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Add support for libvips in addition to ImageMagick (#30090)

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Co-authored-by: Claire <claire.github-309c@sitedethib.com>
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Eugen Rochko 2024-06-05 21:15:39 +02:00 • committed by GitHub
parent 20e490ba7e
commit 5f15a892fa
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16 changed files with 392 additions and 23 deletions
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20
lib/paperclip/blurhash_transcoder.rb
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@ -5,12 +5,26 @@ module Paperclip
def make
return @file unless options[:style] == :small || options[:blurhash]
pixels = convert(':source -depth 8 RGB:-', source: File.expand_path(@file.path)).unpack('C*')
geometry = options.fetch(:file_geometry_parser).from_file(@file)
width, height, data = blurhash_params
# Guard against segfaults if data has unexpected size
raise RangeError("Invalid image data size (expected #{width * height * 3}, got #{data.size})") if data.size != width * height * 3 # TODO: should probably be another exception type
attachment.instance.blurhash = Blurhash.encode(geometry.width, geometry.height, pixels, **(options[:blurhash] || {}))
attachment.instance.blurhash = Blurhash.encode(width, height, data, **(options[:blurhash] || {}))
@file
end
private
def blurhash_params
if Rails.configuration.x.use_vips
image = Vips::Image.thumbnail(@file.path, 100)
[image.width, image.height, image.colourspace(:srgb).extract_band(0, n: 3).to_a.flatten]
else
pixels = convert(':source -depth 8 RGB:-', source: File.expand_path(@file.path)).unpack('C*')
geometry = options.fetch(:file_geometry_parser).from_file(@file)
[geometry.width, geometry.height, pixels]
end
end
end
end