Fix blurry egui #1266
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Fix blurry egui #1266
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hannobraun
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Oct 25, 2022
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Thank you, @erenoku, this is awesome! I had already searched for something like this, but somehow I've missed it.
Your discovery inspired me to search again, and it turns out that egui-winit has a similar method, and calling that with the right value fixes the input too! I've pushed some additional commits to do that.
While I was at it, I also moved the call to set_pixels_per_point to the update method. This won't make a difference in most cases, but it doesn't seem to hurt and seems more robust.
Thanks again! Always nice to get a second set of eyes on these kinds of things. It's so easy to miss things, when you're working by yourself most of the time.
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This value changing during the runtime of the program is probably a rare edge case, but still, it's worth to support. In any case, doing it this way doesn't seem to hurt.
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The egui context created here: https://github.com/hannobraun/Fornjot/blob/8c423093840ac7bb99b56533cb8b5804d43a3836/crates/fj-viewer/src/gui.rs#L52 for some reason didn't have the right pixels_per_point ratio so I explicitly set this ratio with the value I got from winit. This solved the blurriness but unfortunately the mouse input is still offseted.