UMG Thin lines are disappearing on low resolution

King_Zero
Mon, 13 Aug 2018 17:20:54 +0000
UI

Hi.
In our UI we have elements that are 1px thin and the problem is that some of them are disappearing when screen resolution is low. It is caused by DPI Scaling and my question is if I can somehow solve this issue without changing DPI Scaling curve?

I’ve tried setting higher image size, but then it looks ugly as some lines are rendering with 1px height and some are rendering with 2px height on screen. Is there any chance to set these images to always have atleast 1px height or have them render all with the same size on screen? If not, is there any other solution?

Here are examples showing the problem:

high resolution:

1px with lower resolution:

2px with lower resolution:

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