FinnNkandClaude Opus 5.5 def4646c0e fix(codecs): WebP export keeps the resolution (#8775) ...

* fix(codecs): WebP export keeps the resolution

Every WebP export with metadata warned that the resolution would be
dropped, and lost it unless the image already had EXIF with resolution
tags. WebP has no resolution field of its own, so both encoders now
write the resolution into EXIF, adding the tags (or a minimal EXIF
block when the image has none), and WebP reports DPI support.

Part of #2399

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

* fix(codecs): report WebP DPI as dropped when the source EXIF can't be parsed

That block is written as it is rather than replaced, so its metadata
survives and the lost resolution is reported. The metadata test also
checks the rest of the EXIF (Orientation) survives.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

* test(codecs): spell the WebP metadata test's bytes as escapes

The Orientation tag and the unparseable EXIF block were raw control
bytes, which also made git keep the file's CRLF line endings; both are
escapes now and the file is LF again.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

* fix(codecs): no EXIF block just for WebP's default 72 ppi

A WebP without EXIF already opens at 72 ppi, so writing a minimal EXIF
for the default only turned every web export into the extended (VP8X)
container (and broke the automation test expecting a simple lossy file).
EXIF the image already has still gets its resolution tags updated.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

* fix(codecs): WebP DPI kept by XMP isn't reported as dropped

When the image's EXIF can't be parsed but its XMP records the
resolution, the WebP keeps it through XMP, which readers check first.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>

---------

Co-authored-by: Claude Opus 5.5 <noreply@anthropic.com>

2026-10-23 17:41:02 -04:00

..

common

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camera_raw.rs

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dds_write.rs

Keep tests correct and docs current with one test binary per crate

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dds.rs

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decode_warnings.rs

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deep_exr.rs

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detect_caps.rs

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dpx.rs

Codecs: warn when DPX or Cineon saves drop bits (#8793)

2026-10-23 17:38:29 -04:00

exr_cryptomatte.rs

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exr_multipart.rs

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fidelity.rs

fix(codecs): WebP export keeps the resolution (#8775)

2026-10-23 17:41:02 -04:00

gif_frames.rs

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heif.rs

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limits.rs

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main.rs

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malformed.rs

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metadata.rs

fix(codecs): WebP export keeps the resolution (#8775)

2026-10-23 17:41:02 -04:00

orientation.rs

Keep tests correct and docs current with one test binary per crate

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pcx.rs

fix(codecs): use exact minimum encoded row length for PCX preflight

2026-10-22 19:35:37 -04:00

png_jpeg.rs

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pnm_headers.rs

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resolution.rs

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roundtrip.rs

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source_settings.rs

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tga.rs

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tiff_bench.rs

Keep tests correct and docs current with one test binary per crate

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tiff_exif.rs

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tiff_lab.rs

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tiff_pages.rs

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tiff_photoshop.rs

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tiff_regressions.rs

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webp_frames.rs

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webp_lossy.rs

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xpm.rs

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