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CustomTextRenderer::_DrawGlowGlyphRun text is (sometimes) bold and smeared looking. #885

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opened 2026-01-30 22:08:14 +00:00 by claunia · 0 comments
claunia commented 2026-01-30 22:08:14 +00:00
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Originally created by @JamesG269 on GitHub (May 9, 2019).

Originally assigned to: @miniksa on GitHub.

Microsoft Windows [Version 10.0.18362.86]

Issue: Text rendering for CustomTextRenderer::_DrawGlowGlyphRun seems off.
I did the exact modifications as the dev (Mike) at the build conference to enable glowing text, which required uncommenting the line to call the function (and commenting the default text render call). I'm sorry if this is out of the scope of this issue tracker since it is not the default code, but I thought it should be included as glowing text makes the blurred background many times more usable, and well it seems off on my system.
The first image is the dev's system from the video on top and mine right beneath it, the second image is when I modified the function to draw random colors, to demonstrate that some colors are off (they look bolded and blurred) and others seem correct. Ideally I'm certain all of the colors should look something like Mike's did. I realize Mike was running regular conhost, but even in my pure open terminal window, you can see for instance the WinStore.App looks much better than most the others.

terminal-text
terminal-text2

Originally created by @JamesG269 on GitHub (May 9, 2019). Originally assigned to: @miniksa on GitHub. Microsoft Windows [Version 10.0.18362.86] Issue: Text rendering for CustomTextRenderer::_DrawGlowGlyphRun seems off. I did the exact modifications as the dev (Mike) at the build conference to enable glowing text, which required uncommenting the line to call the function (and commenting the default text render call). I'm sorry if this is out of the scope of this issue tracker since it is not the default code, but I thought it should be included as glowing text makes the blurred background many times more usable, and well it seems off on my system. The first image is the dev's system from the video on top and mine right beneath it, the second image is when I modified the function to draw random colors, to demonstrate that some colors are off (they look bolded and blurred) and others seem correct. Ideally I'm certain all of the colors should look something like Mike's did. I realize Mike was running regular conhost, but even in my pure open terminal window, you can see for instance the WinStore.App looks much better than most the others. ![terminal-text](https://user-images.githubusercontent.com/2309574/57452609-e0aa6600-7229-11e9-80ab-0e525cc6d176.png) ![terminal-text2](https://user-images.githubusercontent.com/2309574/57452657-fc157100-7229-11e9-979d-23703fd6d99d.jpg)
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Reference: starred/terminal#885
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