I need to paint staright lines on a image in a widget in .ui file, but when i click it disappers. If you need more info, i can provide you with that. Could you help with that, please? Here is the code on pastebin: [Google Disk] https://drive.google.com/file/d/1RexMW3MkNvvNDZzE0qdA5EM2v6bAHepO/view?usp=sharing
I would like to get how to paint on the image. Thanks in advance.
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