darktable-org / darktable-org/darktable

Something has happened to DT's font rendering

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Description

Is there an existing issue for this?
  • I checked and did not find my issue in the already reported ones
Describe the bug

Better described by a bunch of images, I guess.

Subpixel antialising doesn't work very well:
Image
Some labels are barely legible:
Image
And some fonts are a bit 90's:
Image

Maybe it's only a Windows thing, dunno. Some fonts tend to look better on Windows than on Linux (and vice versa).

The images are from 5.2.1 but I've tried the latest as well.

Steps to reproduce
  1. Run Daktable
  2. Observe
Expected behavior

The text is nice and smooth, and perhaps by today's standards.

Where did you obtain darktable from?

darktable.org / GitHub release

darktable version

5.2.1

What OS are you using?

Windows

What is the version of your OS?

Windows 10

Are you using OpenCL GPU in darktable?

Yes

Contributor guide

Open the contributing guide

First steps

  1. Read the whole issue, then the project's contributing guide.
  2. Comment on the issue to say you are picking it up — it saves two people doing the same work.
  3. Fork the repository and make your change on a branch.
  4. Open a pull request that references the issue number.

Research direction

The issue names no source file, test, or entry point. First reproduce the font-rendering problem on Windows 10 with darktable 5.2.1 and the latest release, using the provided screenshots as references. Done means the affected labels and fonts render smoothly and consistently in the relevant Windows configuration.

Written by the indexing model from the issue text.

Assessment

Tech stack
c
Domain
computer-graphics, desktop, operating-systems
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Stale
Clarity
Needs clarification
Newbie friendliness
25/100

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