Regression: UI: the “j” in the Front of Text Input Field is Hidden when Using “Segoe UI” Font #115938

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Ruri-Res · 2023-12-08T12:50:03+01:00

Ruri-Res commented

2023-12-08 12:50:03 +01:00

System Information
Operating system: Windows 10
Graphics card:

Blender Version
Broken: version: 4.0.0 Alpha, branch: main, commit date: 2023-09-22 10:13, hash: 80943094745b
Worked: version: 4.0.0 Alpha, branch: main, commit date: 2023-09-19 21:26, hash: 264c3e7bd7a6

Short description of error

Exact steps for others to reproduce the error

Preferences→Interface→Text Rendering→Interface Font, set it to "Segoe UI Regular" (C:\Windows\Fonts\segoeui.ttf);
Click any Text Input Field, type "j" (lower case).

If turn off Text Anti-Aliasing, "j" would be shown.
Other fonts using the "Segoe UI" as their "English characters font" get the same problem.

**System Information** Operating system: Windows 10 Graphics card: **Blender Version** Broken: version: 4.0.0 Alpha, branch: main, commit date: 2023-09-22 10:13, hash: `80943094745b` Worked: version: 4.0.0 Alpha, branch: main, commit date: 2023-09-19 21:26, hash: `264c3e7bd7a6` **Short description of error** **Exact steps for others to reproduce the error** 1. Preferences→Interface→Text Rendering→Interface Font, set it to "Segoe UI Regular" (C:\Windows\Fonts\segoeui.ttf); 2. Click any Text Input Field, type "j" (lower case). If turn off Text Anti-Aliasing, "j" would be shown. Other fonts using the "Segoe UI" as their "English characters font" get the same problem.

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Ruri-Res added the

labels 2023-12-08 12:50:04 +01:00

Iliya Katushenock changed title from ~~UI: the “j” in the Front of Text Input Field is Hidden when Using “Segoe UI” Font~~ to Regression: UI: the “j” in the Front of Text Input Field is Hidden when Using “Segoe UI” Font

2023-12-08 13:31:35 +01:00

Iliya Katushenock added

and removed

labels 2023-12-08 13:31:47 +01:00

Iliya Katushenock added this to the 4.0 milestone 2023-12-08 13:31:51 +01:00

Harley Acheson self-assigned this 2023-12-08 22:12:40 +01:00

Harley Acheson commented

2023-12-09 00:36:24 +01:00

Ouch.

This font's "j" has a negative left-side bearing. The left vertical line in the following capture is the position of the pen after the previous letter, which is then advanced to the right vertical line.

This little "j" is designed to have its tail go under the letter before it. I would normally see this effect done with kerning. You can see this here:

Currently this makes it fail our clipping tests if this letter is first. Oh well, I think I can see how to fix this.

Ouch. This font's "j" has a negative left-side bearing. The left vertical line in the following capture is the position of the pen after the previous letter, which is then advanced to the right vertical line. ![image](/attachments/20846286-afe7-4155-b846-0b5b192c06c1) This little "j" is designed to have its tail go under the letter before it. I would normally see this effect done with kerning. You can see this here: ![image](/attachments/d76e3cdd-70aa-4ecd-a3a8-3826bff4b95d) Currently this makes it fail our clipping tests if this letter is first. Oh well, I think I can see how to fix this.

image.png

30 KiB

image.png

47 KiB

Harley Acheson referenced a pull request that will close this issue

2023-12-09 01:21:39 +01:00

Fix #115938: BLF Handle Negative Left-Side Bearings #115965

Harley Acheson referenced this issue from a commit

2023-12-09 01:52:56 +01:00

Fix #115938: BLF Handle Negative Left-Side Bearings

Harley Acheson closed this issue

2023-12-09 01:52:57 +01:00