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Add experimental support for HEIF images #1105

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Requires a custom, globally-installed libvips compiled with libheif
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Lovell Fuller
2019-07-04 13:20:24 +01:00
parent 3ff3353550
commit b737d4601e
14 changed files with 228 additions and 4 deletions
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lib/input.js
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@@ -195,8 +195,9 @@ function clone () {
* - `density`: Number of pixels per inch (DPI), if present
* - `chromaSubsampling`: String containing JPEG chroma subsampling, `4:2:0` or `4:4:4` for RGB, `4:2:0:4` or `4:4:4:4` for CMYK
* - `isProgressive`: Boolean indicating whether the image is interlaced using a progressive scan
* - `pages`: Number of pages/frames contained within the image, with support for TIFF, PDF, animated GIF and animated WebP
* - `pages`: Number of pages/frames contained within the image, with support for TIFF, HEIF, PDF, animated GIF and animated WebP
* - `pageHeight`: Number of pixels high each page in this PDF image will be.
* - `pagePrimary`: Number of the primary page in a HEIF image
* - `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