Add compression property to HEIF image metadata #2504

This commit is contained in:
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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@@ -271,6 +271,7 @@ function _isStreamInput () {
* - `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