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Adds support for displaying ruby-vips images #279

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Merged
merged 1 commit into from
Sep 21, 2020
Merged

Adds support for displaying ruby-vips images #279

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14 changes: 14 additions & 0 deletions lib/iruby/display.rb
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Original file line number Diff line number Diff line change
Expand Up @@ -264,6 +264,20 @@ def format(mime = nil, &block)
[format == 'PNG' ? 'image/png' : 'image/jpeg', obj.to_blob { |i| i.format = format }]
end

match do |obj|
defined?(Vips::Image) && Vips::Image === obj
end
format do |obj|
# handles Vips::Error, vips_image_get: field "vips-loader" not found
loader = obj.get('vips-loader') rescue nil
if loader == 'jpegload'
['image/jpeg', obj.write_to_buffer('.jpg')]
else
# falls back to png for other/unknown types
['image/png', obj.write_to_buffer('.png')]
end
end

type { Gruff::Base }
format 'image/png', &:to_blob

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