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Add default background metadata for PNG and GIF images

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Lovell Fuller
2021-07-19 14:55:22 +01:00
parent 719c2db8da
commit 3f08f6a359
6 changed files with 22 additions and 1 deletions
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lib/input.js
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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
* - `background`: Default background colour, if present, for PNG (bKGD) and GIF images, either an RGB Object or a single greyscale value
* - `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