processing / processing/processing4
loadImage ignores JPEG Orientation Metadata
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bug
core
help wanted
- Dominant language
- Java
- Stars
- 494
- Forks
- 183
- Avg merge
- 4h 39m
- Merged PRs (30d)
- 3
Description
When using loadImage to load a JPEG image with orientation metadata, Processing seems to ignore it and renders the image in the wrong orientation. In my specific case, the image is showing upside down.
I'm attaching a sample JPEG image with such attribute that is loaded upside down.
Contributor guide
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.
Research direction
Start by locating the loadImage entry point and the JPEG decoding path, then reproduce the issue with the attached sample JPEG. The work is done when JPEG orientation metadata is honored and the image renders upright rather than upside down.
Written by the indexing model from the issue text.
Assessment
- Tech stack
- java
- Domain
- computer-graphics
- Issue type
- Bug
- Difficulty
- 3/5
- Estimated time
- 1-2 days
- Activity status
- Stale
- Clarity
- Mostly clear
- Newbie friendliness
- 45/100