saberoueslati 9552acc2bc gpui: Apply EXIF orientation when decoding static images (#61017)
## Context

Static images decoded by GPUI ignored their EXIF `Orientation` tag, so
JPEGs that rely on it (photos from phones and cameras) rendered rotated
or flipped in image preview, Markdown preview, and other `ImageSource`
consumers. The `image` crate only exposes orientation through
`ImageDecoder::orientation()`, which must be read before the decoder is
consumed; `DynamicImage::from_decoder` does not apply it. The old path
went straight through `image::load_from_memory_with_format`, so the
metadata was never read.

Closes #60844.

Video of manual test below :

[Screencast from 2026-07-15
02-14-41.webm](https://github.com/user-attachments/assets/002b0324-44f8-4ddb-acbd-8c3e070d5248)


## How to Review

**Cargo.toml**
Raises the workspace `image` dependency minimum from `0.25.1` to
`0.25.4`, the first release exposing `orientation()` and
`apply_orientation()`. The lockfile already resolves to `0.25.10`, so no
lock change is required.

**crates/gpui/src/platform.rs**
Adds two crate-private helpers. `decode_static_image_from_decoder` reads
`orientation()`, decodes to a `DynamicImage`, applies the orientation,
then converts RGBA to GPUI's BGRA. `decode_static_image` builds a format
decoder from bytes and delegates to it. `Image::to_image_data` now
routes its static formats through these helpers instead of
`image::load_from_memory_with_format`. Adds
`test_image_to_image_data_applies_exif_orientation`, which decodes a
16x32 fixture stored upside down with EXIF Orientation 3 and asserts the
corner pixels were flipped upright; the test fails if orientation is
dropped.

**crates/gpui/src/elements/img.rs**
Routes `ImageAssetLoader` (Markdown paths, URLs, embedded resources)
through the same helpers, including the static WebP branch. GIF and
animated-WebP frame handling are left unchanged, since animated
orientation is out of scope.

## Self-Review Checklist

- [x] I've reviewed my own diff for quality, security, and reliability
- [ ] Unsafe blocks (if any) have justifying comments
- [x] The content is consistent with the UI/UX checklist
- [x] Tests cover the new/changed behavior
- [x] Performance impact has been considered and is acceptable

Release Notes:

- Fixed static images ignoring their EXIF orientation, which caused some
JPEGs to render rotated or flipped in image and Markdown preview.
2026-07-17 08:29:17 +00:00
2026-01-22 23:57:26 +05:30
WIP
2023-12-14 09:25:14 -07:00
2026-04-29 10:27:47 +00:00
2025-02-04 09:02:59 -05:00
2025-10-27 13:27:59 -04:00
2026-06-27 15:06:29 +00:00
2025-10-17 18:58:14 +00:00
2026-03-17 16:34:35 +00:00
2026-04-29 10:27:47 +00:00

Zed

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