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Expose levels metadata for multi-level images #2222

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Lovell Fuller
2020-06-04 20:29:02 +01:00
parent f8144dd89c
commit 760550ca0d
5 changed files with 26 additions and 0 deletions
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docs/api-input.md
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@@ -20,6 +20,7 @@ A `Promise` is returned when `callback` is not provided.
- `loop`: Number of times to loop an animated image, zero refers to a continuous loop.
- `delay`: Delay in ms between each page in an animated image, provided as an array of integers.
- `pagePrimary`: Number of the primary page in a HEIF image
- `levels`: Details of each level in a multi-level image provided as an array of objects, requires libvips compiled with support for OpenSlide
- `hasProfile`: Boolean indicating the presence of an embedded ICC profile
- `hasAlpha`: Boolean indicating the presence of an alpha transparency channel
- `orientation`: Number value of the EXIF Orientation header, if present

3
docs/changelog.md
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@@ -14,6 +14,9 @@ Requires libvips v8.9.1
[#2226](https://github.com/lovell/sharp/pull/2226)
[@romaleev](https://github.com/romaleev)
* Expose `levels` metadata for multi-level images.
[#2222](https://github.com/lovell/sharp/issues/2222)
### v0.25.3 - 17th May 2020
* Ensure libvips is initialised only once, improves worker thread safety.