darktable-org / darktable-org/darktable

5.4.1 - copy and pasted "crop" settings incorrectly crops to top left pixels

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Dominant language
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Description

See https://github.com/darktable-org/darktable/issues/20516#issuecomment-4093414542

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

I'm not sure why these files have issue reading, but just noticed it while going through my library.

link to files: https://drive.google.com/drive/folders/1o5uuQpY3xMI4i933i7VMVVKs6RB0yzBt?usp=sharing

Image Image Image

I made a copy of the file, and it then can be read, but Darktable can't edit them.

  • can't change exposure
  • can't change lens correction

it's almost like it's in some sort of "read-only" state.

Image
Steps to reproduce
  1. import DNG files
  2. open in Darktable
Expected behavior

load the DNG file

Logfile | Screenshot | Screencast

No response

Commit

No response

Where did you obtain darktable from?

darktable.org / GitHub release

darktable version

5.4.1

What OS are you using?

Mac

What is the version of your OS?

26.3 (25D125)

Describe your system
  • Macbook Air 15"
Are you using OpenCL GPU in darktable?

None

If yes, what is the GPU card and driver?

No response

Please provide additional context if applicable. You can attach files too, but might need to rename to .txt or .zip

No response

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

Start with the reproduction details and the linked issue comment, then download the provided DNG files and reproduce the behavior in darktable 5.4.1 on macOS. Check why imported files cannot be edited and why copied crop settings produce a top-left crop. Done means the affected DNGs load normally, editing controls work, and crop settings are applied to the intended image area.

Written by the indexing model from the issue text.

Assessment

Tech stack
c
Domain
computer-graphics, desktop
Issue type
Bug
Difficulty
4/5
Estimated time
3-5 days
Activity status
Quiet
Clarity
Needs clarification
Newbie friendliness
42/100

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