FCanvasTextItem display with Runtime Font : Nearest instead of Linear

Hi everyone,

This picture shows two texts (slightly scaled down scale~=0.8f). One is displayed with a Runtime font, the other one with an Offline font.

The one with Offline font scales down nicely as it uses a linear-style smoothing method.

The one with Runtime font glitches as it scales down, it uses a nearest display method.

Is there a way to fix this, forcing the Font cache textures render settings, or something ?

Yeah, the runtime fonts currently use point sampling as Slate never renders them at anything other than a 1:1 ratio.

If you’re building from source, take a look in SlateRHIFontTexture.cpp and try changing SF_Point to SF_Bilinear. Let me know how that works for you.


Yes, this works perfectly, thanks alot.

Wouldn’t it be nice to have this by default, or have a flag in the Font editor ?

Great, thanks.

It can’t be a per-font setting as we have a single atlas texture for all runtime cached glyphs. We’ve just decided to enable it by default (5d6f2b98a57f004175c39b2ee7a47268c732c421).