Does cropping re-compress JPEGs? (Documentation issue)
Nobody has claimed this yet.
Assessment
- Difficulty
- 2/5
- Estimated time
- 1-3 hours
- Newbie friendliness
- 45/100
- Issue type
- Documentation
- Clarity
- Mostly clear
- Activity status
- Stale
- Domain
- documentation
Research direction
Start with the Crop section in README.md and investigate whether Pix's stated JPEG lossless transformations include cropping, using the issue's jpegtran reference as context. Done means the documentation clearly explains whether JPEG cropping recompresses the image and any relevant limitations.
Written by the indexing model from the issue text.
Description
Does Pix do lossless JPEG cropping? It says that it supports "JPEG lossless transformations", but I'm not quite sure if that's the same thing. Perhaps something could be added to the docs in the Crop section?
Crop
This allows you to crop the image. Click and drag the mouse over the desired area of the image. The area may be locked to a specific aspect ratio, or it may be freely adjusted. A rule-of-thirds grid or golden-sections grid may be superimposed over the image for composition guidance.
jpegtran can crop to the nearest 8px or 16px block, and not re-encode the rest (not that I particularly understand the details, so forgive me if I'm off the mark here!).
(And thank you so much for the brilliant software, by the way, I love it.)
- Dominant language
- C
- Stars
- 270
- Forks
- 47
- PR merge metrics
- No merged PRs in 30d
Contributor guide
No contributing guide indexed for this repository
First steps
- Read the whole issue, then the project's contributing guide.
- Comment on the issue to say you are picking it up — it saves two people doing the same work.
- Fork the repository and make your change on a branch.
- Open a pull request that references the issue number.
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