Comments (2)
SalOne22
commented on May 24, 2024
1
Okay, it would be better if this library provided the ability to write an ICC profile. If I do everything right, I will create a new PR here.
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kornelski
commented on May 24, 2024
In JPEG ICC profiles are written as a series of app2 markers with some quirky syntax (https://gitlab.com/kornelski/load_image/-/blob/master/src/mozjpeg.rs?ref_type=heads#L19)
You should be able to do it via write_marker.
It would be nice to have a proper API for this in the high level wrapper, so PRs welcome.
If you don't really need a special color profile for wide gamut color, then it's best to convert pixels to sRGB and either not write any profile at all, or write a tiny sRGB one. This is because most JPEG decoders use 8-bit libjpeg API (despite JPEG supporting 12-bit-ish depth) and larger-than-sRGB profiles end up using fewer bits.
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Related Issues (15)
- DecompressScanlines::read_scanlines is unsound HOT 2
- wasm-pack build error HOT 9
- Add some encoding examples HOT 3
- How to achieve same quality as libjpeg? HOT 6
- Add mozjpeg-rust as encoder to image crate HOT 1
- Decoding isn't reporting decode errors back to application HOT 7
- Encoding fails on macOS arm64 (bus error) HOT 5
- Ability to change subsampling mode HOT 1
- Equivalent of jpegtran -optimize HOT 2
- Please release a new version on Crates.io HOT 2
- Add ability to enable full JPEG baseline compatibility HOT 2
- mozjpeg can unwind through `extern "C" fn` boundary, which is UB HOT 2
- could not build staticlib HOT 6
- How to get error message? HOT 1
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