the thread How can I extract an image drawn into the GUI via a touch screen?.

Does it help you further?

Best regards

Paul Banach

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