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Add compression property to HEIF image metadata #2504

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Lovell Fuller
2021-06-13 21:51:36 +01:00
parent 75cddbdb6d
commit d000f57773
4 changed files with 24 additions and 0 deletions
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docs/api-input.md
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@@ -22,6 +22,7 @@ A `Promise` is returned when `callback` is not provided.
* `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
* `subifds`: Number of Sub Image File Directories in an OME-TIFF image
* `compression`: The encoder used to compress an HEIF file, `av1` (AVIF) or `hevc` (HEIC)
* `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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@@ -8,6 +8,9 @@ Requires libvips v8.11.0
* Drop support for Node.js 10, now requires Node.js >= 12.13.0.
* Add `compression` property to HEIF image metadata.
[#2504](https://github.com/lovell/sharp/issues/2504)
* AVIF encoding now defaults to `4:4:4` chroma subsampling.
[#2562](https://github.com/lovell/sharp/issues/2562)